Commit | Line | Data |
---|---|---|
69e53de7 BJ |
1 | static char *sccsid = "@(#)chown.c 4.1 (Berkeley) %G%"; |
2 | /* | |
3 | * chown uid file ... | |
4 | */ | |
5 | ||
6 | #include <stdio.h> | |
7 | #include <ctype.h> | |
8 | #include <sys/types.h> | |
9 | #include <sys/stat.h> | |
10 | #include <pwd.h> | |
11 | ||
12 | struct passwd *pwd,*getpwnam(); | |
13 | struct stat stbuf; | |
14 | int uid; | |
15 | int status; | |
16 | ||
17 | main(argc, argv) | |
18 | char *argv[]; | |
19 | { | |
20 | register c; | |
21 | ||
22 | if(argc < 3) { | |
23 | printf("usage: chown uid file ...\n"); | |
24 | exit(4); | |
25 | } | |
26 | if(isnumber(argv[1])) { | |
27 | uid = atoi(argv[1]); | |
28 | goto cho; | |
29 | } | |
30 | if((pwd=getpwnam(argv[1])) == NULL) { | |
31 | printf("unknown user id: %s\n",argv[1]); | |
32 | exit(4); | |
33 | } | |
34 | uid = pwd->pw_uid; | |
35 | ||
36 | cho: | |
37 | for(c=2; c<argc; c++) { | |
38 | stat(argv[c], &stbuf); | |
39 | if(chown(argv[c], uid, stbuf.st_gid) < 0) { | |
40 | perror(argv[c]); | |
41 | status = 1; | |
42 | } | |
43 | } | |
44 | exit(status); | |
45 | } | |
46 | ||
47 | isnumber(s) | |
48 | char *s; | |
49 | { | |
50 | register c; | |
51 | ||
52 | while(c = *s++) | |
53 | if(!isdigit(c)) | |
54 | return(0); | |
55 | return(1); | |
56 | } |