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author | tjr <tjr@FreeBSD.org> | 2002-08-31 11:26:55 +0000 |
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committer | tjr <tjr@FreeBSD.org> | 2002-08-31 11:26:55 +0000 |
commit | 4a4fda0f86edd9f8e75ae485d7706f74b2b49c74 (patch) | |
tree | fefc8372c5bc813e8c78bdfd04b6c64d791bb806 /lib/libc/locale/mbstowcs.c | |
parent | e9b69040911ee1febbec3a2f2f93cf920d7d50db (diff) | |
download | FreeBSD-src-4a4fda0f86edd9f8e75ae485d7706f74b2b49c74.zip FreeBSD-src-4a4fda0f86edd9f8e75ae485d7706f74b2b49c74.tar.gz |
Split ansi.c into a separate source file for each function.
Diffstat (limited to 'lib/libc/locale/mbstowcs.c')
-rw-r--r-- | lib/libc/locale/mbstowcs.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/libc/locale/mbstowcs.c b/lib/libc/locale/mbstowcs.c new file mode 100644 index 0000000..5c60a5b --- /dev/null +++ b/lib/libc/locale/mbstowcs.c @@ -0,0 +1,67 @@ +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Paul Borman at Krystal Technologies. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <stdlib.h> +#include <limits.h> +#include <stddef.h> +#include <rune.h> + +size_t +mbstowcs(pwcs, s, n) + wchar_t *pwcs; + const char *s; + size_t n; +{ + char const *e; + int cnt = 0; + + if (!pwcs || !s) + return (-1); + + while (n-- > 0) { + *pwcs = sgetrune(s, MB_LEN_MAX, &e); + if (*pwcs == _INVALID_RUNE) + return (-1); + if (*pwcs++ == 0) + break; + s = e; + ++cnt; + } + return (cnt); +} |