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deb-mbse/lib/msgtext.c
2009-05-15 22:01:56 +02:00

336 lines
6.1 KiB
C

/*****************************************************************************
*
* $Id: msgtext.c,v 1.5 2004/02/21 14:24:04 mbroek Exp $
* Purpose ...............: Message text memory storage.
*
*****************************************************************************
* Copyright (C) 1997-2004
*
* Michiel Broek FIDO: 2:2801/16
* Beekmansbos 10 Internet: mbroek@ux123.pttnwb.nl
* 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, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "mbselib.h"
#include "msgtext.h"
#include "msg.h"
LDATA *List;
unsigned short MsgText_Add1(void * lpData)
{
unsigned short RetVal = 0;
LDATA *New;
if ((New = (LDATA *)malloc (sizeof (LDATA))) != NULL) {
memset (New, 0, sizeof (LDATA));
New->Value = (void *)lpData;
if (List != NULL) {
while (List->Next != NULL)
List = List->Next;
New->Previous = List;
New->Next = List->Next;
if (New->Next != NULL)
New->Next->Previous = New;
List->Next = New;
}
Elements++;
Msg.Size += sizeof((void *)lpData);
List = New;
RetVal = 1;
}
return (RetVal);
}
unsigned short MsgText_Add2(char * lpData)
{
return (MsgText_Add3((void *)lpData, (unsigned short)(strlen (lpData) + 1)));
}
unsigned short MsgText_Add3(void * lpData, unsigned short usSize)
{
unsigned short RetVal = 0;
LDATA *New;
if ((New = (LDATA *)malloc(sizeof (LDATA) + usSize)) != NULL) {
memset (New, 0, sizeof (LDATA) + usSize);
memcpy (New->Data, lpData, usSize);
New->Value = (void *)New->Data;
if (List != NULL) {
while (List->Next != NULL)
List = List->Next;
New->Previous = List;
New->Next = List->Next;
if (New->Next != NULL)
New->Next->Previous = New;
List->Next = New;
}
Elements++;
Msg.Size += usSize;
List = New;
RetVal = 1;
}
return (RetVal);
}
void MsgText_Clear (void)
{
while (List != NULL)
MsgText_Remove();
Elements = 0;
}
void *MsgText_First (void)
{
void *RetVal = NULL;
if (List != NULL) {
while (List->Previous != NULL)
List = List->Previous;
RetVal = List->Value;
}
return RetVal;
}
unsigned short MsgText_Insert1(void * lpData)
{
unsigned short RetVal = 0;
LDATA *New;
if ((New = (LDATA *)malloc (sizeof (LDATA))) != NULL) {
memset (New, 0, sizeof (LDATA));
New->Value = (void *)lpData;
if (List != NULL) {
New->Previous = List;
New->Next = List->Next;
if (New->Next != NULL)
New->Next->Previous = New;
List->Next = New;
}
Elements++;
List = New;
RetVal = 1;
}
return (RetVal);
}
unsigned short MsgText_Insert2(char * lpData)
{
return (MsgText_Insert3(lpData, (unsigned short)(strlen (lpData) + 1)));
}
unsigned short MsgText_Insert3(void * lpData, unsigned short usSize)
{
unsigned short RetVal = 0;
LDATA *New;
if ((New = (LDATA *)malloc (sizeof (LDATA) + usSize)) != NULL) {
memset (New, 0, sizeof (LDATA) + usSize);
memcpy (New->Data, lpData, usSize);
New->Value = (void *)New->Data;
if (List != NULL) {
New->Previous = List;
New->Next = List->Next;
if (New->Next != NULL)
New->Next->Previous = New;
List->Next = New;
}
Elements++;
List = New;
RetVal = 1;
}
return (RetVal);
}
void * MsgText_Last(void)
{
void * RetVal = NULL;
if (List != NULL) {
while (List->Next != NULL)
List = List->Next;
RetVal = List->Value;
}
return (RetVal);
}
void * MsgText_Next (void)
{
void * RetVal = NULL;
if (List != NULL) {
if (List->Next != NULL) {
List = List->Next;
RetVal = List->Value;
}
}
return (RetVal);
}
void * MsgText_Previous (void)
{
void * RetVal = NULL;
if (List != NULL) {
if (List->Previous != NULL) {
List = List->Previous;
RetVal = List->Value;
}
}
return (RetVal);
}
void MsgText_Remove(void)
{
LDATA *Temp;
if (List != NULL) {
if (List->Previous != NULL)
List->Previous->Next = List->Next;
if (List->Next != NULL)
List->Next->Previous = List->Previous;
Temp = List;
if (List->Next != NULL)
List = List->Next;
else if (List->Previous != NULL)
List = List->Previous;
else
List = NULL;
free (Temp);
Elements--;
}
}
unsigned short MsgText_Replace1(void * lpData)
{
unsigned short RetVal = 0;
LDATA *New;
if (List != NULL) {
if ((New = (LDATA *)malloc (sizeof (LDATA))) != NULL) {
memset (New, 0, sizeof (LDATA));
New->Value = (void *)lpData;
New->Next = List->Next;
New->Previous = List->Previous;
if (New->Next != NULL)
New->Next->Previous = New;
if (New->Previous != NULL)
New->Previous->Next = New;
free (List);
List = New;
RetVal = 1;
}
}
return (RetVal);
}
unsigned short MsgText_Replace2(char * lpData)
{
return (MsgText_Replace3(lpData, (unsigned short)(strlen (lpData) + 1)));
}
unsigned short MsgText_Replace3(void * lpData, unsigned short usSize)
{
unsigned short RetVal = 0;
LDATA *New;
if (List != NULL) {
if ((New = (LDATA *)malloc (sizeof (LDATA) + usSize)) != NULL) {
memset (New, 0, sizeof (LDATA) + usSize);
memcpy (New->Data, lpData, usSize);
New->Value = (void *)New->Data;
New->Next = List->Next;
New->Previous = List->Previous;
if (New->Next != NULL)
New->Next->Previous = New;
if (New->Previous != NULL)
New->Previous->Next = New;
free (List);
List = New;
RetVal = 1;
}
}
return (RetVal);
}
void * MsgText_Value(void)
{
return ((List == NULL) ? NULL : List->Value);
}