/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "pg_config.h"
#include "socket.h"
#include "intern.h"
#include <stdio.h>
#include <syslog.h>

result
recv_peername(FILE *fp, peername_t peer)
{
  char c;
  int r;
  
  DBG(syslog(LOG_DEBUG, "recv_peername: receiving peername"));
  
  r = fscanf(fp, " %127[^\02 ] %c", peer, &c);
  if(r < 2 || r == EOF)
    {
      if(ferror(fp))
	syslog(LOG_ERR, "recv_peername: %m");
      else if(feof(fp))
	syslog(LOG_ERR, "recv_peername: connection closed");
      else 
	syslog(LOG_ERR, "recv_peername: syntax error");
      return FAIL;
    }

  DBG(syslog(LOG_DEBUG, "recv_peername: peername is `%s'", peer));

  return SUCCESS;
}

result
send_peername(FILE *fp, const peername_t peer)
{
  DBG(syslog(LOG_DEBUG, "send_peername: `%s'", peer));

  fputs(peer, fp);
  
  if(fputc(A_STX, fp) == EOF)
    {
      syslog(LOG_ERR, "send_peername: fputc: %m");
      return FAIL;
    }

  if(fflush(fp) == EOF)
    {
      syslog(LOG_ERR, "send_peername: fflush: %m");
      return FAIL;
    }

  return SUCCESS;
}