17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright (c) 1996, by Sun Microsystems, Inc.
247c478bd9Sstevel@tonic-gate * All rights reserved.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /*
287c478bd9Sstevel@tonic-gate * wio_put.c
29*1da57d55SToomas Soome *
307c478bd9Sstevel@tonic-gate * Wide I/O Library
317c478bd9Sstevel@tonic-gate *
327c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
337c478bd9Sstevel@tonic-gate *
347c478bd9Sstevel@tonic-gate */
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate #if M_RCSID
377c478bd9Sstevel@tonic-gate #ifndef lint
387c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/wide/rcs/wio_put.c 1.1 1995/07/26 17:51:21 ant Exp $";
397c478bd9Sstevel@tonic-gate #endif
407c478bd9Sstevel@tonic-gate #endif
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate #include <mks.h>
437c478bd9Sstevel@tonic-gate #include <errno.h>
447c478bd9Sstevel@tonic-gate #include <m_wio.h>
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate /*
477c478bd9Sstevel@tonic-gate * Return the number of bytes written. Errno will be set for errors.
487c478bd9Sstevel@tonic-gate *
49*1da57d55SToomas Soome * The function referenced by "put" is passed a byte value and the
50*1da57d55SToomas Soome * pointer "object", and returns the byte value or EOF if no further
517c478bd9Sstevel@tonic-gate * data can be written.
527c478bd9Sstevel@tonic-gate */
537c478bd9Sstevel@tonic-gate int
m_wio_put(wc,wio)547c478bd9Sstevel@tonic-gate m_wio_put(wc, wio)
557c478bd9Sstevel@tonic-gate wint_t wc;
567c478bd9Sstevel@tonic-gate t_wide_io *wio;
577c478bd9Sstevel@tonic-gate {
587c478bd9Sstevel@tonic-gate int count, mb_len;
597c478bd9Sstevel@tonic-gate unsigned char *ptr;
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate if (wio == (t_wide_io *) 0 || wio->put == (int (*)(int, void *)) 0) {
627c478bd9Sstevel@tonic-gate errno = EINVAL;
637c478bd9Sstevel@tonic-gate return -1;
647c478bd9Sstevel@tonic-gate }
657c478bd9Sstevel@tonic-gate
667c478bd9Sstevel@tonic-gate /* Force shift-in state at end-of-file. */
677c478bd9Sstevel@tonic-gate if (wc == WEOF)
687c478bd9Sstevel@tonic-gate wc = '\0';
697c478bd9Sstevel@tonic-gate
707c478bd9Sstevel@tonic-gate if ((mb_len = wcrtomb((char *) wio->_mb, wc, &wio->_state)) < 0)
717c478bd9Sstevel@tonic-gate /* Note errno will have been set by wcrtomb(). */
727c478bd9Sstevel@tonic-gate return -1;
737c478bd9Sstevel@tonic-gate
74*1da57d55SToomas Soome /* When shift-in state has been forced don't write '\0' byte.
757c478bd9Sstevel@tonic-gate * The "stream" object is considered to be in "text" mode, in
767c478bd9Sstevel@tonic-gate * which case file I/O produces undefined results for systems
777c478bd9Sstevel@tonic-gate * using locking-shift character sets.
787c478bd9Sstevel@tonic-gate */
797c478bd9Sstevel@tonic-gate if (wc == '\0')
807c478bd9Sstevel@tonic-gate --mb_len;
817c478bd9Sstevel@tonic-gate
827c478bd9Sstevel@tonic-gate /* Write multibyte character sequence. */
837c478bd9Sstevel@tonic-gate for (ptr = wio->_mb, count = 0; count < mb_len; ++ptr, ++count)
847c478bd9Sstevel@tonic-gate if ((*wio->put)(*ptr, wio->object) == EOF)
857c478bd9Sstevel@tonic-gate break;
867c478bd9Sstevel@tonic-gate
877c478bd9Sstevel@tonic-gate /* Remember just in case some one needs it. */
887c478bd9Sstevel@tonic-gate wio->_size = mb_len;
897c478bd9Sstevel@tonic-gate wio->_next = count;
907c478bd9Sstevel@tonic-gate
917c478bd9Sstevel@tonic-gate return count;
927c478bd9Sstevel@tonic-gate }
937c478bd9Sstevel@tonic-gate
94