mirror of
https://github.com/cuberite/libdeflate.git
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944500af9f
In preparation for adding custom memory allocator support, don't call the standard memory allocation functions directly but rather wrap them with libdeflate_malloc() and libdeflate_free().
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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* utils.c - utility functions for libdeflate
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*
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* Copyright 2016 Eric Biggers
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include "lib_common.h"
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void *
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libdeflate_malloc(size_t size)
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{
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return malloc(size);
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}
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void
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libdeflate_free(void *ptr)
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{
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free(ptr);
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}
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void *
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libdeflate_aligned_malloc(size_t alignment, size_t size)
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{
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void *ptr = libdeflate_malloc(sizeof(void *) + alignment - 1 + size);
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if (ptr) {
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void *orig_ptr = ptr;
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ptr = (void *)ALIGN((uintptr_t)ptr + sizeof(void *), alignment);
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((void **)ptr)[-1] = orig_ptr;
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}
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return ptr;
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}
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void
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libdeflate_aligned_free(void *ptr)
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{
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if (ptr)
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libdeflate_free(((void **)ptr)[-1]);
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}
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