#include "internal.h"
#define BB_DECLARE_EXTERN
#define bb_need_invalid_option
+#define bb_need_too_few_args
#include "messages.c"
#include <stdio.h>
int chmod_chown_chgrp_main(int argc, char **argv)
{
int recursiveFlag = FALSE;
- char *groupName;
- char *p;
+ char *groupName=NULL;
+ char *p=NULL;
const char *appUsage;
whichApp = (strcmp(*argv, "chown") == 0)?
if (argc < 2)
usage(appUsage);
invocationName = *argv;
- argc--;
argv++;
/* Parse options */
- while (argc && (**argv == '-')) {
- while (*++(*argv))
+ while (--argc >= 0 && *argv && (**argv == '-')) {
+ while (*++(*argv)) {
switch (**argv) {
- case 'R':
- recursiveFlag = TRUE;
- break;
- default:
- fprintf(stderr, invalid_option, invocationName, **argv);
- usage(appUsage);
+ case 'R':
+ recursiveFlag = TRUE;
+ break;
+ default:
+ fprintf(stderr, invalid_option, invocationName, **argv);
+ usage(appUsage);
}
- argc--;
+ }
argv++;
}
+ if (argc == 0 || *argv == NULL) {
+ fprintf(stderr, too_few_args, invocationName);
+ usage(appUsage);
+ }
+
if (whichApp == CHMOD_APP) {
theMode = *argv;
} else {