blob: d78fb87f9bc909dcbf4a81a779a76dcb89696b17 [file] [log] [blame]
#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
#include "__dirent.h"
DIR *fdopendir(int fd)
{
DIR *dir;
struct stat st;
if (fstat(fd, &st) < 0) {
return 0;
}
if (fcntl(fd, F_GETFL) & O_PATH) {
errno = EBADF;
return 0;
}
if (!S_ISDIR(st.st_mode)) {
errno = ENOTDIR;
return 0;
}
if (!(dir = calloc(1, sizeof *dir))) {
return 0;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
dir->fd = fd;
return dir;
}