src/dirent/readdir_r.c

   1 #include <dirent.h>
   2 #include <errno.h>
   3 #include <string.h>
   4 #include "__dirent.h"
   5 #include "lock.h"
   6
   7 int 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 }