43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
////////////////////////////////////////////////////////////
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//~ @hookdecl Memory allocation
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//- Reserve
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void *ReserveMemory(u64 size);
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void ReleaseMemory(void *address);
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//- Commit
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void *CommitMemory(void *address, u64 size);
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void DecommitMemory(void *address, u64 size);
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//- Protect
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void SetMemoryReadonly(void *address, u64 size);
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void SetMemoryReadWrite(void *address, u64 size);
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////////////////////////////////////////////////////////////
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//~ Memory ops
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//- Wrappers
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#define MatchBytes(p1, p2, n) (CmpBytes((p1), (p2), (n)) == 0)
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#define MatchStruct(p1, p2) MatchBytes((p1), (p2), sizeof(*p1))
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#define ZeroBytes(ptr, count) SetBytes((ptr), 0, (count))
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#define ZeroFixedArray(a) Assert(IsFixedArray(a)); ZeroBytes((a), sizeof((a)))
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#define ZeroStructs(ptr, n) ZeroBytes((ptr), sizeof(*(ptr)) * (n))
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#define ZeroStruct(ptr) ZeroStructs((ptr), 1)
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#define CopyStructs(ptr_dst, ptr_src, n) CopyBytes((ptr_dst), (ptr_src), sizeof(*(ptr_dst)) * (n))
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#define CopyStruct(ptr_dst, ptr_src) CopyStructs((ptr_dst), (ptr_src), 1)
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#define CopyBytes(dst, src, count) memcpy(dst, src, count)
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#define SetBytes(dst, c, count) memset(dst, c, count)
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#define CmpBytes(p1, p2, count) memcmp(p1, p2, count)
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////////////////////////////////////////////////////////////
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//~ Crtlib stubs
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#if IsCrtlibEnabled
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# include <memory.h>
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#else
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void *memcpy(void *__restrict dst, const void *__restrict src, u64 n);
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void *memset(void *dst, i32 c, u64 n);
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i32 memcmp(const void *p1, const void *p2, u64 n);
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#endif
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