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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-11-16 20:18:54 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-11-16 20:18:54 +0000
commit7e3a5f58bcd2c40745ed7eaaa8952b29c3da4447 (patch)
tree042c55bdaaa2ccbbed11eb474840ae727f61abec /include
parent7c2db5c1988da00c101cc2aeb8767f18a1fe9eb9 (diff)
downloadbusybox-7e3a5f58bcd2c40745ed7eaaa8952b29c3da4447.tar.gz
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dmesg,klogd: make code more readable
libbb: explain why we declare klogctl libbb: move defs around so that order makes more sense
Diffstat (limited to 'include')
-rw-r--r--include/libbb.h73
1 files changed, 36 insertions, 37 deletions
diff --git a/include/libbb.h b/include/libbb.h
index 1adac8443..2593c3ad2 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -26,7 +26,6 @@
#include <stdarg.h>
#include <stddef.h>
#include <string.h>
-/* #include <strings.h> - said to be obsolete */
#include <sys/poll.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
@@ -40,6 +39,12 @@
#include <time.h>
#include <unistd.h>
#include <utime.h>
+/* Try to pull in PATH_MAX */
+#include <limits.h>
+#include <sys/param.h>
+#ifndef PATH_MAX
+#define PATH_MAX 256
+#endif
#if ENABLE_SELINUX
#include <selinux/selinux.h>
@@ -62,14 +67,37 @@
#include "shadow_.h"
#endif
-/* Try to pull in PATH_MAX */
-#include <limits.h>
-#include <sys/param.h>
-#ifndef PATH_MAX
-#define PATH_MAX 256
+#if defined(__GLIBC__) && __GLIBC__ < 2
+int vdprintf(int d, const char *format, va_list ap);
#endif
+/* klogctl is in libc's klog.h, but we cheat and not #include that */
+int klogctl(int type, char *b, int len);
+/* This is declared here rather than #including <libgen.h> in order to avoid
+ * confusing the two versions of basename. See the dirname/basename man page
+ * for details. */
+char *dirname(char *path);
+/* Include our own copy of struct sysinfo to avoid binary compatibility
+ * 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 short pad; /* Padding needed for m68k */
+ 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.. */
+};
+int sysinfo(struct sysinfo* info);
+
-/* Tested to work correctly (IIRC :]) */
+/* Tested to work correctly with all int types (IIRC :]) */
#define MAXINT(T) (T)( \
((T)-1) > 0 \
? (T)-1 \
@@ -83,7 +111,7 @@
)
/* Large file support */
-/* Note that CONFIG_LFS forces bbox to be built with all common ops
+/* Note that CONFIG_LFS=y forces bbox to be built with all common ops
* (stat, lseek etc) mapped to "largefile" variants by libc.
* Practically it means that open() automatically has O_LARGEFILE added
* and all filesize/file_offset parameters and struct members are "large"
@@ -167,7 +195,6 @@
#endif
#endif
-
#if defined(__GLIBC__)
/* glibc uses __errno_location() to get a ptr to errno */
/* We can just memorize it once - no multithreading in busybox :) */
@@ -176,33 +203,6 @@ extern int *const bb_errno;
#define errno (*bb_errno)
#endif
-#if defined(__GLIBC__) && __GLIBC__ < 2
-int vdprintf(int d, const char *format, va_list ap);
-#endif
-// This is declared here rather than #including <libgen.h> in order to avoid
-// confusing the two versions of basename. See the dirname/basename man page
-// for details.
-char *dirname(char *path);
-/* Include our own copy of struct sysinfo to avoid binary compatibility
- * 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 short pad; /* Padding needed for m68k */
- 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.. */
-};
-int sysinfo(struct sysinfo* info);
-
unsigned long long monotonic_us(void);
unsigned monotonic_sec(void);
@@ -788,7 +788,6 @@ extern int set_loop(char **devname, const char *file, unsigned long long offset)
//TODO: pass buf pointer or return allocated buf (avoid statics)?
char *bb_askpass(int timeout, const char * prompt);
int bb_ask_confirmation(void);
-int klogctl(int type, char * b, int len);
extern int bb_parse_mode(const char* s, mode_t* theMode);