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authorGravatar Eric Andersen <andersen@codepoet.org>2001-03-16 22:47:14 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2001-03-16 22:47:14 +0000
commitaad1a88c76f208d188fd061e3723bd637437e8d5 (patch)
tree75ac2b994f7f04af776e93eeedba82b873ff557e
parentdfba13d199bb58d802df99c1ef20fdc0d628e86d (diff)
downloadbusybox-aad1a88c76f208d188fd061e3723bd637437e8d5.tar.gz
busybox-aad1a88c76f208d188fd061e3723bd637437e8d5.tar.bz2
Convert utility.c into libbb.a. It is now a whole pile of .c
files. Clean up the resulting damage and fix up the makefile. -Erik
-rw-r--r--Makefile36
-rw-r--r--applets.c92
-rw-r--r--applets/applets.c92
-rw-r--r--busybox.h193
-rw-r--r--include/busybox.h193
-rw-r--r--include/libbb.h209
-rw-r--r--libbb/ask_confirmation.c53
-rw-r--r--libbb/check_wildcard_match.c140
-rw-r--r--libbb/chomp.c51
-rw-r--r--libbb/copy_file.c180
-rw-r--r--libbb/copy_file_chunk.c60
-rw-r--r--libbb/create_path.c71
-rw-r--r--libbb/device_open.c59
-rw-r--r--libbb/error_msg.c100
-rw-r--r--libbb/find_mount_point.c80
-rw-r--r--libbb/find_pid_by_name.c168
-rw-r--r--libbb/find_root_device.c85
-rw-r--r--libbb/full_read.c70
-rw-r--r--libbb/full_write.c66
-rw-r--r--libbb/get_console.c129
-rw-r--r--libbb/get_last_path_component.c58
-rw-r--r--libbb/get_line_from_file.c72
-rw-r--r--libbb/human_readable.c62
-rw-r--r--libbb/inode_hash.c105
-rw-r--r--libbb/isdirectory.c71
-rw-r--r--libbb/kernel_version.c66
-rw-r--r--libbb/libbb.h209
-rw-r--r--libbb/loop.c128
-rw-r--r--libbb/mode_string.c82
-rw-r--r--libbb/parse_mode.c138
-rw-r--r--libbb/parse_number.c74
-rw-r--r--libbb/print_file.c59
-rw-r--r--libbb/process_escape_sequence.c83
-rw-r--r--libbb/pwd_grp_wrappers.c109
-rw-r--r--libbb/recursive_action.c160
-rw-r--r--libbb/safe_read.c54
-rw-r--r--libbb/safe_strncpy.c48
-rw-r--r--libbb/syscalls.c76
-rw-r--r--libbb/syslog_msg_with_name.c53
-rw-r--r--libbb/time_string.c68
-rw-r--r--libbb/trim.c52
-rw-r--r--libbb/vdprintf.c52
-rw-r--r--libbb/wfopen.c50
-rw-r--r--libbb/xfuncs.c107
-rw-r--r--libbb/xregcomp.c53
-rw-r--r--mtab_file.c52
-rw-r--r--utility.c1887
47 files changed, 3901 insertions, 2254 deletions
diff --git a/Makefile b/Makefile
index 8af079062..5f5c80e6d 100644
--- a/Makefile
+++ b/Makefile
@@ -200,7 +200,7 @@ endif
# And option 4:
-include applet_source_list
-OBJECTS = $(APPLET_SOURCES:.c=.o) busybox.o messages.o usage.o utility.o
+OBJECTS = $(APPLET_SOURCES:.c=.o) busybox.o messages.o usage.o applets.o mtab_file.o
CFLAGS += $(CROSS_CFLAGS)
CFLAGS += -DBB_VER='"$(VERSION)"'
CFLAGS += -DBB_BT='"$(BUILDTIME)"'
@@ -220,6 +220,21 @@ ifneq ($(strip $(USE_SYSTEM_PWD_GRP)),true)
else
CFLAGS += -DUSE_SYSTEM_PWD_GRP
endif
+
+LIBBB = libbb
+LIBBB_DIR = $(BB_SRC_DIR:=/)$(LIBBB)
+LIBBB_LIB = libbb.a
+LIBBB_CSRC= ask_confirmation.c check_wildcard_match.c chomp.c copy_file.c \
+copy_file_chunk.c create_path.c device_open.c error_msg.c \
+find_mount_point.c find_pid_by_name.c find_root_device.c full_read.c \
+full_write.c get_console.c get_last_path_component.c get_line_from_file.c \
+human_readable.c inode_hash.c isdirectory.c kernel_version.c loop.c \
+mode_string.c parse_mode.c parse_number.c print_file.c process_escape_sequence.c \
+pwd_grp_wrappers.c recursive_action.c safe_read.c safe_strncpy.c syscalls.c \
+syslog_msg_with_name.c time_string.c trim.c vdprintf.c wfopen.c xfuncs.c \
+xregcomp.c
+LIBBB_OBJS=$(patsubst %.c,$(LIBBB)/%.o, $(LIBBB_CSRC))
+LIBBB_CFLAGS = -I$(LIBBB_DIR)
# Put user-supplied flags at the end, where they
# have a chance of winning.
@@ -288,8 +303,8 @@ docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
-busybox: $(PWD_LIB) $(OBJECTS)
- $(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBRARIES) $(PWD_LIB)
+busybox: $(PWD_LIB) $(LIBBB_LIB) $(OBJECTS)
+ $(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBRARIES) $(PWD_LIB) $(LIBBB_LIB)
$(STRIP)
# Without VPATH, rule expands to "/bin/sh busybox.mkll Config.h applets.h"
@@ -307,14 +322,21 @@ $(PWD_OBJS): %.o: %.c Config.h busybox.h applets.h Makefile
- mkdir -p $(PWD_GRP)
$(CC) $(CFLAGS) $(PWD_CFLAGS) -c $< -o $*.o
+$(LIBBB_OBJS): %.o: %.c Config.h busybox.h applets.h Makefile
+ - mkdir -p $(LIBBB)
+ $(CC) $(CFLAGS) $(LIBBB_CFLAGS) -c $< -o $*.o
+
libpwd.a: $(PWD_OBJS)
$(AR) $(ARFLAGS) $@ $^
+libbb.a: $(LIBBB_OBJS)
+ $(AR) $(ARFLAGS) $@ $^
+
usage.o: usage.h
-utility.o: loop.h
+libbb/loop.o: libbb/loop.h
-loop.h: mk_loop_h.sh
+libbb/loop.h: mk_loop_h.sh
@ $(SHELL) $< > $@
test tests:
@@ -330,8 +352,8 @@ clean:
- rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
docs/busybox.pdf docs/busybox.lineo.com/busybox.html
- rm -f multibuild.log Config.h.orig
- - rm -rf docs/busybox _install libpwd.a
- - rm -f busybox.links loop.h *~ slist.mk core applet_source_list
+ - rm -rf docs/busybox _install libpwd.a libbb.a
+ - rm -f busybox.links libbb/loop.h *~ slist.mk core applet_source_list
- find -name \*.o -exec rm -f {} \;
distclean: clean
diff --git a/applets.c b/applets.c
new file mode 100644
index 000000000..1e31e8925
--- /dev/null
+++ b/applets.c
@@ -0,0 +1,92 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+#define bb_need_full_version
+#define BB_DECLARE_EXTERN
+#include "messages.c"
+
+struct BB_applet *applet_using;
+
+extern void show_usage(void)
+{
+ const char *format_string;
+ const char *usage_string = usage_messages;
+ int i;
+
+ for (i = applet_using - applets; i > 0; ) {
+ if (!*usage_string++) {
+ --i;
+ }
+ }
+ format_string = "%s\n\nUsage: %s %s\n\n";
+ if(*usage_string == 0)
+ format_string = "%s\n\nNo help available.\n\n";
+ fprintf(stderr, format_string,
+ full_version, applet_using->name, usage_string);
+ exit(EXIT_FAILURE);
+}
+
+static int applet_name_compare(const void *x, const void *y)
+{
+ const char *name = x;
+ const struct BB_applet *applet = y;
+
+ return strcmp(name, applet->name);
+}
+
+extern size_t NUM_APPLETS;
+
+struct BB_applet *find_applet_by_name(const char *name)
+{
+ return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
+ applet_name_compare);
+}
+
+void run_applet_by_name(const char *name, int argc, char **argv)
+{
+ /* Do a binary search to find the applet entry given the name. */
+ if ((applet_using = find_applet_by_name(name)) != NULL) {
+ applet_name = applet_using->name;
+ if (argv[1] && strcmp(argv[1], "--help") == 0)
+ show_usage();
+ exit((*(applet_using->main)) (argc, argv));
+ }
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/applets/applets.c b/applets/applets.c
new file mode 100644
index 000000000..1e31e8925
--- /dev/null
+++ b/applets/applets.c
@@ -0,0 +1,92 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+#define bb_need_full_version
+#define BB_DECLARE_EXTERN
+#include "messages.c"
+
+struct BB_applet *applet_using;
+
+extern void show_usage(void)
+{
+ const char *format_string;
+ const char *usage_string = usage_messages;
+ int i;
+
+ for (i = applet_using - applets; i > 0; ) {
+ if (!*usage_string++) {
+ --i;
+ }
+ }
+ format_string = "%s\n\nUsage: %s %s\n\n";
+ if(*usage_string == 0)
+ format_string = "%s\n\nNo help available.\n\n";
+ fprintf(stderr, format_string,
+ full_version, applet_using->name, usage_string);
+ exit(EXIT_FAILURE);
+}
+
+static int applet_name_compare(const void *x, const void *y)
+{
+ const char *name = x;
+ const struct BB_applet *applet = y;
+
+ return strcmp(name, applet->name);
+}
+
+extern size_t NUM_APPLETS;
+
+struct BB_applet *find_applet_by_name(const char *name)
+{
+ return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
+ applet_name_compare);
+}
+
+void run_applet_by_name(const char *name, int argc, char **argv)
+{
+ /* Do a binary search to find the applet entry given the name. */
+ if ((applet_using = find_applet_by_name(name)) != NULL) {
+ applet_name = applet_using->name;
+ if (argv[1] && strcmp(argv[1], "--help") == 0)
+ show_usage();
+ exit((*(applet_using->main)) (argc, argv));
+ }
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/busybox.h b/busybox.h
index 194fd8220..9414234c7 100644
--- a/busybox.h
+++ b/busybox.h
@@ -44,31 +44,6 @@ typedef unsigned int socklen_t;
#endif
-/* Some useful definitions */
-#define FALSE ((int) 0)
-#define TRUE ((int) 1)
-#define SKIP ((int) 2)
-
-/* for mtab.c */
-#define MTAB_GETMOUNTPT '1'
-#define MTAB_GETDEVICE '2'
-
-#define BUF_SIZE 8192
-#define EXPAND_ALLOC 1024
-
-static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
-static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
-
-/* Macros for min/max. */
-#ifndef MIN
-#define MIN(a,b) (((a)<(b))?(a):(b))
-#endif
-
-#ifndef MAX
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#endif
-
-
enum Location {
_BB_DIR_ROOT = 0,
_BB_DIR_BIN,
@@ -97,146 +72,14 @@ extern const struct BB_applet applets[];
extern const char *applet_name;
-extern void show_usage(void) __attribute__ ((noreturn));
-extern void error_msg(const char *s, ...);
-extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
-extern void perror_msg(const char *s, ...);
-extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
-
-const char *mode_string(int mode);
-const char *time_string(time_t timeVal);
-int is_directory(const char *name, const int followLinks, struct stat *statBuf);
-int isDevice(const char *name);
-
-typedef struct ino_dev_hash_bucket_struct {
- struct ino_dev_hash_bucket_struct *next;
- ino_t ino;
- dev_t dev;
- char name[1];
-} ino_dev_hashtable_bucket_t;
-int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
-void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
-void reset_ino_dev_hashtable(void);
-
-int copy_file(const char *srcName, const char *destName,
- int setModes, int followLinks, int forceFlag);
-int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
-char *buildName(const char *dirName, const char *fileName);
-int makeString(int argc, const char **argv, char *buf, int bufLen);
-char *getChunk(int size);
-char *chunkstrdup(const char *str);
-void freeChunks(void);
-ssize_t safe_read(int fd, void *buf, size_t count);
-int full_write(int fd, const char *buf, int len);
-int full_read(int fd, char *buf, int len);
-int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
- int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
- int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
- void* userData);
-
-extern int create_path (const char *name, int mode);
-extern int parse_mode( const char* s, mode_t* theMode);
-
-extern int get_kernel_revision(void);
-
-extern int get_console_fd(char* tty_name);
-extern struct mntent *find_mount_point(const char *name, const char *table);
-extern void write_mtab(char* blockDevice, char* directory,
- char* filesystemType, long flags, char* string_flags);
-extern void erase_mtab(const char * name);
-extern void mtab_read(void);
-extern char *mtab_first(void **iter);
-extern char *mtab_next(void **iter);
-extern char *mtab_getinfo(const char *match, const char which);
-extern int check_wildcard_match(const char* text, const char* pattern);
-extern long atoi_w_units (const char *cp);
-extern pid_t* find_pid_by_name( char* pidName);
-extern int find_real_root_device_name(char* name);
-extern char *get_line_from_file(FILE *file);
-extern void print_file(FILE *file);
-extern int print_file_by_name(char *filename);
-extern char process_escape_sequence(char **ptr);
-extern char *get_last_path_component(char *path);
-extern FILE *wfopen(const char *path, const char *mode);
-extern FILE *xfopen(const char *path, const char *mode);
-extern void chomp(char *s);
-extern void trim(char *s);
-extern struct BB_applet *find_applet_by_name(const char *name);
-void run_applet_by_name(const char *name, int argc, char **argv);
-
-#ifndef DMALLOC
-extern void *xmalloc (size_t size);
-extern void *xrealloc(void *old, size_t size);
-extern void *xcalloc(size_t nmemb, size_t size);
-extern char *xstrdup (const char *s);
-#endif
-extern char *xstrndup (const char *s, int n);
-extern char * safe_strncpy(char *dst, const char *src, size_t size);
-
-struct suffix_mult {
- char *suffix;
- int mult;
-};
-
-extern unsigned long parse_number(const char *numstr,
- const struct suffix_mult *suffixes);
-
-
-/* These parse entries in /etc/passwd and /etc/group. This is desirable
- * for BusyBox since we want to avoid using the glibc NSS stuff, which
- * increases target size and is often not needed embedded systems. */
-extern long my_getpwnam(const char *name);
-extern long my_getgrnam(const char *name);
-extern void my_getpwuid(char *name, long uid);
-extern void my_getgrgid(char *group, long gid);
-extern long my_getpwnamegid(const char *name);
-
-extern int device_open(char *device, int mode);
-
-#if defined BB_FEATURE_MOUNT_LOOP
-extern int del_loop(const char *device);
-extern int set_loop(const char *device, const char *file, int offset, int *loopro);
-extern char *find_unused_loop_device (void);
-#endif
-
-
-#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
-extern int vdprintf(int d, const char *format, va_list ap);
-#endif
-
-#if defined BB_NFSMOUNT
-int nfsmount(const char *spec, const char *node, int *flags,
- char **extra_opts, char **mount_opts, int running_bg);
-#endif
-
-#ifndef RB_POWER_OFF
-/* Stop system and switch power off if possible. */
-#define RB_POWER_OFF 0x4321fedc
-#endif
-
-#if defined(BB_KLOGD) || defined(BB_LOGGER)
-void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
-void syslog_msg(int facility, int pri, const char *msg);
+#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
+#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
+#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
+#else
+#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
+#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
#endif
-/* Include our own copy of struct sysinfo to avoid binary compatability
- * problems with Linux 2.4, which changed things. Grumble, grumble. */
-struct sysinfo {
- long uptime; /* Seconds since boot */
- unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
- unsigned long totalram; /* Total usable main memory size */
- unsigned long freeram; /* Available memory size */
- unsigned long sharedram; /* Amount of shared memory */
- unsigned long bufferram; /* Memory used by buffers */
- unsigned long totalswap; /* Total swap space size */
- unsigned long freeswap; /* swap space still available */
- unsigned short procs; /* Number of current processes */
- unsigned long totalhigh; /* Total high memory size */
- unsigned long freehigh; /* Available high memory size */
- unsigned int mem_unit; /* Memory unit size in bytes */
- char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
-};
-extern int sysinfo (struct sysinfo* info);
/* Bit map related macros -- libc5 doens't provide these... sigh. */
#ifndef setbit
@@ -247,25 +90,15 @@ extern int sysinfo (struct sysinfo* info);
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#endif
-#ifdef BB_FEATURE_HUMAN_READABLE
-const char *make_human_readable_str(unsigned long val, unsigned long hr);
+#ifndef RB_POWER_OFF
+/* Stop system and switch power off if possible. */
+#define RB_POWER_OFF 0x4321fedc
#endif
-enum {
- KILOBYTE = 1024,
- MEGABYTE = (KILOBYTE*1024),
- GIGABYTE = (MEGABYTE*1024)
-};
-#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
-#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
-#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
-#else
-#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
-#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
-#endif
-#if defined(BB_FEATURE_RM_INTERACTIVE) && defined(BB_RM)
-int ask_confirmation(void);
-#endif
+/* Pull in the utility routines from libbb */
+#include "libbb/libbb.h"
+
+
#endif /* _BB_INTERNAL_H_ */
diff --git a/include/busybox.h b/include/busybox.h
index 194fd8220..9414234c7 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -44,31 +44,6 @@ typedef unsigned int socklen_t;
#endif
-/* Some useful definitions */
-#define FALSE ((int) 0)
-#define TRUE ((int) 1)
-#define SKIP ((int) 2)
-
-/* for mtab.c */
-#define MTAB_GETMOUNTPT '1'
-#define MTAB_GETDEVICE '2'
-
-#define BUF_SIZE 8192
-#define EXPAND_ALLOC 1024
-
-static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
-static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
-
-/* Macros for min/max. */
-#ifndef MIN
-#define MIN(a,b) (((a)<(b))?(a):(b))
-#endif
-
-#ifndef MAX
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#endif
-
-
enum Location {
_BB_DIR_ROOT = 0,
_BB_DIR_BIN,
@@ -97,146 +72,14 @@ extern const struct BB_applet applets[];
extern const char *applet_name;
-extern void show_usage(void) __attribute__ ((noreturn));
-extern void error_msg(const char *s, ...);
-extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
-extern void perror_msg(const char *s, ...);
-extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
-
-const char *mode_string(int mode);
-const char *time_string(time_t timeVal);
-int is_directory(const char *name, const int followLinks, struct stat *statBuf);
-int isDevice(const char *name);
-
-typedef struct ino_dev_hash_bucket_struct {
- struct ino_dev_hash_bucket_struct *next;
- ino_t ino;
- dev_t dev;
- char name[1];
-} ino_dev_hashtable_bucket_t;
-int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
-void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
-void reset_ino_dev_hashtable(void);
-
-int copy_file(const char *srcName, const char *destName,
- int setModes, int followLinks, int forceFlag);
-int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
-char *buildName(const char *dirName, const char *fileName);
-int makeString(int argc, const char **argv, char *buf, int bufLen);
-char *getChunk(int size);
-char *chunkstrdup(const char *str);
-void freeChunks(void);
-ssize_t safe_read(int fd, void *buf, size_t count);
-int full_write(int fd, const char *buf, int len);
-int full_read(int fd, char *buf, int len);
-int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
- int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
- int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
- void* userData);
-
-extern int create_path (const char *name, int mode);
-extern int parse_mode( const char* s, mode_t* theMode);
-
-extern int get_kernel_revision(void);
-
-extern int get_console_fd(char* tty_name);
-extern struct mntent *find_mount_point(const char *name, const char *table);
-extern void write_mtab(char* blockDevice, char* directory,
- char* filesystemType, long flags, char* string_flags);
-extern void erase_mtab(const char * name);
-extern void mtab_read(void);
-extern char *mtab_first(void **iter);
-extern char *mtab_next(void **iter);
-extern char *mtab_getinfo(const char *match, const char which);
-extern int check_wildcard_match(const char* text, const char* pattern);
-extern long atoi_w_units (const char *cp);
-extern pid_t* find_pid_by_name( char* pidName);
-extern int find_real_root_device_name(char* name);
-extern char *get_line_from_file(FILE *file);
-extern void print_file(FILE *file);
-extern int print_file_by_name(char *filename);
-extern char process_escape_sequence(char **ptr);
-extern char *get_last_path_component(char *path);
-extern FILE *wfopen(const char *path, const char *mode);
-extern FILE *xfopen(const char *path, const char *mode);
-extern void chomp(char *s);
-extern void trim(char *s);
-extern struct BB_applet *find_applet_by_name(const char *name);
-void run_applet_by_name(const char *name, int argc, char **argv);
-
-#ifndef DMALLOC
-extern void *xmalloc (size_t size);
-extern void *xrealloc(void *old, size_t size);
-extern void *xcalloc(size_t nmemb, size_t size);
-extern char *xstrdup (const char *s);
-#endif
-extern char *xstrndup (const char *s, int n);
-extern char * safe_strncpy(char *dst, const char *src, size_t size);
-
-struct suffix_mult {
- char *suffix;
- int mult;
-};
-
-extern unsigned long parse_number(const char *numstr,
- const struct suffix_mult *suffixes);
-
-
-/* These parse entries in /etc/passwd and /etc/group. This is desirable
- * for BusyBox since we want to avoid using the glibc NSS stuff, which
- * increases target size and is often not needed embedded systems. */
-extern long my_getpwnam(const char *name);
-extern long my_getgrnam(const char *name);
-extern void my_getpwuid(char *name, long uid);
-extern void my_getgrgid(char *group, long gid);
-extern long my_getpwnamegid(const char *name);
-
-extern int device_open(char *device, int mode);
-
-#if defined BB_FEATURE_MOUNT_LOOP
-extern int del_loop(const char *device);
-extern int set_loop(const char *device, const char *file, int offset, int *loopro);
-extern char *find_unused_loop_device (void);
-#endif
-
-
-#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
-extern int vdprintf(int d, const char *format, va_list ap);
-#endif
-
-#if defined BB_NFSMOUNT
-int nfsmount(const char *spec, const char *node, int *flags,
- char **extra_opts, char **mount_opts, int running_bg);
-#endif
-
-#ifndef RB_POWER_OFF
-/* Stop system and switch power off if possible. */
-#define RB_POWER_OFF 0x4321fedc
-#endif
-
-#if defined(BB_KLOGD) || defined(BB_LOGGER)
-void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
-void syslog_msg(int facility, int pri, const char *msg);
+#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
+#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
+#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
+#else
+#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
+#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
#endif
-/* Include our own copy of struct sysinfo to avoid binary compatability
- * problems with Linux 2.4, which changed things. Grumble, grumble. */
-struct sysinfo {
- long uptime; /* Seconds since boot */
- unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
- unsigned long totalram; /* Total usable main memory size */
- unsigned long freeram; /* Available memory size */
- unsigned long sharedram; /* Amount of shared memory */
- unsigned long bufferram; /* Memory used by buffers */
- unsigned long totalswap; /* Total swap space size */
- unsigned long freeswap; /* swap space still available */
- unsigned short procs; /* Number of current processes */
- unsigned long totalhigh; /* Total high memory size */
- unsigned long freehigh; /* Available high memory size */
- unsigned int mem_unit; /* Memory unit size in bytes */
- char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
-};
-extern int sysinfo (struct sysinfo* info);
/* Bit map related macros -- libc5 doens't provide these... sigh. */
#ifndef setbit
@@ -247,25 +90,15 @@ extern int sysinfo (struct sysinfo* info);
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#endif
-#ifdef BB_FEATURE_HUMAN_READABLE
-const char *make_human_readable_str(unsigned long val, unsigned long hr);
+#ifndef RB_POWER_OFF
+/* Stop system and switch power off if possible. */
+#define RB_POWER_OFF 0x4321fedc
#endif
-enum {
- KILOBYTE = 1024,
- MEGABYTE = (KILOBYTE*1024),
- GIGABYTE = (MEGABYTE*1024)
-};
-#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
-#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
-#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
-#else
-#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
-#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
-#endif
-#if defined(BB_FEATURE_RM_INTERACTIVE) && defined(BB_RM)
-int ask_confirmation(void);
-#endif
+/* Pull in the utility routines from libbb */
+#include "libbb/libbb.h"
+
+
#endif /* _BB_INTERNAL_H_ */
diff --git a/include/libbb.h b/include/libbb.h
new file mode 100644
index 000000000..a85987d9e
--- /dev/null
+++ b/include/libbb.h
@@ -0,0 +1,209 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Busybox main internal header file
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+#ifndef __LIBBB_H__
+#define __LIBBB_H__ 1
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#ifdef DMALLOC
+#include "dmalloc.h"
+#endif
+
+#include <features.h>
+/* Stupid libc doesn't have a reliable way for use to know
+ * that libc5 is being used. Assume this is good enough */
+#if ! defined __GLIBC__ && ! defined __UCLIBC__
+/* libc5 doesn't define socklen_t */
+typedef unsigned int socklen_t;
+#endif
+
+/* Some useful definitions */
+#define FALSE ((int) 0)
+#define TRUE ((int) 1)
+#define SKIP ((int) 2)
+
+/* for mtab.c */
+#define MTAB_GETMOUNTPT '1'
+#define MTAB_GETDEVICE '2'
+
+#define BUF_SIZE 8192
+#define EXPAND_ALLOC 1024
+
+static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
+static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
+
+/* Macros for min/max. */
+#ifndef MIN
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#ifndef MAX
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+
+
+extern void show_usage(void) __attribute__ ((noreturn));
+extern void error_msg(const char *s, ...);
+extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+extern void perror_msg(const char *s, ...);
+extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+
+const char *mode_string(int mode);
+const char *time_string(time_t timeVal);
+int is_directory(const char *name, const int followLinks, struct stat *statBuf);
+int isDevice(const char *name);
+
+typedef struct ino_dev_hash_bucket_struct {
+ struct ino_dev_hash_bucket_struct *next;
+ ino_t ino;
+ dev_t dev;
+ char name[1];
+} ino_dev_hashtable_bucket_t;
+int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
+void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
+void reset_ino_dev_hashtable(void);
+
+int copy_file(const char *srcName, const char *destName,
+ int setModes, int followLinks, int forceFlag);
+int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
+char *buildName(const char *dirName, const char *fileName);
+int makeString(int argc, const char **argv, char *buf, int bufLen);
+char *getChunk(int size);
+char *chunkstrdup(const char *str);
+void freeChunks(void);
+ssize_t safe_read(int fd, void *buf, size_t count);
+int full_write(int fd, const char *buf, int len);
+int full_read(int fd, char *buf, int len);
+int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
+ int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
+ int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
+ void* userData);
+
+extern int create_path (const char *name, int mode);
+extern int parse_mode( const char* s, mode_t* theMode);
+
+extern int get_kernel_revision(void);
+
+extern int get_console_fd(char* tty_name);
+extern struct mntent *find_mount_point(const char *name, const char *table);
+extern void write_mtab(char* blockDevice, char* directory,
+ char* filesystemType, long flags, char* string_flags);
+extern void erase_mtab(const char * name);
+extern void mtab_read(void);
+extern char *mtab_first(void **iter);
+extern char *mtab_next(void **iter);
+extern char *mtab_getinfo(const char *match, const char which);
+extern int check_wildcard_match(const char* text, const char* pattern);
+extern long atoi_w_units (const char *cp);
+extern pid_t* find_pid_by_name( char* pidName);
+extern int find_real_root_device_name(char* name);
+extern char *get_line_from_file(FILE *file);
+extern void print_file(FILE *file);
+extern int print_file_by_name(char *filename);
+extern char process_escape_sequence(char **ptr);
+extern char *get_last_path_component(char *path);
+extern FILE *wfopen(const char *path, const char *mode);
+extern FILE *xfopen(const char *path, const char *mode);
+extern void chomp(char *s);
+extern void trim(char *s);
+extern struct BB_applet *find_applet_by_name(const char *name);
+void run_applet_by_name(const char *name, int argc, char **argv);
+
+#ifndef DMALLOC
+extern void *xmalloc (size_t size);
+extern void *xrealloc(void *old, size_t size);
+extern void *xcalloc(size_t nmemb, size_t size);
+extern char *xstrdup (const char *s);
+#endif
+extern char *xstrndup (const char *s, int n);
+extern char * safe_strncpy(char *dst, const char *src, size_t size);
+
+struct suffix_mult {
+ char *suffix;
+ int mult;
+};
+
+extern unsigned long parse_number(const char *numstr,
+ const struct suffix_mult *suffixes);
+
+
+/* These parse entries in /etc/passwd and /etc/group. This is desirable
+ * for BusyBox since we want to avoid using the glibc NSS stuff, which
+ * increases target size and is often not needed embedded systems. */
+extern long my_getpwnam(const char *name);
+extern long my_getgrnam(const char *name);
+extern void my_getpwuid(char *name, long uid);
+extern void my_getgrgid(char *group, long gid);
+extern long my_getpwnamegid(const char *name);
+
+extern int device_open(char *device, int mode);
+
+extern int del_loop(const char *device);
+extern int set_loop(const char *device, const char *file, int offset, int *loopro);
+extern char *find_unused_loop_device (void);
+
+
+#if (__GLIBC__ < 2)
+extern int vdprintf(int d, const char *format, va_list ap);
+#endif
+
+int nfsmount(const char *spec, const char *node, int *flags,
+ char **extra_opts, char **mount_opts, int running_bg);
+
+void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
+void syslog_msg(int facility, int pri, const char *msg);
+
+/* Include our own copy of struct sysinfo to avoid binary compatability
+ * problems with Linux 2.4, which changed things. Grumble, grumble. */
+struct sysinfo {
+ long uptime; /* Seconds since boot */
+ unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
+ unsigned long totalram; /* Total usable main memory size */
+ unsigned long freeram; /* Available memory size */
+ unsigned long sharedram; /* Amount of shared memory */
+ unsigned long bufferram; /* Memory used by buffers */
+ unsigned long totalswap; /* Total swap space size */
+ unsigned long freeswap; /* swap space still available */
+ unsigned short procs; /* Number of current processes */
+ unsigned long totalhigh; /* Total high memory size */
+ unsigned long freehigh; /* Available high memory size */
+ unsigned int mem_unit; /* Memory unit size in bytes */
+ char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
+};
+extern int sysinfo (struct sysinfo* info);
+
+const char *make_human_readable_str(unsigned long val, unsigned long hr);
+enum {
+ KILOBYTE = 1024,
+ MEGABYTE = (KILOBYTE*1024),
+ GIGABYTE = (MEGABYTE*1024)
+};
+
+int ask_confirmation(void);
+
+#endif /* __LIBBB_H__ */
diff --git a/libbb/ask_confirmation.c b/libbb/ask_confirmation.c
new file mode 100644
index 000000000..f2922379c
--- /dev/null
+++ b/libbb/ask_confirmation.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+int ask_confirmation()
+{
+ int c = '\0';
+ int ret = 0;
+
+ while (c != '\n') {
+ c = getchar();
+ if ( c != '\n' ) {
+ ret = ((c=='y')||(c=='Y')) ? 1 : 0;
+ }
+ }
+ return ret;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/check_wildcard_match.c b/libbb/check_wildcard_match.c
new file mode 100644
index 000000000..7bd3c7998
--- /dev/null
+++ b/libbb/check_wildcard_match.c
@@ -0,0 +1,140 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+/*
+ * Routine to see if a text string is matched by a wildcard pattern.
+ * Returns TRUE if the text is matched, or FALSE if it is not matched
+ * or if the pattern is invalid.
+ * * matches zero or more characters
+ * ? matches a single character
+ * [abc] matches 'a', 'b' or 'c'
+ * \c quotes character c
+ * Adapted from code written by Ingo Wilken, and
+ * then taken from sash, Copyright (c) 1999 by David I. Bell
+ * Permission is granted to use, distribute, or modify this source,
+ * provided that this copyright notice remains intact.
+ * Permission to distribute this code under the GPL has been granted.
+ */
+extern int check_wildcard_match(const char *text, const char *pattern)
+{
+ const char *retryPat;
+ const char *retryText;
+ int ch;
+ int found;
+ int len;
+
+ retryPat = NULL;
+ retryText = NULL;
+
+ while (*text || *pattern) {
+ ch = *pattern++;
+
+ switch (ch) {
+ case '*':
+ retryPat = pattern;
+ retryText = text;
+ break;
+
+ case '[':
+ found = FALSE;
+
+ while ((ch = *pattern++) != ']') {
+ if (ch == '\\')
+ ch = *pattern++;
+
+ if (ch == '\0')
+ return FALSE;
+
+ if (*text == ch)
+ found = TRUE;
+ }
+ len=strlen(text);
+ if (found == FALSE && len!=0) {
+ return FALSE;
+ }
+ if (found == TRUE) {
+ if (strlen(pattern)==0 && len==1) {
+ return TRUE;
+ }
+ if (len!=0) {
+ text++;
+ continue;
+ }
+ }
+
+ /* fall into next case */
+
+ case '?':
+ if (*text++ == '\0')
+ return FALSE;
+
+ break;
+
+ case '\\':
+ ch = *pattern++;
+
+ if (ch == '\0')
+ return FALSE;
+
+ /* fall into next case */
+
+ default:
+ if (*text == ch) {
+ if (*text)
+ text++;
+ break;
+ }
+
+ if (*text) {
+ pattern = retryPat;
+ text = ++retryText;
+ break;
+ }
+
+ return FALSE;
+ }
+
+ if (pattern == NULL)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/chomp.c b/libbb/chomp.c
new file mode 100644
index 000000000..cbd3d04bc
--- /dev/null
+++ b/libbb/chomp.c
@@ -0,0 +1,51 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+void chomp(char *s)
+{
+ size_t len = strlen(s);
+
+ if (len == 0)
+ return;
+
+ if (s[len-1] == '\n')
+ s[len-1] = '\0';
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/copy_file.c b/libbb/copy_file.c
new file mode 100644
index 000000000..64b65b9fa
--- /dev/null
+++ b/libbb/copy_file.c
@@ -0,0 +1,180 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <utime.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+
+/*
+ * Copy one file to another, while possibly preserving its modes, times, and
+ * modes. Returns TRUE if successful, or FALSE on a failure with an error
+ * message output. (Failure is not indicated if attributes cannot be set.)
+ * -Erik Andersen
+ */
+int
+copy_file(const char *srcName, const char *destName,
+ int setModes, int followLinks, int forceFlag)
+{
+ int rfd;
+ int wfd;
+ int status;
+ struct stat srcStatBuf;
+ struct stat dstStatBuf;
+ struct utimbuf times;
+
+ if (followLinks == TRUE)
+ status = stat(srcName, &srcStatBuf);
+ else
+ status = lstat(srcName, &srcStatBuf);
+
+ if (status < 0) {
+ perror_msg("%s", srcName);
+ return FALSE;
+ }
+
+ if (followLinks == TRUE)
+ status = stat(destName, &dstStatBuf);
+ else
+ status = lstat(destName, &dstStatBuf);
+
+ if (status < 0 || forceFlag==TRUE) {
+ unlink(destName);
+ dstStatBuf.st_ino = -1;
+ dstStatBuf.st_dev = -1;
+ }
+
+ if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
+ (srcStatBuf.st_ino == dstStatBuf.st_ino)) {
+ error_msg("Copying file \"%s\" to itself", srcName);
+ return FALSE;
+ }
+
+ if (S_ISDIR(srcStatBuf.st_mode)) {
+ //fprintf(stderr, "copying directory %s to %s\n", srcName, destName);
+ /* Make sure the directory is writable */
+ status = mkdir(destName, 0777777 ^ umask(0));
+ if (status < 0 && errno != EEXIST) {
+ perror_msg("%s", destName);
+ return FALSE;
+ }
+ } else if (S_ISLNK(srcStatBuf.st_mode)) {
+ char link_val[BUFSIZ + 1];
+ int link_size;
+
+ //fprintf(stderr, "copying link %s to %s\n", srcName, destName);
+ /* Warning: This could possibly truncate silently, to BUFSIZ chars */
+ link_size = readlink(srcName, &link_val[0], BUFSIZ);
+ if (link_size < 0) {
+ perror_msg("%s", srcName);
+ return FALSE;
+ }
+ link_val[link_size] = '\0';
+ status = symlink(link_val, destName);
+ if (status < 0) {
+ perror_msg("%s", destName);
+ return FALSE;
+ }
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
+ if (setModes == TRUE) {
+ /* Try to set owner, but fail silently like GNU cp */
+ lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
+ }
+#endif
+ return TRUE;
+ } else if (S_ISFIFO(srcStatBuf.st_mode)) {
+ //fprintf(stderr, "copying fifo %s to %s\n", srcName, destName);
+ if (mkfifo(destName, 0644) < 0) {
+ perror_msg("%s", destName);
+ return FALSE;
+ }
+ } else if (S_ISBLK(srcStatBuf.st_mode) || S_ISCHR(srcStatBuf.st_mode)
+ || S_ISSOCK(srcStatBuf.st_mode)) {
+ //fprintf(stderr, "copying soc, blk, or chr %s to %s\n", srcName, destName);
+ if (mknod(destName, srcStatBuf.st_mode, srcStatBuf.st_rdev) < 0) {
+ perror_msg("%s", destName);
+ return FALSE;
+ }
+ } else if (S_ISREG(srcStatBuf.st_mode)) {
+ //fprintf(stderr, "copying regular file %s to %s\n", srcName, destName);
+ rfd = open(srcName, O_RDONLY);
+ if (rfd < 0) {
+ perror_msg("%s", srcName);
+ return FALSE;
+ }
+
+ wfd = open(destName, O_WRONLY | O_CREAT | O_TRUNC,
+ srcStatBuf.st_mode);
+ if (wfd < 0) {
+ perror_msg("%s", destName);
+ close(rfd);
+ return FALSE;
+ }
+
+ if (copy_file_chunk(rfd, wfd, srcStatBuf.st_size)==FALSE)
+ goto error_exit;
+
+ close(rfd);
+ if (close(wfd) < 0) {
+ return FALSE;
+ }
+ }
+
+ if (setModes == TRUE) {
+ /* This is fine, since symlinks never get here */
+ if (chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0)
+ perror_msg_and_die("%s", destName);
+ if (chmod(destName, srcStatBuf.st_mode) < 0)
+ perror_msg_and_die("%s", destName);
+ times.actime = srcStatBuf.st_atime;
+ times.modtime = srcStatBuf.st_mtime;
+ if (utime(destName, &times) < 0)
+ perror_msg_and_die("%s", destName);
+ }
+
+ return TRUE;
+
+ error_exit:
+ perror_msg("%s", destName);
+ close(rfd);
+ close(wfd);
+
+ return FALSE;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/copy_file_chunk.c b/libbb/copy_file_chunk.c
new file mode 100644
index 000000000..3c657dd06
--- /dev/null
+++ b/libbb/copy_file_chunk.c
@@ -0,0 +1,60 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/*
+ * Copy chunksize bytes between two file descriptors
+ */
+int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
+{
+ size_t size;
+ char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
+
+ while (chunksize > 0) {
+ if (chunksize > BUFSIZ)
+ size = BUFSIZ;
+ else
+ size = chunksize;
+ if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
+ return(FALSE);
+ chunksize -= size;
+ }
+ return (TRUE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/create_path.c b/libbb/create_path.c
new file mode 100644
index 000000000..328afc351
--- /dev/null
+++ b/libbb/create_path.c
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include "libbb.h"
+
+/*
+ * Attempt to create the directories along the specified path, except for
+ * the final component. The mode is given for the final directory only,
+ * while all previous ones get default protections. Errors are not reported
+ * here, as failures to restore files can be reported later.
+ */
+extern int create_path(const char *name, int mode)
+{
+ char *cp;
+ char *cpOld;
+ char buf[BUFSIZ + 1];
+ int retVal = 0;
+
+ strcpy(buf, name);
+ for (cp = buf; *cp == '/'; cp++);
+ cp = strchr(cp, '/');
+ while (cp) {
+ cpOld = cp;
+ cp = strchr(cp + 1, '/');
+ *cpOld = '\0';
+ retVal = mkdir(buf, cp ? 0777 : mode);
+ if (retVal != 0 && errno != EEXIST) {
+ perror_msg("%s", buf);
+ return FALSE;
+ }
+ *cpOld = '/';
+ }
+ return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/device_open.c b/libbb/device_open.c
new file mode 100644
index 000000000..8e97ce6c5
--- /dev/null
+++ b/libbb/device_open.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <fcntl.h>
+#include "libbb.h"
+
+
+/* try to open up the specified device */
+extern int device_open(char *device, int mode)
+{
+ int m, f, fd = -1;
+
+ m = mode | O_NONBLOCK;
+
+ /* Retry up to 5 times */
+ for (f = 0; f < 5; f++)
+ if ((fd = open(device, m, 0600)) >= 0)
+ break;
+ if (fd < 0)
+ return fd;
+ /* Reset original flags. */
+ if (m != mode)
+ fcntl(fd, F_SETFL, mode);
+ return fd;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/error_msg.c b/libbb/error_msg.c
new file mode 100644
index 000000000..7773d32a2
--- /dev/null
+++ b/libbb/error_msg.c
@@ -0,0 +1,100 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern const char *applet_name;
+
+static void verror_msg(const char *s, va_list p)
+{
+ fflush(stdout);
+ fprintf(stderr, "%s: ", applet_name);
+ vfprintf(stderr, s, p);
+}
+
+extern void error_msg(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ verror_msg(s, p);
+ va_end(p);
+ putc('\n', stderr);
+}
+
+extern void error_msg_and_die(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ verror_msg(s, p);
+ va_end(p);
+ putc('\n', stderr);
+ exit(EXIT_FAILURE);
+}
+
+static void vperror_msg(const char *s, va_list p)
+{
+ int err=errno;
+ if(s == 0) s = "";
+ verror_msg(s, p);
+ if (*s) s = ": ";
+ fprintf(stderr, "%s%s\n", s, strerror(err));
+}
+
+extern void perror_msg(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ vperror_msg(s, p);
+ va_end(p);
+}
+
+extern void perror_msg_and_die(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ vperror_msg(s, p);
+ va_end(p);
+ exit(EXIT_FAILURE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/find_mount_point.c b/libbb/find_mount_point.c
new file mode 100644
index 000000000..27322f7f0
--- /dev/null
+++ b/libbb/find_mount_point.c
@@ -0,0 +1,80 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+#include <mntent.h>
+/*
+ * Given a block device, find the mount table entry if that block device
+ * is mounted.
+ *
+ * Given any other file (or directory), find the mount table entry for its
+ * filesystem.
+ */
+extern struct mntent *find_mount_point(const char *name, const char *table)
+{
+ struct stat s;
+ dev_t mountDevice;
+ FILE *mountTable;
+ struct mntent *mountEntry;
+
+ if (stat(name, &s) != 0)
+ return 0;
+
+ if ((s.st_mode & S_IFMT) == S_IFBLK)
+ mountDevice = s.st_rdev;
+ else
+ mountDevice = s.st_dev;
+
+
+ if ((mountTable = setmntent(table, "r")) == 0)
+ return 0;
+
+ while ((mountEntry = getmntent(mountTable)) != 0) {
+ if (strcmp(name, mountEntry->mnt_dir) == 0
+ || strcmp(name, mountEntry->mnt_fsname) == 0) /* String match. */
+ break;
+ if (stat(mountEntry->mnt_fsname, &s) == 0 && s.st_rdev == mountDevice) /* Match the device. */
+ break;
+ if (stat(mountEntry->mnt_dir, &s) == 0 && s.st_dev == mountDevice) /* Match the directory's mount point. */
+ break;
+ }
+ endmntent(mountTable);
+ return mountEntry;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
new file mode 100644
index 000000000..a22ee1ff8
--- /dev/null
+++ b/libbb/find_pid_by_name.c
@@ -0,0 +1,168 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+/* For Erik's nifty devps device driver */
+#ifdef BB_FEATURE_USE_DEVPS_PATCH
+#include <linux/devps.h>
+
+/* find_pid_by_name()
+ *
+ * This finds the pid of the specified process,
+ * by using the /dev/ps device driver.
+ *
+ * Returns a list of all matching PIDs
+ */
+extern pid_t* find_pid_by_name( char* pidName)
+{
+ int fd, i, j;
+ char device[] = "/dev/ps";
+ pid_t num_pids;
+ pid_t* pid_array = NULL;
+ pid_t* pidList=NULL;
+
+ /* open device */
+ fd = open(device, O_RDONLY);
+ if (fd < 0)
+ perror_msg_and_die("open failed for `%s'", device);
+
+ /* Find out how many processes there are */
+ if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0)
+ perror_msg_and_die("\nDEVPS_GET_PID_LIST");
+
+ /* Allocate some memory -- grab a few extras just in case
+ * some new processes start up while we wait. The kernel will
+ * just ignore any extras if we give it too many, and will trunc.
+ * the list if we give it too few. */
+ pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
+ pid_array[0] = num_pids+10;
+
+ /* Now grab the pid list */
+ if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0)
+ perror_msg_and_die("\nDEVPS_GET_PID_LIST");
+
+ /* Now search for a match */
+ for (i=1, j=0; i<pid_array[0] ; i++) {
+ char* p;
+ struct pid_info info;
+
+ info.pid = pid_array[i];
+ if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
+ perror_msg_and_die("\nDEVPS_GET_PID_INFO");
+
+ /* Make sure we only match on the process name */
+ p=info.command_line+1;
+ while ((*p != 0) && !isspace(*(p)) && (*(p-1) != '\\')) {
+ (p)++;
+ }
+ if (isspace(*(p)))
+ *p='\0';
+
+ if ((strstr(info.command_line, pidName) != NULL)
+ && (strlen(pidName) == strlen(info.command_line))) {
+ pidList=xrealloc( pidList, sizeof(pid_t) * (j+2));
+ pidList[j++]=info.pid;
+ }
+ }
+ if (pidList)
+ pidList[j]=0;
+
+ /* Free memory */
+ free( pid_array);
+
+ /* close device */
+ if (close (fd) != 0)
+ perror_msg_and_die("close failed for `%s'", device);
+
+ return pidList;
+}
+
+#else /* BB_FEATURE_USE_DEVPS_PATCH */
+
+/* find_pid_by_name()
+ *
+ * This finds the pid of the specified process.
+ * Currently, it's implemented by rummaging through
+ * the proc filesystem.
+ *
+ * Returns a list of all matching PIDs
+ */
+extern pid_t* find_pid_by_name( char* pidName)
+{
+ DIR *dir;
+ struct dirent *next;
+ pid_t* pidList=NULL;
+ int i=0;
+
+ dir = opendir("/proc");
+ if (!dir)
+ perror_msg_and_die("Cannot open /proc");
+
+ while ((next = readdir(dir)) != NULL) {
+ FILE *status;
+ char filename[256];
+ char buffer[256];
+
+ /* If it isn't a number, we don't want it */
+ if (!isdigit(*next->d_name))
+ continue;
+
+ sprintf(filename, "/proc/%s/cmdline", next->d_name);
+ status = fopen(filename, "r");
+ if (!status) {
+ continue;
+ }
+ fgets(buffer, 256, status);
+ fclose(status);
+
+ if (strstr(get_last_path_component(buffer), pidName) != NULL) {
+ pidList=xrealloc( pidList, sizeof(pid_t) * (i+2));
+ pidList[i++]=strtol(next->d_name, NULL, 0);
+ }
+ }
+
+ if (pidList)
+ pidList[i]=0;
+ return pidList;
+}
+#endif /* BB_FEATURE_USE_DEVPS_PATCH */
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/find_root_device.c b/libbb/find_root_device.c
new file mode 100644
index 000000000..de765ce44
--- /dev/null
+++ b/libbb/find_root_device.c
@@ -0,0 +1,85 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <dirent.h>
+#include "libbb.h"
+
+
+
+extern int find_real_root_device_name(char* name)
+{
+ DIR *dir;
+ struct dirent *entry;
+ struct stat statBuf, rootStat;
+ char fileName[BUFSIZ];
+
+ if (stat("/", &rootStat) != 0) {
+ error_msg("could not stat '/'");
+ return( FALSE);
+ }
+
+ dir = opendir("/dev");
+ if (!dir) {
+ error_msg("could not open '/dev'");
+ return( FALSE);
+ }
+
+ while((entry = readdir(dir)) != NULL) {
+
+ /* Must skip ".." since that is "/", and so we
+ * would get a false positive on ".." */
+ if (strcmp(entry->d_name, "..") == 0)
+ continue;
+
+ snprintf( fileName, strlen(name)+1, "/dev/%s", entry->d_name);
+
+ if (stat(fileName, &statBuf) != 0)
+ continue;
+ /* Some char devices have the same dev_t as block
+ * devices, so make sure this is a block device */
+ if (! S_ISBLK(statBuf.st_mode))
+ continue;
+ if (statBuf.st_rdev == rootStat.st_rdev) {
+ strcpy(name, fileName);
+ return ( TRUE);
+ }
+ }
+
+ return( FALSE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/full_read.c b/libbb/full_read.c
new file mode 100644
index 000000000..e9c4bbfc6
--- /dev/null
+++ b/libbb/full_read.c
@@ -0,0 +1,70 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "libbb.h"
+
+
+/*
+ * Read all of the supplied buffer from a file.
+ * This does multiple reads as necessary.
+ * Returns the amount read, or -1 on an error.
+ * A short read is returned on an end of file.
+ */
+int full_read(int fd, char *buf, int len)
+{
+ int cc;
+ int total;
+
+ total = 0;
+
+ while (len > 0) {
+ cc = read(fd, buf, len);
+
+ if (cc < 0)
+ return -1;
+
+ if (cc == 0)
+ break;
+
+ buf += cc;
+ total += cc;
+ len -= cc;
+ }
+
+ return total;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/full_write.c b/libbb/full_write.c
new file mode 100644
index 000000000..dc9937fa3
--- /dev/null
+++ b/libbb/full_write.c
@@ -0,0 +1,66 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "libbb.h"
+
+/*
+ * Write all of the supplied buffer out to a file.
+ * This does multiple writes as necessary.
+ * Returns the amount written, or -1 on an error.
+ */
+int full_write(int fd, const char *buf, int len)
+{
+ int cc;
+ int total;
+
+ total = 0;
+
+ while (len > 0) {
+ cc = write(fd, buf, len);
+
+ if (cc < 0)
+ return -1;
+
+ buf += cc;
+ total += cc;
+ len -= cc;
+ }
+
+ return total;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/get_console.c b/libbb/get_console.c
new file mode 100644
index 000000000..4be9adc84
--- /dev/null
+++ b/libbb/get_console.c
@@ -0,0 +1,129 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "libbb.h"
+
+
+
+
+
+/* From <linux/kd.h> */
+static const int KDGKBTYPE = 0x4B33; /* get keyboard type */
+static const int KB_84 = 0x01;
+static const int KB_101 = 0x02; /* this is what we always answer */
+
+int is_a_console(int fd)
+{
+ char arg;
+
+ arg = 0;
+ return (ioctl(fd, KDGKBTYPE, &arg) == 0
+ && ((arg == KB_101) || (arg == KB_84)));
+}
+
+static int open_a_console(char *fnam)
+{
+ int fd;
+
+ /* try read-only */
+ fd = open(fnam, O_RDWR);
+
+ /* if failed, try read-only */
+ if (fd < 0 && errno == EACCES)
+ fd = open(fnam, O_RDONLY);
+
+ /* if failed, try write-only */
+ if (fd < 0 && errno == EACCES)
+ fd = open(fnam, O_WRONLY);
+
+ /* if failed, fail */
+ if (fd < 0)
+ return -1;
+
+ /* if not a console, fail */
+ if (!is_a_console(fd)) {
+ close(fd);
+ return -1;
+ }
+
+ /* success */
+ return fd;
+}
+
+/*
+ * Get an fd for use with kbd/console ioctls.
+ * We try several things because opening /dev/console will fail
+ * if someone else used X (which does a chown on /dev/console).
+ *
+ * if tty_name is non-NULL, try this one instead.
+ */
+
+int get_console_fd(char *tty_name)
+{
+ int fd;
+
+ if (tty_name) {
+ if (-1 == (fd = open_a_console(tty_name)))
+ return -1;
+ else
+ return fd;
+ }
+
+ fd = open_a_console("/dev/tty");
+ if (fd >= 0)
+ return fd;
+
+ fd = open_a_console("/dev/tty0");
+ if (fd >= 0)
+ return fd;
+
+ fd = open_a_console("/dev/console");
+ if (fd >= 0)
+ return fd;
+
+ for (fd = 0; fd < 3; fd++)
+ if (is_a_console(fd))
+ return fd;
+
+ error_msg("Couldnt get a file descriptor referring to the console");
+ return -1; /* total failure */
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c
new file mode 100644
index 000000000..a322288a6
--- /dev/null
+++ b/libbb/get_last_path_component.c
@@ -0,0 +1,58 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "libbb.h"
+
+
+char *get_last_path_component(char *path)
+{
+ char *s=path+strlen(path)-1;
+
+ /* strip trailing slashes */
+ while (s != path && *s == '/') {
+ *s-- = '\0';
+ }
+
+ /* find last component */
+ s = strrchr(path, '/');
+ if (s == NULL || s[1] == '\0')
+ return path;
+ else
+ return s+1;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/get_line_from_file.c b/libbb/get_line_from_file.c
new file mode 100644
index 000000000..759481731
--- /dev/null
+++ b/libbb/get_line_from_file.c
@@ -0,0 +1,72 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+/* get_line_from_file() - This function reads an entire line from a text file
+ * up to a newline. It returns a malloc'ed char * which must be stored and
+ * free'ed by the caller. */
+extern char *get_line_from_file(FILE *file)
+{
+ static const int GROWBY = 80; /* how large we will grow strings by */
+
+ int ch;
+ int idx = 0;
+ char *linebuf = NULL;
+ int linebufsz = 0;
+
+ while (1) {
+ ch = fgetc(file);
+ if (ch == EOF)
+ break;
+ /* grow the line buffer as necessary */
+ while (idx > linebufsz-2)
+ linebuf = xrealloc(linebuf, linebufsz += GROWBY);
+ linebuf[idx++] = (char)ch;
+ if ((char)ch == '\n')
+ break;
+ }
+
+ if (idx == 0)
+ return NULL;
+
+ linebuf[idx] = 0;
+ return linebuf;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/human_readable.c b/libbb/human_readable.c
new file mode 100644
index 000000000..ff2175175
--- /dev/null
+++ b/libbb/human_readable.c
@@ -0,0 +1,62 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+const char *make_human_readable_str(unsigned long val, unsigned long hr)
+{
+ int i=0;
+ static char str[10] = "\0";
+ static const char strings[] = { 'k', 'M', 'G', 'T', 0 };
+ unsigned long divisor = 1;
+
+ if(val == 0)
+ return("0");
+ if(hr)
+ snprintf(str, 9, "%ld", val/hr);
+ else {
+ while(val >= divisor && i <= 4) {
+ divisor=divisor<<10, i++;
+ }
+ divisor=divisor>>10, i--;
+ snprintf(str, 9, "%.1Lf%c", (long double)(val)/divisor, strings[i]);
+ }
+ return(str);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/inode_hash.c b/libbb/inode_hash.c
new file mode 100644
index 000000000..db68025dd
--- /dev/null
+++ b/libbb/inode_hash.c
@@ -0,0 +1,105 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+#define HASH_SIZE 311 /* Should be prime */
+#define hash_inode(i) ((i) % HASH_SIZE)
+
+static ino_dev_hashtable_bucket_t *ino_dev_hashtable[HASH_SIZE];
+
+/*
+ * Return 1 if statbuf->st_ino && statbuf->st_dev are recorded in
+ * `ino_dev_hashtable', else return 0
+ *
+ * If NAME is a non-NULL pointer to a character pointer, and there is
+ * a match, then set *NAME to the value of the name slot in that
+ * bucket.
+ */
+int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name)
+{
+ ino_dev_hashtable_bucket_t *bucket;
+
+ bucket = ino_dev_hashtable[hash_inode(statbuf->st_ino)];
+ while (bucket != NULL) {
+ if ((bucket->ino == statbuf->st_ino) &&
+ (bucket->dev == statbuf->st_dev))
+ {
+ if (name) *name = bucket->name;
+ return 1;
+ }
+ bucket = bucket->next;
+ }
+ return 0;
+}
+
+/* Add statbuf to statbuf hash table */
+void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name)
+{
+ int i;
+ size_t s;
+ ino_dev_hashtable_bucket_t *bucket;
+
+ i = hash_inode(statbuf->st_ino);
+ s = name ? strlen(name) : 0;
+ bucket = xmalloc(sizeof(ino_dev_hashtable_bucket_t) + s);
+ bucket->ino = statbuf->st_ino;
+ bucket->dev = statbuf->st_dev;
+ if (name)
+ strcpy(bucket->name, name);
+ else
+ bucket->name[0] = '\0';
+ bucket->next = ino_dev_hashtable[i];
+ ino_dev_hashtable[i] = bucket;
+}
+
+/* Clear statbuf hash table */
+void reset_ino_dev_hashtable(void)
+{
+ int i;
+ ino_dev_hashtable_bucket_t *bucket;
+
+ for (i = 0; i < HASH_SIZE; i++) {
+ while (ino_dev_hashtable[i] != NULL) {
+ bucket = ino_dev_hashtable[i]->next;
+ free(ino_dev_hashtable[i]);
+ ino_dev_hashtable[i] = bucket;
+ }
+ }
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/isdirectory.c b/libbb/isdirectory.c
new file mode 100644
index 000000000..65f4fee00
--- /dev/null
+++ b/libbb/isdirectory.c
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/*
+ * Return TRUE if a fileName is a directory.
+ * Nonexistant files return FALSE.
+ */
+int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
+{
+ int status;
+ int didMalloc = 0;
+
+ if (statBuf == NULL) {
+ statBuf = (struct stat *)xmalloc(sizeof(struct stat));
+ ++didMalloc;
+ }
+
+ if (followLinks == TRUE)
+ status = stat(fileName, statBuf);
+ else
+ status = lstat(fileName, statBuf);
+
+ if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
+ status = FALSE;
+ }
+ else status = TRUE;
+
+ if (didMalloc) {
+ free(statBuf);
+ statBuf = NULL;
+ }
+ return status;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/kernel_version.c b/libbb/kernel_version.c
new file mode 100644
index 000000000..09cd582c4
--- /dev/null
+++ b/libbb/kernel_version.c
@@ -0,0 +1,66 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/utsname.h> /* for uname(2) */
+
+#include "libbb.h"
+
+/* Returns kernel version encoded as major*65536 + minor*256 + patch,
+ * so, for example, to check if the kernel is greater than 2.2.11:
+ * if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
+ */
+extern int get_kernel_revision(void)
+{
+ struct utsname name;
+ char *s;
+ int i, r;
+
+ if (uname(&name) == -1) {
+ perror_msg("cannot get system information");
+ return (0);
+ }
+
+ s = name.release;
+ r = 0;
+ for (i=0 ; i<3 ; i++) {
+ r = r * 256 + atoi(strtok(s, "."));
+ s = NULL;
+ }
+ return r;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/libbb.h b/libbb/libbb.h
new file mode 100644
index 000000000..a85987d9e
--- /dev/null
+++ b/libbb/libbb.h
@@ -0,0 +1,209 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Busybox main internal header file
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+#ifndef __LIBBB_H__
+#define __LIBBB_H__ 1
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#ifdef DMALLOC
+#include "dmalloc.h"
+#endif
+
+#include <features.h>
+/* Stupid libc doesn't have a reliable way for use to know
+ * that libc5 is being used. Assume this is good enough */
+#if ! defined __GLIBC__ && ! defined __UCLIBC__
+/* libc5 doesn't define socklen_t */
+typedef unsigned int socklen_t;
+#endif
+
+/* Some useful definitions */
+#define FALSE ((int) 0)
+#define TRUE ((int) 1)
+#define SKIP ((int) 2)
+
+/* for mtab.c */
+#define MTAB_GETMOUNTPT '1'
+#define MTAB_GETDEVICE '2'
+
+#define BUF_SIZE 8192
+#define EXPAND_ALLOC 1024
+
+static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
+static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
+
+/* Macros for min/max. */
+#ifndef MIN
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#ifndef MAX
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+
+
+extern void show_usage(void) __attribute__ ((noreturn));
+extern void error_msg(const char *s, ...);
+extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+extern void perror_msg(const char *s, ...);
+extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+
+const char *mode_string(int mode);
+const char *time_string(time_t timeVal);
+int is_directory(const char *name, const int followLinks, struct stat *statBuf);
+int isDevice(const char *name);
+
+typedef struct ino_dev_hash_bucket_struct {
+ struct ino_dev_hash_bucket_struct *next;
+ ino_t ino;
+ dev_t dev;
+ char name[1];
+} ino_dev_hashtable_bucket_t;
+int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
+void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
+void reset_ino_dev_hashtable(void);
+
+int copy_file(const char *srcName, const char *destName,
+ int setModes, int followLinks, int forceFlag);
+int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
+char *buildName(const char *dirName, const char *fileName);
+int makeString(int argc, const char **argv, char *buf, int bufLen);
+char *getChunk(int size);
+char *chunkstrdup(const char *str);
+void freeChunks(void);
+ssize_t safe_read(int fd, void *buf, size_t count);
+int full_write(int fd, const char *buf, int len);
+int full_read(int fd, char *buf, int len);
+int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
+ int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
+ int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
+ void* userData);
+
+extern int create_path (const char *name, int mode);
+extern int parse_mode( const char* s, mode_t* theMode);
+
+extern int get_kernel_revision(void);
+
+extern int get_console_fd(char* tty_name);
+extern struct mntent *find_mount_point(const char *name, const char *table);
+extern void write_mtab(char* blockDevice, char* directory,
+ char* filesystemType, long flags, char* string_flags);
+extern void erase_mtab(const char * name);
+extern void mtab_read(void);
+extern char *mtab_first(void **iter);
+extern char *mtab_next(void **iter);
+extern char *mtab_getinfo(const char *match, const char which);
+extern int check_wildcard_match(const char* text, const char* pattern);
+extern long atoi_w_units (const char *cp);
+extern pid_t* find_pid_by_name( char* pidName);
+extern int find_real_root_device_name(char* name);
+extern char *get_line_from_file(FILE *file);
+extern void print_file(FILE *file);
+extern int print_file_by_name(char *filename);
+extern char process_escape_sequence(char **ptr);
+extern char *get_last_path_component(char *path);
+extern FILE *wfopen(const char *path, const char *mode);
+extern FILE *xfopen(const char *path, const char *mode);
+extern void chomp(char *s);
+extern void trim(char *s);
+extern struct BB_applet *find_applet_by_name(const char *name);
+void run_applet_by_name(const char *name, int argc, char **argv);
+
+#ifndef DMALLOC
+extern void *xmalloc (size_t size);
+extern void *xrealloc(void *old, size_t size);
+extern void *xcalloc(size_t nmemb, size_t size);
+extern char *xstrdup (const char *s);
+#endif
+extern char *xstrndup (const char *s, int n);
+extern char * safe_strncpy(char *dst, const char *src, size_t size);
+
+struct suffix_mult {
+ char *suffix;
+ int mult;
+};
+
+extern unsigned long parse_number(const char *numstr,
+ const struct suffix_mult *suffixes);
+
+
+/* These parse entries in /etc/passwd and /etc/group. This is desirable
+ * for BusyBox since we want to avoid using the glibc NSS stuff, which
+ * increases target size and is often not needed embedded systems. */
+extern long my_getpwnam(const char *name);
+extern long my_getgrnam(const char *name);
+extern void my_getpwuid(char *name, long uid);
+extern void my_getgrgid(char *group, long gid);
+extern long my_getpwnamegid(const char *name);
+
+extern int device_open(char *device, int mode);
+
+extern int del_loop(const char *device);
+extern int set_loop(const char *device, const char *file, int offset, int *loopro);
+extern char *find_unused_loop_device (void);
+
+
+#if (__GLIBC__ < 2)
+extern int vdprintf(int d, const char *format, va_list ap);
+#endif
+
+int nfsmount(const char *spec, const char *node, int *flags,
+ char **extra_opts, char **mount_opts, int running_bg);
+
+void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
+void syslog_msg(int facility, int pri, const char *msg);
+
+/* Include our own copy of struct sysinfo to avoid binary compatability
+ * problems with Linux 2.4, which changed things. Grumble, grumble. */
+struct sysinfo {
+ long uptime; /* Seconds since boot */
+ unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
+ unsigned long totalram; /* Total usable main memory size */
+ unsigned long freeram; /* Available memory size */
+ unsigned long sharedram; /* Amount of shared memory */
+ unsigned long bufferram; /* Memory used by buffers */
+ unsigned long totalswap; /* Total swap space size */
+ unsigned long freeswap; /* swap space still available */
+ unsigned short procs; /* Number of current processes */
+ unsigned long totalhigh; /* Total high memory size */
+ unsigned long freehigh; /* Available high memory size */
+ unsigned int mem_unit; /* Memory unit size in bytes */
+ char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
+};
+extern int sysinfo (struct sysinfo* info);
+
+const char *make_human_readable_str(unsigned long val, unsigned long hr);
+enum {
+ KILOBYTE = 1024,
+ MEGABYTE = (KILOBYTE*1024),
+ GIGABYTE = (MEGABYTE*1024)
+};
+
+int ask_confirmation(void);
+
+#endif /* __LIBBB_H__ */
diff --git a/libbb/loop.c b/libbb/loop.c
new file mode 100644
index 000000000..4754b8da1
--- /dev/null
+++ b/libbb/loop.c
@@ -0,0 +1,128 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "libbb.h"
+#include "loop.h" /* Pull in loop device support */
+
+extern int del_loop(const char *device)
+{
+ int fd;
+
+ if ((fd = open(device, O_RDONLY)) < 0) {
+ perror_msg("%s", device);
+ return (FALSE);
+ }
+ if (ioctl(fd, LOOP_CLR_FD, 0) < 0) {
+ perror_msg("ioctl: LOOP_CLR_FD");
+ return (FALSE);
+ }
+ close(fd);
+ return (TRUE);
+}
+
+extern int set_loop(const char *device, const char *file, int offset,
+ int *loopro)
+{
+ struct loop_info loopinfo;
+ int fd, ffd, mode;
+
+ mode = *loopro ? O_RDONLY : O_RDWR;
+ if ((ffd = open(file, mode)) < 0 && !*loopro
+ && (errno != EROFS || (ffd = open(file, mode = O_RDONLY)) < 0)) {
+ perror_msg("%s", file);
+ return 1;
+ }
+ if ((fd = open(device, mode)) < 0) {
+ close(ffd);
+ perror_msg("%s", device);
+ return 1;
+ }
+ *loopro = (mode == O_RDONLY);
+
+ memset(&loopinfo, 0, sizeof(loopinfo));
+ safe_strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
+
+ loopinfo.lo_offset = offset;
+
+ loopinfo.lo_encrypt_key_size = 0;
+ if (ioctl(fd, LOOP_SET_FD, ffd) < 0) {
+ perror_msg("ioctl: LOOP_SET_FD");
+ close(fd);
+ close(ffd);
+ return 1;
+ }
+ if (ioctl(fd, LOOP_SET_STATUS, &loopinfo) < 0) {
+ (void) ioctl(fd, LOOP_CLR_FD, 0);
+ perror_msg("ioctl: LOOP_SET_STATUS");
+ close(fd);
+ close(ffd);
+ return 1;
+ }
+ close(fd);
+ close(ffd);
+ return 0;
+}
+
+extern char *find_unused_loop_device(void)
+{
+ char dev[20];
+ int i, fd;
+ struct stat statbuf;
+ struct loop_info loopinfo;
+
+ for (i = 0; i <= 7; i++) {
+ sprintf(dev, "/dev/loop%d", i);
+ if (stat(dev, &statbuf) == 0 && S_ISBLK(statbuf.st_mode)) {
+ if ((fd = open(dev, O_RDONLY)) >= 0) {
+ if (ioctl(fd, LOOP_GET_STATUS, &loopinfo) != 0) {
+ if (errno == ENXIO) { /* probably free */
+ close(fd);
+ return strdup(dev);
+ }
+ }
+ close(fd);
+ }
+ }
+ }
+ return NULL;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/mode_string.c b/libbb/mode_string.c
new file mode 100644
index 000000000..0a3d6e6f0
--- /dev/null
+++ b/libbb/mode_string.c
@@ -0,0 +1,82 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
+#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
+
+/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
+static const mode_t SBIT[] = {
+ 0, 0, S_ISUID,
+ 0, 0, S_ISGID,
+ 0, 0, S_ISVTX
+};
+
+/* The 9 mode bits to test */
+static const mode_t MBIT[] = {
+ S_IRUSR, S_IWUSR, S_IXUSR,
+ S_IRGRP, S_IWGRP, S_IXGRP,
+ S_IROTH, S_IWOTH, S_IXOTH
+};
+
+static const char MODE1[] = "rwxrwxrwx";
+static const char MODE0[] = "---------";
+static const char SMODE1[] = "..s..s..t";
+static const char SMODE0[] = "..S..S..T";
+
+/*
+ * Return the standard ls-like mode string from a file mode.
+ * This is static and so is overwritten on each call.
+ */
+const char *mode_string(int mode)
+{
+ static char buf[12];
+
+ int i;
+
+ buf[0] = TYPECHAR(mode);
+ for (i = 0; i < 9; i++) {
+ if (mode & SBIT[i])
+ buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
+ else
+ buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
+ }
+ return buf;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/parse_mode.c b/libbb/parse_mode.c
new file mode 100644
index 000000000..33a878122
--- /dev/null
+++ b/libbb/parse_mode.c
@@ -0,0 +1,138 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+/* This function parses the sort of string you might pass
+ * to chmod (i.e. [ugoa]{+|-|=}[rwxst] ) and returns the
+ * correct mode described by the string. */
+extern int parse_mode(const char *s, mode_t * theMode)
+{
+ static const mode_t group_set[] = {
+ S_ISUID | S_IRWXU, /* u */
+ S_ISGID | S_IRWXG, /* g */
+ S_IRWXO, /* o */
+ S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO /* a */
+ };
+
+ static const mode_t mode_set[] = {
+ S_IRUSR | S_IRGRP | S_IROTH, /* r */
+ S_IWUSR | S_IWGRP | S_IWOTH, /* w */
+ S_IXUSR | S_IXGRP | S_IXOTH, /* x */
+ S_ISUID | S_ISGID, /* s */
+ S_ISVTX /* t */
+ };
+
+ static const char group_string[] = "ugoa";
+ static const char mode_string[] = "rwxst";
+
+ const char *p;
+
+ mode_t andMode =
+ S_ISVTX | S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO;
+ mode_t orMode = 0;
+ mode_t mode;
+ mode_t groups;
+ char type;
+ char c;
+
+ if (s==NULL) {
+ return (FALSE);
+ }
+
+ do {
+ mode = 0;
+ groups = 0;
+ NEXT_GROUP:
+ if ((c = *s++) == '\0') {
+ return -1;
+ }
+ for (p=group_string ; *p ; p++) {
+ if (*p == c) {
+ groups |= group_set[(int)(p-group_string)];
+ goto NEXT_GROUP;
+ }
+ }
+ switch (c) {
+ case '=':
+ case '+':
+ case '-':
+ type = c;
+ if (groups == 0) { /* The default is "all" */
+ groups |= S_ISUID | S_ISGID | S_ISVTX
+ | S_IRWXU | S_IRWXG | S_IRWXO;
+ }
+ break;
+ default:
+ if ((c < '0') || (c > '7') || (mode | groups)) {
+ return (FALSE);
+ } else {
+ *theMode = strtol(--s, NULL, 8);
+ return (TRUE);
+ }
+ }
+
+ NEXT_MODE:
+ if (((c = *s++) != '\0') && (c != ',')) {
+ for (p=mode_string ; *p ; p++) {
+ if (*p == c) {
+ mode |= mode_set[(int)(p-mode_string)];
+ goto NEXT_MODE;
+ }
+ }
+ break; /* We're done so break out of loop.*/
+ }
+ switch (type) {
+ case '=':
+ andMode &= ~(groups); /* Now fall through. */
+ case '+':
+ orMode |= mode & groups;
+ break;
+ case '-':
+ andMode &= ~(mode & groups);
+ orMode &= ~(mode & groups);
+ break;
+ }
+ } while (c == ',');
+
+ *theMode &= andMode;
+ *theMode |= orMode;
+
+ return TRUE;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/parse_number.c b/libbb/parse_number.c
new file mode 100644
index 000000000..c90511dca
--- /dev/null
+++ b/libbb/parse_number.c
@@ -0,0 +1,74 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+unsigned long parse_number(const char *numstr,
+ const struct suffix_mult *suffixes)
+{
+ const struct suffix_mult *sm;
+ unsigned long int ret;
+ int len;
+ char *end;
+
+ ret = strtoul(numstr, &end, 10);
+ if (numstr == end)
+ error_msg_and_die("invalid number `%s'", numstr);
+ while (end[0] != '\0') {
+ sm = suffixes;
+ while ( sm != 0 ) {
+ if(sm->suffix) {
+ len = strlen(sm->suffix);
+ if (strncmp(sm->suffix, end, len) == 0) {
+ ret *= sm->mult;
+ end += len;
+ break;
+ }
+ sm++;
+
+ } else
+ sm = 0;
+ }
+ if (sm == 0)
+ error_msg_and_die("invalid number `%s'", numstr);
+ }
+ return ret;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/print_file.c b/libbb/print_file.c
new file mode 100644
index 000000000..52a39774f
--- /dev/null
+++ b/libbb/print_file.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+extern void print_file(FILE *file)
+{
+ int c;
+
+ while ((c = getc(file)) != EOF)
+ putc(c, stdout);
+ fclose(file);
+ fflush(stdout);
+}
+
+extern int print_file_by_name(char *filename)
+{
+ FILE *file;
+ if ((file = wfopen(filename, "r")) == NULL)
+ return FALSE;
+ print_file(file);
+ return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/process_escape_sequence.c b/libbb/process_escape_sequence.c
new file mode 100644
index 000000000..ad2be94ee
--- /dev/null
+++ b/libbb/process_escape_sequence.c
@@ -0,0 +1,83 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <limits.h>
+#include "libbb.h"
+
+
+
+char process_escape_sequence(char **ptr)
+{
+ static const char charmap[] = {
+ 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', 0,
+ '\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
+
+ const char *p;
+ char *q;
+ int num_digits;
+ unsigned int n;
+
+ n = 0;
+ q = *ptr;
+
+ for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
+ if ((*q < '0') || (*q > '7')) { /* not a digit? */
+ break;
+ }
+ n = n * 8 + (*q++ - '0');
+ }
+
+ if (num_digits == 0) { /* mnemonic escape sequence? */
+ for (p=charmap ; *p ; p++) {
+ if (*p == *q) {
+ q++;
+ break;
+ }
+ }
+ n = *(p+(sizeof(charmap)/2));
+ }
+
+ /* doesn't hurt to fall through to here from mnemonic case */
+ if (n > UCHAR_MAX) { /* is octal code too big for a char? */
+ n /= 8; /* adjust value and */
+ --q; /* back up one char */
+ }
+
+ *ptr = q;
+ return (char) n;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/pwd_grp_wrappers.c b/libbb/pwd_grp_wrappers.c
new file mode 100644
index 000000000..e7b7e3820
--- /dev/null
+++ b/libbb/pwd_grp_wrappers.c
@@ -0,0 +1,109 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "../pwd_grp/pwd.h"
+#include "../pwd_grp/grp.h"
+#include "libbb.h"
+
+
+
+/* returns a uid given a username */
+long my_getpwnam(const char *name)
+{
+ struct passwd *myuser;
+
+ myuser = getpwnam(name);
+ if (myuser==NULL)
+ error_msg_and_die("unknown user name: %s", name);
+
+ return myuser->pw_uid;
+}
+
+/* returns a gid given a group name */
+long my_getgrnam(const char *name)
+{
+ struct group *mygroup;
+
+ mygroup = getgrnam(name);
+ if (mygroup==NULL)
+ error_msg_and_die("unknown group name: %s", name);
+
+ return (mygroup->gr_gid);
+}
+
+/* gets a username given a uid */
+void my_getpwuid(char *name, long uid)
+{
+ struct passwd *myuser;
+
+ myuser = getpwuid(uid);
+ if (myuser==NULL)
+ sprintf(name, "%-8ld ", (long)uid);
+ else
+ strcpy(name, myuser->pw_name);
+}
+
+/* gets a groupname given a gid */
+void my_getgrgid(char *group, long gid)
+{
+ struct group *mygroup;
+
+ mygroup = getgrgid(gid);
+ if (mygroup==NULL)
+ sprintf(group, "%-8ld ", (long)gid);
+ else
+ strcpy(group, mygroup->gr_name);
+}
+
+/* gets a gid given a user name */
+long my_getpwnamegid(const char *name)
+{
+ struct group *mygroup;
+ struct passwd *myuser;
+
+ myuser=getpwnam(name);
+ if (myuser==NULL)
+ error_msg_and_die("unknown user name: %s", name);
+
+ mygroup = getgrgid(myuser->pw_gid);
+ if (mygroup==NULL)
+ error_msg_and_die("unknown gid %ld", (long)myuser->pw_gid);
+
+ return mygroup->gr_gid;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/recursive_action.c b/libbb/recursive_action.c
new file mode 100644
index 000000000..6b93340be
--- /dev/null
+++ b/libbb/recursive_action.c
@@ -0,0 +1,160 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/* same conditions as recursive_action */
+#define bb_need_name_too_long
+#define BB_DECLARE_EXTERN
+#include "../messages.c"
+
+#undef DEBUG_RECURS_ACTION
+
+
+/*
+ * Walk down all the directories under the specified
+ * location, and do something (something specified
+ * by the fileAction and dirAction function pointers).
+ *
+ * Unfortunately, while nftw(3) could replace this and reduce
+ * code size a bit, nftw() wasn't supported before GNU libc 2.1,
+ * and so isn't sufficiently portable to take over since glibc2.1
+ * is so stinking huge.
+ */
+int recursive_action(const char *fileName,
+ int recurse, int followLinks, int depthFirst,
+ int (*fileAction) (const char *fileName,
+ struct stat * statbuf,
+ void* userData),
+ int (*dirAction) (const char *fileName,
+ struct stat * statbuf,
+ void* userData),
+ void* userData)
+{
+ int status;
+ struct stat statbuf;
+ struct dirent *next;
+
+ if (followLinks == TRUE)
+ status = stat(fileName, &statbuf);
+ else
+ status = lstat(fileName, &statbuf);
+
+ if (status < 0) {
+#ifdef DEBUG_RECURS_ACTION
+ fprintf(stderr,
+ "status=%d followLinks=%d TRUE=%d\n",
+ status, followLinks, TRUE);
+#endif
+ perror_msg("%s", fileName);
+ return FALSE;
+ }
+
+ if ((followLinks == FALSE) && (S_ISLNK(statbuf.st_mode))) {
+ if (fileAction == NULL)
+ return TRUE;
+ else
+ return fileAction(fileName, &statbuf, userData);
+ }
+
+ if (recurse == FALSE) {
+ if (S_ISDIR(statbuf.st_mode)) {
+ if (dirAction != NULL)
+ return (dirAction(fileName, &statbuf, userData));
+ else
+ return TRUE;
+ }
+ }
+
+ if (S_ISDIR(statbuf.st_mode)) {
+ DIR *dir;
+
+ if (dirAction != NULL && depthFirst == FALSE) {
+ status = dirAction(fileName, &statbuf, userData);
+ if (status == FALSE) {
+ perror_msg("%s", fileName);
+ return FALSE;
+ } else if (status == SKIP)
+ return TRUE;
+ }
+ dir = opendir(fileName);
+ if (!dir) {
+ perror_msg("%s", fileName);
+ return FALSE;
+ }
+ status = TRUE;
+ while ((next = readdir(dir)) != NULL) {
+ char nextFile[PATH_MAX];
+
+ if ((strcmp(next->d_name, "..") == 0)
+ || (strcmp(next->d_name, ".") == 0)) {
+ continue;
+ }
+ if (strlen(fileName) + strlen(next->d_name) + 1 > PATH_MAX) {
+ error_msg(name_too_long);
+ return FALSE;
+ }
+ memset(nextFile, 0, sizeof(nextFile));
+ if (fileName[strlen(fileName)-1] == '/')
+ sprintf(nextFile, "%s%s", fileName, next->d_name);
+ else
+ sprintf(nextFile, "%s/%s", fileName, next->d_name);
+ if (recursive_action(nextFile, TRUE, followLinks, depthFirst,
+ fileAction, dirAction, userData) == FALSE) {
+ status = FALSE;
+ }
+ }
+ closedir(dir);
+ if (dirAction != NULL && depthFirst == TRUE) {
+ if (dirAction(fileName, &statbuf, userData) == FALSE) {
+ perror_msg("%s", fileName);
+ return FALSE;
+ }
+ }
+ if (status == FALSE)
+ return FALSE;
+ } else {
+ if (fileAction == NULL)
+ return TRUE;
+ else
+ return fileAction(fileName, &statbuf, userData);
+ }
+ return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/safe_read.c b/libbb/safe_read.c
new file mode 100644
index 000000000..dbf4aa7e4
--- /dev/null
+++ b/libbb/safe_read.c
@@ -0,0 +1,54 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include "libbb.h"
+
+
+
+ssize_t safe_read(int fd, void *buf, size_t count)
+{
+ ssize_t n;
+
+ do {
+ n = read(fd, buf, count);
+ } while (n < 0 && errno == EINTR);
+
+ return n;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/safe_strncpy.c b/libbb/safe_strncpy.c
new file mode 100644
index 000000000..55ec79802
--- /dev/null
+++ b/libbb/safe_strncpy.c
@@ -0,0 +1,48 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <string.h>
+#include "libbb.h"
+
+
+
+/* Like strncpy but make sure the resulting string is always 0 terminated. */
+extern char * safe_strncpy(char *dst, const char *src, size_t size)
+{
+ dst[size-1] = '\0';
+ return strncpy(dst, src, size-1);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/syscalls.c b/libbb/syscalls.c
new file mode 100644
index 000000000..021154602
--- /dev/null
+++ b/libbb/syscalls.c
@@ -0,0 +1,76 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <sys/syscall.h>
+#include <linux/unistd.h>
+
+#include "libbb.h"
+
+
+_syscall1(int, sysinfo, struct sysinfo *, info);
+
+/* Include our own version of <sys/mount.h>, since libc5 doesn't
+ * know about umount2 */
+extern _syscall1(int, umount, const char *, special_file);
+extern _syscall5(int, mount, const char *, special_file, const char *, dir,
+ const char *, fstype, unsigned long int, rwflag, const void *, data);
+
+#ifndef __NR_umount2
+# warning This kernel does not support the umount2 syscall
+# warning The umount2 system call is being stubbed out...
+int umount2(const char * special_file, int flags)
+{
+ /* BusyBox was compiled against a kernel that did not support
+ * the umount2 system call. To make this application work,
+ * you will need to recompile with a kernel supporting the
+ * umount2 system call.
+ */
+ fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
+ fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
+ errno=ENOSYS;
+ return -1;
+}
+# else
+extern _syscall2(int, umount2, const char *, special_file, int, flags);
+#endif
+
+#ifndef __NR_query_module
+static const int __NR_query_module = 167;
+#endif
+_syscall5(int, query_module, const char *, name, int, which,
+ void *, buf, size_t, bufsize, size_t*, ret);
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/syslog_msg_with_name.c b/libbb/syslog_msg_with_name.c
new file mode 100644
index 000000000..d72755a37
--- /dev/null
+++ b/libbb/syslog_msg_with_name.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/syslog.h>
+#include "libbb.h"
+
+extern const char *applet_name;
+
+void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg)
+{
+ openlog(name, 0, facility);
+ syslog(pri, "%s", msg);
+ closelog();
+}
+
+void syslog_msg(int facility, int pri, const char *msg)
+{
+ syslog_msg_with_name(applet_name, facility, pri, msg);
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/time_string.c b/libbb/time_string.c
new file mode 100644
index 000000000..076529006
--- /dev/null
+++ b/libbb/time_string.c
@@ -0,0 +1,68 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <utime.h>
+#include "libbb.h"
+
+
+/*
+ * Return the standard ls-like time string from a time_t
+ * This is static and so is overwritten on each call.
+ */
+const char *time_string(time_t timeVal)
+{
+ time_t now;
+ char *str;
+ static char buf[26];
+
+ time(&now);
+
+ str = ctime(&timeVal);
+
+ strcpy(buf, &str[4]);
+ buf[12] = '\0';
+
+ if ((timeVal > now) || (timeVal < now - 365 * 24 * 60 * 60L)) {
+ strcpy(&buf[7], &str[20]);
+ buf[11] = '\0';
+ }
+
+ return buf;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/trim.c b/libbb/trim.c
new file mode 100644
index 000000000..8a9b07a14
--- /dev/null
+++ b/libbb/trim.c
@@ -0,0 +1,52 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "libbb.h"
+
+
+void trim(char *s)
+{
+ /* trim trailing whitespace */
+ while (isspace(s[strlen(s)-1]))
+ s[strlen(s)-1]='\0';
+
+ /* trim leading whitespace */
+ memmove(s, &s[strspn(s, " \n\r\t\v")], strlen(s));
+
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/vdprintf.c b/libbb/vdprintf.c
new file mode 100644
index 000000000..a18291b3b
--- /dev/null
+++ b/libbb/vdprintf.c
@@ -0,0 +1,52 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+#if (__GLIBC__ < 2)
+extern int vdprintf(int d, const char *format, va_list ap)
+{
+ char buf[BUF_SIZE];
+ int len;
+
+ len = vsprintf(buf, format, ap);
+ return write(d, buf, len);
+}
+#endif
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/wfopen.c b/libbb/wfopen.c
new file mode 100644
index 000000000..8b074d2f7
--- /dev/null
+++ b/libbb/wfopen.c
@@ -0,0 +1,50 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "libbb.h"
+
+FILE *wfopen(const char *path, const char *mode)
+{
+ FILE *fp;
+ if ((fp = fopen(path, mode)) == NULL) {
+ perror_msg("%s", path);
+ errno = 0;
+ }
+ return fp;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
new file mode 100644
index 000000000..e7f41aae2
--- /dev/null
+++ b/libbb/xfuncs.c
@@ -0,0 +1,107 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "libbb.h"
+
+/* same conditions as recursive_action */
+#define bb_need_memory_exhausted
+#define BB_DECLARE_EXTERN
+#include "../messages.c"
+
+
+#ifndef DMALLOC
+extern void *xmalloc(size_t size)
+{
+ void *ptr = malloc(size);
+
+ if (!ptr)
+ error_msg_and_die(memory_exhausted);
+ return ptr;
+}
+
+extern void *xrealloc(void *old, size_t size)
+{
+ void *ptr = realloc(old, size);
+ if (!ptr)
+ error_msg_and_die(memory_exhausted);
+ return ptr;
+}
+
+extern void *xcalloc(size_t nmemb, size_t size)
+{
+ void *ptr = calloc(nmemb, size);
+ if (!ptr)
+ error_msg_and_die(memory_exhausted);
+ return ptr;
+}
+
+extern char * xstrdup (const char *s) {
+ char *t;
+
+ if (s == NULL)
+ return NULL;
+
+ t = strdup (s);
+
+ if (t == NULL)
+ error_msg_and_die(memory_exhausted);
+
+ return t;
+}
+#endif
+
+extern char * xstrndup (const char *s, int n) {
+ char *t;
+
+ if (s == NULL)
+ error_msg_and_die("xstrndup bug");
+
+ t = xmalloc(++n);
+
+ return safe_strncpy(t,s,n);
+}
+
+FILE *xfopen(const char *path, const char *mode)
+{
+ FILE *fp;
+ if ((fp = fopen(path, mode)) == NULL)
+ perror_msg_and_die("%s", path);
+ return fp;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/xregcomp.c b/libbb/xregcomp.c
new file mode 100644
index 000000000..6f5e2f0cb
--- /dev/null
+++ b/libbb/xregcomp.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+#include <regex.h>
+
+
+
+void xregcomp(regex_t *preg, const char *regex, int cflags)
+{
+ int ret;
+ if ((ret = regcomp(preg, regex, cflags)) != 0) {
+ int errmsgsz = regerror(ret, preg, NULL, 0);
+ char *errmsg = xmalloc(errmsgsz);
+ regerror(ret, preg, errmsg, errmsgsz);
+ error_msg_and_die("xregcomp: %s", errmsg);
+ }
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/mtab_file.c b/mtab_file.c
new file mode 100644
index 000000000..3235e35d6
--- /dev/null
+++ b/mtab_file.c
@@ -0,0 +1,52 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "busybox.h"
+
+
+/* Busybox mount uses either /proc/mounts or /dev/mtab to
+ * get the list of currently mounted filesystems */
+#if defined BB_MTAB
+const char mtab_file[] = "/etc/mtab";
+#else
+# if defined BB_FEATURE_USE_DEVPS_PATCH
+ const char mtab_file[] = "/dev/mtab";
+# else
+ const char mtab_file[] = "/proc/mounts";
+# endif
+#endif
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/utility.c b/utility.c
deleted file mode 100644
index 8408a6cfa..000000000
--- a/utility.c
+++ /dev/null
@@ -1,1887 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Utility routines.
- *
- * Copyright (C) tons of folks. Tracking down who wrote what
- * isn't something I'm going to worry about... If you wrote something
- * here, please feel free to acknowledge your work.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
- * Permission has been granted to redistribute this code under the GPL.
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <time.h>
-#include <utime.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h> /* for uname(2) */
-
-#include "busybox.h"
-#if defined (BB_CHMOD_CHOWN_CHGRP) \
- || defined (BB_CP_MV) \
- || defined (BB_FIND) \
- || defined (BB_INSMOD) \
- || defined (BB_LS) \
- || defined (BB_RM) \
- || defined (BB_TAR)
-/* same conditions as recursive_action */
-#define bb_need_name_too_long
-#endif
-#define bb_need_memory_exhausted
-#define bb_need_full_version
-#define BB_DECLARE_EXTERN
-#include "messages.c"
-
-#include "pwd_grp/pwd.h"
-#include "pwd_grp/grp.h"
-
-/* for the _syscall() macros */
-#include <sys/syscall.h>
-#include <linux/unistd.h>
-
-/* Busybox mount uses either /proc/mounts or /dev/mtab to
- * get the list of currently mounted filesystems */
-#if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
-# if defined BB_MTAB
-const char mtab_file[] = "/etc/mtab";
-# else
-# if defined BB_FEATURE_USE_DEVPS_PATCH
-const char mtab_file[] = "/dev/mtab";
-# else
-const char mtab_file[] = "/proc/mounts";
-# endif
-# endif
-#endif
-
-#if defined(BB_KLOGD) || defined(BB_LOGGER)
-#include <syslog.h>
-#endif
-
-static struct BB_applet *applet_using;
-
-extern void show_usage(void)
-{
- const char *format_string;
- const char *usage_string = usage_messages;
- int i;
-
- for (i = applet_using - applets; i > 0; ) {
- if (!*usage_string++) {
- --i;
- }
- }
- format_string = "%s\n\nUsage: %s %s\n\n";
- if(*usage_string == 0)
- format_string = "%s\n\nNo help available.\n\n";
- fprintf(stderr, format_string,
- full_version, applet_using->name, usage_string);
- exit(EXIT_FAILURE);
-}
-
-
-static void verror_msg(const char *s, va_list p)
-{
- fflush(stdout);
- fprintf(stderr, "%s: ", applet_name);
- vfprintf(stderr, s, p);
-}
-
-extern void error_msg(const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- verror_msg(s, p);
- va_end(p);
- putc('\n', stderr);
-}
-
-extern void error_msg_and_die(const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- verror_msg(s, p);
- va_end(p);
- putc('\n', stderr);
- exit(EXIT_FAILURE);
-}
-
-static void vperror_msg(const char *s, va_list p)
-{
- int err=errno;
- if(s == 0) s = "";
- verror_msg(s, p);
- if (*s) s = ": ";
- fprintf(stderr, "%s%s\n", s, strerror(err));
-}
-
-extern void perror_msg(const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- vperror_msg(s, p);
- va_end(p);
-}
-
-extern void perror_msg_and_die(const char *s, ...)
-{
- va_list p;
-
- va_start(p, s);
- vperror_msg(s, p);
- va_end(p);
- exit(EXIT_FAILURE);
-}
-
-#if defined BB_INIT || defined BB_MKSWAP || defined BB_MOUNT || defined BB_NFSMOUNT || defined BB_FEATURE_IFCONFIG_STATUS
-/* Returns kernel version encoded as major*65536 + minor*256 + patch,
- * so, for example, to check if the kernel is greater than 2.2.11:
- * if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
- */
-extern int get_kernel_revision(void)
-{
- struct utsname name;
- char *s;
- int i, r;
-
- if (uname(&name) == -1) {
- perror_msg("cannot get system information");
- return (0);
- }
-
- s = name.release;
- r = 0;
- for (i=0 ; i<3 ; i++) {
- r = r * 256 + atoi(strtok(s, "."));
- s = NULL;
- }
- return r;
-}
-#endif /* BB_INIT */
-
-
-
-#if defined BB_FREE || defined BB_INIT || defined BB_UNAME || defined BB_UPTIME
-_syscall1(int, sysinfo, struct sysinfo *, info);
-#endif /* BB_INIT */
-
-#if defined BB_MOUNT || defined BB_UMOUNT
-
-/* Include our own version of <sys/mount.h>, since libc5 doesn't
- * know about umount2 */
-extern _syscall1(int, umount, const char *, special_file);
-extern _syscall5(int, mount, const char *, special_file, const char *, dir,
- const char *, fstype, unsigned long int, rwflag, const void *, data);
-#ifndef __NR_umount2
-# warning This kernel does not support the umount2 syscall
-# warning The umount2 system call is being stubbed out...
- int umount2(const char * special_file, int flags)
- {
- /* BusyBox was compiled against a kernel that did not support
- * the umount2 system call. To make this application work,
- * you will need to recompile with a kernel supporting the
- * umount2 system call.
- */
- fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
- fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
- errno=ENOSYS;
- return -1;
- }
-# else
- extern _syscall2(int, umount2, const char *, special_file, int, flags);
-# endif
-#endif
-
-
-
-#if defined BB_FEATURE_NEW_MODULE_INTERFACE && ( defined BB_INSMOD || defined BB_LSMOD )
-#ifndef __NR_query_module
-static const int __NR_query_module = 167;
-#endif
-_syscall5(int, query_module, const char *, name, int, which,
- void *, buf, size_t, bufsize, size_t*, ret);
-#endif
-
-
-#if defined (BB_CP_MV) || defined (BB_DU)
-
-#define HASH_SIZE 311 /* Should be prime */
-#define hash_inode(i) ((i) % HASH_SIZE)
-
-static ino_dev_hashtable_bucket_t *ino_dev_hashtable[HASH_SIZE];
-
-/*
- * Return 1 if statbuf->st_ino && statbuf->st_dev are recorded in
- * `ino_dev_hashtable', else return 0
- *
- * If NAME is a non-NULL pointer to a character pointer, and there is
- * a match, then set *NAME to the value of the name slot in that
- * bucket.
- */
-int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name)
-{
- ino_dev_hashtable_bucket_t *bucket;
-
- bucket = ino_dev_hashtable[hash_inode(statbuf->st_ino)];
- while (bucket != NULL) {
- if ((bucket->ino == statbuf->st_ino) &&
- (bucket->dev == statbuf->st_dev))
- {
- if (name) *name = bucket->name;
- return 1;
- }
- bucket = bucket->next;
- }
- return 0;
-}
-
-/* Add statbuf to statbuf hash table */
-void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name)
-{
- int i;
- size_t s;
- ino_dev_hashtable_bucket_t *bucket;
-
- i = hash_inode(statbuf->st_ino);
- s = name ? strlen(name) : 0;
- bucket = xmalloc(sizeof(ino_dev_hashtable_bucket_t) + s);
- bucket->ino = statbuf->st_ino;
- bucket->dev = statbuf->st_dev;
- if (name)
- strcpy(bucket->name, name);
- else
- bucket->name[0] = '\0';
- bucket->next = ino_dev_hashtable[i];
- ino_dev_hashtable[i] = bucket;
-}
-
-/* Clear statbuf hash table */
-void reset_ino_dev_hashtable(void)
-{
- int i;
- ino_dev_hashtable_bucket_t *bucket;
-
- for (i = 0; i < HASH_SIZE; i++) {
- while (ino_dev_hashtable[i] != NULL) {
- bucket = ino_dev_hashtable[i]->next;
- free(ino_dev_hashtable[i]);
- ino_dev_hashtable[i] = bucket;
- }
- }
-}
-
-#endif /* BB_CP_MV || BB_DU */
-
-#if defined (BB_CP_MV) || defined (BB_DU) || defined (BB_LN) || defined (BB_DPKG_DEB)
-/*
- * Return TRUE if a fileName is a directory.
- * Nonexistant files return FALSE.
- */
-int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
-{
- int status;
- int didMalloc = 0;
-
- if (statBuf == NULL) {
- statBuf = (struct stat *)xmalloc(sizeof(struct stat));
- ++didMalloc;
- }
-
- if (followLinks == TRUE)
- status = stat(fileName, statBuf);
- else
- status = lstat(fileName, statBuf);
-
- if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
- status = FALSE;
- }
- else status = TRUE;
-
- if (didMalloc) {
- free(statBuf);
- statBuf = NULL;
- }
- return status;
-}
-#endif
-
-#if defined BB_AR || defined BB_CP_MV
-/*
- * Copy chunksize bytes between two file descriptors
- */
-int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
-{
- size_t size;
- char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
-
- while (chunksize > 0) {
- if (chunksize > BUFSIZ)
- size = BUFSIZ;
- else
- size = chunksize;
- if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
- return(FALSE);
- chunksize -= size;
- }
- return (TRUE);
-}
-#endif
-
-
-#if defined (BB_CP_MV) || defined BB_DPKG
-/*
- * Copy one file to another, while possibly preserving its modes, times, and
- * modes. Returns TRUE if successful, or FALSE on a failure with an error
- * message output. (Failure is not indicated if attributes cannot be set.)
- * -Erik Andersen
- */
-int
-copy_file(const char *srcName, const char *destName,
- int setModes, int followLinks, int forceFlag)
-{
- int rfd;
- int wfd;
- int status;
- struct stat srcStatBuf;
- struct stat dstStatBuf;
- struct utimbuf times;
-
- if (followLinks == TRUE)
- status = stat(srcName, &srcStatBuf);
- else
- status = lstat(srcName, &srcStatBuf);
-
- if (status < 0) {
- perror_msg("%s", srcName);
- return FALSE;
- }
-
- if (followLinks == TRUE)
- status = stat(destName, &dstStatBuf);
- else
- status = lstat(destName, &dstStatBuf);
-
- if (status < 0 || forceFlag==TRUE) {
- unlink(destName);
- dstStatBuf.st_ino = -1;
- dstStatBuf.st_dev = -1;
- }
-
- if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
- (srcStatBuf.st_ino == dstStatBuf.st_ino)) {
- error_msg("Copying file \"%s\" to itself", srcName);
- return FALSE;
- }
-
- if (S_ISDIR(srcStatBuf.st_mode)) {
- //fprintf(stderr, "copying directory %s to %s\n", srcName, destName);
- /* Make sure the directory is writable */
- status = mkdir(destName, 0777777 ^ umask(0));
- if (status < 0 && errno != EEXIST) {
- perror_msg("%s", destName);
- return FALSE;
- }
- } else if (S_ISLNK(srcStatBuf.st_mode)) {
- char link_val[BUFSIZ + 1];
- int link_size;
-
- //fprintf(stderr, "copying link %s to %s\n", srcName, destName);
- /* Warning: This could possibly truncate silently, to BUFSIZ chars */
- link_size = readlink(srcName, &link_val[0], BUFSIZ);
- if (link_size < 0) {
- perror_msg("%s", srcName);
- return FALSE;
- }
- link_val[link_size] = '\0';
- status = symlink(link_val, destName);
- if (status < 0) {
- perror_msg("%s", destName);
- return FALSE;
- }
-#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
- if (setModes == TRUE) {
- /* Try to set owner, but fail silently like GNU cp */
- lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
- }
-#endif
- return TRUE;
- } else if (S_ISFIFO(srcStatBuf.st_mode)) {
- //fprintf(stderr, "copying fifo %s to %s\n", srcName, destName);
- if (mkfifo(destName, 0644) < 0) {
- perror_msg("%s", destName);
- return FALSE;
- }
- } else if (S_ISBLK(srcStatBuf.st_mode) || S_ISCHR(srcStatBuf.st_mode)
- || S_ISSOCK(srcStatBuf.st_mode)) {
- //fprintf(stderr, "copying soc, blk, or chr %s to %s\n", srcName, destName);
- if (mknod(destName, srcStatBuf.st_mode, srcStatBuf.st_rdev) < 0) {
- perror_msg("%s", destName);
- return FALSE;
- }
- } else if (S_ISREG(srcStatBuf.st_mode)) {
- //fprintf(stderr, "copying regular file %s to %s\n", srcName, destName);
- rfd = open(srcName, O_RDONLY);
- if (rfd < 0) {
- perror_msg("%s", srcName);
- return FALSE;
- }
-
- wfd = open(destName, O_WRONLY | O_CREAT | O_TRUNC,
- srcStatBuf.st_mode);
- if (wfd < 0) {
- perror_msg("%s", destName);
- close(rfd);
- return FALSE;
- }
-
- if (copy_file_chunk(rfd, wfd, srcStatBuf.st_size)==FALSE)
- goto error_exit;
-
- close(rfd);
- if (close(wfd) < 0) {
- return FALSE;
- }
- }
-
- if (setModes == TRUE) {
- /* This is fine, since symlinks never get here */
- if (chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0)
- perror_msg_and_die("%s", destName);
- if (chmod(destName, srcStatBuf.st_mode) < 0)
- perror_msg_and_die("%s", destName);
- times.actime = srcStatBuf.st_atime;
- times.modtime = srcStatBuf.st_mtime;
- if (utime(destName, &times) < 0)
- perror_msg_and_die("%s", destName);
- }
-
- return TRUE;
-
- error_exit:
- perror_msg("%s", destName);
- close(rfd);
- close(wfd);
-
- return FALSE;
-}
-#endif /* BB_CP_MV */
-
-
-
-#if defined BB_TAR || defined BB_LS ||defined BB_AR
-
-#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
-#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
-
-/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
-static const mode_t SBIT[] = {
- 0, 0, S_ISUID,
- 0, 0, S_ISGID,
- 0, 0, S_ISVTX
-};
-
-/* The 9 mode bits to test */
-static const mode_t MBIT[] = {
- S_IRUSR, S_IWUSR, S_IXUSR,
- S_IRGRP, S_IWGRP, S_IXGRP,
- S_IROTH, S_IWOTH, S_IXOTH
-};
-
-static const char MODE1[] = "rwxrwxrwx";
-static const char MODE0[] = "---------";
-static const char SMODE1[] = "..s..s..t";
-static const char SMODE0[] = "..S..S..T";
-
-/*
- * Return the standard ls-like mode string from a file mode.
- * This is static and so is overwritten on each call.
- */
-const char *mode_string(int mode)
-{
- static char buf[12];
-
- int i;
-
- buf[0] = TYPECHAR(mode);
- for (i = 0; i < 9; i++) {
- if (mode & SBIT[i])
- buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
- else
- buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
- }
- return buf;
-}
-#endif /* BB_TAR || BB_LS */
-
-
-#if defined BB_TAR || defined BB_AR
-/*
- * Return the standard ls-like time string from a time_t
- * This is static and so is overwritten on each call.
- */
-const char *time_string(time_t timeVal)
-{
- time_t now;
- char *str;
- static char buf[26];
-
- time(&now);
-
- str = ctime(&timeVal);
-
- strcpy(buf, &str[4]);
- buf[12] = '\0';
-
- if ((timeVal > now) || (timeVal < now - 365 * 24 * 60 * 60L)) {
- strcpy(&buf[7], &str[20]);
- buf[11] = '\0';
- }
-
- return buf;
-}
-#endif /* BB_TAR || BB_AR */
-
-#if defined BB_DD || defined BB_NC || defined BB_TAIL || defined BB_TAR || defined BB_AR || defined BB_CP_MV
-/*
- * Write all of the supplied buffer out to a file.
- * This does multiple writes as necessary.
- * Returns the amount written, or -1 on an error.
- */
-int full_write(int fd, const char *buf, int len)
-{
- int cc;
- int total;
-
- total = 0;
-
- while (len > 0) {
- cc = write(fd, buf, len);
-
- if (cc < 0)
- return -1;
-
- buf += cc;
- total += cc;
- len -= cc;
- }
-
- return total;
-}
-#endif
-
-#if defined BB_AR || defined BB_CP_MV || defined BB_SH || defined BB_TAR
-/*
- * Read all of the supplied buffer from a file.
- * This does multiple reads as necessary.
- * Returns the amount read, or -1 on an error.
- * A short read is returned on an end of file.
- */
-int full_read(int fd, char *buf, int len)
-{
- int cc;
- int total;
-
- total = 0;
-
- while (len > 0) {
- cc = read(fd, buf, len);
-
- if (cc < 0)
- return -1;
-
- if (cc == 0)
- break;
-
- buf += cc;
- total += cc;
- len -= cc;
- }
-
- return total;
-}
-#endif /* BB_TAR || BB_TAIL || BB_AR || BB_SH */
-
-
-#if defined (BB_CHMOD_CHOWN_CHGRP) \
- || defined (BB_CP_MV) \
- || defined (BB_FIND) \
- || defined (BB_INSMOD) \
- || defined (BB_LS) \
- || defined (BB_RM) \
- || defined (BB_TAR)
-
-/*
- * Walk down all the directories under the specified
- * location, and do something (something specified
- * by the fileAction and dirAction function pointers).
- *
- * Unfortunately, while nftw(3) could replace this and reduce
- * code size a bit, nftw() wasn't supported before GNU libc 2.1,
- * and so isn't sufficiently portable to take over since glibc2.1
- * is so stinking huge.
- */
-int recursive_action(const char *fileName,
- int recurse, int followLinks, int depthFirst,
- int (*fileAction) (const char *fileName,
- struct stat * statbuf,
- void* userData),
- int (*dirAction) (const char *fileName,
- struct stat * statbuf,
- void* userData),
- void* userData)
-{
- int status;
- struct stat statbuf;
- struct dirent *next;
-
- if (followLinks == TRUE)
- status = stat(fileName, &statbuf);
- else
- status = lstat(fileName, &statbuf);
-
- if (status < 0) {
-#ifdef BB_DEBUG_PRINT_SCAFFOLD
- fprintf(stderr,
- "status=%d followLinks=%d TRUE=%d\n",
- status, followLinks, TRUE);
-#endif
- perror_msg("%s", fileName);
- return FALSE;
- }
-
- if ((followLinks == FALSE) && (S_ISLNK(statbuf.st_mode))) {
- if (fileAction == NULL)
- return TRUE;
- else
- return fileAction(fileName, &statbuf, userData);
- }
-
- if (recurse == FALSE) {
- if (S_ISDIR(statbuf.st_mode)) {
- if (dirAction != NULL)
- return (dirAction(fileName, &statbuf, userData));
- else
- return TRUE;
- }
- }
-
- if (S_ISDIR(statbuf.st_mode)) {
- DIR *dir;
-
- if (dirAction != NULL && depthFirst == FALSE) {
- status = dirAction(fileName, &statbuf, userData);
- if (status == FALSE) {
- perror_msg("%s", fileName);
- return FALSE;
- } else if (status == SKIP)
- return TRUE;
- }
- dir = opendir(fileName);
- if (!dir) {
- perror_msg("%s", fileName);
- return FALSE;
- }
- status = TRUE;
- while ((next = readdir(dir)) != NULL) {
- char nextFile[PATH_MAX];
-
- if ((strcmp(next->d_name, "..") == 0)
- || (strcmp(next->d_name, ".") == 0)) {
- continue;
- }
- if (strlen(fileName) + strlen(next->d_name) + 1 > PATH_MAX) {
- error_msg(name_too_long);
- return FALSE;
- }
- memset(nextFile, 0, sizeof(nextFile));
- if (fileName[strlen(fileName)-1] == '/')
- sprintf(nextFile, "%s%s", fileName, next->d_name);
- else
- sprintf(nextFile, "%s/%s", fileName, next->d_name);
- if (recursive_action(nextFile, TRUE, followLinks, depthFirst,
- fileAction, dirAction, userData) == FALSE) {
- status = FALSE;
- }
- }
- closedir(dir);
- if (dirAction != NULL && depthFirst == TRUE) {
- if (dirAction(fileName, &statbuf, userData) == FALSE) {
- perror_msg("%s", fileName);
- return FALSE;
- }
- }
- if (status == FALSE)
- return FALSE;
- } else {
- if (fileAction == NULL)
- return TRUE;
- else
- return fileAction(fileName, &statbuf, userData);
- }
- return TRUE;
-}
-
-#endif /* BB_CHMOD_CHOWN_CHGRP || BB_CP_MV || BB_FIND || BB_LS || BB_INSMOD */
-
-
-
-#if defined (BB_TAR) || defined (BB_MKDIR)
-/*
- * Attempt to create the directories along the specified path, except for
- * the final component. The mode is given for the final directory only,
- * while all previous ones get default protections. Errors are not reported
- * here, as failures to restore files can be reported later.
- */
-extern int create_path(const char *name, int mode)
-{
- char *cp;
- char *cpOld;
- char buf[BUFSIZ + 1];
- int retVal = 0;
-
- strcpy(buf, name);
- for (cp = buf; *cp == '/'; cp++);
- cp = strchr(cp, '/');
- while (cp) {
- cpOld = cp;
- cp = strchr(cp + 1, '/');
- *cpOld = '\0';
- retVal = mkdir(buf, cp ? 0777 : mode);
- if (retVal != 0 && errno != EEXIST) {
- perror_msg("%s", buf);
- return FALSE;
- }
- *cpOld = '/';
- }
- return TRUE;
-}
-#endif /* BB_TAR || BB_MKDIR */
-
-
-
-#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_MKDIR) \
- || defined (BB_MKFIFO) || defined (BB_MKNOD) || defined (BB_AR)
-/* [ugoa]{+|-|=}[rwxst] */
-
-extern int parse_mode(const char *s, mode_t * theMode)
-{
- static const mode_t group_set[] = {
- S_ISUID | S_IRWXU, /* u */
- S_ISGID | S_IRWXG, /* g */
- S_IRWXO, /* o */
- S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO /* a */
- };
-
- static const mode_t mode_set[] = {
- S_IRUSR | S_IRGRP | S_IROTH, /* r */
- S_IWUSR | S_IWGRP | S_IWOTH, /* w */
- S_IXUSR | S_IXGRP | S_IXOTH, /* x */
- S_ISUID | S_ISGID, /* s */
- S_ISVTX /* t */
- };
-
- static const char group_string[] = "ugoa";
- static const char mode_string[] = "rwxst";
-
- const char *p;
-
- mode_t andMode =
- S_ISVTX | S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO;
- mode_t orMode = 0;
- mode_t mode;
- mode_t groups;
- char type;
- char c;
-
- if (s==NULL) {
- return (FALSE);
- }
-
- do {
- mode = 0;
- groups = 0;
- NEXT_GROUP:
- if ((c = *s++) == '\0') {
- return -1;
- }
- for (p=group_string ; *p ; p++) {
- if (*p == c) {
- groups |= group_set[(int)(p-group_string)];
- goto NEXT_GROUP;
- }
- }
- switch (c) {
- case '=':
- case '+':
- case '-':
- type = c;
- if (groups == 0) { /* The default is "all" */
- groups |= S_ISUID | S_ISGID | S_ISVTX
- | S_IRWXU | S_IRWXG | S_IRWXO;
- }
- break;
- default:
- if ((c < '0') || (c > '7') || (mode | groups)) {
- return (FALSE);
- } else {
- *theMode = strtol(--s, NULL, 8);
- return (TRUE);
- }
- }
-
- NEXT_MODE:
- if (((c = *s++) != '\0') && (c != ',')) {
- for (p=mode_string ; *p ; p++) {
- if (*p == c) {
- mode |= mode_set[(int)(p-mode_string)];
- goto NEXT_MODE;
- }
- }
- break; /* We're done so break out of loop.*/
- }
- switch (type) {
- case '=':
- andMode &= ~(groups); /* Now fall through. */
- case '+':
- orMode |= mode & groups;
- break;
- case '-':
- andMode &= ~(mode & groups);
- orMode &= ~(mode & groups);
- break;
- }
- } while (c == ',');
-
- *theMode &= andMode;
- *theMode |= orMode;
-
- return TRUE;
-}
-
-#endif
-/* BB_CHMOD_CHOWN_CHGRP || BB_MKDIR || BB_MKFIFO || BB_MKNOD */
-
-
-
-
-
-#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_PS || defined BB_LS \
- || defined BB_TAR || defined BB_ID || defined BB_LOGGER \
- || defined BB_LOGNAME || defined BB_WHOAMI || defined BB_SH
-
-#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_ID
-/* returns a uid given a username */
-long my_getpwnam(const char *name)
-{
- struct passwd *myuser;
-
- myuser = getpwnam(name);
- if (myuser==NULL)
- error_msg_and_die("unknown user name: %s", name);
-
- return myuser->pw_uid;
-}
-
-/* returns a gid given a group name */
-long my_getgrnam(const char *name)
-{
- struct group *mygroup;
-
- mygroup = getgrnam(name);
- if (mygroup==NULL)
- error_msg_and_die("unknown group name: %s", name);
-
- return (mygroup->gr_gid);
-}
-#endif
-
-/* gets a username given a uid */
-void my_getpwuid(char *name, long uid)
-{
- struct passwd *myuser;
-
- myuser = getpwuid(uid);
- if (myuser==NULL)
- sprintf(name, "%-8ld ", (long)uid);
- else
- strcpy(name, myuser->pw_name);
-}
-
-/* gets a groupname given a gid */
-void my_getgrgid(char *group, long gid)
-{
- struct group *mygroup;
-
- mygroup = getgrgid(gid);
- if (mygroup==NULL)
- sprintf(group, "%-8ld ", (long)gid);
- else
- strcpy(group, mygroup->gr_name);
-}
-
-#if defined BB_ID
-/* gets a gid given a user name */
-long my_getpwnamegid(const char *name)
-{
- struct group *mygroup;
- struct passwd *myuser;
-
- myuser=getpwnam(name);
- if (myuser==NULL)
- error_msg_and_die("unknown user name: %s", name);
-
- mygroup = getgrgid(myuser->pw_gid);
- if (mygroup==NULL)
- error_msg_and_die("unknown gid %ld", (long)myuser->pw_gid);
-
- return mygroup->gr_gid;
-}
-#endif /* BB_ID */
-#endif
- /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR \
- || BB_ID || BB_LOGGER || BB_LOGNAME || BB_WHOAMI */
-
-
-#if (defined BB_CHVT) || (defined BB_DEALLOCVT) || (defined BB_SETKEYCODES)
-
-/* From <linux/kd.h> */
-static const int KDGKBTYPE = 0x4B33; /* get keyboard type */
-static const int KB_84 = 0x01;
-static const int KB_101 = 0x02; /* this is what we always answer */
-
-int is_a_console(int fd)
-{
- char arg;
-
- arg = 0;
- return (ioctl(fd, KDGKBTYPE, &arg) == 0
- && ((arg == KB_101) || (arg == KB_84)));
-}
-
-static int open_a_console(char *fnam)
-{
- int fd;
-
- /* try read-only */
- fd = open(fnam, O_RDWR);
-
- /* if failed, try read-only */
- if (fd < 0 && errno == EACCES)
- fd = open(fnam, O_RDONLY);
-
- /* if failed, try write-only */
- if (fd < 0 && errno == EACCES)
- fd = open(fnam, O_WRONLY);
-
- /* if failed, fail */
- if (fd < 0)
- return -1;
-
- /* if not a console, fail */
- if (!is_a_console(fd)) {
- close(fd);
- return -1;
- }
-
- /* success */
- return fd;
-}
-
-/*
- * Get an fd for use with kbd/console ioctls.
- * We try several things because opening /dev/console will fail
- * if someone else used X (which does a chown on /dev/console).
- *
- * if tty_name is non-NULL, try this one instead.
- */
-
-int get_console_fd(char *tty_name)
-{
- int fd;
-
- if (tty_name) {
- if (-1 == (fd = open_a_console(tty_name)))
- return -1;
- else
- return fd;
- }
-
- fd = open_a_console("/dev/tty");
- if (fd >= 0)
- return fd;
-
- fd = open_a_console("/dev/tty0");
- if (fd >= 0)
- return fd;
-
- fd = open_a_console("/dev/console");
- if (fd >= 0)
- return fd;
-
- for (fd = 0; fd < 3; fd++)
- if (is_a_console(fd))
- return fd;
-
- error_msg("Couldnt get a file descriptor referring to the console");
- return -1; /* total failure */
-}
-
-
-#endif /* BB_CHVT || BB_DEALLOCVT || BB_SETKEYCODES */
-
-
-#if defined BB_FIND || defined BB_INSMOD
-/*
- * Routine to see if a text string is matched by a wildcard pattern.
- * Returns TRUE if the text is matched, or FALSE if it is not matched
- * or if the pattern is invalid.
- * * matches zero or more characters
- * ? matches a single character
- * [abc] matches 'a', 'b' or 'c'
- * \c quotes character c
- * Adapted from code written by Ingo Wilken, and
- * then taken from sash, Copyright (c) 1999 by David I. Bell
- * Permission is granted to use, distribute, or modify this source,
- * provided that this copyright notice remains intact.
- * Permission to distribute this code under the GPL has been granted.
- */
-extern int check_wildcard_match(const char *text, const char *pattern)
-{
- const char *retryPat;
- const char *retryText;
- int ch;
- int found;
- int len;
-
- retryPat = NULL;
- retryText = NULL;
-
- while (*text || *pattern) {
- ch = *pattern++;
-
- switch (ch) {
- case '*':
- retryPat = pattern;
- retryText = text;
- break;
-
- case '[':
- found = FALSE;
-
- while ((ch = *pattern++) != ']') {
- if (ch == '\\')
- ch = *pattern++;
-
- if (ch == '\0')
- return FALSE;
-
- if (*text == ch)
- found = TRUE;
- }
- len=strlen(text);
- if (found == FALSE && len!=0) {
- return FALSE;
- }
- if (found == TRUE) {
- if (strlen(pattern)==0 && len==1) {
- return TRUE;
- }
- if (len!=0) {
- text++;
- continue;
- }
- }
-
- /* fall into next case */
-
- case '?':
- if (*text++ == '\0')
- return FALSE;
-
- break;
-
- case '\\':
- ch = *pattern++;
-
- if (ch == '\0')
- return FALSE;
-
- /* fall into next case */
-
- default:
- if (*text == ch) {
- if (*text)
- text++;
- break;
- }
-
- if (*text) {
- pattern = retryPat;
- text = ++retryText;
- break;
- }
-
- return FALSE;
- }
-
- if (pattern == NULL)
- return FALSE;
- }
-
- return TRUE;
-}
-#endif /* BB_FIND || BB_INSMOD */
-
-
-
-
-#if defined BB_DF || defined BB_MTAB
-#include <mntent.h>
-/*
- * Given a block device, find the mount table entry if that block device
- * is mounted.
- *
- * Given any other file (or directory), find the mount table entry for its
- * filesystem.
- */
-extern struct mntent *find_mount_point(const char *name, const char *table)
-{
- struct stat s;
- dev_t mountDevice;
- FILE *mountTable;
- struct mntent *mountEntry;
-
- if (stat(name, &s) != 0)
- return 0;
-
- if ((s.st_mode & S_IFMT) == S_IFBLK)
- mountDevice = s.st_rdev;
- else
- mountDevice = s.st_dev;
-
-
- if ((mountTable = setmntent(table, "r")) == 0)
- return 0;
-
- while ((mountEntry = getmntent(mountTable)) != 0) {
- if (strcmp(name, mountEntry->mnt_dir) == 0
- || strcmp(name, mountEntry->mnt_fsname) == 0) /* String match. */
- break;
- if (stat(mountEntry->mnt_fsname, &s) == 0 && s.st_rdev == mountDevice) /* Match the device. */
- break;
- if (stat(mountEntry->mnt_dir, &s) == 0 && s.st_dev == mountDevice) /* Match the directory's mount point. */
- break;
- }
- endmntent(mountTable);
- return mountEntry;
-}
-#endif /* BB_DF || BB_MTAB */
-
-#if defined BB_INIT || defined BB_SYSLOGD
-/* try to open up the specified device */
-extern int device_open(char *device, int mode)
-{
- int m, f, fd = -1;
-
- m = mode | O_NONBLOCK;
-
- /* Retry up to 5 times */
- for (f = 0; f < 5; f++)
- if ((fd = open(device, m, 0600)) >= 0)
- break;
- if (fd < 0)
- return fd;
- /* Reset original flags. */
- if (m != mode)
- fcntl(fd, F_SETFL, mode);
- return fd;
-}
-#endif /* BB_INIT BB_SYSLOGD */
-
-
-#if defined BB_KILLALL || ( defined BB_FEATURE_LINUXRC && ( defined BB_HALT || defined BB_REBOOT || defined BB_POWEROFF ))
-#ifdef BB_FEATURE_USE_DEVPS_PATCH
-#include <linux/devps.h> /* For Erik's nifty devps device driver */
-#endif
-
-#if defined BB_FEATURE_USE_DEVPS_PATCH
-/* find_pid_by_name()
- *
- * This finds the pid of the specified process,
- * by using the /dev/ps device driver.
- *
- * Returns a list of all matching PIDs
- */
-extern pid_t* find_pid_by_name( char* pidName)
-{
- int fd, i, j;
- char device[] = "/dev/ps";
- pid_t num_pids;
- pid_t* pid_array = NULL;
- pid_t* pidList=NULL;
-
- /* open device */
- fd = open(device, O_RDONLY);
- if (fd < 0)
- perror_msg_and_die("open failed for `%s'", device);
-
- /* Find out how many processes there are */
- if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0)
- perror_msg_and_die("\nDEVPS_GET_PID_LIST");
-
- /* Allocate some memory -- grab a few extras just in case
- * some new processes start up while we wait. The kernel will
- * just ignore any extras if we give it too many, and will trunc.
- * the list if we give it too few. */
- pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
- pid_array[0] = num_pids+10;
-
- /* Now grab the pid list */
- if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0)
- perror_msg_and_die("\nDEVPS_GET_PID_LIST");
-
- /* Now search for a match */
- for (i=1, j=0; i<pid_array[0] ; i++) {
- char* p;
- struct pid_info info;
-
- info.pid = pid_array[i];
- if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
- perror_msg_and_die("\nDEVPS_GET_PID_INFO");
-
- /* Make sure we only match on the process name */
- p=info.command_line+1;
- while ((*p != 0) && !isspace(*(p)) && (*(p-1) != '\\')) {
- (p)++;
- }
- if (isspace(*(p)))
- *p='\0';
-
- if ((strstr(info.command_line, pidName) != NULL)
- && (strlen(pidName) == strlen(info.command_line))) {
- pidList=xrealloc( pidList, sizeof(pid_t) * (j+2));
- pidList[j++]=info.pid;
- }
- }
- if (pidList)
- pidList[j]=0;
-
- /* Free memory */
- free( pid_array);
-
- /* close device */
- if (close (fd) != 0)
- perror_msg_and_die("close failed for `%s'", device);
-
- return pidList;
-}
-#else /* BB_FEATURE_USE_DEVPS_PATCH */
-
-/* find_pid_by_name()
- *
- * This finds the pid of the specified process.
- * Currently, it's implemented by rummaging through
- * the proc filesystem.
- *
- * Returns a list of all matching PIDs
- */
-extern pid_t* find_pid_by_name( char* pidName)
-{
- DIR *dir;
- struct dirent *next;
- pid_t* pidList=NULL;
- int i=0;
-
- dir = opendir("/proc");
- if (!dir)
- perror_msg_and_die("Cannot open /proc");
-
- while ((next = readdir(dir)) != NULL) {
- FILE *status;
- char filename[256];
- char buffer[256];
-
- /* If it isn't a number, we don't want it */
- if (!isdigit(*next->d_name))
- continue;
-
- sprintf(filename, "/proc/%s/cmdline", next->d_name);
- status = fopen(filename, "r");
- if (!status) {
- continue;
- }
- fgets(buffer, 256, status);
- fclose(status);
-
- if (strstr(get_last_path_component(buffer), pidName) != NULL) {
- pidList=xrealloc( pidList, sizeof(pid_t) * (i+2));
- pidList[i++]=strtol(next->d_name, NULL, 0);
- }
- }
-
- if (pidList)
- pidList[i]=0;
- return pidList;
-}
-#endif /* BB_FEATURE_USE_DEVPS_PATCH */
-#endif /* BB_KILLALL || ( BB_FEATURE_LINUXRC && ( BB_HALT || BB_REBOOT || BB_POWEROFF )) */
-
-#ifndef DMALLOC
-/* this should really be farmed out to libbusybox.a */
-extern void *xmalloc(size_t size)
-{
- void *ptr = malloc(size);
-
- if (!ptr)
- error_msg_and_die(memory_exhausted);
- return ptr;
-}
-
-extern void *xrealloc(void *old, size_t size)
-{
- void *ptr = realloc(old, size);
- if (!ptr)
- error_msg_and_die(memory_exhausted);
- return ptr;
-}
-
-extern void *xcalloc(size_t nmemb, size_t size)
-{
- void *ptr = calloc(nmemb, size);
- if (!ptr)
- error_msg_and_die(memory_exhausted);
- return ptr;
-}
-#endif
-
-#if defined BB_NFSMOUNT || defined BB_LS || defined BB_SH || \
- defined BB_WGET || defined BB_DPKG_DEB || defined BB_TAR || \
- defined BB_LN
-# ifndef DMALLOC
-extern char * xstrdup (const char *s) {
- char *t;
-
- if (s == NULL)
- return NULL;
-
- t = strdup (s);
-
- if (t == NULL)
- error_msg_and_die(memory_exhausted);
-
- return t;
-}
-# endif
-#endif
-
-#if defined BB_NFSMOUNT
-extern char * xstrndup (const char *s, int n) {
- char *t;
-
- if (s == NULL)
- error_msg_and_die("xstrndup bug");
-
- t = xmalloc(++n);
-
- return safe_strncpy(t,s,n);
-}
-#endif
-
-#if defined BB_IFCONFIG || defined BB_ROUTE || defined BB_NFSMOUNT || \
- defined BB_FEATURE_MOUNT_LOOP
-/* Like strncpy but make sure the resulting string is always 0 terminated. */
-extern char * safe_strncpy(char *dst, const char *src, size_t size)
-{
- dst[size-1] = '\0';
- return strncpy(dst, src, size-1);
-}
-#endif
-
-#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
-extern int vdprintf(int d, const char *format, va_list ap)
-{
- char buf[BUF_SIZE];
- int len;
-
- len = vsprintf(buf, format, ap);
- return write(d, buf, len);
-}
-#endif /* BB_SYSLOGD */
-
-
-#if defined BB_FEATURE_MOUNT_LOOP
-#include <fcntl.h>
-#include "loop.h" /* Pull in loop device support */
-
-extern int del_loop(const char *device)
-{
- int fd;
-
- if ((fd = open(device, O_RDONLY)) < 0) {
- perror_msg("%s", device);
- return (FALSE);
- }
- if (ioctl(fd, LOOP_CLR_FD, 0) < 0) {
- perror_msg("ioctl: LOOP_CLR_FD");
- return (FALSE);
- }
- close(fd);
- return (TRUE);
-}
-
-extern int set_loop(const char *device, const char *file, int offset,
- int *loopro)
-{
- struct loop_info loopinfo;
- int fd, ffd, mode;
-
- mode = *loopro ? O_RDONLY : O_RDWR;
- if ((ffd = open(file, mode)) < 0 && !*loopro
- && (errno != EROFS || (ffd = open(file, mode = O_RDONLY)) < 0)) {
- perror_msg("%s", file);
- return 1;
- }
- if ((fd = open(device, mode)) < 0) {
- close(ffd);
- perror_msg("%s", device);
- return 1;
- }
- *loopro = (mode == O_RDONLY);
-
- memset(&loopinfo, 0, sizeof(loopinfo));
- safe_strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
-
- loopinfo.lo_offset = offset;
-
- loopinfo.lo_encrypt_key_size = 0;
- if (ioctl(fd, LOOP_SET_FD, ffd) < 0) {
- perror_msg("ioctl: LOOP_SET_FD");
- close(fd);
- close(ffd);
- return 1;
- }
- if (ioctl(fd, LOOP_SET_STATUS, &loopinfo) < 0) {
- (void) ioctl(fd, LOOP_CLR_FD, 0);
- perror_msg("ioctl: LOOP_SET_STATUS");
- close(fd);
- close(ffd);
- return 1;
- }
- close(fd);
- close(ffd);
- return 0;
-}
-
-extern char *find_unused_loop_device(void)
-{
- char dev[20];
- int i, fd;
- struct stat statbuf;
- struct loop_info loopinfo;
-
- for (i = 0; i <= 7; i++) {
- sprintf(dev, "/dev/loop%d", i);
- if (stat(dev, &statbuf) == 0 && S_ISBLK(statbuf.st_mode)) {
- if ((fd = open(dev, O_RDONLY)) >= 0) {
- if (ioctl(fd, LOOP_GET_STATUS, &loopinfo) != 0) {
- if (errno == ENXIO) { /* probably free */
- close(fd);
- return strdup(dev);
- }
- }
- close(fd);
- }
- }
- }
- return NULL;
-}
-#endif /* BB_FEATURE_MOUNT_LOOP */
-
-#if defined BB_MOUNT || defined BB_DF || ( defined BB_UMOUNT && ! defined BB_MTAB)
-extern int find_real_root_device_name(char* name)
-{
- DIR *dir;
- struct dirent *entry;
- struct stat statBuf, rootStat;
- char fileName[BUFSIZ];
-
- if (stat("/", &rootStat) != 0) {
- error_msg("could not stat '/'");
- return( FALSE);
- }
-
- dir = opendir("/dev");
- if (!dir) {
- error_msg("could not open '/dev'");
- return( FALSE);
- }
-
- while((entry = readdir(dir)) != NULL) {
-
- /* Must skip ".." since that is "/", and so we
- * would get a false positive on ".." */
- if (strcmp(entry->d_name, "..") == 0)
- continue;
-
- snprintf( fileName, strlen(name)+1, "/dev/%s", entry->d_name);
-
- if (stat(fileName, &statBuf) != 0)
- continue;
- /* Some char devices have the same dev_t as block
- * devices, so make sure this is a block device */
- if (! S_ISBLK(statBuf.st_mode))
- continue;
- if (statBuf.st_rdev == rootStat.st_rdev) {
- strcpy(name, fileName);
- return ( TRUE);
- }
- }
-
- return( FALSE);
-}
-#endif
-
-
-/* get_line_from_file() - This function reads an entire line from a text file
- * up to a newline. It returns a malloc'ed char * which must be stored and
- * free'ed by the caller. */
-extern char *get_line_from_file(FILE *file)
-{
- static const int GROWBY = 80; /* how large we will grow strings by */
-
- int ch;
- int idx = 0;
- char *linebuf = NULL;
- int linebufsz = 0;
-
- while (1) {
- ch = fgetc(file);
- if (ch == EOF)
- break;
- /* grow the line buffer as necessary */
- while (idx > linebufsz-2)
- linebuf = xrealloc(linebuf, linebufsz += GROWBY);
- linebuf[idx++] = (char)ch;
- if ((char)ch == '\n')
- break;
- }
-
- if (idx == 0)
- return NULL;
-
- linebuf[idx] = 0;
- return linebuf;
-}
-
-#if defined BB_CAT
-extern void print_file(FILE *file)
-{
- int c;
-
- while ((c = getc(file)) != EOF)
- putc(c, stdout);
- fclose(file);
- fflush(stdout);
-}
-
-extern int print_file_by_name(char *filename)
-{
- FILE *file;
- if ((file = wfopen(filename, "r")) == NULL)
- return FALSE;
- print_file(file);
- return TRUE;
-}
-#endif /* BB_CAT */
-
-#if defined BB_ECHO || defined BB_SH || defined BB_TR
-char process_escape_sequence(char **ptr)
-{
- static const char charmap[] = {
- 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', 0,
- '\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
-
- const char *p;
- char *q;
- int num_digits;
- unsigned int n;
-
- n = 0;
- q = *ptr;
-
- for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
- if ((*q < '0') || (*q > '7')) { /* not a digit? */
- break;
- }
- n = n * 8 + (*q++ - '0');
- }
-
- if (num_digits == 0) { /* mnemonic escape sequence? */
- for (p=charmap ; *p ; p++) {
- if (*p == *q) {
- q++;
- break;
- }
- }
- n = *(p+(sizeof(charmap)/2));
- }
-
- /* doesn't hurt to fall through to here from mnemonic case */
- if (n > UCHAR_MAX) { /* is octal code too big for a char? */
- n /= 8; /* adjust value and */
- --q; /* back up one char */
- }
-
- *ptr = q;
- return (char) n;
-}
-#endif
-
-#if defined BB_BASENAME || defined BB_LN || defined BB_SH || defined BB_INIT || \
- ! defined BB_FEATURE_USE_DEVPS_PATCH || defined BB_WGET
-char *get_last_path_component(char *path)
-{
- char *s=path+strlen(path)-1;
-
- /* strip trailing slashes */
- while (s != path && *s == '/') {
- *s-- = '\0';
- }
-
- /* find last component */
- s = strrchr(path, '/');
- if (s == NULL || s[1] == '\0')
- return path;
- else
- return s+1;
-}
-#endif
-
-#if defined BB_GREP || defined BB_SED
-#include <regex.h>
-void xregcomp(regex_t *preg, const char *regex, int cflags)
-{
- int ret;
- if ((ret = regcomp(preg, regex, cflags)) != 0) {
- int errmsgsz = regerror(ret, preg, NULL, 0);
- char *errmsg = xmalloc(errmsgsz);
- regerror(ret, preg, errmsg, errmsgsz);
- error_msg_and_die("xregcomp: %s", errmsg);
- }
-}
-#endif
-
-#if defined BB_CAT || defined BB_HEAD || defined BB_WC
-FILE *wfopen(const char *path, const char *mode)
-{
- FILE *fp;
- if ((fp = fopen(path, mode)) == NULL) {
- perror_msg("%s", path);
- errno = 0;
- }
- return fp;
-}
-#endif
-
-#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \
- || defined BB_SED || defined BB_SH || defined BB_TAR || defined BB_UNIQ \
- || defined BB_WC || defined BB_CMP || defined BB_SORT || defined BB_WGET \
- || defined BB_MOUNT || defined BB_ROUTE || defined BB_MKFS_MINIX
-FILE *xfopen(const char *path, const char *mode)
-{
- FILE *fp;
- if ((fp = fopen(path, mode)) == NULL)
- perror_msg_and_die("%s", path);
- return fp;
-}
-#endif
-
-static int applet_name_compare(const void *x, const void *y)
-{
- const char *name = x;
- const struct BB_applet *applet = y;
-
- return strcmp(name, applet->name);
-}
-
-extern size_t NUM_APPLETS;
-
-struct BB_applet *find_applet_by_name(const char *name)
-{
- return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
- applet_name_compare);
-}
-
-void run_applet_by_name(const char *name, int argc, char **argv)
-{
- /* Do a binary search to find the applet entry given the name. */
- if ((applet_using = find_applet_by_name(name)) != NULL) {
- applet_name = applet_using->name;
- if (argv[1] && strcmp(argv[1], "--help") == 0)
- show_usage();
- exit((*(applet_using->main)) (argc, argv));
- }
-}
-
-#if defined BB_DD || defined BB_TAIL || defined BB_STTY
-unsigned long parse_number(const char *numstr,
- const struct suffix_mult *suffixes)
-{
- const struct suffix_mult *sm;
- unsigned long int ret;
- int len;
- char *end;
-
- ret = strtoul(numstr, &end, 10);
- if (numstr == end)
- error_msg_and_die("invalid number `%s'", numstr);
- while (end[0] != '\0') {
- sm = suffixes;
- while ( sm != 0 ) {
- if(sm->suffix) {
- len = strlen(sm->suffix);
- if (strncmp(sm->suffix, end, len) == 0) {
- ret *= sm->mult;
- end += len;
- break;
- }
- sm++;
-
- } else
- sm = 0;
- }
- if (sm == 0)
- error_msg_and_die("invalid number `%s'", numstr);
- }
- return ret;
-}
-#endif
-
-#if defined BB_DD || defined BB_NC || defined BB_TAIL
-ssize_t safe_read(int fd, void *buf, size_t count)
-{
- ssize_t n;
-
- do {
- n = read(fd, buf, count);
- } while (n < 0 && errno == EINTR);
-
- return n;
-}
-#endif
-
-#ifdef BB_FEATURE_HUMAN_READABLE
-const char *make_human_readable_str(unsigned long val, unsigned long hr)
-{
- int i=0;
- static char str[10] = "\0";
- static const char strings[] = { 'k', 'M', 'G', 'T', 0 };
- unsigned long divisor = 1;
-
- if(val == 0)
- return("0");
- if(hr)
- snprintf(str, 9, "%ld", val/hr);
- else {
- while(val >= divisor && i <= 4) {
- divisor=divisor<<10, i++;
- }
- divisor=divisor>>10, i--;
- snprintf(str, 9, "%.1Lf%c", (long double)(val)/divisor, strings[i]);
- }
- return(str);
-}
-#endif
-
-#if defined(BB_GREP) || defined(BB_HOSTNAME) || defined(BB_SED) || defined(BB_TAR) || defined(BB_WGET) || defined(BB_XARGS) || defined(BB_SH)
-void chomp(char *s)
-{
- size_t len = strlen(s);
-
- if (len == 0)
- return;
-
- if (s[len-1] == '\n')
- s[len-1] = '\0';
-}
-#endif
-
-#if defined(BB_KLOGD) || defined(BB_LOGGER)
-void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg)
-{
- openlog(name, 0, facility);
- syslog(pri, "%s", msg);
- closelog();
-}
-
-void syslog_msg(int facility, int pri, const char *msg)
-{
- syslog_msg_with_name(applet_using->name, facility, pri, msg);
-}
-#endif
-
-#if defined(BB_SH)
-void trim(char *s)
-{
- /* trim trailing whitespace */
- while (isspace(s[strlen(s)-1]))
- s[strlen(s)-1]='\0';
-
- /* trim leading whitespace */
- memmove(s, &s[strspn(s, " \n\r\t\v")], strlen(s));
-
-}
-#endif
-
-#ifdef BB_FEATURE_RM_INTERACTIVE
- #if defined (BB_CP_MV) || defined (BB_RM)
-int ask_confirmation()
-{
- int c = '\0';
- int ret = 0;
-
- while (c != '\n') {
- c = getchar();
- if ( c != '\n' ) {
- ret = ((c=='y')||(c=='Y')) ? 1 : 0;
- }
- }
- return ret;
-}
- #endif
-#endif
-
-/* END CODE */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/