b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
112 lines
3.5 KiB
Groff
112 lines
3.5 KiB
Groff
.\" $NetBSD: wcscoll.3,v 1.3 2010/12/16 17:42:27 wiz Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)strcoll.3 8.1 (Berkeley) 6/4/93
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.\" FreeBSD: src/lib/libc/string/strcoll.3,v 1.11 2001/10/01 16:09:00 ru Exp
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.\" FreeBSD: /repoman/r/ncvs/src/lib/libc/string/wcscoll.3,v 1.2 2002/12/09 14:04:05 ru Exp
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.\"
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.Dd October 13, 2006
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.Dt WCSCOLL 3
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.Os
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.Sh NAME
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.Nm wcscoll
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.Nd compare wide strings according to current collation
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In wchar.h
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.Ft int
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.Fn wcscoll "const wchar_t *s1" "const wchar_t *s2"
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.Sh DESCRIPTION
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The
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.Fn wcscoll
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function compares the nul-terminated strings
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.Fa s1
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and
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.Fa s2
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according to the current locale collation order.
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In the
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.Dq Li C
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locale,
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.Fn wcscoll
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is equivalent to
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.Fn wcscmp .
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.Sh RETURN VALUES
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The
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.Fn wcscoll
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function returns an integer greater than, equal to, or less than
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0, if
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.Fa s1
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is greater than, equal to, or less than
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.Fa s2 .
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.Pp
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No return value is reserved to indicate errors;
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callers should set
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.Va errno
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to 0 before calling
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.Fn wcscoll .
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If it is non-zero upon return from
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.Fn wcscoll ,
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an error has occurred.
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.Sh ERRORS
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The
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.Fn wcscoll
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function will fail if:
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.Bl -tag -width Er
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.It Bq Er EILSEQ
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An invalid wide-character code was specified.
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.It Bq Er ENOMEM
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Cannot allocate enough memory for temporary buffers.
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.El
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.Sh SEE ALSO
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.Xr setlocale 3 ,
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.Xr strcoll 3 ,
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.Xr wcscmp 3 ,
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.Xr wcsxfrm 3
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.Sh STANDARDS
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The
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.Fn wcscoll
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function conforms to
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.St -isoC-99 .
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.Sh BUGS
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The current implementation of
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.Fn wcscoll
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function disregards
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.Dv LC_COLLATE
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locales, and falls back to using the
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.Fn wcscmp
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function.
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