shell32: Avoid potential 1 byte overflow.

29700766 · Marcus Meissner · Alexandre Julliard · af62bcbd · 29700766
Commit 29700766 authored May 11, 2007 by Marcus Meissner Committed by Alexandre Julliard May 17, 2007
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shlexec.c dlls/shell32/shlexec.c +2 -0

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--- a/dlls/shell32/shlexec.c
+++ b/dlls/shell32/shlexec.c
@@ -654,6 +654,8 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
                           &filetypelen) == ERROR_SUCCESS)
        {
            filetypelen /= sizeof(WCHAR);
+	    if (filetypelen == sizeof(filetype)/sizeof(WCHAR))
+		filetypelen--;
            filetype[filetypelen] = '\0';
            TRACE("File type: %s\n", debugstr_w(filetype));
        }