memory.h

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#pragma once
 
#include <banjo/api.h>

typedef void* (*bj_malloc_fn)(
    void* p_user_data,
    size_t size
);

typedef void* (*bj_realloc_fn)(
    void* p_user_data,
    void* p_original,
    size_t size
);

typedef void (*bj_free_fn)(
    void* p_user_data,
    void* p_memory
);

typedef struct bj_memory_callbacks {
    void*         p_user_data;       
    bj_malloc_fn  fn_allocation;     
    bj_realloc_fn fn_reallocation;   
    bj_free_fn    fn_free;           
} bj_memory_callbacks;

BANJO_EXPORT void* bj_malloc(
    size_t size
);

BANJO_EXPORT void* bj_calloc(
    size_t size
);

BANJO_EXPORT void* bj_realloc(
    void* p_memory,
    size_t size
);

BANJO_EXPORT void bj_free(
    void* p_memory
);

BANJO_EXPORT void bj_memory_set_defaults(
    const bj_memory_callbacks* p_allocator
);

BANJO_EXPORT void bj_memory_unset_defaults(void);

BANJO_EXPORT void* bj_memcpy(
    void* p_dest,
    const void* p_src,
    size_t mem_size
);

BANJO_EXPORT void* bj_memmove(
    void* p_dest,
    const void* p_src,
    size_t mem_size
);

BANJO_EXPORT int bj_memcmp(
    const void* p_block_a,
    const void* p_block_b,
    size_t size
);

BANJO_EXPORT void bj_memset(
    void* p_dest,
    uint8_t value,
    size_t mem_size
);

BANJO_EXPORT void bj_memzero(
    void* p_dest,
    size_t mem_size
);