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author | tjr <tjr@FreeBSD.org> | 2002-08-18 06:30:10 +0000 |
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committer | tjr <tjr@FreeBSD.org> | 2002-08-18 06:30:10 +0000 |
commit | a87152b56061e8a50c4a1aa30087ab5414747caa (patch) | |
tree | b0db833aa303e27ab11b105a22ad20569ca28d93 /lib/libc/locale/wcrtomb.c | |
parent | 6cf27f3105308a52d2373d09af8a7a599cfd68c2 (diff) | |
download | FreeBSD-src-a87152b56061e8a50c4a1aa30087ab5414747caa.zip FreeBSD-src-a87152b56061e8a50c4a1aa30087ab5414747caa.tar.gz |
Implement the ISO C90 Amd.1 restartable wide and multibyte character
manipulation functions mbrlen(), mbrtowc(), mbsinit(), mbsrtowcs(),
wcrtomb(), wcsrtombs().
Diffstat (limited to 'lib/libc/locale/wcrtomb.c')
-rw-r--r-- | lib/libc/locale/wcrtomb.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/libc/locale/wcrtomb.c b/lib/libc/locale/wcrtomb.c new file mode 100644 index 0000000..8c8b2cd --- /dev/null +++ b/lib/libc/locale/wcrtomb.c @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2002 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 <errno.h> +#include <rune.h> +#include <stdlib.h> +#include <wchar.h> + +size_t +wcrtomb(char *__restrict s, wchar_t wc, mbstate_t *__restrict ps __unused) +{ + char *e; + + sputrune(wc, s, MB_CUR_MAX, &e); + if (e == NULL) { + errno = EILSEQ; + return ((size_t)-1); + } + return ((size_t)(e - s)); +} |