except.c

该软件根据网络数据生成NetFlow记录。NetFlow可用于网络规划、负载均衡、安全监控等

/******************************************************************************
*                                                                             *
*   Copyright 2005 University of Cambridge Computer Laboratory.               *
*                                                                             *
*   This file is part of Nprobe.                                              *
*                                                                             *
*   Nprobe 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.                                       *
*                                                                             *
*   Nprobe 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 Nprobe; if not, write to the Free Software                     *
*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *
*                                                                             *
******************************************************************************/


#include <stdio.h>
#include <string.h>

#define NO_EXCEPTS

char errmsg[256];
int errflag = 0;

void 
throw(char *msg) 
{
  strncpy(errmsg, msg, 256);
  errflag = 1;
#ifdef NO_EXCEPTS 
  wr_error(msg);
#endif

  return;
}

void 
clear_except(void) 
{
  errflag = 0;

  return;
}

char *
check_except(void) 
{
  if (errflag)
    return errmsg;
  else
    return NULL;
}