1#include <dirent.h>
2#include <errno.h>
3#include "__dirent.h"
4#include "syscall.h"
5#include "libc.h"
6
7int __getdents(int, struct dirent *, size_t);
8
9struct dirent *readdir(DIR *dir)
10{
11	struct dirent *de;
12
13	if (dir->buf_pos >= dir->buf_end) {
14		int len = __syscall(SYS_getdents, dir->fd, dir->buf, sizeof dir->buf);
15		if (len <= 0) {
16			if (len < 0 && len != -ENOENT) errno = -len;
17			return 0;
18		}
19		dir->buf_end = len;
20		dir->buf_pos = 0;
21	}
22	de = (void *)(dir->buf + dir->buf_pos);
23	dir->buf_pos += de->d_reclen;
24	dir->tell = de->d_off;
25	return de;
26}
27
28LFS64(readdir);
29