sbase/chgrp.c

80 lines
1.3 KiB
C
Raw Normal View History

/* See LICENSE file for copyright and license details. */
2015-02-14 20:02:41 +00:00
#include <sys/stat.h>
2013-06-09 13:20:55 +00:00
#include <errno.h>
#include <grp.h>
#include <unistd.h>
2013-06-09 13:20:55 +00:00
#include "util.h"
2013-10-07 15:12:09 +00:00
static int gid;
static int status;
static int Rflag;
static int fflag = 'P';
static struct stat st;
2015-02-12 20:56:06 +00:00
static char *chown_f_name = "chown";
static int (*chown_f)(const char *, uid_t, gid_t) = chown;
2013-06-09 13:20:55 +00:00
static void
chgrp(const char *path, int fflag)
2013-06-09 13:20:55 +00:00
{
2015-02-12 20:56:06 +00:00
if (chown_f(path, st.st_uid, gid) < 0) {
weprintf("%s %s:", chown_f_name, path);
status = 1;
2013-06-09 13:20:55 +00:00
}
if (Rflag)
recurse(path, chgrp, fflag);
2013-06-09 13:20:55 +00:00
}
2015-02-12 20:56:06 +00:00
static void
usage(void)
{
eprintf("usage: chgrp [-h] [-R [-H | -L | -P]] group file ...\n");
2015-02-12 20:56:06 +00:00
}
2013-06-09 13:20:55 +00:00
int
2014-04-18 10:51:18 +00:00
main(int argc, char *argv[])
2013-06-09 13:20:55 +00:00
{
struct group *gr;
ARGBEGIN {
2015-02-12 20:56:06 +00:00
case 'h':
chown_f_name = "lchown";
chown_f = lchown;
break;
2013-06-09 13:20:55 +00:00
case 'R':
Rflag = 1;
2013-06-09 13:20:55 +00:00
break;
case 'H':
case 'L':
case 'P':
fflag = ARGC();
break;
2013-06-09 13:20:55 +00:00
default:
usage();
} ARGEND;
if (argc < 2 || (chown_f == lchown && Rflag))
2013-06-09 13:20:55 +00:00
usage();
errno = 0;
2013-06-09 13:20:55 +00:00
gr = getgrnam(argv[0]);
if (!gr) {
if (errno)
eprintf("getgrnam %s:", argv[0]);
else
eprintf("getgrnam %s: no such group\n", argv[0]);
}
2013-06-09 13:20:55 +00:00
gid = gr->gr_gid;
while (*++argv) {
2014-11-19 19:59:37 +00:00
if (stat(*argv, &st) < 0) {
weprintf("stat %s:", *argv);
status = 1;
2013-06-09 13:20:55 +00:00
continue;
}
chgrp(*argv, fflag);
2013-06-09 13:20:55 +00:00
}
return status;
2013-06-09 13:20:55 +00:00
}