Print this page
2964 need POSIX 2008 locale object support
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Approved by: TBD
@@ -1,100 +1,95 @@
'\" te
+.\" Copyright 2014 Garrett D'Amore <garrett@damore.org>
.\" Copyright (c) 1992, X/Open Company Limited All Rights Reserved Portions Copyright (c) 2002, Sun Microsystems, Inc. All Rights Reserved
.\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at
.\" http://www.opengroup.org/bookstore/.
.\" The Institute of Electrical and Electronics Engineers and The Open Group, have given us permission to reprint portions of their documentation. In the following statement, the phrase "this text" refers to portions of the system documentation. Portions of this text are reprinted and reproduced in electronic form in the Sun OS Reference Manual, from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between these versions and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html.
.\" This notice shall appear on any product containing this material.
.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
.\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
-.TH WCSCOLL 3C "Aug 14, 2002"
+.TH WCSCOLL 3C "Jun 25, 2014"
.SH NAME
-wcscoll, wscoll \- wide character string comparison using collating information
+wcscoll, wcscoll_l wscoll \- wide character string comparison using collating information
.SH SYNOPSIS
.LP
.nf
#include <wchar.h>
\fBint\fR \fBwcscoll\fR(\fBconst wchar_t *\fR\fIws1\fR, \fBconst wchar_t *\fR\fIws2\fR);
.fi
-
.LP
.nf
+\fBint\fR \fBwcscoll_l\fR(\fBconst wchar_t *\fR\fIws1\fR, \fBconst wchar_t *\fR\fIws2\fR, \fBlocale_t\fR \fIloc\fR);
+.fi
+.LP
+.nf
\fBint\fR \fBwscoll\fR(\fBconst wchar_t *\fR\fIws1\fR, \fBconst wchar_t *\fR\fIws2\fR);
.fi
-
.SH DESCRIPTION
-.sp
.LP
-The \fBwcscoll()\fR and \fBwscoll()\fR functions compare the wide character
+The \fBwcscoll()\fR, \fBwcscoll_l()\fR, and \fBwscoll()\fR functions compare
+the wide character
string pointed to by \fIws1\fR to the wide character string pointed to by
-\fIws2\fR, both interpreted as appropriate to the \fBLC_COLLATE\fR category of
-the current locale.
-.sp
+\fIws2\fR, both interpreted as appropriate to the \fBLC_COLLATE\fR locale
+category.
.LP
-The \fBwcscoll()\fR and \fBwscoll()\fR functions do not change the setting of
-\fBerrno\fR if successful.
-.sp
+These functions do not change the setting of \fBerrno\fR if successful.
.LP
An application wanting to check for error situations should set \fBerrno\fR to
-0 before calling \fBwcscoll()\fR or \fBwscoll()\fR. If \fBerrno\fR is non-zero
+0 before calling these functions. If \fBerrno\fR is non-zero
on return, an error has occurred.
+.LP
+The function \fBwcsoll_l()\fR behaves identically to \fBwcsoll\fR(), except
+instead of operating in the current locale, it operates in the locale
+specified by \fIloc\fR.
.SH RETURN VALUES
-.sp
.LP
-Upon successful completion, \fBwcscoll()\fR and \fBwscoll()\fR return an
+Upon successful completion, these functions return an
integer greater than, equal to, or less than 0, depending upon whether the wide
character string pointed to by \fIws1\fR is greater than, equal to, or less
than the wide character string pointed to by \fIws2\fR, when both are
-interpreted as appropriate to the current locale. On error, \fBwcscoll()\fR and
-\fBwscoll()\fR may set \fBerrno\fR, but no return value is reserved to indicate
-an error.
+interpreted as appropriate to the the current locale, or the locale
+specified by \fIloc\fR. On error,
+they set \fBerrno\fR, but no return value is reserved to indicate an error.
.SH ERRORS
-.sp
.LP
-The \fBwcscoll()\fR and \fBwscoll()\fR functions may fail if:
+The \fBwcscoll()\fR, \fBwcscoll_l()\fR and \fBwscoll()\fR functions may fail if:
.sp
.ne 2
.na
\fB\fBEINVAL\fR\fR
.ad
.RS 10n
The \fIws1\fR or \fIws2\fR arguments contain wide character codes outside the
domain of the collating sequence.
.RE
-
.SH USAGE
.sp
.LP
The \fBwcsxfrm\fR(3C) and \fBwcscmp\fR(3C) functions should be used for sorting
-large lists.
+large lists, or when performing many comparisions on the same strings.
.SH ATTRIBUTES
-.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
-.sp
-
-.sp
.TS
box;
-l | l
+c | c
l | l .
ATTRIBUTE TYPE ATTRIBUTE VALUE
_
CSI Enabled
_
-Interface Stability \fBwcscoll()\fR is Standard
+Interface Stability See below.
_
-MT-Level MT-Safe with exceptions
+MT-Level MT-Safe
.TE
-.sp
.LP
-The \fBwcscoll()\fR and \fBwscoll()\fR functions can be used safely in
-multithreaded applications as long as \fBsetlocale\fR(3C) is not being called
-to change the locale.
+The \fBwcscoll()\fR and \fBwcscoll_l()\fR functions are Standard.
+The \fBwscoll()\fR function is Committed.
.SH SEE ALSO
-.sp
.LP
-\fBsetlocale\fR(3C), \fBwcscmp\fR(3C), \fBwcsxfrm\fR(3C), \fBattributes\fR(5),
+\fBnewlocale\fR(3C), \fBsetlocale\fR(3C), \fBuselocale\fR(3C),
+\fBwcscmp\fR(3C), \fBwcsxfrm\fR(3C), \fBattributes\fR(5),
\fBstandards\fR(5)