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Diffstat (limited to 'coreutils/chmod.c')
-rw-r--r--coreutils/chmod.c85
1 files changed, 51 insertions, 34 deletions
diff --git a/coreutils/chmod.c b/coreutils/chmod.c
index ba80e02..28c9855 100644
--- a/coreutils/chmod.c
+++ b/coreutils/chmod.c
@@ -24,67 +24,84 @@
*
*/
+/* BB_AUDIT SUSv3 compliant */
+/* BB_AUDIT GNU defects - unsupported options -c, -f, -v, and long options. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chmod.html */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <getopt.h>
+#include <sys/stat.h>
#include "busybox.h"
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
- if (!parse_mode((char *)junk, &(statbuf->st_mode)))
- error_msg_and_die( "unknown mode: %s", (char *)junk);
+ if (!bb_parse_mode((char *)junk, &(statbuf->st_mode)))
+ bb_error_msg_and_die( "unknown mode: %s", (char *)junk);
if (chmod(fileName, statbuf->st_mode) == 0)
return (TRUE);
- perror(fileName);
+ bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
return (FALSE);
}
int chmod_main(int argc, char **argv)
{
- int opt;
+ int retval = EXIT_SUCCESS;
int recursiveFlag = FALSE;
- int modeind = 0; /* Index of the mode argument in `argv'. */
+ int count;
char *smode;
- static const char chmod_modes[] = "Rrwxstugoa,+-=";
+ char **p;
+ char *p0;
+ char opt = '-';
- /* do normal option parsing */
- while (1) {
- int thisind = optind ? optind : 1;
+ ++argv;
+ count = 0;
- opt = getopt(argc, argv, chmod_modes);
- if (opt == EOF)
- break;
- smode = strchr(chmod_modes, opt);
- if(smode == NULL)
- show_usage();
- if(smode == chmod_modes) { /* 'R' */
- recursiveFlag = TRUE;
- } else {
- if (modeind != 0 && modeind != thisind)
- show_usage();
- modeind = thisind;
+ for (p = argv ; *p ; p++) {
+ p0 = p[0];
+ if (p0[0] == opt) {
+ if ((p0[1] == '-') && !p0[2]) {
+ opt = 0; /* Disable further option processing. */
+ continue;
+ }
+ if (p0[1] == 'R') {
+ char *s = p0 + 2;
+ while (*s == 'R') {
+ ++s;
+ }
+ if (*s) {
+ bb_show_usage();
+ }
+ recursiveFlag = TRUE;
+ continue;
+ }
+ if (count) {
+ bb_show_usage();
+ }
}
+ argv[count] = p0;
+ ++count;
}
- if (modeind == 0)
- modeind = optind++;
+ argv[count] = NULL;
- opt = optind;
- if (opt >= argc) {
- error_msg_and_die(too_few_args);
+ if (count < 2) {
+ bb_show_usage();
}
- smode = argv[modeind];
+ smode = *argv;
+ ++argv;
+
/* Ok, ready to do the deed now */
- for (; opt < argc; opt++) {
- if (! recursive_action (argv[opt], recursiveFlag, FALSE, FALSE, fileAction,
- fileAction, smode)) {
- return EXIT_FAILURE;
+ do {
+ if (! recursive_action (*argv, recursiveFlag, FALSE, FALSE,
+ fileAction, fileAction, smode)) {
+ retval = EXIT_FAILURE;
}
- }
- return EXIT_SUCCESS;
+ } while (*++argv);
+
+ return retval;
}
/*