master xplshn/aruu / shared / libutil / recurse_dir.c
 1/* See LICENSE file for copyright and license details. */
 2#include <dirent.h>
 3#include <limits.h>
 4#include <stdio.h>
 5#include <stdlib.h>
 6#include <string.h>
 7#include <sys/stat.h>
 8#include <sys/types.h>
 9#include <unistd.h>
10
11#include "../util.h"
12
13void
14recurse_dir(const char *path, void (*fn)(const char *))
15{
16	char buf[PATH_MAX];
17	struct dirent *d;
18	struct stat st;
19	DIR *dp;
20
21	if (lstat(path, &st) == -1 || S_ISDIR(st.st_mode) == 0)
22		return;
23
24	if (!(dp = opendir(path)))
25		eprintf("opendir %s:", path);
26
27	while ((d = readdir(dp))) {
28		if (strcmp(d->d_name, ".") == 0 ||
29		    strcmp(d->d_name, "..") == 0)
30			continue;
31		if (strlcpy(buf, path, sizeof(buf)) >= sizeof(buf))
32			eprintf("path too long\n");
33		if (buf[strlen(buf) - 1] != '/')
34			if (strlcat(buf, "/", sizeof(buf)) >= sizeof(buf))
35				eprintf("path too long\n");
36		if (strlcat(buf, d->d_name, sizeof(buf)) >= sizeof(buf))
37			eprintf("path too long\n");
38		fn(buf);
39	}
40
41	closedir(dp);
42}