diff options
Diffstat (limited to 'p11-kit/ptr-array.c')
| -rw-r--r-- | p11-kit/ptr-array.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/p11-kit/ptr-array.c b/p11-kit/ptr-array.c deleted file mode 100644 index f393641..0000000 --- a/p11-kit/ptr-array.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (c) 2011 Collabora Ltd. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above - * copyright notice, this list of conditions and the - * following disclaimer. - * * Redistributions in binary form must reproduce the - * above copyright notice, this list of conditions and - * the following disclaimer in the documentation and/or - * other materials provided with the distribution. - * * The names of contributors to this software may not be - * used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF - * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - */ - -#include "config.h" - -#include "ptr-array.h" - -#include <stdlib.h> -#include <string.h> - -struct ptr_array { - void **memory; - unsigned int length; - unsigned int allocated; - ptr_array_destroy_func destroy; -}; - -static int -maybe_expand_array (ptr_array_t *array, - unsigned int length) -{ - unsigned int new_allocated; - void **new_memory; - - if (length <= array->allocated) - return 1; - - new_allocated = array->allocated + 16; - if (new_allocated < length) - new_allocated = length; - - new_memory = realloc (array->memory, new_allocated * sizeof (void*)); - if (new_memory == NULL) - return 0; - - array->memory = new_memory; - array->allocated = new_allocated; - return 1; -} - -ptr_array_t * -_p11_ptr_array_create (ptr_array_destroy_func destroy_func) -{ - ptr_array_t *array; - - array = calloc (1, sizeof (ptr_array_t)); - if (array == NULL) - return NULL; - - if (!maybe_expand_array (array, 2)) { - _p11_ptr_array_free (array); - return NULL; - } - - array->destroy = destroy_func; - return array; -} - -void -_p11_ptr_array_free (ptr_array_t *array) -{ - unsigned int i; - - if (array == NULL) - return; - - if (array->destroy) { - for (i = 0; i < array->length; i++) - (array->destroy) (array->memory[i]); - } - - free (array->memory); - free (array); -} - -unsigned int -_p11_ptr_array_count (ptr_array_t *array) -{ - return array->length; -} - -int -_p11_ptr_array_add (ptr_array_t *array, - void *value) -{ - if (!maybe_expand_array (array, array->length + 1)) - return 0; - - array->memory[array->length] = value; - array->length++; - return 1; -} - -void -_p11_ptr_array_remove (ptr_array_t *array, - unsigned int index) -{ - if (array->destroy) - (array->destroy) (array->memory[index]); - memmove (array->memory + index, array->memory + index + 1, - (array->length - (index + 1)) * sizeof (void*)); - array->length--; -} - -void * -_p11_ptr_array_at (ptr_array_t *array, - unsigned int index) -{ - return array->memory[index]; -} - -void ** -_p11_ptr_array_snapshot (ptr_array_t *array) -{ - void **snapshot; - size_t bytes; - - bytes = array->length * sizeof (void*); - snapshot = malloc (bytes); - if (!snapshot) - return NULL; - - memcpy (snapshot, array->memory, bytes); - return snapshot; -} |