writer.h
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writer.h
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	/* writer.h - internl definitions for the writer object.
	* Copyright (C) 2001 g10 Code GmbH
	*
	* This file is part of KSBA.
	*
	* KSBA 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; either version 2 of the License, or
	* (at your option) any later version.
	*
	* KSBA 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
	*/

	#ifndef WRITER_H
	#define WRITER_H 1

	#include <stdio.h>

	enum writer_type {
	WRITER_TYPE_NONE = 0,
	WRITER_TYPE_FD,
	WRITER_TYPE_FILE,
	WRITER_TYPE_CB,
	WRITER_TYPE_MEM
	};


	struct ksba_writer_s {
	int error;
	unsigned long nwritten;
	enum writer_type type;
	int ndef_is_open;

	gpg_error_t (filter)(void,
	const void ,size_t, size_t ,
	void , size_t, size_t );
	void *filter_arg;

	union {
	int fd; /* for WRITER_TYPE_FD */
	FILE file; / for WRITER_TYPE_FILE */
	struct {
	int (fnc)(void,const void *,size_t);
	void *value;
	} cb; /* for WRITER_TYPE_CB */
	struct {
	unsigned char *buffer;
	size_t size;
	} mem; /* for WRITER_TYPE_MEM */
	} u;
	};




	#endif /WRITER_H/