1 | /* Example for creating a struct dirent object for use with glob. |
2 | Copyright (C) 2016-2024 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 (size: 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 | } |
43 | |