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Checking validity of mode as a number (not implemented as a string though)

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This commit is contained in:
Pierre Pronchery 2005-02-01 10:11:37 +00:00
parent b15cf7275d
commit 291e52953a
1 changed files with 7 additions and 3 deletions
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10
src/chmod.c
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@ -102,7 +102,8 @@ static int _chmod_do_recursive_do(int opts, mode_t mode, char * file)
/* usage */ /* usage */
static int _usage(void) static int _usage(void)
{ {
fprintf(stderr, "%s", "Usage: chmod [-R] mode file\n"); fprintf(stderr, "%s", "Usage: chmod [-R] mode file\n\
-R recursively change file mode bits\n");
return 1; return 1;
} }
@ -113,6 +114,7 @@ int main(int argc, char * argv[])
int opts = 0; int opts = 0;
mode_t mode; mode_t mode;
int o; int o;
char * p;
while((o = getopt(argc, argv, "R")) != -1) while((o = getopt(argc, argv, "R")) != -1)
{ {
@ -127,7 +129,9 @@ int main(int argc, char * argv[])
} }
if(argc - optind < 2) if(argc - optind < 2)
return _usage(); return _usage();
/* FIXME */ /* FIXME mode may be an expression */
mode = strtol(argv[optind], NULL, 8); mode = strtol(argv[optind], &p, 8);
if(argv[optind][0] == '\0' || *p != '\0')
return _usage();
return _chmod(opts, mode, argc - optind - 1, &argv[optind+1]); return _chmod(opts, mode, argc - optind - 1, &argv[optind+1]);
} }