Move wcwidth() to separate file, it doesn't belong to iswctype.c at all

This commit is contained in:
ache 2002-08-17 20:30:34 +00:00
parent 75de318dfb
commit 31acbd553d
3 changed files with 58 additions and 11 deletions

View File

@ -9,7 +9,7 @@ SRCS+= ansi.c big5.c btowc.c collate.c collcmp.c euc.c fix_grouping.c frune.c \
ldpart.c lmessages.c lmonetary.c lnumeric.c localeconv.c mbrune.c \ ldpart.c lmessages.c lmonetary.c lnumeric.c localeconv.c mbrune.c \
mskanji.c nl_langinfo.c nomacros.c none.c rune.c \ mskanji.c nl_langinfo.c nomacros.c none.c rune.c \
runetype.c setinvalidrune.c setlocale.c setrunelocale.c table.c \ runetype.c setinvalidrune.c setlocale.c setrunelocale.c table.c \
tolower.c toupper.c utf2.c wctob.c wctrans.c wctype.c tolower.c toupper.c utf2.c wctob.c wctrans.c wctype.c wcwidth.c
.if ${LIB} == "c" .if ${LIB} == "c"
MAN+= btowc.3 \ MAN+= btowc.3 \

View File

@ -212,13 +212,3 @@ towupper(wc)
return (__toupper(wc)); return (__toupper(wc));
} }
int
wcwidth(wc)
wchar_t wc;
{
int width = __maskrune(wc, _CTYPE_SWM);
return (width ? (unsigned)width >> _CTYPE_SWS
: (iswprint(wc) ? 1 : -1));
}

57
lib/libc/locale/wcwidth.c Normal file
View File

@ -0,0 +1,57 @@
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* This code is derived from software contributed to Berkeley by
* Paul Borman at Krystal Technologies.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <wchar.h>
#include <wctype.h>
int
wcwidth(wc)
wchar_t wc;
{
int width = __maskrune(wc, _CTYPE_SWM);
return (width ? (int)((unsigned)width >> _CTYPE_SWS)
: (iswprint(wc) ? 1 : -1));
}