/* Determine the number of screen columns needed for a string.
- Copyright (C) 2000-2001 Free Software Foundation, Inc.
+ Copyright (C) 2000-2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#ifndef PARAMS
-# if defined PROTOTYPES || defined __STDC__
-# define PARAMS(Args) Args
-# else
-# define PARAMS(Args) ()
-# endif
-#endif
+#include <stddef.h>
/* Optional flags to influence mbswidth/mbsnwidth behavior. */
-/* If this bit is set, assume invalid characters have width 0.
- Otherwise, return -1 upon finding an invalid or incomplete character. */
-#define MBSW_ACCEPT_INVALID 1
+/* If this bit is set, return -1 upon finding an invalid or incomplete
+ character. Otherwise, assume invalid characters have width 1. */
+#define MBSW_REJECT_INVALID 1
-/* If this bit is set, assume unprintable characters have width 1.
- Otherwise, return -1 upon finding a non-printable character. */
-#define MBSW_ACCEPT_UNPRINTABLE 2
+/* If this bit is set, return -1 upon finding a non-printable character.
+ Otherwise, assume unprintable characters have width 0 if they are
+ control characters and 1 otherwise. */
+#define MBSW_REJECT_UNPRINTABLE 2
/* Returns the number of screen columns needed for STRING. */
#define mbswidth gnu_mbswidth /* avoid clash with UnixWare 7.1.1 function */
-extern int mbswidth PARAMS ((const char *string, int flags));
+extern int mbswidth (const char *string, int flags);
/* Returns the number of screen columns needed for the NBYTES bytes
starting at BUF. */
-extern int mbsnwidth PARAMS ((const char *buf, size_t nbytes, int flags));
+extern int mbsnwidth (const char *buf, size_t nbytes, int flags);