75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
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/************************************************************//**
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*
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* @file: platform_memory.h
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* @author: Martin Fouilleul
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* @date: 10/09/2021
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* @revision:
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*
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*****************************************************************/
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#ifndef __PLATFORM_MEMORY_H_
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#define __PLATFORM_MEMORY_H_
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#include"typedefs.h"
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#include"platform.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------------------
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//NOTE(martin): base allocator
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//--------------------------------------------------------------------------------
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typedef struct mem_base_allocator mem_base_allocator;
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typedef void*(*mem_reserve_function)(mem_base_allocator* context, u64 size);
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typedef void(*mem_modify_function)(mem_base_allocator* context, void* ptr, u64 size);
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typedef struct mem_base_allocator
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{
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mem_reserve_function reserve;
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mem_modify_function commit;
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mem_modify_function decommit;
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mem_modify_function release;
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} mem_base_allocator;
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MP_API mem_base_allocator* mem_base_allocator_default();
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#define mem_base_reserve(base, size) base->reserve(base, size)
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#define mem_base_commit(base, ptr, size) base->commit(base, ptr, size)
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#define mem_base_decommit(base, ptr, size) base->decommit(base, ptr, size)
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#define mem_base_release(base, ptr, size) base->release(base, ptr, size)
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//--------------------------------------------------------------------------------
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//NOTE(martin): malloc/free
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//--------------------------------------------------------------------------------
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#if PLATFORM_ORCA
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void* malloc(size_t size);
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void* realloc(void* ptr, size_t size);
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void free(void* ptr);
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#else
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#include<stdlib.h>
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#endif
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#define malloc_type(type) ((type*)malloc(sizeof(type)))
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#define malloc_array(type, count) ((type*)malloc(sizeof(type)*count))
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//--------------------------------------------------------------------------------
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//NOTE(martin): memset / memcpy
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//--------------------------------------------------------------------------------
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#if PLATFORM_ORCA
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void* memset(void *b, int c, size_t len);
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void* memcpy(void *restrict dst, const void *restrict src, size_t n);
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void* memmove(void *dst, const void *src, size_t len);
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int memcmp(const void *s1, const void *s2, size_t n);
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#else
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#include<string.h>
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif //__PLATFORM_MEMORY_H_
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