esp-idf/components/bt/bluedroid/osi/allocator.c

/******************************************************************************
 *
 *  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 "bt_defs.h"
#include "allocator.h"

extern void *pvPortZalloc(size_t size);
extern void vPortFree(void *pv);

char *osi_strdup(const char *str)
{
    size_t size = strlen(str) + 1;  // + 1 for the null terminator
    char *new_string = (char *)calloc(1, size);

    if (!new_string) {
        return NULL;
    }

    memcpy(new_string, str, size);
    return new_string;
}

void *osi_malloc(size_t size)
{
    return calloc(1, size);
}

void *osi_calloc(size_t size)
{
    return calloc(1, size);
}

void osi_free(void *ptr)
{
    free(ptr);
}

const allocator_t allocator_malloc = {
    osi_malloc,
    osi_free
};

const allocator_t allocator_calloc = {
    osi_calloc,
    osi_free
};