/*
 * Copyright (C) 1994-2021 Altair Engineering, Inc.
 * For more information, contact Altair at www.altair.com.
 *
 * This file is part of both the OpenPBS software ("OpenPBS")
 * and the PBS Professional ("PBS Pro") software.
 *
 * Open Source License Information:
 *
 * OpenPBS is free software. You can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * OpenPBS is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Commercial License Information:
 *
 * PBS Pro is commercially licensed software that shares a common core with
 * the OpenPBS software.  For a copy of the commercial license terms and
 * conditions, go to: (http://www.pbspro.com/agreement.html) or contact the
 * Altair Legal Department.
 *
 * Altair's dual-license business model allows companies, individuals, and
 * organizations to create proprietary derivative works of OpenPBS and
 * distribute them - whether embedded or bundled with other software -
 * under a commercial license agreement.
 *
 * Use of Altair's trademarks, including but not limited to "PBS™",
 * "OpenPBS®", "PBS Professional®", and "PBS Pro™" and Altair's logos is
 * subject to Altair's trademark licensing policies.
 */

/**
 * @file	diswcs.c
 *
 * @par Synopsis:
 *	int diswcs(int stream, char *value, size_t nchars)
 *
 *	Converts a counted string in *<value> into a Data-is-Strings character
 *	string and sends it to <stream>.  The character string in <stream>
 *	consists of the unsigned integer representation of <nchars>, followed by
 *	<nchars> characters from *<value>.
 *
 *	Returns DIS_SUCCESS if everything works well.  Returns an error code
 *	otherwise.  In case of an error, no characters are sent to <stream>.
 */

#include <pbs_config.h> /* the master config generated by configure */

#include <assert.h>
#include <stddef.h>
#include <stdio.h>

#include "dis.h"
#include "dis_.h"

/**
 * @brief
 *	Converts a counted string in *<value> into a Data-is-Strings character
 *      string and sends it to <stream>.
 *
 * @param[in] stream - pointer to data stream
 * @param[in] value - value to be converted
 * @param[in] nchars - size of chars
 *
 * @return	int
 * @return	DIS_SUCCESS	success
 * @retval	error code	error
 *
 */
int
diswcs(int stream, const char *value, size_t nchars)
{
	int retval;

	assert(nchars <= UINT_MAX);

	retval = diswui_(stream, (unsigned) nchars);
	if (retval == DIS_SUCCESS && nchars > 0 &&
	    dis_puts(stream, value, nchars) != nchars)
		retval = DIS_PROTO;
	return retval;
}