/** BEGIN COPYRIGHT BLOCK
 * This Program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; version 2 of the License.
 * 
 * This Program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA.
 * 
 * In addition, as a special exception, Red Hat, Inc. gives You the additional
 * right to link the code of this Program with code not covered under the GNU
 * General Public License ("Non-GPL Code") and to distribute linked combinations
 * including the two, subject to the limitations in this paragraph. Non-GPL Code
 * permitted under this exception must only link to the code of this Program
 * through those well defined interfaces identified in the file named EXCEPTION
 * found in the source code files (the "Approved Interfaces"). The files of
 * Non-GPL Code may instantiate templates or use macros or inline functions from
 * the Approved Interfaces without causing the resulting work to be covered by
 * the GNU General Public License. Only Red Hat, Inc. may make changes or
 * additions to the list of Approved Interfaces. You must obey the GNU General
 * Public License in all respects for all of the Program code and other code used
 * in conjunction with the Program except the Non-GPL Code covered by this
 * exception. If you modify this file, you may extend this exception to your
 * version of the file, but you are not obligated to do so. If you do not wish to
 * provide this exception without modification, you must delete this exception
 * statement from your version and license this file solely under the GPL without
 * exception. 
 * 
 * 
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
 * END COPYRIGHT BLOCK **/
/*
 * Copyright (c) 1996 Regents of the University of Michigan.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of Michigan at Ann Arbor. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 */

#ifndef _LDIF_H
#define _LDIF_H

#ifdef __cplusplus
extern "C" {
#endif

#define LDIF_VERSION_ONE        1	/* LDIF standard version */

#define LDIF_MAX_LINE_WIDTH      76      /* maximum length of LDIF lines */

/*
 * Macro to calculate maximum number of bytes that the base64 equivalent
 * of an item that is "vlen" bytes long will take up.  Base64 encoding
 * uses one byte for every six bits in the value plus up to two pad bytes.
 */
#define LDIF_BASE64_LEN(vlen)	(((vlen) * 4 / 3 ) + 3)

/*
 * Macro to calculate maximum size that an LDIF-encoded type (length
 * tlen) and value (length vlen) will take up:  room for type + ":: " +
 * first newline + base64 value + continued lines.  Each continued line
 * needs room for a newline and a leading space character.
 */
#define LDIF_SIZE_NEEDED(tlen,vlen) \
    ((tlen) + 4 + LDIF_BASE64_LEN(vlen) \
    + ((LDIF_BASE64_LEN(vlen) + tlen + 3) / LDIF_MAX_LINE_WIDTH * 2 ))

/*
 * Options for ldif_put_type_and_value_with_options() and 
 * ldif_type_and_value_with_options().
 */
#define LDIF_OPT_NOWRAP			0x01UL
#define LDIF_OPT_VALUE_IS_URL		0x02UL
#define LDIF_OPT_MINIMAL_ENCODING	0x04UL

int ldif_parse_line( char *line, char **type, char **value, int *vlen, char **errcode);
char * ldif_getline( char **next );
void ldif_put_type_and_value( char **out, char *t, char *val, int vlen );
void ldif_put_type_and_value_nowrap( char **out, char *t, char *val, int vlen );
void ldif_put_type_and_value_with_options( char **out, char *t, char *val,
	int vlen, unsigned long options );
char *ldif_type_and_value( char *type, char *val, int vlen );
char *ldif_type_and_value_nowrap( char *type, char *val, int vlen );
char *ldif_type_and_value_with_options( char *type, char *val, int vlen,
	unsigned long options );
int ldif_base64_decode( char *src, unsigned char *dst );
int ldif_base64_encode( unsigned char *src, char *dst, int srclen,
	int lenused );
int ldif_base64_encode_nowrap( unsigned char *src, char *dst, int srclen,
	int lenused );
char *ldif_get_entry( FILE *fp, int *lineno );


#ifdef __cplusplus
}
#endif

#endif /* _LDIF_H */