34 lines
1.4 KiB
C
34 lines
1.4 KiB
C
#ifndef MEM_ALLOCATOR_H
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#define MEM_ALLOCATOR_H
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#include "../../common/aliases/aliases.h"
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#include "../../common/platform/platform.h"
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#include <string.h>
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typedef void *(MemAllocFunc)(u64 size, void *alloc_obj);
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typedef void *(MemAllocAlignedFunc)(u64 size, u64 alignment, void *alloc_obj);
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typedef void *(MemReallocFunc)(void *ptr, u64 old_size, u64 new_size, void *alloc_obj);
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typedef void *(MemReallocAlignedFunc)(void *ptr, u64 old_size, u64 new_size, u64 alignment, void *alloc_obj);
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typedef void (MemFreeFunc)(void **ptr, u64 size, void *alloc_obj);
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typedef struct allocator Allocator;
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struct allocator {
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void *obj;
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MemAllocFunc *alloc;
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MemAllocAlignedFunc *alloc_aligned;
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MemReallocFunc *realloc;
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MemReallocAlignedFunc *realloc_aligned;
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MemFreeFunc *free;
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};
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#define wapp_mem_allocator_invalid(ALLOCATOR) (memcmp(ALLOCATOR, &((Allocator){0}), sizeof(Allocator)) == 0)
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void *wapp_mem_allocator_alloc(const Allocator *allocator, u64 size);
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void *wapp_mem_allocator_alloc_aligned(const Allocator *allocator, u64 size, u64 alignment);
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void *wapp_mem_allocator_realloc(const Allocator *allocator, void *ptr, u64 old_size, u64 new_size);
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void *wapp_mem_allocator_realloc_aligned(const Allocator *allocator, void *ptr, u64 old_size,
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u64 new_size, u64 alignment);
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void wapp_mem_allocator_free(const Allocator *allocator, void **ptr, u64 size);
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#endif // !MEM_ALLOCATOR_H
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