filefeeder.c

来自「Path MPICH-V for MPICH the MPI Implement」· C语言 代码 · 共 56 行

/*
  MPICH-V2
  Copyright (C) 2002, 2003 Groupe Cluster et Grid, LRI, Universite de Paris Sud


  This file is part of MPICH-V2.

  MPICH-V2 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.

  MPICH-V2 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 MPICH-V2; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  $Id: filefeeder.c,v 1.1.1.1 2004/01/30 15:49:38 lemarini Exp $
*/
#include <stdio.h>

#define MAXSIZE 65536

/* this is cat ! */

int main(int argc, char *argv[])
{
  FILE *f;
  char line[MAXSIZE];

  if(argc != 2)
    {
      fprintf(stderr, "Usage : %s <file>", argv[0]);
      return -1;
    }

  f = fopen(argv[1], "r");
  if(!f)
    {
      perror(argv[1]);
      return -1;
    }

  while( fgets(line, MAXSIZE, f) )
    {
      printf(line);
    }

  fclose(f);
  return 0;
}