diff options
Diffstat (limited to 'lib/libc/string/wcscoll.3')
-rw-r--r-- | lib/libc/string/wcscoll.3 | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/lib/libc/string/wcscoll.3 b/lib/libc/string/wcscoll.3 new file mode 100644 index 0000000..6a3eedb --- /dev/null +++ b/lib/libc/string/wcscoll.3 @@ -0,0 +1,108 @@ +.\" Copyright (c) 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" Chris Torek and the American National Standards Committee X3, +.\" on Information Processing Systems. +.\" +.\" 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. +.\" 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. +.\" +.\" @(#)strcoll.3 8.1 (Berkeley) 6/4/93 +.\" FreeBSD: src/lib/libc/string/strcoll.3,v 1.11 2001/10/01 16:09:00 ru Exp +.\" $FreeBSD$ +.\" +.Dd October 4, 2002 +.Dt WCSCOLL 3 +.Os +.Sh NAME +.Nm wcscoll +.Nd compare wide strings according to current collation +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In wchar.h +.Ft int +.Fn wcscoll "const wchar_t *s1" "const wchar_t *s2" +.Sh DESCRIPTION +The +.Fn wcscoll +function compares the null-terminated strings +.Fa s1 +and +.Fa s2 +according to the current locale collation order. +In the +.Dq Li C +locale, +.Fn wcscoll +is equivalent to +.Fn wcscmp . +.Sh RETURN VALUES +The +.Fn wcscoll +function +returns an integer greater than, equal to, or less than 0, +if +.Fa s1 +is greater than, equal to, or less than +.Fa s2 . +.Pp +No return value is reserved to indicate errors; +callers should set +.Va errno +to 0 before calling +.Fn wcscoll . +If it is non-zero upon return from +.Fn wcscoll , +an error has occurred. +.Sh ERRORS +The +.Fn wcscoll +function will fail if: +.Bl -tag -width Er +.It Bq Er EILSEQ +An invalid wide character code was specified. +.It Bq Er ENOMEM +Cannot allocate enough memory for temporary buffers. +.El +.Sh SEE ALSO +.Xr setlocale 3 , +.Xr strcoll 3 , +.Xr wcscmp 3 , +.Xr wcsxfrm 3 +.Sh STANDARDS +The +.Fn wcscoll +function +conforms to +.St -isoC-99 . +.Sh BUGS +The current implementation of +.Fn wcscoll +only works in single-byte +.Dv LC_CTYPE +locales, and falls back to using +.Fn wcscmp +in locales with extended character sets. |