Function exec_args_adjust_args

freebsd/kern/kern_exec.c:1512–1530

}

int
exec_args_adjust_args(struct image_args *args, size_t consume, ssize_t extend)
{
	ssize_t offset;

	KASSERT(args->endp != NULL, ("endp not initialized"));
	KASSERT(args->begin_argv != NULL, ("begin_argp not initialized"));

	offset = extend - consume;
	if (args->stringspace < offset)
		return (E2BIG);
	memmove(args->begin_argv + extend, args->begin_argv + consume,
	    args->endp - args->begin_argv + consume);
	if (args->envc > 0)
		args->begin_envv += offset;
	args->endp += offset;
	args->stringspace -= offset;
	return (0);
}

char *
exec_args_get_begin_envv(struct image_args *args)