/*
 * $QNXLicenseC:
 * Copyright 2007, QNX Software Systems. All Rights Reserved.
 * 
 * You must obtain a written license from and pay applicable license fees to QNX 
 * Software Systems before you may reproduce, modify or distribute this software, 
 * or any work that includes all or part of this software.   Free development 
 * licenses are available for evaluation and non-commercial purposes.  For more 
 * information visit http://licensing.qnx.com or email licensing@qnx.com.
 *  
 * This file may contain contributions from others.  Please review this entire 
 * file for other proprietary rights or license notices, as well as the QNX 
 * Development Suite License Guide at http://licensing.qnx.com/license-guide/ 
 * for other information.
 * $
 */



#include <lib/compat.h>

int
setenv(const char *var, const char *val, int overwrite) {
    char *buf = alloca(strlen(var) + strlen(val) + 2);

    if (overwrite || !getenv(var)) {
		sprintf(buf, "%s=%s", var, val);
		return putenv(buf);
    }
    return(0);
}