pacemaker/replace/setenv.c

/*
 * Copyright (C) 2001 Alan Robertson <alanr@unix.sh>
 * This software licensed under the GNU LGPL.
 *
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
#include <crm_internal.h>
#include <stdlib.h>
#include <stdio.h>

/*
 *	Small replacement function for setenv()
 */
int
setenv(const char *name, const char *value, int why)
{
    int rc = -1;

    if (name && value) {
        char *envp = NULL;

        envp = malloc(strlen(name) + strlen(value) + 2);
        if (envp) {
            /*
             * Unfortunately, the putenv API guarantees memory leaks when
             * changing environment variables repeatedly...   :-(
             */

            sprintf(envp, "%s=%s", name, value);

            /* Cannot free envp (!) */
            rc = putenv(envp);
        }

    }
    return (rc);
}