1  /* Example for creating a struct dirent object for use with glob.
       2     Copyright (C) 2016-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU General Public License
       6     as published by the Free Software Foundation; either version 2
       7     of the License, or (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program; if not, see <https://www.gnu.org/licenses/>.
      16  */
      17  
      18  #include <dirent.h>
      19  #include <errno.h>
      20  #include <stddef.h>
      21  #include <stdlib.h>
      22  #include <string.h>
      23  
      24  struct dirent *
      25  mkdirent (const char *name)
      26  {
      27    size_t dirent_size = offsetof (struct dirent, d_name) + 1;
      28    size_t name_length = strlen (name);
      29    size_t total_size = dirent_size + name_length;
      30    if (total_size < dirent_size)
      31      {
      32        errno = ENOMEM;
      33        return NULL;
      34      }
      35    struct dirent *result = malloc (total_size);
      36    if (result == NULL)
      37      return NULL;
      38    result->d_type = DT_UNKNOWN;
      39    result->d_ino = 1;            /* Do not skip this entry.  */
      40    memcpy (result->d_name, name, name_length + 1);
      41    return result;
      42  }