genericopenlibs/cstdlib/LINCARPA/TFTP.H
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 02:01:42 +0200
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/* TFTP.H
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 * 
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 * Portions Copyright (c) 1993-1999 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 */
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/** @file
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@publishedAll
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@released
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*/
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/*
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 * Copyright (c) 1983, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *	This product includes software developed by the University of
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 *	California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
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 */
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#ifndef _ARPA_TFTP_H_
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#define	_ARPA_TFTP_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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Trivial File Transfer Protocol (IEN-133)
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*/
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#define	SEGSIZE		512		/* data segment size */
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/**
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Packet types.
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*/
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#define	RRQ	01			/* read request */
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#define	WRQ	02			/* write request */
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#define	DATA	03			/* data packet */
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#define	ACK	04			/* acknowledgement */
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#define	ERROR	05			/* error code */
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struct	tftphdr {
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	short	th_opcode;		/* packet type */
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	union {
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		short	tu_block;	/* block # */
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		short	tu_code;	/* error code */
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		char	tu_stuff[1];	/* request packet stuff */
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	} th_u;
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	char	th_data[1];		/* data or error string */
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};
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#define	th_block	th_u.tu_block
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#define	th_code		th_u.tu_code
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#define	th_stuff	th_u.tu_stuff
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#define	th_msg		th_data
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/**
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Error codes.
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*/
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#define	EUNDEF		0		/* not defined */
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#define	ENOTFOUND	1		/* file not found */
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#define	EACCESS		2		/* access violation */
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#define	ENOSPACE	3		/* disk full or allocation exceeded */
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#define	EBADOP		4		/* illegal TFTP operation */
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#define	EBADID		5		/* unknown transfer ID */
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#define	EEXISTS		6		/* file already exists */
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#define	ENOUSER		7		/* no such user */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_TFTP_H_ */