Readline 5.1 import for HEAD.

[deliverable/binutils-gdb.git] / readline / chardefs.h

diff --git a/readline/chardefs.h b/readline/chardefs.h
index a537be220b0bcb37ec05a46ebb1399adad23f31a..def3a111bd32d8f23ee615ed19f967fd98a37744 100644 (file)
--- a/readline/chardefs.h
+++ b/readline/chardefs.h
@@ -77,11 +77,17 @@
 #  define isxdigit(c)   (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
 #endif
 
-#define NON_NEGATIVE(c)        ((unsigned char)(c) == (c))
+#if defined (CTYPE_NON_ASCII)
+#  define NON_NEGATIVE(c) 1
+#else
+#  define NON_NEGATIVE(c) ((unsigned char)(c) == (c))
+#endif
 
 /* Some systems define these; we want our definitions. */
 #undef ISPRINT
 
+/* Beware:  these only work with single-byte ASCII characters. */
+
 #define ISALNUM(c)     (IN_CTYPE_DOMAIN (c) && isalnum (c))
 #define ISALPHA(c)     (IN_CTYPE_DOMAIN (c) && isalpha (c))
 #define ISDIGIT(c)     (IN_CTYPE_DOMAIN (c) && isdigit (c))