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chmod: strnum

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This commit is contained in:
Connor Lane Smith 2011-06-10 05:44:00 +01:00
parent 7c251bcd4f
commit ba456787cb
1 changed files with 2 additions and 4 deletions
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6
chmod.c
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@ -14,7 +14,7 @@ static mode_t mode = 0;
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
char c, *end; char c;
int octal; int octal;
while((c = getopt(argc, argv, "Rr")) != -1) while((c = getopt(argc, argv, "Rr")) != -1)
@ -28,9 +28,7 @@ main(int argc, char *argv[])
} }
if(optind == argc) if(optind == argc)
eprintf("usage: %s [-Rr] mode [file...]\n", argv[0]); eprintf("usage: %s [-Rr] mode [file...]\n", argv[0]);
octal = strtol(argv[optind++], &end, 8); octal = strnum(argv[optind++], 8);
if(*end != '\0')
eprintf("%s: not an octal number\n", argv[optind-1]);
/* posix doesn't specify modal bits */ /* posix doesn't specify modal bits */
if(octal & 04000) mode |= S_ISUID; if(octal & 04000) mode |= S_ISUID;