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/* See LICENSE file for copyright and license details. */
#include <fcntl.h>
#include <string.h>
#include "fs.h"
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [-f] [-iRr] file ...\n", argv0);
}
static int
forbidden(char *path, struct stat *root)
{
char *s, *t;
size_t n;
struct stat st;
static int w1, w2;
n = strlen(path);
for (t = path + n; t > path && t[-1] == '/'; --t)
;
for (s = t; s > path && s[-1] != '/'; --s)
;
n = t - s;
if (n == 1 && *s == '.' || n == 2 && s[0] == '.' && s[1] == '.') {
if (!w1)
weprintf("\".\" and \"..\" may not be removed\n");
w1 = 1;
return 1;
}
if (stat(path, &st) < 0)
return 0;
if (st.st_dev == root->st_dev && st.st_ino == root->st_ino) {
if (!w2)
weprintf("\"/\" may not be removed\n");
w2 = 1;
return 1;
}
return 0;
}
int
main(int argc, char *argv[])
{
char *s;
struct stat st;
struct recursor r = { .fn = rm, .maxdepth = 1, .follow = 'P' };
ARGBEGIN {
case 'f':
r.flags |= SILENT | IGNORE;
break;
case 'i':
r.flags |= CONFIRM;
break;
case 'R':
case 'r':
r.maxdepth = 0;
break;
default:
usage();
} ARGEND
if (!argc) {
if (!(r.flags & IGNORE))
usage();
else
return 0;
}
if (stat("/", &st) < 0)
eprintf("stat root:");
for (; *argv; argc--, argv++) {
if (forbidden(*argv, &st)) {
rm_status = 1;
continue;
}
recurse(AT_FDCWD, *argv, NULL, &r);
}
return rm_status || recurse_status;
}
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