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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#include <stdlib.h>
#include <string.h>
#include "osi/include/allocator.h"
#include "osi/include/allocation_tracker.h"
static const allocator_id_t alloc_allocator_id = 42;
char *osi_strdup(const char *str) {
size_t size = strlen(str) + 1; // + 1 for the null terminator
size_t real_size = allocation_tracker_resize_for_canary(size);
char *new_string = allocation_tracker_notify_alloc(
alloc_allocator_id,
malloc(real_size),
size);
if (!new_string)
return NULL;
memcpy(new_string, str, size);
return new_string;
}
void *osi_malloc(size_t size) {
size_t real_size = allocation_tracker_resize_for_canary(size);
return allocation_tracker_notify_alloc(
alloc_allocator_id,
malloc(real_size),
size);
}
void *osi_calloc(size_t size) {
size_t real_size = allocation_tracker_resize_for_canary(size);
return allocation_tracker_notify_alloc(
alloc_allocator_id,
calloc(1, real_size),
size);
}
void osi_free(void *ptr) {
free(allocation_tracker_notify_free(alloc_allocator_id, ptr));
}
const allocator_t allocator_malloc = {
osi_malloc,
osi_free
};
const allocator_t allocator_calloc = {
osi_calloc,
osi_free
};
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