HeapReAlloc

Resizes a block allocated from a Win32 heap.

Module: Windows

Microsoft documentation: HeapReAlloc

Signature

func HeapReAlloc(heap: *opaque, flags: uint32, mem: *opaque,
    bytes: uint) -> *opaque;

Returns

*opaque — the resized block, or null on failure. On failure, mem remains valid and must still be freed. Use the same heap that allocated the block.

WARNING

Do not overwrite the only copy of mem before checking the returned pointer.

See also

• HeapAlloc — allocate a block
• HeapFree — release a block
• Heap — heap API overview