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These sys/cdefs.h are not needed. Purge them. They are mostly left-over from the $FreeBSD$ removal. A few in libc are still required for macros that cdefs.h defines. Keep those. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D42385
194 lines
5 KiB
C
194 lines
5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Paul Borman at Krystal Technologies.
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*
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* Copyright (c) 2011 The FreeBSD Foundation
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*
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* Portions of this software were developed by David Chisnall
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* under sponsorship from the FreeBSD Foundation.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <errno.h>
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#include <limits.h>
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#include <runetype.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include "mblocal.h"
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static size_t _ascii_mbrtowc(wchar_t * __restrict, const char * __restrict,
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size_t, mbstate_t * __restrict);
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static int _ascii_mbsinit(const mbstate_t *);
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static size_t _ascii_mbsnrtowcs(wchar_t * __restrict dst,
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const char ** __restrict src, size_t nms, size_t len,
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mbstate_t * __restrict ps __unused);
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static size_t _ascii_wcrtomb(char * __restrict, wchar_t,
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mbstate_t * __restrict);
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static size_t _ascii_wcsnrtombs(char * __restrict, const wchar_t ** __restrict,
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size_t, size_t, mbstate_t * __restrict);
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int
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_ascii_init(struct xlocale_ctype *l,_RuneLocale *rl)
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{
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l->__mbrtowc = _ascii_mbrtowc;
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l->__mbsinit = _ascii_mbsinit;
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l->__mbsnrtowcs = _ascii_mbsnrtowcs;
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l->__wcrtomb = _ascii_wcrtomb;
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l->__wcsnrtombs = _ascii_wcsnrtombs;
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l->runes = rl;
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l->__mb_cur_max = 1;
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l->__mb_sb_limit = 128;
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return(0);
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}
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static int
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_ascii_mbsinit(const mbstate_t *ps __unused)
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{
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/*
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* Encoding is not state dependent - we are always in the
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* initial state.
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*/
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return (1);
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}
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static size_t
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_ascii_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
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mbstate_t * __restrict ps __unused)
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{
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if (s == NULL)
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/* Reset to initial shift state (no-op) */
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return (0);
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if (n == 0)
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/* Incomplete multibyte sequence */
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return ((size_t)-2);
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if (*s & 0x80) {
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errno = EILSEQ;
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return ((size_t)-1);
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}
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if (pwc != NULL)
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*pwc = (unsigned char)*s;
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return (*s == '\0' ? 0 : 1);
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}
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static size_t
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_ascii_wcrtomb(char * __restrict s, wchar_t wc,
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mbstate_t * __restrict ps __unused)
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{
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if (s == NULL)
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/* Reset to initial shift state (no-op) */
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return (1);
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if (wc < 0 || wc > 127) {
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errno = EILSEQ;
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return ((size_t)-1);
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}
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*s = (unsigned char)wc;
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return (1);
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}
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static size_t
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_ascii_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
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size_t nms, size_t len, mbstate_t * __restrict ps __unused)
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{
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const char *s;
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size_t nchr;
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if (dst == NULL) {
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for (s = *src; nms > 0 && *s != '\0'; s++, nms--) {
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if (*s & 0x80) {
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errno = EILSEQ;
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return ((size_t)-1);
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}
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}
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return (s - *src);
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}
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s = *src;
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nchr = 0;
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while (len-- > 0 && nms-- > 0) {
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if (*s & 0x80) {
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*src = s;
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errno = EILSEQ;
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return ((size_t)-1);
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}
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if ((*dst++ = (unsigned char)*s++) == L'\0') {
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*src = NULL;
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return (nchr);
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}
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nchr++;
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}
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*src = s;
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return (nchr);
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}
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static size_t
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_ascii_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
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size_t nwc, size_t len, mbstate_t * __restrict ps __unused)
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{
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const wchar_t *s;
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size_t nchr;
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if (dst == NULL) {
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for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
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if (*s < 0 || *s > 127) {
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errno = EILSEQ;
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return ((size_t)-1);
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}
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}
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return (s - *src);
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}
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s = *src;
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nchr = 0;
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while (len-- > 0 && nwc-- > 0) {
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if (*s < 0 || *s > 127) {
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*src = s;
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errno = EILSEQ;
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return ((size_t)-1);
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}
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if ((*dst++ = *s++) == '\0') {
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*src = NULL;
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return (nchr);
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}
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nchr++;
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}
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*src = s;
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return (nchr);
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}
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