Function readdir

tools/streamer_recorder/include/msdirent.h:268–313

* Read a directory entry, and return a pointer to a dirent structure * containing the name of the entry in d_name field. Individual directory * entries returned by this very function include regular files, * sub-directories, pseudo-directories "." and "..", but also volume labels, * hidden files and system files may be returned. */

 * hidden files and system files may be returned.
 */
static struct dirent *readdir(DIR *dirp)
{
   DWORD attr;
   if (dirp == NULL) {
      /* directory stream did not open */
      DIRENT_SET_ERRNO (EBADF);
      return NULL;
   }

   /* get next directory entry */
   if (dirp->cached != 0) {
      /* a valid directory entry already in memory */
      dirp->cached = 0;
   } else {
      /* get the next directory entry from stream */
      if (dirp->search_handle == INVALID_HANDLE_VALUE) {
         return NULL;
      }
      if (FindNextFileA (dirp->search_handle, &dirp->find_data) == FALSE) {
         /* the very last entry has been processed or an error occured */
         FindClose (dirp->search_handle);
         dirp->search_handle = INVALID_HANDLE_VALUE;
         return NULL;
      }
   }

   /* copy as a multibyte character string */
   DIRENT_STRNCPY ( dirp->curentry.d_name,
             dirp->find_data.cFileName,
             sizeof(dirp->curentry.d_name) );
   dirp->curentry.d_name[MAX_PATH] = '\0';

   /* compute the length of name */
   dirp->curentry.d_namlen = strlen (dirp->curentry.d_name);

   /* determine file type */
   attr = dirp->find_data.dwFileAttributes;
   if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
      dirp->curentry.d_type = DT_CHR;
   } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
      dirp->curentry.d_type = DT_DIR;
   } else {
      dirp->curentry.d_type = DT_REG;
   }
   return &dirp->curentry;
}


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