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
571 lines
13 KiB
C
571 lines
13 KiB
C
/* $NetBSD: citrus_utf7.c,v 1.5 2006/08/23 12:57:24 tnozaki Exp $ */
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/*-
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* Copyright (c)2004, 2005 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_utf7.c,v 1.5 2006/08/23 12:57:24 tnozaki Exp $");
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#endif /* LIB_SCCS and not lint */
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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 <limits.h>
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#include <wchar.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_utf7.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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uint16_t cell[0x80];
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#define EI_MASK UINT16_C(0xff)
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#define EI_DIRECT UINT16_C(0x100)
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#define EI_OPTION UINT16_C(0x200)
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#define EI_SPACE UINT16_C(0x400)
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} _UTF7EncodingInfo;
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typedef struct {
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unsigned int
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mode: 1, /* whether base64 mode */
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bits: 4, /* need to hold 0 - 15 */
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cache: 22, /* 22 = BASE64_BIT + UTF16_BIT */
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surrogate: 1; /* whether surrogate pair or not */
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int chlen;
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char ch[4]; /* BASE64_IN, 3 * 6 = 18, most closed to UTF16_BIT */
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} _UTF7State;
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typedef struct {
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_UTF7EncodingInfo ei;
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struct {
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/* for future multi-locale facility */
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_UTF7State s_mblen;
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_UTF7State s_mbrlen;
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_UTF7State s_mbrtowc;
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_UTF7State s_mbtowc;
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_UTF7State s_mbsrtowcs;
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_UTF7State s_wcrtomb;
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_UTF7State s_wcsrtombs;
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_UTF7State s_wctomb;
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} states;
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} _UTF7CTypeInfo;
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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_UTF7_##m
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#define _ENCODING_INFO _UTF7EncodingInfo
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#define _CTYPE_INFO _UTF7CTypeInfo
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#define _ENCODING_STATE _UTF7State
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#define _ENCODING_MB_CUR_MAX(_ei_) 4
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#define _ENCODING_IS_STATE_DEPENDENT 1
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#define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0
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static __inline void
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/*ARGSUSED*/
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_citrus_UTF7_init_state(_UTF7EncodingInfo * __restrict ei,
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_UTF7State * __restrict s)
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{
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/* ei appears to be unused */
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_DIAGASSERT(s != NULL);
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memset((void *)s, 0, sizeof(*s));
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}
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static __inline void
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/*ARGSUSED*/
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_citrus_UTF7_pack_state(_UTF7EncodingInfo * __restrict ei,
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void *__restrict pspriv, const _UTF7State * __restrict s)
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{
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/* ei seem to be unused */
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_DIAGASSERT(pspriv != NULL);
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_DIAGASSERT(s != NULL);
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memcpy(pspriv, (const void *)s, sizeof(*s));
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}
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static __inline void
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/*ARGSUSED*/
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_citrus_UTF7_unpack_state(_UTF7EncodingInfo * __restrict ei,
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_UTF7State * __restrict s, const void * __restrict pspriv)
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{
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/* ei seem to be unused */
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_DIAGASSERT(s != NULL);
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_DIAGASSERT(pspriv != NULL);
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memcpy((void *)s, pspriv, sizeof(*s));
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}
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static const char base64[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz"
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"0123456789+/";
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static const char direct[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz"
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"0123456789(),-./:?";
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static const char option[] = "!\"#$%&';<=>@[]^_`{|}";
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static const char spaces[] = " \t\r\n";
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#define BASE64_BIT 6
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#define UTF16_BIT 16
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#define BASE64_MAX 0x3f
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#define UTF16_MAX UINT16_C(0xffff)
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#define UTF32_MAX UINT32_C(0x10ffff)
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#define BASE64_IN '+'
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#define BASE64_OUT '-'
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#define SHIFT7BIT(c) ((c) >> 7)
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#define ISSPECIAL(c) ((c) == '\0' || (c) == BASE64_IN)
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#define FINDLEN(ei, c) \
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(SHIFT7BIT((c)) ? -1 : (((ei)->cell[(c)] & EI_MASK) - 1))
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#define ISDIRECT(ei, c) (!SHIFT7BIT((c)) && (ISSPECIAL((c)) || \
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ei->cell[(c)] & (EI_DIRECT | EI_OPTION | EI_SPACE)))
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#define ISSAFE(ei, c) (!SHIFT7BIT((c)) && (ISSPECIAL((c)) || \
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(c < 0x80 && ei->cell[(c)] & (EI_DIRECT | EI_SPACE))))
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/* surrogate pair */
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#define SRG_BASE UINT32_C(0x10000)
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#define HISRG_MIN UINT16_C(0xd800)
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#define HISRG_MAX UINT16_C(0xdbff)
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#define LOSRG_MIN UINT16_C(0xdc00)
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#define LOSRG_MAX UINT16_C(0xdfff)
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static int
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_citrus_UTF7_mbtoutf16(_UTF7EncodingInfo * __restrict ei,
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uint16_t * __restrict u16, const char ** __restrict s, size_t n,
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_UTF7State * __restrict psenc, size_t * __restrict nresult)
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{
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_UTF7State sv;
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const char *s0;
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int i, done, len;
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_DIAGASSERT(ei != NULL);
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_DIAGASSERT(s != NULL && *s != NULL);
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_DIAGASSERT(psenc != NULL);
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s0 = *s;
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sv = *psenc;
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for (i = 0, done = 0; done == 0; i++) {
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_DIAGASSERT(i <= psenc->chlen);
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if (i == psenc->chlen) {
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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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sv.chlen = psenc->chlen;
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*psenc = sv;
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return 0;
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}
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psenc->ch[psenc->chlen++] = *s0++;
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}
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if (SHIFT7BIT((int)psenc->ch[i]))
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goto ilseq;
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if (!psenc->mode) {
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if (psenc->bits > 0 || psenc->cache > 0)
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return EINVAL;
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if (psenc->ch[i] == BASE64_IN) {
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psenc->mode = 1;
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} else {
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if (!ISDIRECT(ei, (int)psenc->ch[i]))
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goto ilseq;
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*u16 = (uint16_t)psenc->ch[i];
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done = 1;
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continue;
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}
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} else {
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if (psenc->ch[i] == BASE64_OUT && psenc->cache == 0) {
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psenc->mode = 0;
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*u16 = (uint16_t)BASE64_IN;
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done = 1;
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continue;
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}
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len = FINDLEN(ei, (int)psenc->ch[i]);
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if (len < 0) {
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if (psenc->bits >= BASE64_BIT)
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return EINVAL;
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psenc->mode = 0;
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psenc->bits = psenc->cache = 0;
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if (psenc->ch[i] != BASE64_OUT) {
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if (!ISDIRECT(ei, (int)psenc->ch[i]))
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goto ilseq;
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*u16 = (uint16_t)psenc->ch[i];
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done = 1;
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}
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} else {
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psenc->cache =
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(psenc->cache << BASE64_BIT) | len;
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switch (psenc->bits) {
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case 0: case 2: case 4: case 6: case 8:
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psenc->bits += BASE64_BIT;
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break;
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case 10: case 12: case 14:
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psenc->bits -= (UTF16_BIT - BASE64_BIT);
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*u16 = (psenc->cache >> psenc->bits)
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& UTF16_MAX;
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done = 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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}
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}
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}
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if (psenc->chlen > i)
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return EINVAL;
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psenc->chlen = 0;
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*nresult = (size_t)((*u16 == 0) ? 0 : s0 - *s);
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*s = s0;
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return 0;
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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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static int
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_citrus_UTF7_mbrtowc_priv(_UTF7EncodingInfo * __restrict ei,
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wchar_t * __restrict pwc, const char ** __restrict s, size_t n,
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_UTF7State * __restrict psenc, size_t * __restrict nresult)
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{
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const char *s0;
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uint32_t u32;
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uint16_t hi, lo;
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size_t siz, nr;
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int err;
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_DIAGASSERT(ei != NULL);
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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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if (*s == NULL) {
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_citrus_UTF7_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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if (psenc->surrogate) {
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hi = (psenc->cache >> 2) & UTF16_MAX;
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if (hi < HISRG_MIN || hi > HISRG_MAX)
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return EINVAL;
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siz = 0;
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} else {
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err = _citrus_UTF7_mbtoutf16(ei, &hi, &s0, n, psenc, &nr);
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if (nr == (size_t)-1 || nr == (size_t)-2) {
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*nresult = nr;
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return err;
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}
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if (err != 0)
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return err;
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n -= nr;
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siz = nr;
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if (hi < HISRG_MIN || hi > HISRG_MAX) {
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u32 = (uint32_t)hi;
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goto done;
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}
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psenc->surrogate = 1;
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}
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err = _citrus_UTF7_mbtoutf16(ei, &lo, &s0, n, psenc, &nr);
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if (nr == (size_t)-1 || nr == (size_t)-2) {
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*nresult = nr;
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return err;
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}
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if (err != 0)
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return err;
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hi -= HISRG_MIN;
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lo -= LOSRG_MIN;
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u32 = (hi << 10 | lo) + SRG_BASE;
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siz += nr;
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done:
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*s = s0;
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if (pwc != NULL)
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*pwc = (wchar_t)u32;
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if (u32 == (uint32_t)0) {
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*nresult = (size_t)0;
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_citrus_UTF7_init_state(ei, psenc);
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} else {
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*nresult = siz;
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psenc->surrogate = 0;
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}
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return err;
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}
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static int
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_citrus_UTF7_utf16tomb(_UTF7EncodingInfo * __restrict ei,
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char * __restrict s, size_t n, uint16_t u16,
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_UTF7State * __restrict psenc, size_t * __restrict nresult)
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{
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int bits, i;
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_DIAGASSERT(ei != NULL);
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_DIAGASSERT(psenc != NULL);
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if (psenc->chlen != 0 || psenc->bits > BASE64_BIT)
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return EINVAL;
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if (ISSAFE(ei, u16)) {
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if (psenc->mode) {
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if (psenc->bits > 0) {
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bits = BASE64_BIT - psenc->bits;
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i = (psenc->cache << bits) & BASE64_MAX;
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psenc->ch[psenc->chlen++] = base64[i];
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psenc->bits = psenc->cache = 0;
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}
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if (u16 == BASE64_OUT || FINDLEN(ei, u16) >= 0)
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psenc->ch[psenc->chlen++] = BASE64_OUT;
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psenc->mode = 0;
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}
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if (psenc->bits != 0)
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return EINVAL;
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psenc->ch[psenc->chlen++] = (char)u16;
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if (u16 == BASE64_IN)
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psenc->ch[psenc->chlen++] = BASE64_OUT;
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} else {
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if (!psenc->mode) {
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if (psenc->bits > 0)
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return EINVAL;
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psenc->ch[psenc->chlen++] = BASE64_IN;
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psenc->mode = 1;
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}
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psenc->cache = (psenc->cache << UTF16_BIT) | u16;
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bits = UTF16_BIT + psenc->bits;
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psenc->bits = bits % BASE64_BIT;
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while ((bits -= BASE64_BIT) >= 0) {
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i = (psenc->cache >> bits) & BASE64_MAX;
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psenc->ch[psenc->chlen++] = base64[i];
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}
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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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_citrus_UTF7_wcrtomb_priv(_UTF7EncodingInfo * __restrict ei,
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char * __restrict s, size_t n, wchar_t wchar,
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_UTF7State * __restrict psenc, size_t * __restrict nresult)
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{
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uint32_t u32;
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uint16_t u16[2];
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int err, len, i;
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size_t siz, nr;
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_DIAGASSERT(ei != 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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u32 = (uint32_t)wchar;
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if (u32 <= UTF16_MAX) {
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u16[0] = (uint16_t)u32;
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len = 1;
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} else if (u32 <= UTF32_MAX) {
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u32 -= SRG_BASE;
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u16[0] = (u32 >> 10) + HISRG_MIN;
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u16[1] = ((uint16_t)(u32 & UINT32_C(0x3ff))) + LOSRG_MIN;
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len = 2;
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} else {
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*nresult = (size_t)-1;
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return EILSEQ;
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}
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siz = 0;
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for (i = 0; i < len; ++i) {
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err = _citrus_UTF7_utf16tomb(ei, s, n, u16[i], psenc, &nr);
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if (err != 0)
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return err; /* XXX: state has been modified */
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s += nr;
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n -= nr;
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siz += nr;
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}
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*nresult = siz;
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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_UTF7_put_state_reset(_UTF7EncodingInfo * __restrict ei,
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char * __restrict s, size_t n, _UTF7State * __restrict psenc,
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size_t * __restrict nresult)
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{
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int bits, pos;
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_DIAGASSERT(ei != 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 || psenc->bits > BASE64_BIT || psenc->surrogate)
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return EINVAL;
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if (psenc->mode) {
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if (psenc->bits > 0) {
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if (n-- < 1)
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return E2BIG;
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bits = BASE64_BIT - psenc->bits;
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pos = (psenc->cache << bits) & BASE64_MAX;
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psenc->ch[psenc->chlen++] = base64[pos];
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psenc->ch[psenc->chlen++] = BASE64_OUT;
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psenc->bits = psenc->cache = 0;
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}
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psenc->mode = 0;
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}
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if (psenc->bits != 0)
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return EINVAL;
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if (n-- < 1)
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return E2BIG;
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_DIAGASSERT(n >= psenc->chlen);
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*nresult = (size_t)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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return 0;
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}
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|
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static __inline int
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/*ARGSUSED*/
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|
_citrus_UTF7_stdenc_wctocs(_UTF7EncodingInfo * __restrict ei,
|
|
_csid_t * __restrict csid,
|
|
_index_t * __restrict idx, wchar_t wc)
|
|
{
|
|
/* ei seem to be unused */
|
|
_DIAGASSERT(csid != NULL);
|
|
_DIAGASSERT(idx != NULL);
|
|
|
|
*csid = 0;
|
|
*idx = (_index_t)wc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_UTF7_stdenc_cstowc(_UTF7EncodingInfo * __restrict ei,
|
|
wchar_t * __restrict wc,
|
|
_csid_t csid, _index_t idx)
|
|
{
|
|
/* ei seem to be unused */
|
|
_DIAGASSERT(wc != NULL);
|
|
|
|
if (csid != 0)
|
|
return EILSEQ;
|
|
*wc = (wchar_t)idx;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_UTF7_stdenc_get_state_desc_generic(_UTF7EncodingInfo * __restrict ei,
|
|
_UTF7State * __restrict psenc,
|
|
int * __restrict rstate)
|
|
{
|
|
|
|
if (psenc->chlen == 0)
|
|
*rstate = _STDENC_SDGEN_INITIAL;
|
|
else
|
|
*rstate = _STDENC_SDGEN_INCOMPLETE_CHAR;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
/*ARGSUSED*/
|
|
_citrus_UTF7_encoding_module_uninit(_UTF7EncodingInfo *ei)
|
|
{
|
|
/* ei seems to be unused */
|
|
}
|
|
|
|
static int
|
|
/*ARGSUSED*/
|
|
_citrus_UTF7_encoding_module_init(_UTF7EncodingInfo * __restrict ei,
|
|
const void * __restrict var, size_t lenvar)
|
|
{
|
|
const char *s;
|
|
|
|
_DIAGASSERT(ei != NULL);
|
|
/* var may be null */
|
|
|
|
memset(ei, 0, sizeof(*ei));
|
|
|
|
#define FILL(str, flag) \
|
|
do { \
|
|
for (s = str; *s != '\0'; s++) \
|
|
ei->cell[*s & 0x7f] |= flag; \
|
|
} while (/*CONSTCOND*/0)
|
|
|
|
FILL(base64, (s - base64) + 1);
|
|
FILL(direct, EI_DIRECT);
|
|
FILL(option, EI_OPTION);
|
|
FILL(spaces, EI_SPACE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* public interface for ctype
|
|
*/
|
|
|
|
_CITRUS_CTYPE_DECLS(UTF7);
|
|
_CITRUS_CTYPE_DEF_OPS(UTF7);
|
|
|
|
#include "citrus_ctype_template.h"
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* public interface for stdenc
|
|
*/
|
|
|
|
_CITRUS_STDENC_DECLS(UTF7);
|
|
_CITRUS_STDENC_DEF_OPS(UTF7);
|
|
|
|
#include "citrus_stdenc_template.h"
|