1.1 --- a/test/util_allocator.c Sat Apr 16 18:02:10 2022 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,126 +0,0 @@
1.4 -/*
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
1.8 - *
1.9 - * Redistribution and use in source and binary forms, with or without
1.10 - * modification, are permitted provided that the following conditions are met:
1.11 - *
1.12 - * 1. Redistributions of source code must retain the above copyright
1.13 - * notice, this list of conditions and the following disclaimer.
1.14 - *
1.15 - * 2. Redistributions in binary form must reproduce the above copyright
1.16 - * notice, this list of conditions and the following disclaimer in the
1.17 - * documentation and/or other materials provided with the distribution.
1.18 - *
1.19 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.20 - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.21 - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.22 - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
1.23 - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.24 - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.25 - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.26 - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.27 - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.28 - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.29 - * POSSIBILITY OF SUCH DAMAGE.
1.30 - */
1.31 -
1.32 -#include "util_allocator.h"
1.33 -#include <string.h>
1.34 -
1.35 -void cx_testing_allocator_add(cx_testing_allocator_s *data, void *ptr) {
1.36 - data->tracked[data->live] = ptr;
1.37 - data->live++;
1.38 -}
1.39 -
1.40 -int cx_testing_allocator_remove(cx_testing_allocator_s *data, void *ptr) {
1.41 - for (int i = 0; i < data->live; i++) {
1.42 - if (data->tracked[i] == ptr) {
1.43 - data->tracked[i] = data->tracked[data->live - 1];
1.44 - data->live--;
1.45 - return 0;
1.46 - }
1.47 - }
1.48 - return 1;
1.49 -}
1.50 -
1.51 -void *cx_malloc_testing(void *d, size_t n) {
1.52 - cx_testing_allocator_s *data = d;
1.53 - void *ptr = malloc(n);
1.54 - data->alloc_total++;
1.55 - if (ptr == NULL) {
1.56 - data->alloc_failed++;
1.57 - } else {
1.58 - cx_testing_allocator_add(data, ptr);
1.59 - }
1.60 - return ptr;
1.61 -}
1.62 -
1.63 -void *cx_realloc_testing(void *d, void *mem, size_t n) {
1.64 - cx_testing_allocator_s *data = d;
1.65 - void *ptr = realloc(mem, n);
1.66 - if (ptr == mem) {
1.67 - return ptr;
1.68 - } else {
1.69 - data->alloc_total++;
1.70 - if (ptr == NULL) {
1.71 - data->alloc_failed++;
1.72 - } else {
1.73 - data->free_total++;
1.74 - if (cx_testing_allocator_remove(data, mem)) {
1.75 - data->free_failed++;
1.76 - }
1.77 - cx_testing_allocator_add(data, ptr);
1.78 - }
1.79 - return ptr;
1.80 - }
1.81 -}
1.82 -
1.83 -void *cx_calloc_testing(void *d, size_t nelem, size_t n) {
1.84 - cx_testing_allocator_s *data = d;
1.85 - void *ptr = calloc(nelem, n);
1.86 - data->alloc_total++;
1.87 - if (ptr == NULL) {
1.88 - data->alloc_failed++;
1.89 - } else {
1.90 - cx_testing_allocator_add(data, ptr);
1.91 - }
1.92 - return ptr;
1.93 -}
1.94 -
1.95 -void cx_free_testing(void *d, void *mem) {
1.96 - cx_testing_allocator_s *data = d;
1.97 - data->free_total++;
1.98 - if (cx_testing_allocator_remove(data, mem)) {
1.99 - data->free_failed++;
1.100 - // do not even attempt to free mem, because it is likely to segfault
1.101 - } else {
1.102 - free(mem);
1.103 - }
1.104 -}
1.105 -
1.106 -cx_allocator_class cx_testing_allocator_class = {
1.107 - cx_malloc_testing,
1.108 - cx_realloc_testing,
1.109 - cx_calloc_testing,
1.110 - cx_free_testing
1.111 -};
1.112 -
1.113 -cx_testing_allocator_s cx_testing_allocator_data;
1.114 -
1.115 -struct cx_allocator_s cx_testing_allocator = {
1.116 - &cx_testing_allocator_class,
1.117 - &cx_testing_allocator_data
1.118 -};
1.119 -CxAllocator *cxTestingAllocator = &cx_testing_allocator;
1.120 -
1.121 -void cxTestingAllocatorReset(void) {
1.122 - memset(&cx_testing_allocator_data, 0, sizeof(cx_testing_allocator_s));
1.123 -}
1.124 -
1.125 -bool cxTestingAllocatorVerify(void) {
1.126 - return cx_testing_allocator_data.live == 0
1.127 - && cx_testing_allocator_data.alloc_failed == 0 && cx_testing_allocator_data.free_failed == 0
1.128 - && cx_testing_allocator_data.alloc_total == cx_testing_allocator_data.free_total;
1.129 -}
