Subversion Repositories or1k_old

/* This file may have been modified by DJ Delorie (Jan 1991).  If so,

** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,

** Rochester NH, 03867-2954, USA.

*/

/*-

 * Copyright (c) 1988 The Regents of the University of California.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms are permitted

 * provided that: (1) source distributions retain this entire copyright

 * notice and comment, and (2) distributions including binaries display

 * the following acknowledgement:  ``This product includes software

 * developed by the University of California, Berkeley and its contributors''

 * in the documentation or other materials provided with the distribution

 * and in all advertising materials mentioning features or use of this

 * software. 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.

 */

#include <stdlib.h>

#include <string.h>

int

_DEFUN (putenv, (str),

        _CONST char *str)

{

  register char *p, *equal;

  int rval;

  if (!(p = strdup (str)))

    return 1;

  if (!(equal = index (p, '=')))

    {

      (void) free (p);

      return 1;

    }

  *equal = '\0';

  rval = setenv (p, equal + 1, 1);

  (void) free (p);

  return rval;

}