putws.c revision 7257d1b4d25bfac0c802847390e98a464fd787ac
/*
* CDDL HEADER START
*
* 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]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1986 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Putws transforms process codes in wchar_t array pointed to by
* "ptr" into a byte string, and writes the string followed
* by a new-line character to stdout.
*/
#include "lint.h"
#include "file64.h"
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>
#include <limits.h>
#include "stdiom.h"
#include "libc.h"
int
putws(const wchar_t *ptr)
{
wchar_t *ptr0 = (wchar_t *)ptr;
ptrdiff_t diff;
rmutex_t *lk;
FLOCKFILE(lk, stdout);
for (; *ptr; ptr++) { /* putwc till NULL */
if (fputwc(*ptr, stdout) == EOF) {
FUNLOCKFILE(lk);
return (EOF);
}
}
(void) fputwc('\n', stdout); /* append a new line */
FUNLOCKFILE(lk);
if (fflush(stdout)) /* flush line */
return (EOF);
diff = ptr - ptr0;
if (diff <= INT_MAX)
return ((int)diff);
else
return (EOF);
}