src/dirent/opendir.c

   1 #define _GNU_SOURCE
   2 #include <dirent.h>
   3 #include <fcntl.h>
   4 #include <stdlib.h>
   5 #include "__dirent.h"
   6 #include "syscall.h"
   7
   8 DIR *opendir(const char *name)
   9 {
  10         int fd;
  11         DIR *dir;
  12
  13         if ((fd = open(name, O_RDONLY|O_DIRECTORY|O_CLOEXEC)) < 0)
  14                 return 0;
  15         if (!(dir = calloc(1, sizeof *dir))) {
  16                 __syscall(SYS_close, fd);
  17                 return 0;
  18         }
  19         dir->fd = fd;
  20         return dir;
  21 }