464 lines
7.0 KiB
C
464 lines
7.0 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Global message base functions
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*
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*****************************************************************************
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* Copyright (C) 1997-2003
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*****************************************************************************/
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#include "../config.h"
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#include "libs.h"
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#include "msgtext.h"
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#include "msg.h"
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#include "clcomm.h"
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#include "structs.h"
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#include "common.h"
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#include "jammsg.h"
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char *strlwr (char *s)
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{
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char *p = s;
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while (*p != '\0') {
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*p = (char)tolower (*p);
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p++;
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}
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return (s);
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}
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char *strupr (char *s)
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{
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char *p = s;
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while (*p != '\0') {
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*p = (char)toupper (*p);
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p++;
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}
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return (s);
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}
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long filelength(int fd)
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{
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long retval = -1L;
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struct stat buf;
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if (fd != -1) {
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fstat(fd, &buf);
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retval = buf.st_size;
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}
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return (retval);
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}
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long tell(int fd)
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{
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long retval = -1L;
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if (fd != -1)
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retval = lseek(fd, 0L, SEEK_CUR);
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return retval;
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}
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/*
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* Add a message
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*/
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int Msg_AddMsg()
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{
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if (!MsgBase.Locked)
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return FALSE;
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return JAM_AddMsg();
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}
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/*
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* Close current message base
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*/
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void Msg_Close(void)
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{
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if (MsgBase.Locked)
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Msg_UnLock();
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JAM_Close();
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MsgText_Clear();
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MsgBase.Open = FALSE;
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}
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/*
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* Delete message number
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*/
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int Msg_Delete(unsigned long ulMsg)
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{
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if (!MsgBase.Locked)
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return FALSE;
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return JAM_Delete(ulMsg);
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}
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/*
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* Delete message base
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*/
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void Msg_DeleteMsgBase(char *Base)
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{
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JAM_DeleteJAM(Base);
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}
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int Msg_GetLastRead(lastread *LR)
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{
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return JAM_GetLastRead(LR);
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}
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/*
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* Get highest message number
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*/
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unsigned long Msg_Highest(void)
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{
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return MsgBase.Highest = JAM_Highest();
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}
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int Msg_Lock(unsigned long ulTimeout)
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{
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return MsgBase.Locked = JAM_Lock(ulTimeout);
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}
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/*
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* Get lowest message number
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*/
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unsigned long Msg_Lowest(void)
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{
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return MsgBase.Lowest = JAM_Lowest();
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}
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void Msg_New(void)
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{
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JAM_New();
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}
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int Msg_NewLastRead(lastread LR)
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{
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return JAM_NewLastRead(LR);
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}
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int Msg_Next(unsigned long * ulMsg)
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{
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return JAM_Next(ulMsg);
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}
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/*
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* Return number of messages
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*/
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unsigned long Msg_Number(void)
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{
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return MsgBase.Total = JAM_Number();
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}
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/*
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* Open specified message base
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*/
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int Msg_Open(char *Base)
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{
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int RetVal = FALSE;
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if (MsgBase.Open) {
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if (strcmp(MsgBase.Path, Base) != 0)
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Msg_Close();
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else
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return TRUE;
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}
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RetVal = JAM_Open(Base);
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MsgBase.Open = RetVal;
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strcpy(MsgBase.Path, Base);
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return RetVal;
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}
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/*
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* Pack deleted messages from the message base.
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*/
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void Msg_Pack(void)
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{
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if (!MsgBase.Locked)
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return;
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JAM_Pack();
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}
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int Msg_Previous (unsigned long * ulMsg)
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{
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return JAM_Previous(ulMsg);
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}
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int Msg_ReadHeader (unsigned long ulMsg)
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{
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return JAM_ReadHeader(ulMsg);
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}
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/*
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* Read message
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*/
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int Msg_Read(unsigned long ulMsg, int nWidth)
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{
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return JAM_Read(ulMsg, nWidth);
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}
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int Msg_SetLastRead(lastread LR)
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{
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if (!MsgBase.Locked)
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return FALSE;
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return JAM_SetLastRead(LR);
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}
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/*
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* Unlock the message base
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*/
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void Msg_UnLock(void)
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{
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JAM_UnLock();
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MsgBase.Locked = FALSE;
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}
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/*
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* Write message header
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*/
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int Msg_WriteHeader (unsigned long ulMsg)
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{
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if (!MsgBase.Locked)
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return FALSE;
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return JAM_WriteHeader(ulMsg);
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}
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/*
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* Write messagetext from file, strip linefeeds.
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*/
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void Msg_Write(FILE *fp)
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{
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char *Buf;
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int i;
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Buf = calloc(MAX_LINE_LENGTH +1, sizeof(char));
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while ((fgets(Buf, MAX_LINE_LENGTH, fp)) != NULL) {
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for (i = 0; i < strlen(Buf); i++) {
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if (*(Buf + i) == '\0')
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break;
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if (*(Buf + i) == '\n')
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*(Buf + i) = '\0';
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if (*(Buf + i) == '\r')
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*(Buf + i) = '\0';
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}
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MsgText_Add2(Buf);
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}
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free(Buf);
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}
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typedef struct {
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unsigned long Subject;
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unsigned long Number;
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} MSGLINK;
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/*
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* Link messages in one area.
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* Returns -1 if error, else the number of linked messages.
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*/
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int Msg_Link(char *Path, int do_quiet, int slow_util)
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{
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int i, m, msg_link = 0;
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unsigned long Number, Prev, Next, Crc, Total;
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char Temp[128], *p;
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MSGLINK *Link;
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if (! Msg_Open(Path)) {
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return -1;
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}
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if (!do_quiet) {
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colour(12, 0);
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printf(" (linking)");
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colour(13, 0);
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fflush(stdout);
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}
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if ((Total = Msg_Number()) != 0L) {
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if (Msg_Lock(30L)) {
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if ((Link = (MSGLINK *)malloc((Total + 1) * sizeof(MSGLINK))) != NULL) {
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memset(Link, 0, (Total + 1) * sizeof(MSGLINK));
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Number = Msg_Lowest();
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i = 0;
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do {
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Msg_ReadHeader(Number);
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strcpy(Temp, Msg.Subject);
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p = strupr(Temp);
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if (!strncmp(p, "RE:", 3)) {
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p += 3;
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if (*p == ' ')
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p++;
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}
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Link[i].Subject = StringCRC32(p);
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Link[i].Number = Number;
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i++;
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if (slow_util && do_quiet && ((i % 5) == 0))
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msleep(1);
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if (((i % 10) == 0) && (!do_quiet)) {
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printf("%6d / %6lu\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", i, Total);
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fflush(stdout);
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}
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} while(Msg_Next(&Number) == TRUE);
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if (!do_quiet) {
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printf("%6d / %6lu\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", i, Total);
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fflush(stdout);
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}
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Number = Msg_Lowest();
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i = 0;
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do {
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Msg_ReadHeader(Number);
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Prev = Next = 0;
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Crc = Link[i].Subject;
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for (m = 0; m < Total; m++) {
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if (m == i)
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continue;
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if (Link[m].Subject == Crc) {
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if (m < i)
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Prev = Link[m].Number;
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else if (m > i) {
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Next = Link[m].Number;
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break;
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}
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}
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}
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if (slow_util && do_quiet && ((i % 5) == 0))
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msleep(1);
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if (((i % 10) == 0) && (!do_quiet)) {
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printf("%6d / %6lu\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", i, Total);
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fflush(stdout);
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}
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if (Msg.Original != Prev || Msg.Reply != Next) {
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Msg.Original = Prev;
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Msg.Reply = Next;
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Msg_WriteHeader(Number);
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msg_link++;
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}
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i++;
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} while(Msg_Next(&Number) == TRUE);
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if (!do_quiet) {
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printf("%6d / %6lu\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", i, Total);
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fflush(stdout);
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}
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free(Link);
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}
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if (!do_quiet) {
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printf(" \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
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fflush(stdout);
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}
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Msg_UnLock();
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} else {
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Syslog('+', "Can't lock %s", Path);
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return -1;
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}
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}
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Msg_Close();
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if (!do_quiet) {
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printf("\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b");
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fflush(stdout);
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}
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return msg_link;
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}
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