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Diffstat (limited to 'manual/examples/mkdirent.c')
-rw-r--r-- | manual/examples/mkdirent.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/manual/examples/mkdirent.c b/manual/examples/mkdirent.c new file mode 100644 index 0000000..f8400f4 --- /dev/null +++ b/manual/examples/mkdirent.c @@ -0,0 +1,42 @@ +/* Example for creating a struct dirent object for use with glob. + Copyright (C) 2016 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, if not, see <http://www.gnu.org/licenses/>. +*/ + +#include <dirent.h> +#include <errno.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +struct dirent * +mkdirent (const char *name) +{ + size_t dirent_size = offsetof (struct dirent, d_name) + 1; + size_t name_length = strlen (name); + size_t total_size = dirent_size + name_length; + if (total_size < dirent_size) + { + errno = ENOMEM; + return NULL; + } + struct dirent *result = malloc (total_size); + if (result == NULL) + return NULL; + result->d_type = DT_UNKNOWN; + result->d_ino = 1; /* Do not skip this entry. */ + memcpy (result->d_name, name, name_length + 1); + return result; +} |