From 986799745070856b672ba7aac6f5fceebb474e1a Mon Sep 17 00:00:00 2001 From: Guy Albertelli Date: Sat, 15 Jan 2000 21:59:12 +0000 Subject: [PATCH] Added null check in GlobalHandle. --- memory/global.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/memory/global.c b/memory/global.c index 6645f83afe7..aac4e4d6dd8 100644 --- a/memory/global.c +++ b/memory/global.c @@ -1141,7 +1141,14 @@ HGLOBAL WINAPI GlobalHandle( LPCVOID pmem /* [in] Pointer to global memory block */ ) { HGLOBAL handle; - HANDLE heap = GLOBAL_GetHeap( POINTER_TO_HANDLE(pmem) ); + HANDLE heap; + + if (!pmem) + { + SetLastError( ERROR_INVALID_PARAMETER ); + return 0; + } + heap = GLOBAL_GetHeap( POINTER_TO_HANDLE(pmem) ); if (!HEAP_IsInsideHeap( heap, 0, pmem )) goto error; handle = POINTER_TO_HANDLE(pmem); -- 2.11.4.GIT