chmod.c revision dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0 
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <sys/types.h>
5#include <dirent.h>
6#include <errno.h>
7
8#include <unistd.h>
9#include <time.h>
10
11int chmod_main(int argc, char **argv)
12{
13    int i;
14
15    if (argc < 3) {
16        fprintf(stderr, "Usage: chmod <MODE> <FILE>\n");
17        return 10;
18    }
19
20    int mode = 0;
21    const char* s = argv[1];
22    while (*s) {
23        if (*s >= '0' && *s <= '7') {
24            mode = (mode<<3) | (*s-'0');
25        }
26        else {
27            fprintf(stderr, "Bad mode\n");
28            return 10;
29        }
30        s++;
31    }
32    for (i = 2; i < argc; i++) {
33        if (chmod(argv[i], mode) < 0) {
34            fprintf(stderr, "Unable to chmod %s: %s\n", argv[i], strerror(errno));
35            return 10;
36        }
37    }
38    return 0;
39}
40
41