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Minor documentation update.

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Pavel Machek 2000-04-29 17:48:38 +00:00
parent 468f2347fc
commit 8c62d6e3b6
1 changed files with 8 additions and 4 deletions
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12
filter/filter.c
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@ -631,10 +631,14 @@ i_same(struct f_inst *f1, struct f_inst *f2)
* arguments (a1, a2). Some instructinos contain pointer(s) to other * arguments (a1, a2). Some instructinos contain pointer(s) to other
* instructions in their (a1, a2) fields. * instructions in their (a1, a2) fields.
* *
* Filters use structure &f_val for its variables. Each &f_val contains * Filters use structure &f_val for its variables. Each &f_val
* type and value. Types are constants prefixed with %T_. Few of types * contains type and value. Types are constants prefixed with %T_. Few
* are special; %T_RETURN can be or-ed with type to indicate that return * of types are special; %T_RETURN can be or-ed with type to indicate
* from function/from whole filter should be forced. * that return from function/from whole filter should be
* forced. Important thing about &f_val s is that they may be copied
* with simple =. That's fine for all currently defined types: strings
* are read-only (and therefore okay), paths are copied for each
* operation (okay too).
*/ */
int int
f_run(struct filter *filter, struct rte **rte, struct ea_list **tmp_attrs, struct linpool *tmp_pool, int flags) f_run(struct filter *filter, struct rte **rte, struct ea_list **tmp_attrs, struct linpool *tmp_pool, int flags)