/* Keeping a unique copy of strings.
- Copyright (C) 2002-2003, 2008-2010 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 2008-2012 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
__attribute__ ((__format__ (__printf__, 1, 2)));
/* Two uniqstr values have the same value iff they are the same. */
-#define UNIQSTR_EQ(USTR1, USTR2) ((USTR1) == (USTR2))
+#define UNIQSTR_EQ(USTR1, USTR2) (!!((USTR1) == (USTR2)))
/* Compare two uniqstr a la strcmp: negative for <, nul for =, and
positive for >. Undefined order, relies on addresses. */