fusl/src/dirent/opendir.c

#define _GNU_SOURCE
#include <dirent.h>
#include <fcntl.h>
#include <stdlib.h>
#include "__dirent.h"
#include "syscall.h"

DIR* opendir(const char* name) {
  int fd;
  DIR* dir;

  if ((fd = open(name, O_RDONLY | O_DIRECTORY | O_CLOEXEC)) < 0)
    return 0;
  if (!(dir = calloc(1, sizeof *dir))) {
    __syscall(SYS_close, fd);
    return 0;
  }
  dir->fd = fd;
  return dir;
}