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1.1 root 1: /* smbtxt.c */
2:
3: /* Synchronet message base (SMB) message text library routines */
4:
5: /* $Id: smbtxt.c,v 1.1 2000/10/29 04:50:21 rswindell Exp $ */
6:
7: /****************************************************************************
8: * @format.tab-size 4 (Plain Text/Source Code File Header) *
9: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
10: * *
11: * Copyright 2000 Rob Swindell - http://www.synchro.net/copyright.html *
12: * *
13: * This library is free software; you can redistribute it and/or *
14: * modify it under the terms of the GNU Lesser General Public License *
15: * as published by the Free Software Foundation; either version 2 *
16: * of the License, or (at your option) any later version. *
17: * See the GNU Lesser General Public License for more details: lgpl.txt or *
18: * http://www.fsf.org/copyleft/lesser.html *
19: * *
20: * Anonymous FTP access to the most recent released source is available at *
21: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
22: * *
23: * Anonymous CVS access to the development source and modification history *
24: * is available at cvs.synchro.net:/cvsroot/sbbs, example: *
25: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login *
26: * (just hit return, no password is necessary) *
27: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src *
28: * *
29: * For Synchronet coding style and modification guidelines, see *
30: * http://www.synchro.net/source.html *
31: * *
32: * You are encouraged to submit any modifications (preferably in Unix diff *
33: * format) via e-mail to [email protected] *
34: * *
35: * Note: If this box doesn't appear square, then you need to fix your tabs. *
36: ****************************************************************************/
37:
38: /* ANSI */
39: #include <malloc.h>
40:
41: /* SMB-specific */
42: #include "smblib.h"
43:
44: char HUGE16* SMBCALL smb_getmsgtxt(smb_t* smb, smbmsg_t* msg, ulong mode)
45: {
46: char HUGE16* buf=NULL,HUGE16* lzhbuf,HUGE16* p;
47: ushort xlat;
48: int i,lzh;
49: long l=0,lzhlen,length;
50:
51: for(i=0;i<msg->hdr.total_dfields;i++) {
52: if(!(msg->dfield[i].type==TEXT_BODY
53: || (mode&GETMSGTXT_TAILS && msg->dfield[i].type==TEXT_TAIL))
54: || msg->dfield[i].length<=2L)
55: continue;
56: fseek(smb->sdt_fp,msg->hdr.offset+msg->dfield[i].offset
57: ,SEEK_SET);
58: fread(&xlat,2,1,smb->sdt_fp);
59: lzh=0;
60: if(xlat==XLAT_LZH) {
61: lzh=1;
62: fread(&xlat,2,1,smb->sdt_fp);
63: }
64: if(xlat!=XLAT_NONE) /* no other translations currently supported */
65: continue;
66:
67: length=msg->dfield[i].length-2L;
68: if(lzh) {
69: length-=2;
70: if(length<1)
71: continue;
72: if((lzhbuf=LMALLOC(length))==NULL) {
73: sprintf(smb->last_error
74: ,"malloc failure of %ld bytes for LZH buffer"
75: ,length);
76: return(buf);
77: }
78: smb_fread(lzhbuf,length,smb->sdt_fp);
79: lzhlen=*(long*)lzhbuf;
80: if((p=REALLOC(buf,l+lzhlen+3L))==NULL) {
81: sprintf(smb->last_error
82: ,"realloc failure of %ld bytes for text buffer"
83: ,l+lzhlen+3L);
84: FREE(lzhbuf);
85: return(buf);
86: }
87: buf=p;
88: lzh_decode((char*)lzhbuf,length,(char*)buf+l);
89: FREE(lzhbuf);
90: l+=lzhlen;
91: }
92: else {
93: if((p=REALLOC(buf,l+length+3L))==NULL) {
94: sprintf(smb->last_error
95: ,"realloc failure of %ld bytes for text buffer"
96: ,l+length+3L);
97: return(buf);
98: }
99: buf=p;
100: p=buf+l;
101: l+=fread(p,1,length,smb->sdt_fp);
102: }
103: if(!l)
104: continue;
105: l--;
106: while(l && buf[l]==0) l--;
107: l++;
108: *(buf+l)=CR;
109: l++;
110: *(buf+l)=LF;
111: l++;
112: *(buf+l)=0;
113: }
114: return(buf);
115: }
116:
117: void SMBCALL smb_freemsgtxt(char HUGE16* buf)
118: {
119: if(buf!=NULL)
120: FREE(buf);
121: }
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