2016-03-25 00:58:57 +00:00
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/*
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JAMLIB - A JAM subroutine library
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Copyright (C) 1999 Bj<EFBFBD>rn Stenberg
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Changes made by Johan Billing 2000-04-16:
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- Added #defines for JAM_NO_MESSAGE and JAM_CORRUPT_MSG
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- Added #ifndef linux around typedefs for uint16_t and uint32_t
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- Added prototype for JAM_AddEmptyMessage()
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Backported changes from JAMLIB 1.4.7 made by Johan Billing 2003-10-26
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- Added prototype for JAM_DeleteMessage()
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*/
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/***********************************************************************
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**
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** JAM Definitions
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**
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***********************************************************************/
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#ifndef __JAM_H__
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#define __JAM_H__
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <stdint.h>
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/*
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** Error codes
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*/
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#define JAM_BAD_PARAM 1 /* one or more parameters are wrong */
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#define JAM_IO_ERROR 2 /* i/o error. check JAM_Errno() for details */
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#define JAM_LOCK_FAILED 3 /* lock could not be set */
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#define JAM_NOT_LOCKED 4 /* the message base was not locked before writing */
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#define JAM_NO_MEMORY 5 /* out of memory! */
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#define JAM_NO_USER 6 /* user not found */
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#define JAM_NO_MESSAGE 7 /* message has been deleted */
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#define JAM_CORRUPT_MSG 8 /* message header is corrupt */
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/*
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** CRC definitions
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*/
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#define JAM_NO_CRC 0xffffffff
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/*
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** File extensions
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*/
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#define EXT_HDRFILE ".jhr"
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#define EXT_TXTFILE ".jdt"
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#define EXT_IDXFILE ".jdx"
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#define EXT_LRDFILE ".jlr"
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/*
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** Revision level and header signature
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*/
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#define CURRENTREVLEV 1
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#define HEADERSIGNATURE "JAM\0"
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/*
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** Header file information block, stored first in all .JHR files
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*/
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typedef struct {
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char Signature[4]; /* <J><A><M> followed by <NUL> */
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uint32_t DateCreated; /* Creation date */
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uint32_t ModCounter; /* Last processed counter */
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uint32_t ActiveMsgs; /* Number of active (not deleted) msgs */
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uint32_t PasswordCRC; /* CRC-32 of password to access */
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uint32_t BaseMsgNum; /* Lowest message number in index file */
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char RSRVD[1000]; /* Reserved space */
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} s_JamBaseHeader;
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/*
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** Message status bits
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*/
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2017-03-16 07:50:06 +00:00
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#define JAM_MSG_LOCAL 0x00000001L /* Msg created locally */
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#define JAM_MSG_INTRANSIT 0x00000002L /* Msg is in-transit */
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#define JAM_MSG_PRIVATE 0x00000004L /* Private */
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#define JAM_MSG_READ 0x00000008L /* Read by addressee */
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#define JAM_MSG_SENT 0x00000010L /* Sent to remote */
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#define JAM_MSG_KILLSENT 0x00000020L /* Kill when sent */
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#define JAM_MSG_ARCHIVESENT 0x00000040L /* Archive when sent */
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#define JAM_MSG_HOLD 0x00000080L /* Hold for pick-up */
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#define JAM_MSG_CRASH 0x00000100L /* Crash */
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#define JAM_MSG_IMMEDIATE 0x00000200L /* Send Msg now, ignore restrictions */
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#define JAM_MSG_DIRECT 0x00000400L /* Send directly to destination */
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#define JAM_MSG_GATE 0x00000800L /* Send via gateway */
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#define JAM_MSG_FILEREQUEST 0x00001000L /* File request */
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#define JAM_MSG_FILEATTACH 0x00002000L /* File(s) attached to Msg */
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#define JAM_MSG_TRUNCFILE 0x00004000L /* Truncate file(s) when sent */
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#define JAM_MSG_KILLFILE 0x00008000L /* Delete file(s) when sent */
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#define JAM_MSG_RECEIPTREQ 0x00010000L /* Return receipt requested */
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#define JAM_MSG_CONFIRMREQ 0x00020000L /* Confirmation receipt requested */
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#define JAM_MSG_ORPHAN 0x00040000L /* Unknown destination */
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#define JAM_MSG_ENCRYPT 0x00080000L /* Msg text is encrypted */
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#define JAM_MSG_COMPRESS 0x00100000L /* Msg text is compressed */
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#define JAM_MSG_ESCAPED 0x00200000L /* Msg text is seven bit ASCII */
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#define JAM_MSG_FPU 0x00400000L /* Force pickup */
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#define JAM_MSG_TYPELOCAL 0x00800000L /* Msg is for local use only (no export) */
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#define JAM_MSG_TYPEECHO 0x01000000L /* Msg is for conference distribution */
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#define JAM_MSG_TYPENET 0x02000000L /* Msg is direct network mail */
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#define JAM_MSG_NODISP 0x20000000L /* Msg may not be displayed to user */
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#define JAM_MSG_LOCKED 0x40000000L /* Msg is locked, no editing possible */
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#define JAM_MSG_DELETED 0x80000000L /* Msg is deleted */
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2016-03-25 00:58:57 +00:00
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/*
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** Message header
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*/
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typedef struct {
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char Signature[4]; /* <J><A><M> followed by <NUL> */
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uint16_t Revision; /* CURRENTREVLEV */
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uint16_t ReservedWord; /* Reserved */
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uint32_t SubfieldLen; /* Length of Subfields */
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uint32_t TimesRead; /* Number of times message read */
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uint32_t MsgIdCRC; /* CRC-32 of MSGID line */
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uint32_t ReplyCRC; /* CRC-32 of REPLY line */
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uint32_t ReplyTo; /* This msg is a reply to.. */
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uint32_t Reply1st; /* First reply to this msg */
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uint32_t ReplyNext; /* Next msg in reply chain */
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uint32_t DateWritten; /* When msg was written */
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uint32_t DateReceived; /* When msg was received/read */
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uint32_t DateProcessed; /* When msg was processed by packer */
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uint32_t MsgNum; /* Message number (1-based) */
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uint32_t Attribute; /* Msg attribute, see "Status bits" */
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uint32_t Attribute2; /* Reserved for future use */
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uint32_t TxtOffset; /* Offset of text in text file */
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uint32_t TxtLen; /* Length of message text */
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uint32_t PasswordCRC; /* CRC-32 of password to access msg */
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uint32_t Cost; /* Cost of message */
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} s_JamMsgHeader;
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/*
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** Message header Subfield types
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*/
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#define JAMSFLD_OADDRESS 0
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#define JAMSFLD_DADDRESS 1
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#define JAMSFLD_SENDERNAME 2
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#define JAMSFLD_RECVRNAME 3
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#define JAMSFLD_MSGID 4
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#define JAMSFLD_REPLYID 5
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#define JAMSFLD_SUBJECT 6
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#define JAMSFLD_PID 7
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#define JAMSFLD_TRACE 8
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#define JAMSFLD_ENCLFILE 9
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#define JAMSFLD_ENCLFWALIAS 10
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#define JAMSFLD_ENCLFREQ 11
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#define JAMSFLD_ENCLFILEWC 12
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#define JAMSFLD_ENCLINDFILE 13
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#define JAMSFLD_EMBINDAT 1000
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#define JAMSFLD_FTSKLUDGE 2000
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#define JAMSFLD_SEENBY2D 2001
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#define JAMSFLD_PATH2D 2002
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#define JAMSFLD_FLAGS 2003
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#define JAMSFLD_TZUTCINFO 2004
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#define JAMSFLD_UNKNOWN 0xffff
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/*
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** Message header Subfield
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*/
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typedef struct {
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uint16_t LoID; /* Field ID, 0 - 0xffff */
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uint16_t HiID; /* Reserved for future use */
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uint32_t DatLen; /* Length of buffer that follows */
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char* Buffer; /* DatLen bytes of data */
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} s_JamSubfield;
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typedef struct {
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uint16_t LoID; /* Field ID, 0 - 0xffff */
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uint16_t HiID; /* Reserved for future use */
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uint32_t DatLen; /* Length of buffer that follows */
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} s_JamSaveSubfield;
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/*
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** Message index record
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*/
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typedef struct {
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uint32_t UserCRC; /* CRC-32 of destination username */
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uint32_t HdrOffset; /* Offset of header in .JHR file */
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} s_JamIndex;
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/*
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** Lastread structure, one per user
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*/
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typedef struct {
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uint32_t UserCRC; /* CRC-32 of user name (lowercase) */
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uint32_t UserID; /* Unique UserID */
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uint32_t LastReadMsg; /* Last read message number */
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uint32_t HighReadMsg; /* Highest read message number */
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} s_JamLastRead;
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/*
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** JAMLIB message base handle
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*/
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typedef struct {
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FILE* HdrFile_PS; /* File handle for .JHR file */
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FILE* TxtFile_PS; /* File handle for .JDT file */
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FILE* IdxFile_PS; /* File handle for .JDX file */
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FILE* LrdFile_PS; /* File handle for .JLR file */
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int Errno_I; /* last i/o error */
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int Locked_I; /* is area locked? */
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uint32_t LastUserPos_I; /* last position of lastread record */
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uint32_t LastUserId_I; /* userid for the last read lastread record */
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} s_JamBase;
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/*
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** JAMLIB subfield packet
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*/
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typedef struct {
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s_JamSubfield** Fields;
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uint32_t NumFields;
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uint32_t NumAlloc;
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} s_JamSubPacket;
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/*
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** JAMLIB function declarations
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*/
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/* mbase.c */
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int JAM_OpenMB ( char* Basename_PC,
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s_JamBase** NewArea_PPS );
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int JAM_CloseMB ( s_JamBase* Area_PS );
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int JAM_CreateMB ( char* Basename_PC,
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uint32_t BaseMsg_I,
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s_JamBase** NewArea_PPS );
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int JAM_RemoveMB ( s_JamBase* Area_PS,
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char* Basename_PC );
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int JAM_LockMB ( s_JamBase* Area_PS,
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int Timeout_I );
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int JAM_UnlockMB ( s_JamBase* Area_PS );
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int JAM_ReadMBHeader ( s_JamBase* Area_PS,
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s_JamBaseHeader* Header_PS );
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int JAM_WriteMBHeader ( s_JamBase* Area_PS,
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s_JamBaseHeader* Header_PS );
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int JAM_FindUser ( s_JamBase* Area_PS,
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uint32_t UserCrc_I,
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uint32_t StartMsg_I,
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uint32_t* MsgNo_PI );
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int JAM_GetMBSize ( s_JamBase* Area_PS,
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uint32_t* Messages_PI );
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/* message.c */
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int JAM_ReadMsgHeader ( s_JamBase* Area_PS,
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uint32_t MsgNo_I,
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s_JamMsgHeader* Header_PS,
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s_JamSubPacket** SubfieldPack_PPS );
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int JAM_ReadMsgText ( s_JamBase* Area_PS,
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uint32_t Offset_I,
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uint32_t Length_I,
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char* Buffer_PC );
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int JAM_AddMessage ( s_JamBase* Area_PS,
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s_JamMsgHeader* Header_PS,
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s_JamSubPacket* SubPack_PS,
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char* Text_PC,
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uint32_t TextLen_I );
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int JAM_AddEmptyMessage ( s_JamBase* Area_PS );
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int JAM_DeleteMessage ( s_JamBase* Base_PS,
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uint32_t MsgNo_I );
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int JAM_ChangeMsgHeader ( s_JamBase* Area_PS,
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uint32_t MsgNo_I,
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s_JamMsgHeader* Header_PS );
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int JAM_ClearMsgHeader ( s_JamMsgHeader* Header_PS );
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int JAM_Errno ( s_JamBase* Area_PS );
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/* lastread.c */
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int JAM_ReadLastRead ( s_JamBase* Area_PS,
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uint32_t User_I,
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s_JamLastRead* Record_PS );
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int JAM_WriteLastRead ( s_JamBase* Area_PS,
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uint32_t User_I,
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s_JamLastRead* Record_PS );
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/* subpacket.c */
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s_JamSubPacket* JAM_NewSubPacket ( void );
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int JAM_DelSubPacket ( s_JamSubPacket* SubPack_PS );
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s_JamSubfield* JAM_GetSubfield ( s_JamSubPacket* SubPack_PS );
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s_JamSubfield* JAM_GetSubfield_R ( s_JamSubPacket* SubPack_PS ,
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uint32_t* Count_PI);
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int JAM_PutSubfield ( s_JamSubPacket* SubPack_PS,
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s_JamSubfield* Field_PS );
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/* crc32.c */
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uint32_t JAM_Crc32 ( char* Buffer_PC, uint32_t Length_I );
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#endif
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