Make the get_options() return const

This lets us make a lot of other stuff const, allows the compiler to
generate (slightly) better code, and will make me get slightly fewer
patches from folks who stick mutable stuff into or_options_t.

const: because not every input is an output!

1 files changed, 9 insertions, 8 deletions

diff --git a/src/or/dirserv.h b/src/or/dirserv.h
index 8bd6d18f96..d3fd90ceb5 100644
--- a/src/or/dirserv.h
+++ b/src/or/dirserv.h
@@ -71,15 +71,16 @@ int list_server_status_v1(smartlist_t *routers, char **router_status_out,
 int dirserv_dump_directory_to_string(char **dir_out,
                                      crypto_pk_env_t *private_key);
 
-int directory_fetches_from_authorities(or_options_t *options);
-int directory_fetches_dir_info_early(or_options_t *options);
-int directory_fetches_dir_info_later(or_options_t *options);
-int directory_caches_v2_dir_info(or_options_t *options);
+int directory_fetches_from_authorities(const or_options_t *options);
+int directory_fetches_dir_info_early(const or_options_t *options);
+int directory_fetches_dir_info_later(const or_options_t *options);
+int directory_caches_v2_dir_info(const or_options_t *options);
 #define directory_caches_v1_dir_info(o) directory_caches_v2_dir_info(o)
-int directory_caches_dir_info(or_options_t *options);
-int directory_permits_begindir_requests(or_options_t *options);
-int directory_permits_controller_requests(or_options_t *options);
-int directory_too_idle_to_fetch_descriptors(or_options_t *options, time_t now);
+int directory_caches_dir_info(const or_options_t *options);
+int directory_permits_begindir_requests(const or_options_t *options);
+int directory_permits_controller_requests(const or_options_t *options);
+int directory_too_idle_to_fetch_descriptors(const or_options_t *options,
+                                            time_t now);
 
 void directory_set_dirty(void);
 cached_dir_t *dirserv_get_directory(void);