Piotr Caban : msvcrt: Don' t fail when _aligned_offset_malloc is used with size=0.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7771552f247660acc472b4862f32c4f8426be180
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7771552f247660acc472b4862f32c4f8426be180

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Wed Dec 19 10:16:45 2012 +0100

msvcrt: Don't fail when _aligned_offset_malloc is used with size=0.

---

 dlls/msvcrt/heap.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/msvcrt/heap.c b/dlls/msvcrt/heap.c
index 0a0d819..e8c3765 100644
--- a/dlls/msvcrt/heap.c
+++ b/dlls/msvcrt/heap.c
@@ -384,7 +384,7 @@ void * CDECL _aligned_offset_malloc(MSVCRT_size_t size, MSVCRT_size_t alignment,
     }
 
     /* offset must be less than size */
-    if (offset >= size)
+    if (offset && offset >= size)
     {
         *MSVCRT__errno() = MSVCRT_EINVAL;
         return NULL;