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deb-goldedplus/goldlib/smblib/smbtxt.cpp
2001-10-27 06:57:20 +00:00

122 lines
3.6 KiB
C++

/* smbtxt.c */
/* Synchronet message base (SMB) message text library routines */
/* $Id$ */
/****************************************************************************
* @format.tab-size 4 (Plain Text/Source Code File Header) *
* @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
* *
* Copyright 2000 Rob Swindell - http://www.synchro.net/copyright.html *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* See the GNU Lesser General Public License for more details: lgpl.txt or *
* http://www.fsf.org/copyleft/lesser.html *
* *
* Anonymous FTP access to the most recent released source is available at *
* ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
* *
* Anonymous CVS access to the development source and modification history *
* is available at cvs.synchro.net:/cvsroot/sbbs, example: *
* cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login *
* (just hit return, no password is necessary) *
* cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src *
* *
* For Synchronet coding style and modification guidelines, see *
* http://www.synchro.net/source.html *
* *
* You are encouraged to submit any modifications (preferably in Unix diff *
* format) via e-mail to mods@synchro.net *
* *
* Note: If this box doesn't appear square, then you need to fix your tabs. *
****************************************************************************/
/* ANSI */
#include <malloc.h>
/* SMB-specific */
#include "smblib.h"
char HUGE16* SMBCALL smb_getmsgtxt(smb_t* smb, smbmsg_t* msg, ulong mode)
{
char HUGE16* buf=NULL,HUGE16* lzhbuf,HUGE16* p;
ushort xlat;
int i,lzh;
long l=0,lzhlen,length;
for(i=0;i<msg->hdr.total_dfields;i++) {
if(!(msg->dfield[i].type==TEXT_BODY
|| (mode&GETMSGTXT_TAILS && msg->dfield[i].type==TEXT_TAIL))
|| msg->dfield[i].length<=2L)
continue;
fseek(smb->sdt_fp,msg->hdr.offset+msg->dfield[i].offset
,SEEK_SET);
fread(&xlat,2,1,smb->sdt_fp);
lzh=0;
if(xlat==XLAT_LZH) {
lzh=1;
fread(&xlat,2,1,smb->sdt_fp);
}
if(xlat!=XLAT_NONE) /* no other translations currently supported */
continue;
length=msg->dfield[i].length-2L;
if(lzh) {
length-=2;
if(length<1)
continue;
if((lzhbuf=(char HUGE16 *)LMALLOC(length))==NULL) {
sprintf(smb->last_error
,"malloc failure of %ld bytes for LZH buffer"
,length);
return(buf);
}
smb_fread(lzhbuf,length,smb->sdt_fp);
lzhlen=*(long*)lzhbuf;
if((p=(char HUGE16 *)REALLOC(buf,l+lzhlen+3L))==NULL) {
sprintf(smb->last_error
,"realloc failure of %ld bytes for text buffer"
,l+lzhlen+3L);
FREE(lzhbuf);
return(buf);
}
buf=p;
lzh_decode((uchar*)lzhbuf,length,(uchar*)buf+l);
FREE(lzhbuf);
l+=lzhlen;
}
else {
if((p=(char HUGE16 *)REALLOC(buf,l+length+3L))==NULL) {
sprintf(smb->last_error
,"realloc failure of %ld bytes for text buffer"
,l+length+3L);
return(buf);
}
buf=p;
p=buf+l;
l+=fread(p,1,length,smb->sdt_fp);
}
if(!l)
continue;
l--;
while(l && buf[l]==0) l--;
l++;
*(buf+l)=CR;
l++;
*(buf+l)=LF;
l++;
*(buf+l)=0;
}
return(buf);
}
void SMBCALL smb_freemsgtxt(char HUGE16* buf)
{
if(buf!=NULL)
FREE(buf);
}