kernel32: Correctly check for an empty short filename in GetShortPathNameW (Coverity).

803e9cfb · Michael Müller · Alexandre Julliard · d720c43c · 803e9cfb
Commit 803e9cfb authored May 30, 2015 by Michael Müller Committed by Alexandre Julliard Jun 01, 2015
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path.c dlls/kernel32/path.c +1 -1

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--- a/dlls/kernel32/path.c
+++ b/dlls/kernel32/path.c
@@ -528,7 +528,7 @@ DWORD WINAPI GetShortPathNameW( LPCWSTR longpath, LPWSTR shortpath, DWORD shortl

        /* In rare cases (like "a.abcd") short path may be longer than original path.
         * Make sure we have enough space in temp buffer. */
-        if (wfd.cAlternateFileName && tmplen < strlenW(wfd.cAlternateFileName))
+        if (wfd.cAlternateFileName[0] && tmplen < strlenW(wfd.cAlternateFileName))
        {
            WCHAR *new_buf;
            buf_len += strlenW(wfd.cAlternateFileName) - tmplen;