1 /* Copyright (C) 2004-2008 by George Williams */
2 /*
3  * Redistribution and use in source and binary forms, with or without
4  * modification, are permitted provided that the following conditions are met:
5 
6  * Redistributions of source code must retain the above copyright notice, this
7  * list of conditions and the following disclaimer.
8 
9  * Redistributions in binary form must reproduce the above copyright notice,
10  * this list of conditions and the following disclaimer in the documentation
11  * and/or other materials provided with the distribution.
12 
13  * The name of the author may not be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15 
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 #ifndef _GWWICONV_H
28 #define _GWWICONV_H
29 
30 # ifndef HAVE_ICONV_H
31 #  define __need_size_t
32 #  include <stdlib.h>		/* For size_t */
33 
34 typedef void *gww_iconv_t;
35 
36 extern gww_iconv_t gww_iconv_open(const char *toenc,const char *fromenc);
37 extern void gww_iconv_close( gww_iconv_t cd);
38 extern size_t gww_iconv( gww_iconv_t cd,
39 	char **inbuf, size_t *inlen,
40 	char **outbuf, size_t *outlen);
41 
42 #define iconv_t		gww_iconv_t
43 #define iconv_open	gww_iconv_open
44 #define iconv_close	gww_iconv_close
45 #define iconv		gww_iconv
46 
47 #  define iconv_arg2_t	char **
48 # else		/* HAVE_ICONV_H */
49 #  include <iconv.h>
50 #  ifdef iconv			/* libiconv has a different calling convention */
51 #   define iconv_arg2_t	const char **
52 #  else
53 #  define iconv_arg2_t	char **
54 #  endif	/* iconv */
55 # endif		/* HAVE_ICONV_H */
56 #endif		/* _GWWICONV_H */
57