jehanne/sys/src/cmd/chgrp.c

54 lines
1.0 KiB
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#include <u.h>
#include <lib9.h>
int readgid(char*);
int uflag;
void
main(int argc, char *argv[])
{
int i;
Dir dir;
char *group;
char *errs;
ARGBEGIN {
default:
usage:
fprint(2, "usage: chgrp [ -uo ] group file ....\n");
exits("usage");
return;
case 'u':
case 'o':
uflag++;
break;
} ARGEND
if(argc < 1)
goto usage;
group = argv[0];
errs = 0;
for(i=1; i<argc; i++){
nulldir(&dir);
if(uflag)
dir.uid = group;
else
dir.gid = group;
if(dirwstat(argv[i], &dir) == -1) {
fprint(2, "chgrp: can't wstat %s: %r\n", argv[i]);
errs = "can't wstat";
continue;
}
}
exits(errs);
}