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4964 nl_langinfo(CRNCYSTR) returns wrong alignment character
4999 libc test suite enhancements
4939 desire wcsnrtombs() function
Reviewed by: Jason King <jason.brian.king@gmail.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: TBD
@@ -6,32 +6,39 @@
.\" 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 WCSRTOMBS 3C "Jun 25, 2014"
+.TH WCSRTOMBS 3C "Jul 13, 2014"
.SH NAME
-wcsrtombs, wcsrtombs_l \- convert a wide-character string to a character string
+wcsnrtombs, wcsnrtombs_l, wcsrtombs, wcsrtombs_l \- convert a wide-character string to a character string
(restartable)
.SH SYNOPSIS
.LP
.nf
#include <wchar.h>
-\fBsize_t\fR \fBwcsrtombs\fR(\fBchar *restrict\fR \fIdst\fR,
- \fBconst wchar_t **restrict\fR \fIsrc\fR, \fBsize_t\fR \fIlen\fR,
- \fBmbstate_t *restrict\fR \fIps\fR);
+\fBsize_t\fR \fBwcsrtombs\fR(\fBchar *restrict\fR \fIdst\fR, \fBconst wchar_t **restrict\fR \fIsrc\fR,
+ \fBsize_t\fR \fIlen\fR, \fBmbstate_t *restrict\fR \fIps\fR);
.fi
.LP
.nf
+\fBsize_t\fR \fBwcsnrtombs\fR(\fBchar *restrict\fR \fIdst\fR, \fBconst wchar_t **restrict\fR \fIsrc\fR,
+ \fBsize_t\fR \fInwc\fR, \fBsize_t\fR \fIlen\fR, \fBmbstate_t *restrict\fR \fIps\fR);
+.LP
+.nf
#include <wchar.h>
#include <xlocale.h>
-\fBsize_t\fR \fBwcsrtombs_l\fR(\fBchar *restrict\fR \fIdst\fR,
- \fBconst wchar_t **restrict\fR \fIsrc\fR, \fBsize_t\fR \fIlen\fR,
- \fBmbstate_t *restrict\fR \fIps\fR, \fBlocale_t\fR \fIloc\fR);
+\fBsize_t\fR \fBwcsrtombs_l\fR(\fBchar *restrict\fR \fIdst\fR, \fBconst wchar_t **restrict\fR \fIsrc\fR,
+ \fBsize_t\fR \fIlen\fR, \fBmbstate_t *restrict\fR \fIps\fR, \fBlocale_t\fR \fIloc\fR);
.fi
+.LP
+.nf
+\fBsize_t\fR \fBwcsnrtombs_l\fR(\fBchar *restrict\fR \fIdst\fR, \fBconst wchar_t **restrict\fR \fIsrc\fR,
+ \fBsize_t\fR \fInwc\fR, \fBsize_t\fR \fIlen\fR, \fBmbstate_t *restrict\fR \fIps\fR, \fBlocale_t\fR \fIloc\fR);
+.fi
.SH DESCRIPTION
.LP
The \fBwcsrtombs()\fR function converts a sequence of wide-characters from the
array indirectly pointed to by \fIsrc\fR into a sequence of corresponding
characters, beginning in the conversion state described by the object pointed
@@ -51,10 +58,17 @@
.el o
When the next character would exceed the limit of \fIlen\fR total bytes to be
stored in the array pointed to by \fIdst\fR (and \fIdst\fR is not a null
pointer).
.RE
+.RS +4
+.TP
+.ie t \(bu
+.el o
+In the case of \fBwcsnrtombs()\fR and \fBwcsnrtombs_l()\fR, when \fInwc\fR
+wide characters have been completely converted.
+.RE
.LP
Each conversion takes place as if by a call to the \fBwcrtomb()\fR function.
.LP
If \fIdst\fR is not a null pointer, the pointer object pointed to by \fIsrc\fR
is assigned either a null pointer (if conversion stopped due to reaching a
@@ -61,22 +75,23 @@
terminating null wide-character) or the address just past the last
wide-character converted (if any). If conversion stopped due to reaching a
terminating null wide-character, the resulting state described is the initial
conversion state.
.LP
-If \fIps\fR is a null pointer, the \fBwcsrtombs()\fR function uses its own
+If \fIps\fR is a null pointer, these functions uses their own
internal \fBmbstate_t\fR object, which is initialized at program startup to the
initial conversion state. Otherwise, the \fBmbstate_t\fR object pointed to by
\fIps\fR is used to completely describe the current conversion state of the
associated character sequence. The system will behave as if no function defined
in the Reference Manual calls any of these functions.
.LP
-The behavior of \fBwcsrtombs()\fR is affected by the \fBLC_CTYPE\fR category of
-the current locale. See \fBenviron\fR(5).
+The behavior of \fBwcsrtombs()\fR and \fBwcsnrtombs()\fR are affected by the
+\fBLC_CTYPE\fR category of the current locale. See \fBenviron\fR(5).
.LP
-The function \fBwcsrtombs_l()\fR behaves identically to \fBwcsrtombs\fR, except
-instead of operating in the current locale, it operates in the locale
+The \fBwcsrtombs_l()\fR and \fBwcsnrtombs_l()\fR functions behave identically
+to \fBwcsrtombs()\fR and \fBwcsnrtombs()\fR respectively, except
+that instead of operating in the current locale, they operate in the locale
specified by \fIloc\fR.
.SH RETURN VALUES
.LP
If conversion stops because a code is reached that does not correspond to a
valid character, an encoding error occurs. In this case, these
@@ -84,11 +99,11 @@
\fB(size_t)\(mi1\fR; the conversion state is undefined. Otherwise, they return
the number of bytes in the resulting character sequence, not including the
terminating null (if any).
.SH ERRORS
.LP
-The \fBwcsrtombs()\fR and \fBwcsrtombs_l()\fR functions may fail if:
+These functions may fail if:
.sp
.ne 2
.na
\fB\fBEINVAL\fR\fR
.ad
@@ -118,12 +133,12 @@
_
MT-Level See below.
.TE
.LP
-The \fBwcsrtombs()\fR function is Standard. The \fBwcsrtombs_l()\fR
-function is Uncommitted.
+The \fBwcsrtombs()\fR and \fBwcsnrtombs()\fR functions are Standard. The
+\fBwcsrtombs_l()\fR and \fBwcsnrtombs_l()\fR functions are Uncommitted.
.LP
If \fIps\fR is a null pointer, these functions should be considered Unsafe
for use in multithreaded applications. Otherwise, they are MT-Safe.
.SH SEE ALSO
.LP