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

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

winex11.drv: Avoid passing NULL to memcpy (clang).
1b4e1934 · Kirill Smirnov · Alexandre Julliard · 622c01c5 · 1b4e1934
Commit 1b4e1934 authored Jul 08, 2016 by Kirill Smirnov Committed by Alexandre Julliard Jul 09, 2016
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xim.c dlls/winex11.drv/xim.c +1 -1

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--- 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,