1 /* Example for creating a struct dirent object for use with glob. 2 Copyright (C) 2016-2021 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 * mkdirent(const char * name)25mkdirent (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 } 43