Commit | Line | Data |
---|---|---|
3b600ead TL |
1 | /* |
2 | * chgrp gid file ... | |
3 | */ | |
4 | ||
5 | #include <stdio.h> | |
6 | #include <ctype.h> | |
7 | #include <sys/types.h> | |
8 | #include <sys/stat.h> | |
9 | #include <grp.h> | |
10 | ||
11 | struct group *gr,*getgrnam(); | |
12 | struct stat stbuf; | |
13 | int gid; | |
14 | int status; | |
15 | ||
16 | main(argc, argv) | |
17 | char *argv[]; | |
18 | { | |
19 | register c; | |
20 | ||
21 | if(argc < 3) { | |
22 | printf("usage: chgrp gid file ...\n"); | |
23 | exit(4); | |
24 | } | |
25 | if(isnumber(argv[1])) { | |
26 | gid = atoi(argv[1]); | |
27 | } else { | |
28 | if((gr=getgrnam(argv[1])) == NULL) { | |
29 | printf("unknown group: %s\n",argv[1]); | |
30 | exit(4); | |
31 | } | |
32 | gid = gr->gr_gid; | |
33 | } | |
34 | for(c=2; c<argc; c++) { | |
35 | stat(argv[c], &stbuf); | |
36 | if(chown(argv[c], stbuf.st_uid, gid) < 0) { | |
37 | perror(argv[c]); | |
38 | status = 1; | |
39 | } | |
40 | } | |
41 | exit(status); | |
42 | } | |
43 | ||
44 | isnumber(s) | |
45 | char *s; | |
46 | { | |
47 | register c; | |
48 | ||
49 | while(c = *s++) | |
50 | if(!isdigit(c)) | |
51 | return(0); | |
52 | return(1); | |
53 | } |