+++ /dev/null
-/*-
- * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
- * 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.
- * 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: src/lib/libc/locale/ascii.c,v 1.1 2008/01/21 23:48:12 ache Exp $");
-
-#include <errno.h>
-#include <limits.h>
-#include <runetype.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <wchar.h>
-#include "mblocal.h"
-
-static size_t _ascii_mbrtowc(wchar_t * __restrict, const char * __restrict,
- size_t, mbstate_t * __restrict, locale_t);
-static int _ascii_mbsinit(const mbstate_t *, locale_t);
-static size_t _ascii_mbsnrtowcs(wchar_t * __restrict dst,
- const char ** __restrict src, size_t nms, size_t len,
- mbstate_t * __restrict ps __unused, locale_t);
-static size_t _ascii_wcrtomb(char * __restrict, wchar_t,
- mbstate_t * __restrict, locale_t);
-static size_t _ascii_wcsnrtombs(char * __restrict, const wchar_t ** __restrict,
- size_t, size_t, mbstate_t * __restrict, locale_t);
-
-__private_extern__ int
-_ascii_init(struct __xlocale_st_runelocale *xrl)
-{
-
- xrl->__mbrtowc = _ascii_mbrtowc;
- xrl->__mbsinit = _ascii_mbsinit;
- xrl->__mbsnrtowcs = _ascii_mbsnrtowcs;
- xrl->__wcrtomb = _ascii_wcrtomb;
- xrl->__wcsnrtombs = _ascii_wcsnrtombs;
- xrl->__mb_cur_max = 1;
- xrl->__mb_sb_limit = 128;
- return(0);
-}
-
-static int
-_ascii_mbsinit(const mbstate_t *ps __unused, locale_t loc __unused)
-{
-
- /*
- * Encoding is not state dependent - we are always in the
- * initial state.
- */
- return (1);
-}
-
-static size_t
-_ascii_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
- mbstate_t * __restrict ps __unused, locale_t loc __unused)
-{
-
- if (s == NULL)
- /* Reset to initial shift state (no-op) */
- return (0);
- if (n == 0)
- /* Incomplete multibyte sequence */
- return ((size_t)-2);
- if (*s & 0x80) {
- errno = EILSEQ;
- return ((size_t)-1);
- }
- if (pwc != NULL)
- *pwc = (unsigned char)*s;
- return (*s == '\0' ? 0 : 1);
-}
-
-static size_t
-_ascii_wcrtomb(char * __restrict s, wchar_t wc,
- mbstate_t * __restrict ps __unused, locale_t loc __unused)
-{
-
- if (s == NULL)
- /* Reset to initial shift state (no-op) */
- return (1);
- if (wc < 0 || wc > 127) {
- errno = EILSEQ;
- return ((size_t)-1);
- }
- *s = (unsigned char)wc;
- return (1);
-}
-
-static size_t
-_ascii_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
- size_t nms, size_t len, mbstate_t * __restrict ps __unused, locale_t loc __unused)
-{
- const char *s;
- size_t nchr;
-
- if (dst == NULL) {
- for (s = *src; nms > 0 && *s != '\0'; s++, nms--) {
- if (*s & 0x80) {
- errno = EILSEQ;
- return ((size_t)-1);
- }
- }
- return (s - *src);
- }
-
- s = *src;
- nchr = 0;
- while (len-- > 0 && nms-- > 0) {
- if (*s & 0x80) {
- errno = EILSEQ;
- return ((size_t)-1);
- }
- if ((*dst++ = (unsigned char)*s++) == L'\0') {
- *src = NULL;
- return (nchr);
- }
- nchr++;
- }
- *src = s;
- return (nchr);
-}
-
-static size_t
-_ascii_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
- size_t nwc, size_t len, mbstate_t * __restrict ps __unused, locale_t loc __unused)
-{
- const wchar_t *s;
- size_t nchr;
-
- if (dst == NULL) {
- for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
- if (*s < 0 || *s > 127) {
- errno = EILSEQ;
- return ((size_t)-1);
- }
- }
- return (s - *src);
- }
-
- s = *src;
- nchr = 0;
- while (len-- > 0 && nwc-- > 0) {
- if (*s < 0 || *s > 127) {
- errno = EILSEQ;
- return ((size_t)-1);
- }
- if ((*dst++ = *s++) == '\0') {
- *src = NULL;
- return (nchr);
- }
- nchr++;
- }
- *src = s;
- return (nchr);
-}
-
projects / apple / libc.git / blobdiff