usr/src/cmd/cmd-inet/common/tftpcommon.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _TFTPCOMMON_H
  28 #define _TFTPCOMMON_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * Defines and function declarations common to tftp and in.tftpd.
  34  */
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #include <arpa/tftp.h>
  41
  42 #define MIN_BLKSIZE     8                       /* RFC 2348 */
  43 #define MAX_BLKSIZE     65464                   /* RFC 2348 */
  44 #define MIN_TIMEOUT     1                       /* RFC 2349 */
  45 #define MAX_TIMEOUT     255                     /* RFC 2349 */
  46 #define PKTSIZE         (MAX_BLKSIZE + 4)       /* DATA packet max size */
  47 #define MAX_OPTVAL_LEN  32                      /* Option value max length */
  48
  49 /* Format when printing an off_t */
  50 #define OFF_T_FMT       "%lld"
  51
  52 typedef union {
  53         struct tftphdr  tb_hdr;
  54         char            tb_data[PKTSIZE];
  55 } tftpbuf;
  56
  57 struct errmsg {
  58         int     e_code;
  59         char    *e_msg;
  60 };
  61 extern struct errmsg    errmsgs[];
  62
  63 /* Declarations for shared functions in tftpsubs.c */
  64 extern struct tftphdr   *w_init(void);
  65 extern struct tftphdr   *r_init(void);
  66 extern int              readit(FILE *, struct tftphdr **, int);
  67 extern void             read_ahead(FILE *, int);
  68 extern int              writeit(FILE *, struct tftphdr **, int, int);
  69 extern int              write_behind(FILE *, int);
  70 extern int              synchnet(int);
  71 extern char             *next_field(const char *, const char *);
  72 extern void             print_options(FILE *, char *, int);
  73 extern void             cancel_alarm(void);
  74
  75 #ifdef __cplusplus
  76 }
  77 #endif
  78
  79 #endif /* _TFTPCOMMON_H */