X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmbswidth.h;h=38911da00259d5ee8ed1859100fa3c76cc6623fd;hb=fe13248ec3e6de9b670cc1d5786b58f514ef0abd;hp=00666a767d543e6c1fa496abf33627e3ae0f1031;hpb=38de095e04375966f7062ea9d7ca02957130ce20;p=gnulib.git diff --git a/lib/mbswidth.h b/lib/mbswidth.h index 00666a767..38911da00 100644 --- a/lib/mbswidth.h +++ b/lib/mbswidth.h @@ -1,5 +1,5 @@ /* Determine the number of screen columns needed for a string. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000-2001 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 @@ -16,7 +16,7 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef PARAMS -# if defined PROTOTYPES || defined __STDC__ +# if defined (__GNUC__) || __STDC__ # define PARAMS(Args) Args # else # define PARAMS(Args) () @@ -25,15 +25,17 @@ /* Optional flags to influence mbswidth/mbsnwidth behavior. */ -/* Assume invalid characters have width 0. If this bit is not set, - 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 -/* Assume unprintable characters have width 1. If this bit is not set, - 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)); /* Returns the number of screen columns needed for the NBYTES bytes