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news_vms.c
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C/C++ Source or Header
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1994-02-10
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3KB
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76 lines
/*
* Program: Netnews mail routines
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 4 September 1991
* Last Edited: 18 November 1993
*
* Copyright 1993 by the University of Washington
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appears in all copies and that both the
* above copyright notice and this permission notice appear in supporting
* documentation, and that the name of the University of Washington not be
* used in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. This software is made
* available "as is", and
* THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
* WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
* NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
* (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <stdio.h>
#include <ctype.h>
#include <netdb.h>
#include <errno.h>
extern int errno; /* just in case */
#include <types.h>
#include "osdep.h"
#include "mail.h"
#include <file.h>
#include <stat.h>
#include <time.h>
#include "news.h"
#include "rfc822.h"
#include "misc.h"
/* Netnews mail routines */
/* Read netnews database
* Accepts: pointer to netnews database handle (handle NIL if first time)
* Returns: character string for netnews database or NIL if done
* Note - uses strtok() mechanism
*/
char *news_read (sdb)
void **sdb;
{
int fd;
char *s,*t,tmp[MAILTMPLEN];
struct stat sbuf;
if (!*sdb) { /* first time through? */
if ((fd = open (NEWSRC,O_RDONLY,NIL)) < 0) return NIL;
fstat (fd,&sbuf); /* get file size and read data */
read (fd,s = (char *) (*sdb = fs_get (sbuf.st_size + 1)),sbuf.st_size);
close (fd); /* close file */
s[sbuf.st_size] = '\0'; /* tie off string */
if (t = strtok (s,"\n")) return t;
}
/* subsequent times through database */
else if (t = strtok (NIL,"\n")) return t;
fs_give (sdb); /* free database */
return NIL; /* all done */
}