deb-mbse/lib/msg.c

/*****************************************************************************
 *
 * $Id$
 * Purpose ...............: Global message base functions
 *
 *****************************************************************************
 * Copyright (C) 1997-2002
 *   
 * Michiel Broek		FIDO:		2:280/2802
 * Beekmansbos 10
 * 1971 BV IJmuiden
 * the Netherlands
 *
 * This file is part of MBSE BBS.
 *
 * This BBS is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * MBSE BBS is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with MBSE BBS; see the file COPYING.  If not, write to the Free
 * Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *****************************************************************************/

#include "../config.h"
#include "libs.h"
#include "msgtext.h"
#include "msg.h"
#include "jammsg.h"



char *strlwr (char *s)
{
	char *p = s;

	while (*p != '\0') {
		*p = (char)tolower (*p);
		p++;
	}

	return (s);
}



char *strupr (char *s)
{
	char *p = s;

	while (*p != '\0') {
		*p = (char)toupper (*p);
		p++;
	}

	return (s);
}



long filelength(int fd)
{
	long		retval = -1L;
	struct stat	buf;

	if (fd != -1) {
		fstat(fd, &buf);
		retval = buf.st_size;
	}

	return (retval);
}



long tell(int fd)
{
	long	retval = -1L;

	if (fd != -1)
		retval = lseek(fd, 0L, SEEK_CUR);

	return retval;
}



/*
 * Add a message
 */
int Msg_AddMsg()
{
	if (!MsgBase.Locked)
		return FALSE;

	return JAM_AddMsg();
}



/*
 * Close current message base
 */
void Msg_Close(void)
{
	if (MsgBase.Locked)
		Msg_UnLock();

	JAM_Close();
	MsgText_Clear();
	MsgBase.Open = FALSE;
}



/*
 * Delete message number
 */
int Msg_Delete(unsigned long ulMsg)
{
	if (!MsgBase.Locked)
		return FALSE;
		
	return JAM_Delete(ulMsg);
}



/*
 * Delete message base
 */
void Msg_DeleteMsgBase(char *Base)
{
    JAM_DeleteJAM(Base);
}



int Msg_GetLastRead(lastread *LR)
{
	return JAM_GetLastRead(LR);
}



/*
 * Get highest message number
 */
unsigned long Msg_Highest(void)
{
	return MsgBase.Highest = JAM_Highest();
}



int Msg_Lock(unsigned long ulTimeout)
{
	return MsgBase.Locked = JAM_Lock(ulTimeout);
}



/*
 * Get lowest message number 
 */
unsigned long Msg_Lowest(void)
{
	return MsgBase.Lowest = JAM_Lowest();
}



void Msg_New(void)
{
	JAM_New();
}



int Msg_NewLastRead(lastread LR)
{
	return JAM_NewLastRead(LR);
}



int Msg_Next(unsigned long * ulMsg)
{
	return JAM_Next(ulMsg);
}



/*
 * Return number of messages
 */
unsigned long Msg_Number(void)
{
	return MsgBase.Total = JAM_Number();
}



/*
 * Open specified message base
 */
int Msg_Open(char *Base)
{
	int	RetVal = FALSE;

	if (MsgBase.Open) {
		if (strcmp(MsgBase.Path, Base) != 0)
			Msg_Close();
		else
			return TRUE;
	}

	RetVal = JAM_Open(Base);

	MsgBase.Open = RetVal;

	strcpy(MsgBase.Path, Base);
	return RetVal;
}



/*
 * Pack deleted messages from the message base.
 */
void Msg_Pack(void)
{
	if (!MsgBase.Locked)
		return;
		
	JAM_Pack();
}



int Msg_Previous (unsigned long * ulMsg)
{
	return JAM_Previous(ulMsg);
}



int Msg_ReadHeader (unsigned long ulMsg)
{
	return JAM_ReadHeader(ulMsg);
}



/*
 * Read message
 */
int Msg_Read(unsigned long ulMsg, int nWidth)
{
	return JAM_Read(ulMsg, nWidth);
}



int Msg_SetLastRead(lastread LR)
{
	if (!MsgBase.Locked)
		return FALSE;
		
	return JAM_SetLastRead(LR);
}



/*
 * Unlock the message base
 */
void Msg_UnLock(void)
{
	JAM_UnLock();
	MsgBase.Locked = FALSE;
}



/*
 * Write message header
 */
int Msg_WriteHeader (unsigned long ulMsg)
{
	if (!MsgBase.Locked)
		return FALSE;
		
	return JAM_WriteHeader(ulMsg);
}



/*
 * Write messagetext from file, strip linefeeds.
 */
void Msg_Write(FILE *fp)
{
	char	*Buf;
	int	i;

	Buf = calloc(MAX_LINE_LENGTH +1, sizeof(char));
	while ((fgets(Buf, MAX_LINE_LENGTH, fp)) != NULL) {

		for (i = 0; i < strlen(Buf); i++) {
			if (*(Buf + i) == '\0')
				break;
			if (*(Buf + i) == '\n')
				*(Buf + i) = '\0';
			if (*(Buf + i) == '\r')
				*(Buf + i) = '\0';
		}

		MsgText_Add2(Buf);
	}

	free(Buf);
}