89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <sys/stat.h>
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#include "fs.h"
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#include "util.h"
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static int Rflag = 0;
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static char *modestr = "";
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static mode_t mask = 0;
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static int ret = 0;
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static void
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chmodr(const char *path, void *data, struct recursor *r)
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{
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struct stat st;
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mode_t m;
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if (stat(path, &st) < 0) {
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weprintf("stat %s:", path);
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ret = 1;
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return;
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}
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m = parsemode(modestr, st.st_mode, mask);
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if (chmod(path, m) < 0) {
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weprintf("chmod %s:", path);
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ret = 1;
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} else if (Rflag)
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recurse(path, NULL, r);
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}
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static void
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usage(void)
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{
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eprintf("usage: %s [-R [-H | -L | -P]] mode file ...\n", argv0);
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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 recursor r = { .fn = chmodr, .hist = NULL, .depth = 0, .follow = 'P', .flags = 0};
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size_t i;
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argv0 = *(argv++);
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argc--;
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for (; *argv && (*argv)[0] == '-'; argc--, argv++) {
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if (!(*argv)[1])
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usage();
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for (i = 1; (*argv)[i]; i++) {
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switch ((*argv)[i]) {
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case 'R':
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Rflag = 1;
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break;
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case 'H':
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case 'L':
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case 'P':
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r.follow = (*argv)[i];
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break;
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case 'r': case 'w': case 'x': case 's': case 't':
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/* -[rwxst] are valid modes, so we're done */
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if (i == 1)
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goto done;
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/* fallthrough */
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case '-':
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/* -- terminator */
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if (i == 1 && !(*argv)[i + 1]) {
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argv++;
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argc--;
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goto done;
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}
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/* fallthrough */
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default:
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usage();
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}
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}
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}
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done:
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mask = getumask();
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modestr = *argv;
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if (argc < 2)
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usage();
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for (--argc, ++argv; *argv; argc--, argv++)
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chmodr(*argv, NULL, &r);
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return ret || recurse_status;
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}
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