NAME

RtlSizeHeap  (NTDLL.@)

SYNOPSIS

 SIZE_T RtlSizeHeap
 (
  HANDLE      heap,
  ULONG       flags,
  const void* ptr
 )

DESCRIPTION

Get the actual size of a memory block allocated from a Heap.

PARAMS

heap [In] Heap that block was allocated from.
flags [In] HEAP_ flags from "winnt.h".
ptr [In] Block to get the size of.

RETURNS

Success: The size of the block.

Failure: -1, heap or pointer are invalid.

NOTES

The size may be bigger than what was passed to RtlAllocateHeap.

IMPLEMENTATION

Declared in "winternl.h". https://source.winehq.org/source/include/winternl.h

Implemented in "dlls/ntdll/heap.c". https://source.winehq.org/source/dlls/ntdll/heap.c

Debug channel "heap".


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