Extract extend_info manipulation functions into a new file.

src/feature/control/control_cmd.c

@@ -21,6 +21,7 @@
 #include "core/or/circuituse.h"
 #include "core/or/connection_edge.h"
 #include "core/or/circuitstats.h"
+#include "core/or/extendinfo.h"
 #include "feature/client/addressmap.h"
 #include "feature/client/dnsserv.h"
 #include "feature/client/entrynodes.h"

src/feature/hs/hs_circuit.c

@@ -16,6 +16,7 @@
 #include "core/or/policies.h"
 #include "core/or/relay.h"
 #include "core/or/crypt_path.h"
+#include "core/or/extendinfo.h"
 #include "feature/client/circpathbias.h"
 #include "feature/hs/hs_cell.h"
 #include "feature/hs/hs_circuit.h"

src/feature/hs/hs_client.c

@@ -16,6 +16,7 @@
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
 #include "core/or/connection_edge.h"
+#include "core/or/extendinfo.h"
 #include "core/or/reasons.h"
 #include "feature/client/circpathbias.h"
 #include "feature/dirclient/dirclient.h"

src/feature/hs/hs_common.c

@@ -16,6 +16,7 @@
 #include "app/config/config.h"
 #include "core/or/circuitbuild.h"
 #include "core/or/policies.h"
+#include "core/or/extendinfo.h"
 #include "feature/dirauth/shared_random_state.h"
 #include "feature/hs/hs_cache.h"
 #include "feature/hs/hs_circuitmap.h"

src/feature/hs/hs_service.c

@@ -16,6 +16,7 @@
 #include "core/or/circuitbuild.h"
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
+#include "core/or/extendinfo.h"
 #include "core/or/relay.h"
 #include "feature/client/circpathbias.h"
 #include "feature/dirclient/dirclient.h"

src/feature/relay/circuitbuild_relay.c

@@ -33,6 +33,7 @@
 #include "core/or/channel.h"
 #include "core/or/circuitbuild.h"
 #include "core/or/circuitlist.h"
+#include "core/or/extendinfo.h"
 #include "core/or/onion.h"
 #include "core/or/relay.h"
 

src/feature/relay/selftest.c

@@ -24,6 +24,7 @@
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
 #include "core/or/crypt_path_st.h"
+#include "core/or/extendinfo.h"
 #include "core/or/extend_info_st.h"
 #include "core/or/origin_circuit_st.h"
 #include "core/or/relay.h"

src/feature/rend/rendclient.c

@@ -15,6 +15,7 @@
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
 #include "core/or/connection_edge.h"
+#include "core/or/extendinfo.h"
 #include "core/or/relay.h"
 #include "feature/client/circpathbias.h"
 #include "feature/control/control_events.h"

src/feature/rend/rendcommon.c

@@ -14,6 +14,7 @@
 #include "core/or/circuitbuild.h"
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
+#include "core/or/extendinfo.h"
 #include "app/config/config.h"
 #include "feature/control/control_events.h"
 #include "lib/crypt_ops/crypto_rand.h"

src/feature/rend/rendservice.c

@@ -16,6 +16,7 @@
 #include "core/or/circuitbuild.h"
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
+#include "core/or/extendinfo.h"
 #include "core/or/policies.h"
 #include "core/or/relay.h"
 #include "core/or/crypt_path.h"