[Bug 29635] Starcraft 2: Read Access Violation

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=29635

--- Comment #8 from cobaltjacket at gmail.com 2012-01-19 10:26:56 CST ---
git diff
diff --git a/dlls/winhttp/session.c b/dlls/winhttp/session.c
index b4ed568..30844af 100644
--- a/dlls/winhttp/session.c
+++ b/dlls/winhttp/session.c
@@ -1949,7 +1949,7 @@ static BSTR download_script( HINTERNET ses, const WCHAR
*url )
     }
     len = MultiByteToWideChar( CP_ACP, 0, buffer, offset, NULL, 0 );
     if (!(script = SysAllocStringLen( NULL, len ))) goto done;
-    MultiByteToWideChar( CP_ACP, 0, buffer, offset, script, len );
+    MultiByteToWideChar( CP_ACP, 0, buffer, offset, script, 0 );
     script[len] = 0;

 done:

This change causes the crash to go away. It is obviously NOT a resolution to
the problem (I think setting dstlen=0 in wine_cp_mbstowcs might causes the call
to just return the length of the string (mbtowc.c:277) and not copy it to *dst,
which seems to be the purpose of this line). Hopefully this helps someone who
knows more about the mbs/wcs implementation get a start.

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