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137fe72e | 1 | /* Example for creating a struct dirent object for use with glob. |
04277e02 | 2 | Copyright (C) 2016-2019 Free Software Foundation, Inc. |
137fe72e FW |
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 | |
5a82c748 | 15 | along with this program; if not, see <https://www.gnu.org/licenses/>. |
137fe72e FW |
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 | } |