94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* Copyright (C) 2016 YunOS Project. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <csi_config.h>
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#include <string.h>
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#ifndef CONFIG_KERNEL_NONE
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#include <csi_kernel.h>
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#else
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#include <umm_heap.h>
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#endif
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#ifndef MALLOC_WEAK
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#define MALLOC_WEAK __attribute__((weak))
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#endif
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MALLOC_WEAK void *malloc(size_t size)
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{
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void *ret;
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#ifdef CONFIG_KERNEL_NONE
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ret = mm_malloc(USR_HEAP, size, __builtin_return_address(0));
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#else
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ret = csi_kernel_malloc(size, __builtin_return_address(0));
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#endif
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return ret;
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}
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MALLOC_WEAK void free(void *ptr)
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{
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#ifdef CONFIG_KERNEL_NONE
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mm_free(USR_HEAP, ptr, __builtin_return_address(0));
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#else
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csi_kernel_free(ptr, __builtin_return_address(0));
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#endif
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}
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MALLOC_WEAK void *realloc(void *ptr, size_t size)
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{
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void *new_ptr;
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#ifdef CONFIG_KERNEL_NONE
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new_ptr = mm_malloc(USR_HEAP, size, __builtin_return_address(0));
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#else
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new_ptr = csi_kernel_malloc(size, __builtin_return_address(0));
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#endif
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if (new_ptr == NULL) {
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return new_ptr;
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}
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if (ptr) {
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memcpy(new_ptr, ptr, size);
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#ifdef CONFIG_KERNEL_NONE
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mm_free(USR_HEAP, ptr, __builtin_return_address(0));
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#else
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csi_kernel_free(ptr, __builtin_return_address(0));
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#endif
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}
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return new_ptr;
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}
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MALLOC_WEAK void *calloc(size_t nmemb, size_t size)
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{
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void *ptr = NULL;
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#ifdef CONFIG_KERNEL_NONE
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ptr = mm_malloc(USR_HEAP, size * nmemb, __builtin_return_address(0));
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#else
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ptr = csi_kernel_malloc(size * nmemb, __builtin_return_address(0));
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#endif
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if (ptr) {
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memset(ptr, 0, size * nmemb);
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}
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return ptr;
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}
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