84d9c625bf
- Fix for possible unset uid/gid in toproto - Fix for default mtree style - Update libelf - Importing libexecinfo - Resynchronize GCC, mpc, gmp, mpfr - build.sh: Replace params with show-params. This has been done as the make target has been renamed in the same way, while a new target named params has been added. This new target generates a file containing all the parameters, instead of printing it on the console. - Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org) get getservbyport() out of the inner loop Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
229 lines
5.1 KiB
C
229 lines
5.1 KiB
C
/* $NetBSD: citrus_ctype_fallback.c,v 1.3 2013/05/28 16:57:56 joerg Exp $ */
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/*-
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* Copyright (c)2003 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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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: citrus_ctype_fallback.c,v 1.3 2013/05/28 16:57:56 joerg Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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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 <wchar.h>
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#include <stdio.h>
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#include <string.h>
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#include <limits.h>
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#include "citrus_module.h"
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#include "citrus_ctype.h"
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#include "citrus_ctype_fallback.h"
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/*
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* for ABI version >= 0x00000002
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*/
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int
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_citrus_ctype_btowc_fallback(_citrus_ctype_rec_t * __restrict cc,
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int c, wint_t * __restrict wcresult)
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{
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char mb;
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/*
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* what we need is _PRIVSIZE
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* and we know that it's smaller than sizeof(mbstate_t).
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*/
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char pspriv[sizeof(mbstate_t)];
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wchar_t wc;
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size_t nr;
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int err;
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_DIAGASSERT(cc != NULL && cc->cc_closure != NULL);
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if (c == EOF) {
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*wcresult = WEOF;
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return 0;
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}
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memset(&pspriv, 0, sizeof(pspriv));
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mb = (char)(unsigned)c;
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err = _citrus_ctype_mbrtowc(cc, &wc, &mb, 1, (void *)&pspriv, &nr);
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if (!err && (nr == 0 || nr == 1))
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*wcresult = wc;
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else
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*wcresult = WEOF;
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return 0;
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}
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int
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_citrus_ctype_wctob_fallback(_citrus_ctype_rec_t * __restrict cc,
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wint_t wc, int * __restrict cresult)
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{
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/*
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* what we need is _PRIVSIZE
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* and we know that it's smaller than sizeof(mbstate_t).
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*/
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char pspriv[sizeof(mbstate_t)];
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char buf[MB_LEN_MAX];
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size_t nr;
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int err;
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_DIAGASSERT(cc != NULL && cc->cc_closure != NULL);
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if (wc == WEOF) {
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*cresult = EOF;
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return 0;
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}
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memset(&pspriv, 0, sizeof(pspriv));
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err = _citrus_ctype_wcrtomb(cc, buf, (wchar_t)wc, (void *)&pspriv, &nr);
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if (!err && nr == 1)
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*cresult = buf[0];
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else
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*cresult = EOF;
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return 0;
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}
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/*
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* for ABI version >= 0x00000003
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*/
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int
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_citrus_ctype_mbsnrtowcs_fallback(_citrus_ctype_rec_t * __restrict cc,
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wchar_t * __restrict pwcs, const char ** __restrict s, size_t in,
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size_t n, void * __restrict psenc, size_t * __restrict nresult)
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{
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int err;
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size_t cnt, siz;
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const char *s0, *se;
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_DIAGASSERT(nresult != 0);
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_DIAGASSERT(psenc != NULL);
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_DIAGASSERT(s != NULL);
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_DIAGASSERT(*s != NULL);
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/* if pwcs is NULL, ignore n */
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if (pwcs == NULL)
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n = 1; /* arbitrary >0 value */
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err = 0;
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cnt = 0;
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se = *s + in;
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s0 = *s; /* to keep *s unchanged for now, use copy instead. */
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while (s0 < se && n > 0) {
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err = _citrus_ctype_mbrtowc(cc, pwcs, s0, (size_t)(se - s0),
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psenc, &siz);
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if (err) {
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cnt = (size_t)-1;
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goto bye;
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}
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if (siz == (size_t)-2) {
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s0 = se;
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goto bye;
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}
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switch (siz) {
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case 0:
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if (pwcs) {
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size_t dum;
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_citrus_ctype_mbrtowc(cc, NULL, NULL, 0, psenc,
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&dum);
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}
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s0 = 0;
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goto bye;
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default:
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if (pwcs) {
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pwcs++;
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n--;
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}
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s0 += siz;
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cnt++;
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break;
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}
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}
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bye:
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if (pwcs)
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*s = s0;
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*nresult = cnt;
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return err;
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}
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int
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_citrus_ctype_wcsnrtombs_fallback(_citrus_ctype_rec_t * __restrict cc,
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char * __restrict s, const wchar_t ** __restrict pwcs, size_t in,
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size_t n, void * __restrict psenc, size_t * __restrict nresult)
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{
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size_t cnt = 0;
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int err;
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char buf[MB_LEN_MAX];
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size_t siz;
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const wchar_t* pwcs0;
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mbstate_t state;
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pwcs0 = *pwcs;
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if (!s)
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n = 1;
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while (in > 0 && n > 0) {
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memcpy(&state, psenc, sizeof(state));
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err = _citrus_ctype_wcrtomb(cc, buf, *pwcs0, psenc, &siz);
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if (siz == (size_t)-1) {
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*nresult = siz;
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return (err);
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}
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if (s) {
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if (n < siz) {
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memcpy(psenc, &state, sizeof(state));
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break;
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}
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memcpy(s, buf, siz);
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s += siz;
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n -= siz;
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}
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cnt += siz;
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if (!*pwcs0) {
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if (s) {
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memset(psenc, 0, sizeof(state));
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}
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pwcs0 = 0;
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cnt--; /* don't include terminating null */
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break;
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}
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pwcs0++;
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--in;
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}
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if (s)
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*pwcs = pwcs0;
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*nresult = cnt;
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return (0);
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}
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