1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1996-1998 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* LINTLIBRARY */
28*7c478bd9Sstevel@tonic-gate
29*7c478bd9Sstevel@tonic-gate /*
30*7c478bd9Sstevel@tonic-gate * wio_put.c
31*7c478bd9Sstevel@tonic-gate *
32*7c478bd9Sstevel@tonic-gate * Wide I/O Library
33*7c478bd9Sstevel@tonic-gate *
34*7c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
35*7c478bd9Sstevel@tonic-gate *
36*7c478bd9Sstevel@tonic-gate */
37*7c478bd9Sstevel@tonic-gate
38*7c478bd9Sstevel@tonic-gate #if M_RCSID
39*7c478bd9Sstevel@tonic-gate #ifndef lint
40*7c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/wide/rcs/wio_put.c 1.1 "
41*7c478bd9Sstevel@tonic-gate "1995/07/26 17:51:21 ant Exp $";
42*7c478bd9Sstevel@tonic-gate #endif
43*7c478bd9Sstevel@tonic-gate #endif
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate #include <mks.h>
46*7c478bd9Sstevel@tonic-gate #include <errno.h>
47*7c478bd9Sstevel@tonic-gate #include <m_wio.h>
48*7c478bd9Sstevel@tonic-gate
49*7c478bd9Sstevel@tonic-gate /*
50*7c478bd9Sstevel@tonic-gate * Return the number of bytes written. Errno will be set for errors.
51*7c478bd9Sstevel@tonic-gate *
52*7c478bd9Sstevel@tonic-gate * The function referenced by "put" is passed a byte value and the
53*7c478bd9Sstevel@tonic-gate * pointer "object", and returns the byte value or EOF if no further
54*7c478bd9Sstevel@tonic-gate * data can be written.
55*7c478bd9Sstevel@tonic-gate */
56*7c478bd9Sstevel@tonic-gate int
m_wio_put(wint_t wc,t_wide_io * wio)57*7c478bd9Sstevel@tonic-gate m_wio_put(wint_t wc, t_wide_io *wio)
58*7c478bd9Sstevel@tonic-gate {
59*7c478bd9Sstevel@tonic-gate int count, mb_len;
60*7c478bd9Sstevel@tonic-gate unsigned char *ptr;
61*7c478bd9Sstevel@tonic-gate
62*7c478bd9Sstevel@tonic-gate if (wio == NULL || wio->put == (int (*)(int, void *)) NULL) {
63*7c478bd9Sstevel@tonic-gate errno = EINVAL;
64*7c478bd9Sstevel@tonic-gate return (-1);
65*7c478bd9Sstevel@tonic-gate }
66*7c478bd9Sstevel@tonic-gate
67*7c478bd9Sstevel@tonic-gate /* Force shift-in state at end-of-file. */
68*7c478bd9Sstevel@tonic-gate if (wc == WEOF)
69*7c478bd9Sstevel@tonic-gate wc = L'\0';
70*7c478bd9Sstevel@tonic-gate
71*7c478bd9Sstevel@tonic-gate if ((mb_len = wctomb((char *) wio->_mb, wc)) < 0)
72*7c478bd9Sstevel@tonic-gate /* Note errno will have been set by wcrtomb(). */
73*7c478bd9Sstevel@tonic-gate return (-1);
74*7c478bd9Sstevel@tonic-gate
75*7c478bd9Sstevel@tonic-gate /*
76*7c478bd9Sstevel@tonic-gate * When shift-in state has been forced don't write '\0' byte.
77*7c478bd9Sstevel@tonic-gate * The "stream" object is considered to be in "text" mode, in
78*7c478bd9Sstevel@tonic-gate * which case file I/O produces undefined results for systems
79*7c478bd9Sstevel@tonic-gate * using locking-shift character sets.
80*7c478bd9Sstevel@tonic-gate */
81*7c478bd9Sstevel@tonic-gate if (wc == '\0')
82*7c478bd9Sstevel@tonic-gate --mb_len;
83*7c478bd9Sstevel@tonic-gate
84*7c478bd9Sstevel@tonic-gate /* Write multibyte character sequence. */
85*7c478bd9Sstevel@tonic-gate for (ptr = wio->_mb, count = 0; count < mb_len; ++ptr, ++count)
86*7c478bd9Sstevel@tonic-gate if ((*wio->put)(*ptr, wio->object) == EOF)
87*7c478bd9Sstevel@tonic-gate break;
88*7c478bd9Sstevel@tonic-gate
89*7c478bd9Sstevel@tonic-gate /* Remember just in case some one needs it. */
90*7c478bd9Sstevel@tonic-gate wio->_size = mb_len;
91*7c478bd9Sstevel@tonic-gate wio->_next = count;
92*7c478bd9Sstevel@tonic-gate
93*7c478bd9Sstevel@tonic-gate return (count);
94*7c478bd9Sstevel@tonic-gate }
95