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--- src/extra/tre/tre-internal.h.orig 2015-01-20 15:25:01 UTC
+++ src/extra/tre/tre-internal.h
@@ -17,6 +17,7 @@
#include <wctype.h>
#endif /* !HAVE_WCTYPE_H */
+#include <limits.h>
#include <ctype.h>
#include "tre.h"
@@ -48,7 +49,11 @@
/* Wide characters. */
typedef wint_t tre_cint_t;
+#if WCHAR_MAX <= INT_MAX
#define TRE_CHAR_MAX WCHAR_MAX
+#else /* WCHAR_MAX > INT_MAX */
+#define TRE_CHAR_MAX INT_MAX
+#endif
#ifdef TRE_MULTIBYTE
#define TRE_MB_CUR_MAX MB_CUR_MAX
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