text: /*
   * Copyright (c) 1995
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that: (1) source code distributions
   * retain the above copyright notice and this paragraph in its entirety, (2)
   * distributions including binary code include the above copyright notice and
   * this paragraph in its entirety in the documentation or other materials
   * provided with the distribution, and (3) all advertising materials mentioning
   * features or use of this software display the following acknowledgement:
   * ``This product includes software developed by the University of California,
   * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
   * the University nor the names of its contributors may be used to endorse
   * or promote products derived from this software without specific prior
   * written permission.
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
   */
  
  #ifndef lint
  static const char rcsid[] _U_ =
      "@(#) $Header: /tcpdump/master/tcpdump/vfprintf.c,v 1.6 2003/11/16 09:36:45 guy Exp $ (LBL)";
  #endif
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include <sys/types.h>
  
  #include <stdio.h>
  #include <stdarg.h>
  #include <stdlib.h>
  #include <unistd.h>
  
  #include "interface.h"
  
  /*
   * Stock 4.3 doesn't have vfprintf.
   * This routine is due to Chris Torek.
   */
  vfprintf(f, fmt, args)
  	FILE *f;
  	char *fmt;
  	va_list args;
  {
  	int ret;
  
  	if ((f->_flag & _IOWRT) == 0) {
  		if (f->_flag & _IORW)
  			f->_flag |= _IOWRT;
  		else
  			return EOF;
  	}
  	ret = _doprnt(fmt, args, f);
  	return ferror(f) ? EOF : ret;
  }
  