| /* Increase the size of a dynamic array and clear the new part. |
| Copyright (C) 2017-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <dynarray.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| bool |
| __libc_dynarray_resize_clear (struct dynarray_header *list, size_t size, |
| void *scratch, size_t element_size) |
| { |
| size_t old_size = list->used; |
| if (!__libc_dynarray_resize (list, size, scratch, element_size)) |
| return false; |
| /* __libc_dynarray_resize already checked for overflow. */ |
| memset (list->array + (old_size * element_size), 0, |
| (size - old_size) * element_size); |
| return true; |
| } |
| libc_hidden_def (__libc_dynarray_resize_clear) |