yaz-iconv.h

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/* This file is part of the YAZ toolkit.
 * Copyright (C) Index Data.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Index Data nor the names of its contributors
 *       may be used to endorse or promote products derived from this
 *       software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef YAZ_ICONV_H
#define YAZ_ICONV_H
 
#include <stddef.h>
#include <yaz/yconfig.h>
 
YAZ_BEGIN_CDECL
 
typedef struct yaz_iconv_struct *yaz_iconv_t;
 
#define YAZ_ICONV_UNKNOWN 1
#define YAZ_ICONV_E2BIG 2
#define YAZ_ICONV_EILSEQ 3
#define YAZ_ICONV_EINVAL 4
 
YAZ_EXPORT yaz_iconv_t yaz_iconv_open(const char *tocode, const char *fromcode);
YAZ_EXPORT size_t yaz_iconv(yaz_iconv_t cd, char **inbuf, size_t *inbytesleft,
                            char **outbuf, size_t *outbytesleft);
YAZ_EXPORT int yaz_iconv_error(yaz_iconv_t cd);
 
YAZ_EXPORT int yaz_iconv_close(yaz_iconv_t cd);
 
YAZ_EXPORT int yaz_iconv_isbuiltin(yaz_iconv_t cd);
 
YAZ_EXPORT unsigned long yaz_read_UTF8_char(const unsigned char *inp,
                                            size_t inbytesleft,
                                            size_t *no_read,
                                            int *error);
 
YAZ_EXPORT size_t yaz_write_UTF8_char(unsigned long x,
                                      char **outbuf, size_t *outbytesleft,
                                      int *error);
 
/* ctype.h macros ASCII based. That do not depend on LANG, nor require
   unsigned int as argument */
#define yaz_isdigit(x) ((x) >= '0' && (x) <= '9')
#define yaz_isspace(x) strchr(" \f\r\n\t\v", x)
#define yaz_toupper(x) ((x) + ('A' - 'a'))
#define yaz_isupper(x) ((x) >= 'A' && (x) <= 'Z')
#define yaz_tolower(x) ((x) + ('a' - 'A'))
#define yaz_islower(x) ((x) >= 'a' && (x) <= 'z')
 
YAZ_EXPORT int yaz_utf8_check(const char *cstr);
 
YAZ_END_CDECL
 
#endif
/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */