/***********************************************************************
* This file is part of OpenMolcas.                                     *
*                                                                      *
* OpenMolcas is free software; you can redistribute it and/or modify   *
* it under the terms of the GNU Lesser General Public License, v. 2.1. *
* OpenMolcas is distributed in the hope that it will be useful, but it *
* is provided "as is" and without any express or implied warranties.   *
* For more details see the full text of the license in the file        *
* LICENSE or in <http://www.gnu.org/licenses/>.                        *
***********************************************************************/

/*
 *  putenv
 *
 */

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

#include "molcastype.h"

#ifdef _CAPITALS_
# define putenvc PUTENVC
#else
# ifndef ADD_
#   define putenvc putenvc_
# endif
#endif

INT putenvc(char *envar) {
  FILE *MYENV;

  if (envar == NULL)
    return (-1);

  MYENV = fopen("molcas.env", "a+");
  if (MYENV == NULL) {
    fprintf(stderr, "Unable to open molcas.env file\n");
    return (-1);
  }
  fprintf(MYENV, "%s\n", envar);
  fclose(MYENV);
  return (0);
}
