Fix sign extension problem in map_wparam_WtoA.

6559d104 · Gerard Patel · Alexandre Julliard · 7f9b0906 · 6559d104
Commit 6559d104 authored Oct 05, 2001 by Gerard Patel Committed by Alexandre Julliard Oct 05, 2001
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message.c dlls/user/message.c +1 -1

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--- a/dlls/user/message.c
+++ b/dlls/user/message.c
@@ -366,7 +366,7 @@ static WPARAM map_wparam_WtoA( UINT message, WPARAM wparam )
        WCHAR wch = LOWORD(wparam);
        char ch;
        WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
-        wparam = MAKEWPARAM( ch, HIWORD(wparam) );
+        wparam = MAKEWPARAM( (unsigned char)ch, HIWORD(wparam) );
    }
    return wparam;
 }