////////////////////////////////////////////////////////////
//~ @hookdecl Memory allocation

//- Reserve
void *ReserveMemory(u64 size);
void ReleaseMemory(void *address);

//- Commit
void *CommitMemory(void *address, u64 size);
void DecommitMemory(void *address, u64 size);

//- Protect
void SetMemoryReadonly(void *address, u64 size);
void SetMemoryReadWrite(void *address, u64 size);

////////////////////////////////////////////////////////////
//~ Memory ops

Inline b32 MatchBytesZero(u8 *v, u64 size)
{
  for (u64 idx = 0; idx < size; ++idx)
  {
    if (v[idx] != 0)
    {
      return 0;
    }
  }
  return 1;
}

//- Wrappers
#define MatchStructZero(ptr) MatchBytesZero((u8 *)(ptr), sizeof(*ptr))
#define MatchBytes(p1, p2, n) (CmpBytes((p1), (p2), (n)) == 0)
#define MatchStruct(p1, p2) MatchBytes((p1), (p2), sizeof(*p1))
#define ZeroBytes(ptr, count) SetBytes((ptr), 0, (count))
#define ZeroFixedArray(a) Assert(IsFixedArray(a)); ZeroBytes((a), sizeof((a)))
#define ZeroStructs(ptr, n) ZeroBytes((ptr), sizeof(*(ptr)) * (n))
#define ZeroStruct(ptr) ZeroStructs((ptr), 1)
#define CopyStructs(ptr_dst, ptr_src, n) CopyBytes((ptr_dst), (ptr_src), sizeof(*(ptr_dst)) * (n))
#define CopyStruct(ptr_dst, ptr_src) CopyStructs((ptr_dst), (ptr_src), 1)

//- Stubs
#define CopyBytes(dst, src, count) memcpy(dst, src, count)
#define SetBytes(dst, c, count) memset(dst, c, count)
#define CmpBytes(p1, p2, count) memcmp(p1, p2, count)