/*
 * CU sudo version 1.4 (based on Root Group sudo version 1.1)
 *
 * This software comes with no waranty whatsoever, use at your own risk.
 *
 * Please send bugs, changes, problems to sudo-bugs@cs.colorado.edu
 *
 */

/*
 *  sudo version 1.1 allows users to execute commands as root
 *  Copyright (C) 1991  The Root Group, Inc.
 *
 *  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 1, 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.
 *
 *******************************************************************
 *
 *  This module contains strdup() for those systems without it.
 *
 *  Jeff Nieusma  Thu Mar 21 23:11:23 MST 1991
 */

#ifndef lint
static char rcsid[] = "$Id$";
#endif /* lint */

#include "config.h"

#include <stdio.h>
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif /* HAVE_STRINGS_H */
#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
#include <malloc.h>
#endif /* HAVE_MALLOC_H && !STDC_HEADERS */

#include "compat.h"

#ifndef STDC_HEADERS
#ifndef __GNUC__		/* gcc has its own malloc */
extern char *malloc	__P((size_t));
#endif /* __GNUC__ */
extern char *strcpy	__P((char *, const char *));
#endif /* !STDC_HEADERS */


/******************************************************************
 *
 *  strdup()
 *
 *  this function returns a pointer a string copied into 
 *  a malloc()ed buffer
 */

char * strdup(s1)
    const char * s1;
{
    register char * s;

    if ((s = (char *) malloc(strlen(s1) + 1)) == NULL)
	return(NULL);

    (void) strcpy(s, s1);
    return(s);
}