setupapi: Properly null-terminate the path in concat_W().

Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

setupapi: Properly null-terminate the path in concat_W().
db8e2388 · Zebediah Figura · Alexandre Julliard · e8c4dbce · db8e2388
Commit db8e2388 authored May 01, 2019 by Zebediah Figura Committed by Alexandre Julliard May 02, 2019
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queue.c dlls/setupapi/queue.c +2 -0

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--- a/dlls/setupapi/queue.c
+++ b/dlls/setupapi/queue.c
@@ -122,6 +122,7 @@ static void concat_W( WCHAR *buffer, const WCHAR *src1, const WCHAR *src2, const
        strcpyW( buffer, src1 );
        buffer += strlenW(buffer );
        if (buffer[-1] != '\\') *buffer++ = '\\';
+        *buffer = 0;
        if (src2) while (*src2 == '\\') src2++;
    }

@@ -130,6 +131,7 @@ static void concat_W( WCHAR *buffer, const WCHAR *src1, const WCHAR *src2, const
        strcpyW( buffer, src2 );
        buffer += strlenW(buffer );
        if (buffer[-1] != '\\') *buffer++ = '\\';
+        *buffer = 0;
        if (src3) while (*src3 == '\\') src3++;
    }