71 lines
1.1 KiB
C
71 lines
1.1 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <errno.h>
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#include <grp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "util.h"
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static int gid;
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static int failures = 0;
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static int rflag = 0;
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static struct stat st;
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static void
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usage(void)
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{
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eprintf("usage: chgrp [-R] groupname file...\n");
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}
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static void
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chgrp(const char *path)
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{
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if (chown(path, st.st_uid, gid) == -1) {
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fprintf(stderr, "chgrp: '%s': %s\n", path, strerror(errno));
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failures++;
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}
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if (rflag)
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recurse(path, chgrp);
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}
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int
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main(int argc, char *argv[])
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{
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struct group *gr;
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ARGBEGIN {
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case 'R':
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rflag = 1;
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break;
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default:
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usage();
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} ARGEND;
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if (argc < 2)
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usage();
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errno = 0;
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gr = getgrnam(argv[0]);
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if (errno)
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eprintf("getgrnam %s:");
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else if (!gr)
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eprintf("getgrnam %s: no such group\n", argv[0]);
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gid = gr->gr_gid;
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while (*++argv) {
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if (stat(*argv, &st) == -1) {
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fprintf(stderr, "stat %s: %s\n", *argv,
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strerror(errno));
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failures++;
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continue;
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}
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chgrp(*argv);
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}
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return failures;
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}
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