1#include <dirent.h>
2#include <errno.h>
3#include <string.h>
4#include "__dirent.h"
5#include "lock.h"
6
7int readdir_r(DIR *restrict dir, struct dirent *restrict buf, struct dirent **restrict result)
8{
9 struct dirent *de;
10 int errno_save = errno;
11 int ret;
12
13 LOCK(dir->lock);
14 errno = 0;
15 de = readdir(dir);
16 if ((ret = errno)) {
17 UNLOCK(dir->lock);
18 return ret;
19 }
20 errno = errno_save;
21 if (de) memcpy(buf, de, de->d_reclen);
22 else buf = NULL;
23
24 UNLOCK(dir->lock);
25 *result = buf;
26 return 0;
27}