Filter: Make the filter context static (8976b6da) · Commits · 戴 / Bird

filter/filter.c

+9 −2

Original line number	Diff line number	Diff line
		@@ -1681,16 +1681,23 @@ i_same(struct f_inst f1, struct f_inst f2)
		static struct f_val
		f_eval_(struct f_inst expr, struct rte rte, struct ea_list tmp_attrs, struct linpool pool, int flags)
		{
		struct filter_state fs = {
		/*
		* In v1.x, this structure will NEVER be allocated more than once.
		* For performance reasons, it is static.
		*/
		static struct filter_state fs;
		fs = (struct filter_state) {
		.rte = rte,
		.old_rta = NULL,
		.tmp_attrs = tmp_attrs,
		.pool = pool,
		.flags = flags,
		};

		STATIC_BUFFER_INIT(fs.buf, fs.bufdata);

		int rte_cow = (flags & FF_AFTER_REPLACE_RTA) && ((*rte)->flags & REF_COW);

		STATIC_BUFFER_INIT(fs.buf, fs.bufdata);
		struct f_val res = interpret(&fs, expr);

		if ((flags & FF_AFTER_REPLACE_RTA) && fs.old_rta) {