sbase/chmod.c

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/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>
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#include "util.h"
static int Rflag = 0;
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static char *modestr = "";
static mode_t mask = 0;
static int ret = 0;
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void
chmodr(const char *path, int depth)
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{
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struct stat st;
mode_t m;
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if (stat(path, &st) < 0) {
weprintf("stat %s:", path);
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ret = 1;
return;
}
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m = parsemode(modestr, st.st_mode, mask);
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if (chmod(path, m) < 0) {
weprintf("chmod %s:", path);
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ret = 1;
}
if (Rflag)
recurse(path, chmodr, depth);
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}
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static void
usage(void)
{
eprintf("usage: %s [-R [-H | -L | -P]] mode file ...\n", argv0);
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}
int
main(int argc, char *argv[])
{
size_t i;
argv0 = argv[0];
for (i = 1; i < argc && argv[i][0] == '-'; i++) {
switch (argv[i][1]) {
case 'R':
Rflag = 1;
break;
case 'H':
case 'L':
case 'P':
recurse_follow = argv[i][1];
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break;
case 'r': case 'w': case 'x': case 's': case 't':
/*
* -[rwxst] are valid modes so do not interpret
* them as options - in any case we are done if
* we hit this case
*/
goto done;
default:
usage();
}
}
done:
mask = getumask();
modestr = argv[i];
if (argc - i - 1 < 1)
usage();
for (++i; i < argc; i++)
chmodr(argv[i], 0);
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return ret;
}