1949a3470f
convenient when the source string isn't null-terminated. Implement the other conversion functions (mbstowcs(), mbsrtowcs(), wcstombs(), wcsrtombs()) in terms of these new functions.
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*-
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* Copyright (c) 2002-2004 Tim J. Robbins.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "namespace.h"
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <wchar.h>
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#include "un-namespace.h"
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#include "fvwrite.h"
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#include "libc_private.h"
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#include "local.h"
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#include "mblocal.h"
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int
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fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
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{
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size_t nbytes;
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char buf[BUFSIZ];
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struct __suio uio;
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struct __siov iov;
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FLOCKFILE(fp);
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ORIENT(fp, 1);
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if (prepwrite(fp) != 0)
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goto error;
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uio.uio_iov = &iov;
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uio.uio_iovcnt = 1;
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iov.iov_base = buf;
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do {
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nbytes = __wcsnrtombs(buf, &ws, SIZE_T_MAX, sizeof(buf),
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&fp->_extra->mbstate);
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if (nbytes == (size_t)-1)
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goto error;
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iov.iov_len = uio.uio_resid = nbytes;
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if (__sfvwrite(fp, &uio) != 0)
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goto error;
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} while (ws != NULL);
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FUNLOCKFILE(fp);
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return (0);
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error:
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FUNLOCKFILE(fp);
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return (-1);
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}
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