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    1: #ifndef HEADER_CURL_SERVER_TFTP_H
    2: #define HEADER_CURL_SERVER_TFTP_H
    3: /***************************************************************************
    4:  *                                  _   _ ____  _
    5:  *  Project                     ___| | | |  _ \| |
    6:  *                             / __| | | | |_) | |
    7:  *                            | (__| |_| |  _ <| |___
    8:  *                             \___|\___/|_| \_\_____|
    9:  *
   10:  * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
   11:  *
   12:  * This software is licensed as described in the file COPYING, which
   13:  * you should have received as part of this distribution. The terms
   14:  * are also available at https://curl.haxx.se/docs/copyright.html.
   15:  *
   16:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   17:  * copies of the Software, and permit persons to whom the Software is
   18:  * furnished to do so, under the terms of the COPYING file.
   19:  *
   20:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   21:  * KIND, either express or implied.
   22:  *
   23:  ***************************************************************************/
   24: #include "server_setup.h"
   25: 
   26: /* This file is a rewrite/clone of the arpa/tftp.h file for systems without
   27:    it. */
   28: 
   29: #define SEGSIZE 512 /* data segment size */
   30: 
   31: #if defined(__GNUC__) && ((__GNUC__ >= 3) || \
   32:   ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
   33: #  define PACKED_STRUCT __attribute__((__packed__))
   34: #else
   35: #  define PACKED_STRUCT /*NOTHING*/
   36: #endif
   37: 
   38: /* Using a packed struct as binary in a program is begging for problems, but
   39:    the tftpd server was written like this so we have this struct here to make
   40:    things build. */
   41: 
   42: struct tftphdr {
   43:   short th_opcode;         /* packet type */
   44:   unsigned short th_block; /* all sorts of things */
   45:   char th_data[1];         /* data or error string */
   46: } PACKED_STRUCT;
   47: 
   48: #define th_stuff th_block
   49: #define th_code  th_block
   50: #define th_msg   th_data
   51: 
   52: #define EUNDEF    0
   53: #define ENOTFOUND 1
   54: #define EACCESS   2
   55: #define ENOSPACE  3
   56: #define EBADOP    4
   57: #define EBADID    5
   58: #define EEXISTS   6
   59: #define ENOUSER   7
   60: 
   61: #endif /* HEADER_CURL_SERVER_TFTP_H */