/usr/include/libetpan/charconv.h is in libetpan-dev 1.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* libEtPan! -- a mail stuff library
*
* Copyright (C) 2001, 2005 - DINH Viet Hoa
* All rights reserved.
*
* 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. Neither the name of the libEtPan! project 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 AUTHORS 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 AUTHORS OR 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.
*/
/*
* $Id: charconv.h,v 1.13 2006/06/16 09:25:23 smarinier Exp $
*/
#ifndef CHARCONV_H
#define CHARCONV_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#ifndef LIBETPAN_CONFIG_H
# include <libetpan/libetpan-config.h>
#endif
enum {
MAIL_CHARCONV_NO_ERROR = 0,
MAIL_CHARCONV_ERROR_UNKNOWN_CHARSET,
MAIL_CHARCONV_ERROR_MEMORY,
MAIL_CHARCONV_ERROR_CONV
};
/**
* define your own conversion.
* - result is big enough to contain your converted string
* - result_len contain the maximum size available (out value must contain the final converted size)
* - your conversion return an error code based on upper enum values
*/
LIBETPAN_EXPORT
extern int (*extended_charconv)(const char * tocode, const char * fromcode, const char * str, size_t length,
char * result, size_t* result_len);
LIBETPAN_EXPORT
int charconv(const char * tocode, const char * fromcode,
const char * str, size_t length,
char ** result);
LIBETPAN_EXPORT
int charconv_buffer(const char * tocode, const char * fromcode,
const char * str, size_t length,
char ** result, size_t * result_len);
LIBETPAN_EXPORT
void charconv_buffer_free(char * str);
#ifdef __cplusplus
}
#endif
#endif
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