int dim_get_env_var	(	char *	env_var,
		char *	value,
		int	len
	)

Definition at line 227 of file utilities.c.

{
        char    *p;
        int tot, sz;

        if( (p = getenv(env_var)) == NULL )
                return(0);
        else {
                tot = (int)strlen(p)+1;
                if(value != 0)
                {
                        sz = tot;
                        if(sz > len)
                                sz = len;
                        strncpy(value, p, (size_t)sz);
                        if((sz == len) && (len > 0))
                                value[sz-1] = '\0';
                }
                return(tot);
        }
}