vl_arena.h

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#ifndef VL_ARENA_H
#define VL_ARENA_H
 
#include "vl_set.h"
 
typedef vl_uintptr_t       vl_arena_ptr;
 
#ifdef VL_ARENA_NULL
#undef VL_ARENA_NULL
#endif
 
#define VL_ARENA_NULL 0
 
typedef struct vl_arena_node{
    vl_arena_ptr        offset;
    vl_memsize_t        size;
} vl_arena_node;
 
typedef struct{
    vl_memory*  data;       //Block of memory.
    vl_set      freeSet;    //set is ordered according to the offset of each free node.
} vl_arena;
 
void        vlArenaInit(vl_arena* arena, vl_memsize_t initialSize);
 
void        vlArenaFree(vl_arena* arena);
 
vl_arena*    vlArenaNew(vl_memsize_t initialSize);
 
void        vlArenaDelete(vl_arena* arena);
 
void        vlArenaClear(vl_arena* arena);
 
 
vl_arena*    vlArenaClone(const vl_arena* src, vl_arena* dest);
 
void        vlArenaReserve(vl_arena* arena, vl_memsize_t numBytes);
 
vl_arena_ptr vlArenaMemAlloc(vl_arena* arena, vl_memsize_t size);
 
vl_arena_ptr    vlArenaMemRealloc(vl_arena* arena, vl_arena_ptr ptr, vl_memsize_t size);
 
void        vlArenaMemFree(vl_arena* arena, vl_arena_ptr ptr);
 
vl_arena_ptr    vlArenaMemPrepend(vl_arena* arena, vl_arena_ptr dst, const void* src, vl_memsize_t length);
 
vl_arena_ptr    vlArenaMemAppend(vl_arena* arena, vl_arena_ptr dst, const void* src, vl_memsize_t length);
 
vl_transient*       vlArenaMemSample(vl_arena* arena, vl_arena_ptr ptr);
 
vl_memsize_t      vlArenaMemSize(vl_arena* arena, vl_arena_ptr ptr);
 
vl_memsize_t      vlArenaTotalCapacity(vl_arena* arena);
 
vl_memsize_t      vlArenaTotalFree(vl_arena* arena);
 
#endif //VL_ARENA_H