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832a94844f
* config.h.in: Regenerate.
* configure: Regenerate.
* rlmbutil.h: Disable multi-byte if mbrtowc is not defined.
110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
/* rlmbutil.h -- utility functions for multibyte characters. */
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library, a library for
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reading lines of text with interactive input and history editing.
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The GNU Readline Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2, or
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(at your option) any later version.
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The GNU Readline Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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The GNU General Public License is often shipped with GNU software, and
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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#if !defined (_RL_MBUTIL_H_)
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#define _RL_MBUTIL_H_
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#include "rlstdc.h"
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/************************************************/
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/* check multibyte capability for I18N code */
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/************************************************/
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/* For platforms which support the ISO C amendement 1 functionality we
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support user defined character classes. */
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/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
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#if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H)
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# include <wchar.h>
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# include <wctype.h>
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# if defined (HAVE_MBRTOWC) && defined (HAVE_MBSRTOWCS)
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/* system is supposed to support XPG5 */
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# define HANDLE_MULTIBYTE 1
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# endif
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#endif
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/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t. */
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#if HANDLE_MULTIBYTE && !defined (HAVE_MBSTATE_T)
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# define wcsrtombs(dest, src, len, ps) (wcsrtombs) (dest, src, len, 0)
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# define mbsrtowcs(dest, src, len, ps) (mbsrtowcs) (dest, src, len, 0)
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# define wcrtomb(s, wc, ps) (wcrtomb) (s, wc, 0)
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# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
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# define mbrlen(s, n, ps) (mbrlen) (s, n, 0)
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# define mbstate_t int
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#endif
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/* Make sure MB_LEN_MAX is at least 16 on systems that claim to be able to
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handle multibyte chars (some systems define MB_LEN_MAX as 1) */
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#ifdef HANDLE_MULTIBYTE
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# include <limits.h>
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# if defined(MB_LEN_MAX) && (MB_LEN_MAX < 16)
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# undef MB_LEN_MAX
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# endif
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# if !defined (MB_LEN_MAX)
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# define MB_LEN_MAX 16
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# endif
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#endif
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/************************************************/
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/* end of multibyte capability checks for I18N */
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/************************************************/
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/*
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* Flags for _rl_find_prev_mbchar and _rl_find_next_mbchar:
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*
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* MB_FIND_ANY find any multibyte character
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* MB_FIND_NONZERO find a non-zero-width multibyte character
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*/
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#define MB_FIND_ANY 0x00
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#define MB_FIND_NONZERO 0x01
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extern int _rl_find_prev_mbchar PARAMS((char *, int, int));
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extern int _rl_find_next_mbchar PARAMS((char *, int, int, int));
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#ifdef HANDLE_MULTIBYTE
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extern int _rl_compare_chars PARAMS((char *, int, mbstate_t *, char *, int, mbstate_t *));
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extern int _rl_get_char_len PARAMS((char *, mbstate_t *));
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extern int _rl_adjust_point PARAMS((char *, int, mbstate_t *));
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extern int _rl_read_mbchar PARAMS((char *, int));
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extern int _rl_read_mbstring PARAMS((int, char *, int));
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extern int _rl_is_mbchar_matched PARAMS((char *, int, int, char *, int));
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#else /* !HANDLE_MULTIBYTE */
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#undef MB_LEN_MAX
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#undef MB_CUR_MAX
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#define MB_LEN_MAX 1
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#define MB_CUR_MAX 1
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#define _rl_find_prev_mbchar(b, i, f) (((i) == 0) ? (i) : ((i) - 1))
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#define _rl_find_next_mbchar(b, i1, i2, f) ((i1) + (i2))
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#endif /* !HANDLE_MULTIBYTE */
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extern int rl_byte_oriented;
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#endif /* _RL_MBUTIL_H_ */
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