HeapSize returns the size, in bytes, of a memory block allocated from a heap by HeapAlloc or HeapReAlloc.
Syntax
Copy
DWORD HeapSize(
HANDLE hHeap,
DWORD dwFlags,
LPCVOID lpMem
);Parameters
hHeap
The heap in which the memory block resides. This handle is returned by GetProcessHeap.
Flags
Ignored.
lpMem
A pointer to the memory block whose size the function will obtain. This pointer is returned by HeapAlloc or HeapReAlloc.
Return Value
If the function succeeds, it returns the size, in bytes, of the allocated memory block. If the function fails, it returns 0XFFFFFFFF.
The function does not call SetLastError. An application cannot call GetLastError for extended error information.
Requirements
| Minimum supported version | Header | Library |
|---|---|---|
|
eRTOS 1.0 SDK |
windows.h | rtkrnl.lib |
See Also:
