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authorGravatar Mike Frysinger <vapier@gentoo.org>2005-04-25 04:10:35 +0000
committerGravatar Mike Frysinger <vapier@gentoo.org>2005-04-25 04:10:35 +0000
commitd2a64d2fc2b6c6666fc48c531387e72d12c3214a (patch)
tree216a67c4df7767ffa57a1c36cbeb745607c8ffd3 /e2fsprogs/chattr.c
parent560047ce86411972eee9f44197ebcca1f903c128 (diff)
downloadbusybox-d2a64d2fc2b6c6666fc48c531387e72d12c3214a.tar.gz
busybox-d2a64d2fc2b6c6666fc48c531387e72d12c3214a.tar.bz2
bbify to shrink size
Diffstat (limited to 'e2fsprogs/chattr.c')
-rw-r--r--e2fsprogs/chattr.c326
1 files changed, 128 insertions, 198 deletions
diff --git a/e2fsprogs/chattr.c b/e2fsprogs/chattr.c
index 7abc83176..5aaa14fbb 100644
--- a/e2fsprogs/chattr.c
+++ b/e2fsprogs/chattr.c
@@ -36,270 +36,200 @@
#define EXT2FS_ATTR(x)
#endif
-#ifndef S_ISLNK /* So we can compile even with gcc-warn */
-# ifdef __S_IFLNK
-# define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK)
-# else
-# define S_ISLNK(mode) 0
-# endif
-#endif
-
#include "e2fsbb.h"
#include "e2p/e2p.h"
-static int add;
-static int rem;
-static int set;
-static int set_version;
+#define OPT_ADD 1
+#define OPT_REM 2
+#define OPT_SET 4
+#define OPT_SET_VER 8
+static int flags;
+static int recursive;
static unsigned long version;
-static int recursive;
-static int verbose;
-
static unsigned long af;
static unsigned long rf;
static unsigned long sf;
-#ifdef _LFS64_LARGEFILE
-#define LSTAT lstat64
-#define STRUCT_STAT struct stat64
+#ifdef CONFIG_LFS
+# define LSTAT lstat64
+# define STRUCT_STAT struct stat64
#else
-#define LSTAT lstat
-#define STRUCT_STAT struct stat
-#endif
-
-#if 0
-static void fatal_error(const char * fmt_string, int errcode)
-{
- fprintf (stderr, fmt_string, program_name);
- exit (errcode);
-}
-
-#define usage() fatal_error(_("usage: %s [-RV] [-+=AacDdijsSu] [-v version] files...\n"), \
- 1)
+# define LSTAT lstat
+# define STRUCT_STAT struct stat
#endif
struct flags_char {
- unsigned long flag;
- char optchar;
+ unsigned long flag;
+ char optchar;
};
static const struct flags_char flags_array[] = {
- { EXT2_NOATIME_FL, 'A' },
- { EXT2_SYNC_FL, 'S' },
- { EXT2_DIRSYNC_FL, 'D' },
- { EXT2_APPEND_FL, 'a' },
- { EXT2_COMPR_FL, 'c' },
- { EXT2_NODUMP_FL, 'd' },
- { EXT2_IMMUTABLE_FL, 'i' },
+ { EXT2_NOATIME_FL, 'A' },
+ { EXT2_SYNC_FL, 'S' },
+ { EXT2_DIRSYNC_FL, 'D' },
+ { EXT2_APPEND_FL, 'a' },
+ { EXT2_COMPR_FL, 'c' },
+ { EXT2_NODUMP_FL, 'd' },
+ { EXT2_IMMUTABLE_FL, 'i' },
{ EXT3_JOURNAL_DATA_FL, 'j' },
- { EXT2_SECRM_FL, 's' },
- { EXT2_UNRM_FL, 'u' },
- { EXT2_NOTAIL_FL, 't' },
- { EXT2_TOPDIR_FL, 'T' },
+ { EXT2_SECRM_FL, 's' },
+ { EXT2_UNRM_FL, 'u' },
+ { EXT2_NOTAIL_FL, 't' },
+ { EXT2_TOPDIR_FL, 'T' },
{ 0, 0 }
};
static unsigned long get_flag(char c)
{
const struct flags_char *fp;
-
- for (fp = flags_array; fp->flag != 0; fp++) {
+ for (fp = flags_array; fp->flag; fp++)
if (fp->optchar == c)
return fp->flag;
- }
+ bb_show_usage();
return 0;
}
-
-static int decode_arg (int * i, int argc, char ** argv)
+static int decode_arg(char *arg)
{
- char * p;
- char * tmp;
- unsigned long fl;
-
- switch (argv[*i][0])
- {
- case '-':
- for (p = &argv[*i][1]; *p; p++) {
- if (*p == 'R') {
- recursive = 1;
- continue;
- }
- if (*p == 'V') {
- verbose = 1;
- continue;
- }
- if (*p == 'v') {
- (*i)++;
- if (*i >= argc)
- usage ();
- version = strtol (argv[*i], &tmp, 0);
- if (*tmp) {
- com_err (program_name, 0,
- _("bad version - %s\n"),
- argv[*i]);
- usage ();
- }
- set_version = 1;
- continue;
- }
- if ((fl = get_flag(*p)) == 0)
- usage();
- rf |= fl;
- rem = 1;
- }
- break;
- case '+':
- add = 1;
- for (p = &argv[*i][1]; *p; p++) {
- if ((fl = get_flag(*p)) == 0)
- usage();
- af |= fl;
- }
- break;
- case '=':
- set = 1;
- for (p = &argv[*i][1]; *p; p++) {
- if ((fl = get_flag(*p)) == 0)
- usage();
- sf |= fl;
- }
- break;
- default:
+ unsigned long *fl;
+ char opt = *arg++;
+
+ if (opt == '-') {
+ flags |= OPT_REM;
+ fl = &rf;
+ } else if (opt == '+') {
+ flags |= OPT_ADD;
+ fl = &af;
+ } else if (opt == '=') {
+ flags |= OPT_SET;
+ fl = &sf;
+ } else
return EOF;
- break;
- }
+
+ for (; *arg ; ++arg)
+ (*fl) |= get_flag(*arg);
+
return 1;
}
-static int chattr_dir_proc (const char *, struct dirent *, void *);
+static int chattr_dir_proc(const char *, struct dirent *, void *);
-static void change_attributes (const char * name)
+static void change_attributes(const char * name)
{
- unsigned long flags;
+ unsigned long fsflags;
STRUCT_STAT st;
- if (LSTAT (name, &st) == -1) {
- com_err (program_name, errno, _("while trying to stat %s"),
- name);
+ if (LSTAT(name, &st) == -1) {
+ bb_error_msg("while trying to stat %s", name);
return;
}
if (S_ISLNK(st.st_mode) && recursive)
return;
/* Don't try to open device files, fifos etc. We probably
- ought to display an error if the file was explicitly given
- on the command line (whether or not recursive was
- requested). */
- if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode) &&
- !S_ISDIR(st.st_mode))
+ * ought to display an error if the file was explicitly given
+ * on the command line (whether or not recursive was
+ * requested). */
+ if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode) && !S_ISDIR(st.st_mode))
return;
- if (set) {
- if (verbose) {
- printf (_("Flags of %s set as "), name);
- print_flags (stdout, sf, 0);
- printf ("\n");
- }
- if (fsetflags (name, sf) == -1)
- perror (name);
+ if (flags & OPT_SET_VER)
+ if (fsetversion(name, version) == -1)
+ bb_error_msg("while setting version on %s", name);
+
+ if (flags & OPT_SET) {
+ fsflags = sf;
} else {
- if (fgetflags (name, &flags) == -1)
- com_err (program_name, errno,
- _("while reading flags on %s"), name);
- else {
- if (rem)
- flags &= ~rf;
- if (add)
- flags |= af;
- if (verbose) {
- printf (_("Flags of %s set as "), name);
- print_flags (stdout, flags, 0);
- printf ("\n");
- }
- if (!S_ISDIR(st.st_mode))
- flags &= ~EXT2_DIRSYNC_FL;
- if (fsetflags (name, flags) == -1)
- com_err (program_name, errno,
- _("while setting flags on %s"), name);
+ if (fgetflags(name, &fsflags) == -1) {
+ bb_error_msg("while reading flags on %s", name);
+ goto skip_setflags;
}
+ if (flags & OPT_REM)
+ fsflags &= ~rf;
+ if (flags & OPT_ADD)
+ fsflags |= af;
+ if (!S_ISDIR(st.st_mode))
+ fsflags &= ~EXT2_DIRSYNC_FL;
}
- if (set_version) {
- if (verbose)
- printf (_("Version of %s set as %lu\n"), name, version);
- if (fsetversion (name, version) == -1)
- com_err (program_name, errno,
- _("while setting version on %s"), name);
- }
+ if (fsetflags(name, fsflags) == -1)
+ bb_error_msg("while setting flags on %s", name);
+
+skip_setflags:
if (S_ISDIR(st.st_mode) && recursive)
- iterate_on_dir (name, chattr_dir_proc, NULL);
+ iterate_on_dir(name, chattr_dir_proc, NULL);
}
-static int chattr_dir_proc (const char * dir_name, struct dirent * de,
- void * private EXT2FS_ATTR((unused)))
+static int chattr_dir_proc(const char *dir_name, struct dirent *de,
+ void *private EXT2FS_ATTR((unused)))
{
- if (strcmp (de->d_name, ".") && strcmp (de->d_name, "..")) {
- char *path;
+ /*if (strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {*/
+ if (de->d_name[0] == '.' && (de->d_name[1] == '\0' || \
+ (de->d_name[1] == '.' && de->d_name[2] == '\0'))) {
- path = malloc(strlen (dir_name) + 1 + strlen (de->d_name) + 1);
+ char *path = malloc(strlen(dir_name) + 1 + strlen(de->d_name) + 1);
if (!path)
- fatal_error(_("Couldn't allocate path variable "
- "in chattr_dir_proc"), 1);
- sprintf (path, "%s/%s", dir_name, de->d_name);
- change_attributes (path);
+ bb_error_msg_and_die("Couldn't allocate path variable in chattr_dir_proc");
+ sprintf(path, "%s/%s", dir_name, de->d_name);
+ change_attributes(path);
free(path);
}
return 0;
}
-int chattr_main (int argc, char ** argv)
+int chattr_main(int argc, char **argv)
{
- int i, j;
- int end_arg = 0;
+ int i;
+ char *arg;
-#ifdef ENABLE_NLS
- setlocale(LC_MESSAGES, "");
- setlocale(LC_CTYPE, "");
- bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
- textdomain(NLS_CAT_NAME);
-#endif
-#if 0
- if (argc && *argv)
- program_name = *argv;
-#endif
- i = 1;
- while (i < argc && !end_arg) {
- /* '--' arg should end option processing */
- if (strcmp(argv[i], "--") == 0) {
- i++;
- end_arg = 1;
- } else if (decode_arg (&i, argc, argv) == EOF)
- end_arg = 1;
- else
- i++;
+ /* parse the args */
+ for (i = 1; i < argc; ++i) {
+ arg = argv[i];
+
+ /* take care of -R and -v <version> */
+ if (arg[0] == '-') {
+ if (arg[1] == 'R' && arg[2] == '\0') {
+ recursive = 1;
+ continue;
+ } else if (arg[1] == 'v' && arg[2] == '\0') {
+ char *tmp;
+ ++i;
+ if (i >= argc)
+ bb_show_usage();
+ version = strtol(argv[i], &tmp, 0);
+ if (*tmp) {
+ bb_error_msg("bad version - %s", arg);
+ bb_show_usage();
+ }
+ flags |= OPT_SET_VER;
+ continue;
+ }
+ }
+
+ if (decode_arg(arg) == EOF)
+ break;
}
+
+ /* run sanity checks on all the arguments given us */
if (i >= argc)
- usage ();
- if (set && (add || rem)) {
- fputs(_("= is incompatible with - and +\n"), stderr);
- exit (1);
+ bb_show_usage();
+ if ((flags & OPT_SET) && ((flags & OPT_ADD) || (flags & OPT_REM))) {
+ bb_error_msg("= is incompatible with - and +");
+ return EXIT_FAILURE;
}
if ((rf & af) != 0) {
- fputs("Can't both set and unset same flag.\n", stderr);
- exit (1);
+ bb_error_msg("Can't both set and unset same flag");
+ return EXIT_FAILURE;
}
- if (!(add || rem || set || set_version)) {
- fputs(_("Must use '-v', =, - or +\n"), stderr);
- exit (1);
+ if (!flags) {
+ bb_error_msg("Must use '-v', =, - or +");
+ return EXIT_FAILURE;
}
-#if 0
- if (verbose)
- fprintf (stderr, "chattr %s (%s)\n",
- E2FSPROGS_VERSION, E2FSPROGS_DATE);
-#endif
- for (j = i; j < argc; j++)
- change_attributes (argv[j]);
- exit(0);
+
+ /* now run chattr on all the files passed to us */
+ while (i < argc)
+ change_attributes(argv[i++]);
+
+ return EXIT_SUCCESS;
}