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/*
*
* Copyright (c) 2022 Project CHIP Authors
* All rights reserved.
*
* 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.
*/
/**
* @file
* This file implements heap memory allocation APIs for CHIP. These functions are platform
* specific and might be C Standard Library heap functions re-direction in most of cases.
*
*/
// #include <lib/core/CHIPConfig.h>
#include "matter_pal.h"
#include <lib/support/CHIPMem.h>
#include <platform/PlatformManager.h>
#include <atomic>
#include <cstdio>
#include <cstring>
#include <stdlib.h>
#if CHIP_CONFIG_MEMORY_MGMT_PLATFORM
namespace chip {
namespace Platform {
#define VERIFY_INITIALIZED() VerifyInitialized(__func__)
static std::atomic_int memoryInitialized{ 0 };
static void VerifyInitialized(const char * func)
{
#if 0
if (!memoryInitialized)
{
fprintf(stderr, "ABORT: chip::Platform::%s() called before chip::Platform::MemoryInit()\n", func);
abort();
}
#endif
}
CHIP_ERROR MemoryAllocatorInit(void * buf, size_t bufSize)
{
#ifndef NDEBUG
if (memoryInitialized++ > 0)
{
fprintf(stderr, "ABORT: chip::Platform::MemoryInit() called twice.\n");
abort();
}
#endif
return CHIP_NO_ERROR;
}
void MemoryAllocatorShutdown()
{
#ifndef NDEBUG
if (--memoryInitialized < 0)
{
fprintf(stderr, "ABORT: chip::Platform::MemoryShutdown() called twice.\n");
abort();
}
#endif
}
void * MemoryAlloc(size_t size)
{
void * ptr;
VERIFY_INITIALIZED();
ptr = os_zalloc(size); // NULL;
return ptr;
}
void * MemoryAlloc(size_t size, bool isLongTermAlloc)
{
void * ptr;
VERIFY_INITIALIZED();
ptr = os_zalloc(size);
return ptr;
}
void * MemoryCalloc(size_t num, size_t size)
{
VERIFY_INITIALIZED();
void * ptr = os_zalloc(num * size);
return ptr;
}
void * MemoryRealloc(void * p, size_t size)
{
VERIFY_INITIALIZED();
p = os_realloc(p, size);
return p;
}
void MemoryFree(void * p)
{
VERIFY_INITIALIZED();
os_free(p);
}
bool MemoryInternalCheckPointer(const void * p, size_t min_size)
{
return (p != nullptr);
}
} // namespace Platform
} // namespace chip
#endif // CHIP_CONFIG_MEMORY_MGMT_PLATFORM