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/* Copyright (C) 2001, 2006, 2009, 2010, 2012 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if defined (HANDLE_MULTIBYTE)
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/* Bit table of characters in the ISO C "basic character set". */
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const unsigned int is_basic_table [UCHAR_MAX / 32 + 1] =
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0x00001a00, /* '\t' '\v' '\f' */
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0xffffffef, /* ' '...'#' '%'...'?' */
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0xfffffffe, /* 'A'...'Z' '[' '\\' ']' '^' '_' */
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0x7ffffffe /* 'a'...'z' '{' '|' '}' '~' */
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/* The remaining bits are 0. */
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#endif /* IS_BASIC_ASCII */
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mbstate_t mbs = { 0 }, mbsbak = { 0 };
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while (*s && (clen = (f = is_basic (*s)) ? 1 : mbrlen(s, MB_CUR_MAX, &mbs)) != 0)
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if (MB_INVALIDCH(clen))
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clen = 1; /* assume single byte */
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/* Return pointer to first multibyte char in S, or NULL if none. */
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mbstate_t mbs = { 0 };
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for (t = (char *)s; *t; t++)
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clen = mbrlen (t, MB_CUR_MAX, &mbs);
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if (MB_INVALIDCH(clen))
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sh_mbsnlen(src, srclen, maxlen)
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for (sind = count = 0; src[sind]; )
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count++; /* number of multibyte characters */
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ADVANCE_CHAR (src, srclen, sind);