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Diffstat (limited to '')
-rw-r--r-- | src/wchar/wmemdup.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/wchar/wmemdup.c b/src/wchar/wmemdup.c new file mode 100644 index 0000000..196009b --- /dev/null +++ b/src/wchar/wmemdup.c @@ -0,0 +1,40 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ +#include <wchar.h> +#include <stdlib.h> + + + +/** + * Duplicate a memory segment. + * + * This is a slibc extension added for completeness. + * + * @param segment The memory segment to duplicate. + * @param size The size of the memory segment. + * @return The new segment. `NULL` is returned on error + * and `errno` is set to indicate the error. + * + * @throws ENOMEM The process could not allocate sufficient amount of memory. + */ +wchar_t* wmemdup(const wchar_t* segment, size_t size) +{ + wchar_t* r = malloc(size * sizeof(wchar_t)); + return r == NULL ? NULL : wmemcpy(r, segment, size); +} + |