Kirill Smirnov : winex11.drv: Avoid passing NULL to memcpy (clang).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1b4e193473153dc9f4d4f4237b9a67564ada95d1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1b4e193473153dc9f4d4f4237b9a67564ada95d1

Author: Kirill Smirnov <kirill.k.smirnov at gmail.com>
Date:   Fri Jul  8 01:50:27 2016 +0300

winex11.drv: Avoid passing NULL to memcpy (clang).

Signed-off-by: Kirill K. Smirnov <kirill.k.smirnov at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winex11.drv/xim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/winex11.drv/xim.c b/dlls/winex11.drv/xim.c
index e0548b8..e51169d 100644
--- a/dlls/winex11.drv/xim.c
+++ b/dlls/winex11.drv/xim.c
@@ -92,7 +92,7 @@ static void X11DRV_ImmSetInternalString(DWORD dwOffset,
     ptr_new = CompositionString + byte_offset;
     memmove(ptr_new + byte_length, ptr_new + byte_selection,
             dwCompStringLength - byte_offset - byte_selection);
-    memcpy(ptr_new, lpComp, byte_length);
+    if (lpComp) memcpy(ptr_new, lpComp, byte_length);
     dwCompStringLength += byte_expansion;
 
     IME_SetCompositionString(SCS_SETSTR, CompositionString,