56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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* Copyright (c) 2011, 2012
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* Zhihao Yuan. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#ifdef USE_ICONV
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#include <iconv.h>
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#ifdef ICONV_TRADITIONAL
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typedef char ** iconv_src_t;
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#else
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typedef char const ** iconv_src_t;
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#endif
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#else
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typedef int iconv_t;
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#endif
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/*
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* XXX
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* We can not use MB_CUR_MAX here, since UTF-8 may report it as 6, but
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* a sequence longer than 4 is deprecated by RFC 3629.
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*/
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#define KEY_NEEDSWIDE(sp, ch) \
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(INTISWIDE(ch) && KEY_LEN(sp, ch) <= 4)
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#define KEY_COL(sp, ch) \
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(KEY_NEEDSWIDE(sp, ch) ? CHAR_WIDTH(sp, ch) : KEY_LEN(sp, ch))
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enum { IC_FE_CHAR2INT, IC_FE_INT2CHAR, IC_IE_CHAR2INT, IC_IE_TO_UTF16 };
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struct _conv_win {
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union {
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char *c;
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CHAR_T *wc;
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} bp1;
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size_t blen1;
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};
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typedef int (*char2wchar_t)
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(SCR *, const char *, ssize_t, struct _conv_win *, size_t *, CHAR_T **);
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typedef int (*wchar2char_t)
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(SCR *, const CHAR_T *, ssize_t, struct _conv_win *, size_t *, char **);
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struct _conv {
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char2wchar_t sys2int;
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wchar2char_t int2sys;
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char2wchar_t file2int;
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wchar2char_t int2file;
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char2wchar_t input2int;
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iconv_t id[IC_IE_TO_UTF16 + 1];
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};
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