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