Define new CONST_TO_*_CONN() functions for const-to-const casts

These names are analogous to the CONST_TO_*_CIRC() functions we have
for circuits.

Part of #40046.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/core/or/connection_or.c b/src/core/or/connection_or.c
index e6dc62a475..91dcbe695b 100644
--- a/src/core/or/connection_or.c
+++ b/src/core/or/connection_or.c
@@ -111,6 +111,17 @@ TO_OR_CONN(connection_t *c)
   return DOWNCAST(or_connection_t, c);
 }
 
+/**
+ * Cast a `const connection_t *` to a `const or_connection_t *`.
+ *
+ * Exit with an assertion failure if the input is not an `or_connnection_t`.
+ **/
+const or_connection_t *
+CONST_TO_OR_CONN(const connection_t *c)
+{
+  return TO_OR_CONN((connection_t *)c);
+}
+
 /** Clear clear conn->identity_digest and update other data
  * structures as appropriate.*/
 void