2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
513 lines
11 KiB
C
513 lines
11 KiB
C
/* $NetBSD: citrus_zw.c,v 1.4 2008/06/14 16:01:08 tnozaki Exp $ */
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/*-
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* Copyright (c)2004, 2006 Citrus Project,
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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*/
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#include <sys/cdefs.h>
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#if defined(LIB_SCCS) && !defined(lint)
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__RCSID("$NetBSD: citrus_zw.c,v 1.4 2008/06/14 16:01:08 tnozaki Exp $");
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#endif /* LIB_SCCS and not lint */
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#include <sys/types.h>
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <wchar.h>
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#include <limits.h>
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#include "citrus_namespace.h"
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#include "citrus_types.h"
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#include "citrus_module.h"
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#include "citrus_ctype.h"
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#include "citrus_stdenc.h"
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#include "citrus_zw.h"
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/* ----------------------------------------------------------------------
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* private stuffs used by templates
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*/
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typedef struct {
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int dummy;
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} _ZWEncodingInfo;
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typedef enum {
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NONE, AMBIGIOUS, ASCII, GB2312
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} _ZWCharset;
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typedef struct {
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int chlen;
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char ch[4];
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_ZWCharset charset;
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} _ZWState;
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typedef struct {
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_ZWEncodingInfo ei;
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struct {
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/* for future multi-locale facility */
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_ZWState s_mblen;
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_ZWState s_mbrlen;
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_ZWState s_mbrtowc;
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_ZWState s_mbtowc;
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_ZWState s_mbsrtowcs;
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_ZWState s_wcrtomb;
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_ZWState s_wcsrtombs;
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_ZWState s_wctomb;
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} states;
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} _ZWCTypeInfo;
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#define _CEI_TO_EI(_cei_) (&(_cei_)->ei)
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#define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_
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#define _FUNCNAME(m) _citrus_ZW_##m
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#define _ENCODING_INFO _ZWEncodingInfo
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#define _CTYPE_INFO _ZWCTypeInfo
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#define _ENCODING_STATE _ZWState
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#define _ENCODING_MB_CUR_MAX(_ei_) MB_LEN_MAX
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#define _ENCODING_IS_STATE_DEPENDENT 1
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#define _STATE_NEEDS_EXPLICIT_INIT(_ps_) ((_ps_)->charset != NONE)
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static __inline void
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/*ARGSUSED*/
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_citrus_ZW_init_state(_ZWEncodingInfo * __restrict ei,
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_ZWState * __restrict psenc)
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{
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/* ei my be unused */
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_DIAGASSERT(psenc != NULL);
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psenc->chlen = 0;
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psenc->charset = NONE;
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}
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static __inline void
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/*ARGSUSED*/
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_citrus_ZW_pack_state(_ZWEncodingInfo * __restrict ei,
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void *__restrict pspriv, const _ZWState * __restrict psenc)
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{
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/* ei may be unused */
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_DIAGASSERT(pspriv != NULL);
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_DIAGASSERT(psenc != NULL);
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memcpy(pspriv, (const void *)psenc, sizeof(*psenc));
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}
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static __inline void
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/*ARGSUSED*/
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_citrus_ZW_unpack_state(_ZWEncodingInfo * __restrict ei,
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_ZWState * __restrict psenc, const void * __restrict pspriv)
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{
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/* ei may be unused */
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_DIAGASSERT(psenc != NULL);
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_DIAGASSERT(pspriv != NULL);
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memcpy((void *)psenc, pspriv, sizeof(*psenc));
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}
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static int
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_citrus_ZW_mbrtowc_priv(_ZWEncodingInfo * __restrict ei,
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wchar_t * __restrict pwc, const char **__restrict s, size_t n,
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_ZWState * __restrict psenc, size_t * __restrict nresult)
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{
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const char *s0;
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int ch, len;
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wchar_t wc;
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/* ei may be unused */
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/* pwc may be null */
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_DIAGASSERT(s != NULL);
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_DIAGASSERT(psenc != NULL);
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_DIAGASSERT(nresult != NULL);
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if (*s == NULL) {
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_citrus_ZW_init_state(ei, psenc);
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*nresult = (size_t)_ENCODING_IS_STATE_DEPENDENT;
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return 0;
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}
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s0 = *s;
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len = 0;
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#define STORE \
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do { \
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if (n-- < 1) { \
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*nresult = (size_t)-2; \
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*s = s0; \
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return 0; \
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} \
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ch = (unsigned char)*s0++; \
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if (len++ > MB_LEN_MAX || ch > 0x7F)\
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goto ilseq; \
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psenc->ch[psenc->chlen++] = ch; \
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} while (/*CONSTCOND*/0)
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loop:
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switch (psenc->charset) {
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case ASCII:
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switch (psenc->chlen) {
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case 0:
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STORE;
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switch (psenc->ch[0]) {
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case '\0': case '\n':
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psenc->charset = NONE;
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}
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/*FALLTHROUGH*/
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case 1:
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break;
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default:
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return EINVAL;
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}
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ch = (unsigned char)psenc->ch[0];
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if (ch > 0x7F)
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goto ilseq;
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wc = (wchar_t)ch;
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psenc->chlen = 0;
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break;
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case NONE:
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if (psenc->chlen != 0)
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return EINVAL;
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STORE;
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ch = (unsigned char)psenc->ch[0];
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if (ch != 'z') {
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if (ch != '\n' && ch != '\0')
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psenc->charset = ASCII;
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wc = (wchar_t)ch;
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psenc->chlen = 0;
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break;
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}
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psenc->charset = AMBIGIOUS;
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psenc->chlen = 0;
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/* FALLTHROUGH */
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case AMBIGIOUS:
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if (psenc->chlen != 0)
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return EINVAL;
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STORE;
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if (psenc->ch[0] != 'W') {
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psenc->charset = ASCII;
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wc = L'z';
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break;
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}
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psenc->charset = GB2312;
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psenc->chlen = 0;
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/* FALLTHROUGH */
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case GB2312:
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switch (psenc->chlen) {
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case 0:
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STORE;
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ch = (unsigned char)psenc->ch[0];
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if (ch == '\0') {
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psenc->charset = NONE;
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wc = (wchar_t)ch;
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psenc->chlen = 0;
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break;
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} else if (ch == '\n') {
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psenc->charset = NONE;
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psenc->chlen = 0;
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goto loop;
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}
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/*FALLTHROUGH*/
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case 1:
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STORE;
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if (psenc->ch[0] == ' ') {
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ch = (unsigned char)psenc->ch[1];
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wc = (wchar_t)ch;
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psenc->chlen = 0;
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break;
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} else if (psenc->ch[0] == '#') {
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ch = (unsigned char)psenc->ch[1];
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if (ch == '\n') {
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psenc->charset = NONE;
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wc = (wchar_t)ch;
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psenc->chlen = 0;
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break;
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} else if (ch == ' ') {
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wc = (wchar_t)ch;
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psenc->chlen = 0;
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break;
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}
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}
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ch = (unsigned char)psenc->ch[0];
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if (ch < 0x21 || ch > 0x7E)
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goto ilseq;
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wc = (wchar_t)(ch << 8);
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ch = (unsigned char)psenc->ch[1];
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if (ch < 0x21 || ch > 0x7E) {
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ilseq:
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*nresult = (size_t)-1;
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return EILSEQ;
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}
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wc |= (wchar_t)ch;
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psenc->chlen = 0;
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break;
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default:
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return EINVAL;
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}
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break;
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default:
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return EINVAL;
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}
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if (pwc != NULL)
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*pwc = wc;
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*nresult = (size_t)(wc == 0 ? 0 : len);
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*s = s0;
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return 0;
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}
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static int
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/*ARGSUSED*/
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_citrus_ZW_wcrtomb_priv(_ZWEncodingInfo * __restrict ei,
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char *__restrict s, size_t n, wchar_t wc,
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_ZWState * __restrict psenc, size_t * __restrict nresult)
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{
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int ch;
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/* ei may be null */
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_DIAGASSERT(s != NULL);
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_DIAGASSERT(psenc != NULL);
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_DIAGASSERT(nresult != NULL);
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if (psenc->chlen != 0)
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return EINVAL;
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if ((uint32_t)wc <= 0x7F) {
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ch = (unsigned char)wc;
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switch (psenc->charset) {
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case NONE:
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if (ch == '\0' || ch == '\n') {
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psenc->ch[psenc->chlen++] = ch;
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} else {
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if (n < 4)
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return E2BIG;
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n -= 4;
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psenc->ch[psenc->chlen++] = 'z';
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psenc->ch[psenc->chlen++] = 'W';
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psenc->ch[psenc->chlen++] = ' ';
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psenc->ch[psenc->chlen++] = ch;
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psenc->charset = GB2312;
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}
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break;
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case GB2312:
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if (n < 2)
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return E2BIG;
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n -= 2;
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if (ch == '\0') {
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psenc->ch[psenc->chlen++] = '\n';
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psenc->ch[psenc->chlen++] = '\0';
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psenc->charset = NONE;
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} else if (ch == '\n') {
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psenc->ch[psenc->chlen++] = '#';
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psenc->ch[psenc->chlen++] = '\n';
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psenc->charset = NONE;
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} else {
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psenc->ch[psenc->chlen++] = ' ';
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psenc->ch[psenc->chlen++] = ch;
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}
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break;
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default:
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return EINVAL;
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}
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} else if ((uint32_t)wc <= 0x7E7E) {
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switch (psenc->charset) {
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case NONE:
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if (n < 2)
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return E2BIG;
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n -= 2;
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psenc->ch[psenc->chlen++] = 'z';
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psenc->ch[psenc->chlen++] = 'W';
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psenc->charset = GB2312;
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/* FALLTHROUGH*/
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case GB2312:
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if (n < 2)
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return E2BIG;
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n -= 2;
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ch = (wc >> 8) & 0xFF;
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if (ch < 0x21 || ch > 0x7E)
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goto ilseq;
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psenc->ch[psenc->chlen++] = ch;
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ch = wc & 0xFF;
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if (ch < 0x21 || ch > 0x7E)
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goto ilseq;
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psenc->ch[psenc->chlen++] = ch;
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break;
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default:
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return EINVAL;
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}
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} else {
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ilseq:
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*nresult = (size_t)-1;
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return EILSEQ;
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}
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memcpy(s, psenc->ch, psenc->chlen);
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*nresult = psenc->chlen;
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psenc->chlen = 0;
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return 0;
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}
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static int
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/*ARGSUSED*/
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_citrus_ZW_put_state_reset(_ZWEncodingInfo * __restrict ei,
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char * __restrict s, size_t n,
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_ZWState * __restrict psenc, size_t * __restrict nresult)
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{
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/* ei may be unused */
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_DIAGASSERT(s != NULL);
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_DIAGASSERT(psenc != NULL);
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_DIAGASSERT(nresult != NULL);
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if (psenc->chlen != 0)
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return EINVAL;
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switch (psenc->charset) {
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case GB2312:
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if (n-- < 1)
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return E2BIG;
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psenc->ch[psenc->chlen++] = '\n';
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psenc->charset = NONE;
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/*FALLTHROUGH*/
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case NONE:
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*nresult = psenc->chlen;
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if (psenc->chlen > 0) {
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memcpy(s, psenc->ch, psenc->chlen);
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psenc->chlen = 0;
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}
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break;
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default:
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return EINVAL;
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}
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return 0;
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}
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static __inline int
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/*ARGSUSED*/
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_citrus_ZW_stdenc_get_state_desc_generic(_ZWEncodingInfo * __restrict ei,
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_ZWState * __restrict psenc, int * __restrict rstate)
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{
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/* ei may be unused */
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_DIAGASSERT(psenc != NULL);
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_DIAGASSERT(rstate != NULL);
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switch (psenc->charset) {
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case NONE:
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if (psenc->chlen != 0)
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return EINVAL;
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*rstate = _STDENC_SDGEN_INITIAL;
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break;
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case AMBIGIOUS:
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if (psenc->chlen != 0)
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return EINVAL;
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*rstate = _STDENC_SDGEN_INCOMPLETE_SHIFT;
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break;
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case ASCII:
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case GB2312:
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switch (psenc->chlen) {
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case 0:
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*rstate = _STDENC_SDGEN_STABLE;
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break;
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case 1:
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*rstate = (psenc->ch[0] == '#')
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? _STDENC_SDGEN_INCOMPLETE_SHIFT
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: _STDENC_SDGEN_INCOMPLETE_CHAR;
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break;
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default:
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return EINVAL;
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}
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break;
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default:
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return EINVAL;
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}
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return 0;
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}
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static __inline int
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/*ARGSUSED*/
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_citrus_ZW_stdenc_wctocs(_ZWEncodingInfo * __restrict ei,
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_csid_t * __restrict csid, _index_t * __restrict idx, wchar_t wc)
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{
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/* ei seems to be unused */
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_DIAGASSERT(csid != NULL);
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_DIAGASSERT(idx != NULL);
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*csid = (_csid_t)(wc <= 0x7FU) ? 0 : 1;
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*idx = (_index_t)wc;
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return 0;
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}
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static __inline int
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/*ARGSUSED*/
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_citrus_ZW_stdenc_cstowc(_ZWEncodingInfo * __restrict ei,
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wchar_t * __restrict wc, _csid_t csid, _index_t idx)
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{
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/* ei seems to be unused */
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_DIAGASSERT(wc != NULL);
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switch (csid) {
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case 0: case 1:
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break;
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default:
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return EINVAL;
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}
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*wc = (wchar_t)idx;
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return 0;
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}
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static void
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/*ARGSUSED*/
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_citrus_ZW_encoding_module_uninit(_ZWEncodingInfo *ei)
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{
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}
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static int
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/*ARGSUSED*/
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_citrus_ZW_encoding_module_init(_ZWEncodingInfo * __restrict ei,
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const void *__restrict var, size_t lenvar)
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{
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return 0;
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}
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/* ----------------------------------------------------------------------
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* public interface for ctype
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*/
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_CITRUS_CTYPE_DECLS(ZW);
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_CITRUS_CTYPE_DEF_OPS(ZW);
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#include "citrus_ctype_template.h"
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/* ----------------------------------------------------------------------
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* public interface for stdenc
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*/
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_CITRUS_STDENC_DECLS(ZW);
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_CITRUS_STDENC_DEF_OPS(ZW);
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#include "citrus_stdenc_template.h"
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