The HeapSize function returns the size, in bytes, of a memory block allocated from a heap by the HeapAlloc or HeapReAlloc function.
DWORD HeapSize(
HANDLE hHeap, |
// handle to the heap |
DWORD dwFlags, |
// heap size control flags |
LPCVOID lpMem |
// pointer to memory to return size for |
); |
Value |
Meaning |
HEAP_NO_SERIALIZE |
Specifies that mutual exclusion will not be used while the function is accessing the heap. For more information about HEAP_NO_SERIALIZE, see the Remarks for HeapCreate. |
If the function succeeds, the return value is the size, in bytes, of the allocated memory block.
If the function fails, the return value is 0xFFFFFFFF. The function does not call SetLastError. An application cannot call GetLastError for extended error information.
GetProcessHeap, HeapAlloc, HeapCreate, HeapDestroy, HeapFree, HeapReAlloc, SetLastError
file: /Techref/os/win/api/win32/func/src/f45.htm, 3KB, , updated: 2000/4/7 12:19, local time: 2024/9/1 15:15,
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