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deb-mbse/lib/batchrd.c
2005-10-11 20:49:41 +00:00

89 lines
2.4 KiB
C

/*****************************************************************************
*
* $Id$
* Purpose ...............: Batch reading
*
*****************************************************************************
* Copyright (C) 1997-2005
*
* 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, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "mbselib.h"
static int counter = 0L;
static int batchmode = -1;
int usetmp = 0;
char *bgets(char *buf, int count, FILE *fp)
{
if (usetmp) {
return fgets(buf,count,fp);
}
if ((batchmode == 1) && (counter > 0L) && (counter < (count-1)))
count=(counter+1);
if (fgets(buf,count,fp) == NULL)
return NULL;
switch (batchmode) {
case -1: if (!strncmp(buf,"#! rnews ",9) || !strncmp(buf,"#!rnews ",8)) {
batchmode=1;
sscanf(buf+8,"%d",&counter);
Syslog('m', "first chunk of input batch: %d",counter);
if (counter < (count-1))
count=(counter+1);
if (fgets(buf,count,fp) == NULL)
return NULL;
else {
counter -= strlen(buf);
return(buf);
}
} else {
batchmode=0;
return buf;
}
case 0: return buf;
case 1: if (counter <= 0L) {
while (strncmp(buf,"#! rnews ",9) && strncmp(buf,"#!rnews ",8)) {
Syslog('+', "batch out of sync: %s",buf);
if (fgets(buf,count,fp) == NULL)
return NULL;
}
sscanf(buf+8,"%d",&counter);
Syslog('m', "next chunk of input batch: %d",counter);
return NULL;
} else {
counter -= strlen(buf);
Syslog('m', "bread \"%s\", %d left of this chunk", buf,counter);
return buf;
}
}
return buf;
}