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route_table: Constify args of serveral APIs

Change-Id: I45387df6b6d598676cd8dcd152e1f8b4cd35bba4
---
M src/ss7_route_table.c
M src/ss7_route_table.h
2 files changed, 15 insertions(+), 15 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/libosmo-sigtran refs/changes/59/40559/1

diff --git a/src/ss7_route_table.c b/src/ss7_route_table.c
index e59fd55..bd7b305 100644
--- a/src/ss7_route_table.c
+++ b/src/ss7_route_table.c
@@ -109,7 +109,7 @@
  * This function is used for route management procedures, not for packet routing lookup procedures!
  */
 struct osmo_ss7_route *
-ss7_route_table_find_route_by_dpc_mask(struct osmo_ss7_route_table *rtbl, uint32_t dpc,
+ss7_route_table_find_route_by_dpc_mask(const struct osmo_ss7_route_table *rtbl, uint32_t dpc,
 				       uint32_t mask, bool dynamic)
 {
 	struct osmo_ss7_combined_linkset *clset;
@@ -142,7 +142,7 @@
  * This function is used for route management procedures, not for packet routing lookup procedures!
  */
 struct osmo_ss7_route *
-ss7_route_table_find_route_by_dpc_mask_as(struct osmo_ss7_route_table *rtbl, uint32_t dpc,
+ss7_route_table_find_route_by_dpc_mask_as(const struct osmo_ss7_route_table *rtbl, uint32_t dpc,
 					  uint32_t mask, const struct osmo_ss7_as *as, bool dynamic)
 {
 	struct osmo_ss7_combined_linkset *clset;
@@ -173,7 +173,7 @@
 }
 
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset_by_dpc(struct osmo_ss7_route_table *rtbl, uint32_t dpc)
+ss7_route_table_find_combined_linkset_by_dpc(const struct osmo_ss7_route_table *rtbl, uint32_t dpc)
 {
 	struct osmo_ss7_combined_linkset *clset;
 
@@ -192,7 +192,7 @@
 }
 
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset_by_dpc_mask(struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask)
+ss7_route_table_find_combined_linkset_by_dpc_mask(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask)
 {
 	struct osmo_ss7_combined_linkset *clset;
 
@@ -213,7 +213,7 @@
 }
 
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset(struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio)
+ss7_route_table_find_combined_linkset(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio)
 {
 	struct osmo_ss7_combined_linkset *clset;
 
@@ -244,7 +244,7 @@
 	return clset;
 }
 
-void ss7_route_table_update_route_status_by_as(struct osmo_ss7_route_table *rtbl, enum osmo_ss7_route_status status,
+void ss7_route_table_update_route_status_by_as(const struct osmo_ss7_route_table *rtbl, enum osmo_ss7_route_status status,
 					       const struct osmo_ss7_as *as, uint32_t dpc)
 {
 	struct osmo_ss7_combined_linkset *clset;
@@ -300,7 +300,7 @@
 }
 
 struct osmo_ss7_route *
-ss7_route_table_lookup_route(struct osmo_ss7_route_table *rtbl, const struct osmo_ss7_route_label *rtlabel)
+ss7_route_table_lookup_route(const struct osmo_ss7_route_table *rtbl, const struct osmo_ss7_route_label *rtlabel)
 {
 	struct osmo_ss7_combined_linkset *clset;
 	struct osmo_ss7_route *rt;
diff --git a/src/ss7_route_table.h b/src/ss7_route_table.h
index a128915..5141c18 100644
--- a/src/ss7_route_table.h
+++ b/src/ss7_route_table.h
@@ -39,26 +39,26 @@
 void ss7_route_table_destroy(struct osmo_ss7_route_table *rtbl);
 
 struct osmo_ss7_route *
-ss7_route_table_find_route_by_dpc_mask(struct osmo_ss7_route_table *rtbl, uint32_t dpc,
+ss7_route_table_find_route_by_dpc_mask(const struct osmo_ss7_route_table *rtbl, uint32_t dpc,
 				       uint32_t mask, bool dynamic);
 struct osmo_ss7_route *
-ss7_route_table_find_route_by_dpc_mask_as(struct osmo_ss7_route_table *rtbl, uint32_t dpc,
+ss7_route_table_find_route_by_dpc_mask_as(const struct osmo_ss7_route_table *rtbl, uint32_t dpc,
 				       uint32_t mask, const struct osmo_ss7_as *as, bool dynamic);
 struct osmo_ss7_route *
-ss7_route_table_lookup_route(struct osmo_ss7_route_table *rtbl, const struct osmo_ss7_route_label *rtlabel);
+ss7_route_table_lookup_route(const struct osmo_ss7_route_table *rtbl, const struct osmo_ss7_route_label *rtlabel);
 
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset(struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio);
+ss7_route_table_find_combined_linkset(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio);
 struct osmo_ss7_combined_linkset *
 ss7_route_table_find_or_create_combined_linkset(struct osmo_ss7_route_table *rtbl, uint32_t pc, uint32_t mask, uint32_t prio);
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset_by_dpc(struct osmo_ss7_route_table *rtbl, uint32_t dpc);
+ss7_route_table_find_combined_linkset_by_dpc(const struct osmo_ss7_route_table *rtbl, uint32_t dpc);
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset_by_dpc_mask(struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask);
+ss7_route_table_find_combined_linkset_by_dpc_mask(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask);
 struct osmo_ss7_combined_linkset *
-ss7_route_table_find_combined_linkset(struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio);
+ss7_route_table_find_combined_linkset(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio);
 
-void ss7_route_table_update_route_status_by_as(struct osmo_ss7_route_table *rtbl, enum osmo_ss7_route_status status,
+void ss7_route_table_update_route_status_by_as(const struct osmo_ss7_route_table *rtbl, enum osmo_ss7_route_status status,
 					       const struct osmo_ss7_as *as, uint32_t dpc);
 void ss7_route_table_del_routes_by_as(struct osmo_ss7_route_table *rtbl, struct osmo_ss7_as *as);
 void ss7_route_table_del_routes_by_linkset(struct osmo_ss7_route_table *rtbl, struct osmo_ss7_linkset *lset);

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