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/* Copyright 2010
* Kaz Kylheku <kkylheku@gmail.com>
* Vancouver, Canada
* All rights reserved.
*
* BSD License:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
size_t utf8_from_uc(wchar_t *, const unsigned char *);
size_t utf8_from(wchar_t *, const char *);
size_t utf8_to_uc(unsigned char *, const wchar_t *);
size_t utf8_to(char *, const wchar_t *);
wchar_t *utf8_dup_from_uc(const unsigned char *);
wchar_t *utf8_dup_from(const char *);
char *utf8_dup_to(const wchar_t *);
unsigned char *utf8_dup_to_uc(const wchar_t *);
enum utf8_state { utf8_init, utf8_more1, utf8_more2, utf8_more3 };
typedef struct utf8_decoder {
enum utf8_state state;
wchar_t wch;
int head, tail, back;
int buf[8];
} utf8_decoder_t;
int utf8_encode(wchar_t, int (*put)(int ch, mem_t *ctx), mem_t *ctx);
void utf8_decoder_init(utf8_decoder_t *);
wint_t utf8_decode(utf8_decoder_t *,int (*get)(mem_t *ctx), mem_t *ctx);
FILE *w_fopen(const wchar_t *, const wchar_t *);
FILE *w_popen(const wchar_t *, const wchar_t *);
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