diff options
Diffstat (limited to 'lib/libc/stdio/fputws.c')
-rw-r--r-- | lib/libc/stdio/fputws.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/libc/stdio/fputws.c b/lib/libc/stdio/fputws.c new file mode 100644 index 0000000..025e1c0 --- /dev/null +++ b/lib/libc/stdio/fputws.c @@ -0,0 +1,71 @@ +/*- + * Copyright (c) 2002-2004 Tim J. Robbins. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "namespace.h" +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <wchar.h> +#include "un-namespace.h" +#include "fvwrite.h" +#include "libc_private.h" +#include "local.h" +#include "mblocal.h" + +int +fputws(const wchar_t * __restrict ws, FILE * __restrict fp) +{ + size_t nbytes; + char buf[BUFSIZ]; + struct __suio uio; + struct __siov iov; + + FLOCKFILE(fp); + ORIENT(fp, 1); + if (prepwrite(fp) != 0) + goto error; + uio.uio_iov = &iov; + uio.uio_iovcnt = 1; + iov.iov_base = buf; + do { + nbytes = __wcsnrtombs(buf, &ws, SIZE_T_MAX, sizeof(buf), + &fp->_extra->mbstate); + if (nbytes == (size_t)-1) + goto error; + iov.iov_len = uio.uio_resid = nbytes; + if (__sfvwrite(fp, &uio) != 0) + goto error; + } while (ws != NULL); + FUNLOCKFILE(fp); + return (0); + +error: + FUNLOCKFILE(fp); + return (-1); +} |