fputwc.c revision 4297a3b0d0a35d80f86fff155e288e885a100e6d
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Copyright (c) 2002-2004 Tim J. Robbins.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * All rights reserved.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Redistribution and use in source and binary forms, with or without
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * modification, are permitted provided that the following conditions
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * 1. Redistributions of source code must retain the above copyright
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * notice, this list of conditions and the following disclaimer.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * notice, this list of conditions and the following disclaimer in the
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * documentation and/or other materials provided with the distribution.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * SUCH DAMAGE.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Use is subject to license terms.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * FreeBSD had both a MT safe and non-MT safe version. For whatever reason,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * we don't need the non-MT safe version. We do this because its faster,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * since we don't have to lock the file while doing the potentially expensive
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * conversion from wide to mb.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Solaris also has XPG5 and legacy semantics. The new standard requires
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * that the stream orientation change, but legacy calls don't do that.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Note that we had the source for the XPG5 version of this, but it relied
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * on closed implementation bits that we lack, so we supply replacements
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore__fputwc_impl(wchar_t wc, FILE *fp, int orient)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore /* If we are given WEOF, then we have to stop */
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Assume single-byte locale with no special encoding.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * A more careful test would be to check
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * _CurrentRuneLocale->encoding.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * FreeBSD used restartable wcrtomb. I think we can use
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * the simpler wctomb form here. We should have a complete
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore if ((len = wctomb(buf, wc)) == (size_t)-1) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * This is used for XPG 5 semantics, which requires the stream
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * orientation to be changed when the function is called.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore for (i = 0; i < len; i++) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore if (PUTC((unsigned char)buf[i], fp) == EOF) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Trivial functional form of the typical macro.