X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/cc4206168fb95a0dcd96c2e1f8243e9fd6f4589b..2093fb5c:/secnet.h

diff --git a/secnet.h b/secnet.h
index 03ce7c9..3fba00f 100644
--- a/secnet.h
+++ b/secnet.h
@@ -30,6 +30,11 @@ typedef const char *cstring_t;
 #define True  (_Bool)1
 typedef _Bool bool_t;
 
+union iaddr {
+    struct sockaddr sa;
+    struct sockaddr_in sin;
+};
+
 #define ASSERT(x) do { if (!(x)) { fatal("assertion failed line %d file " \
 					 __FILE__,__LINE__); } } while(0)
 
@@ -329,13 +334,8 @@ struct rsaprivkey_if {
 struct comm_addr {
     /* This struct is pure data; in particular comm's clients may
        freely copy it. */
-    /* Everyone is also guaranteed that all padding is set to zero, ie
-       that comm_addrs referring to semantically identical peers will
-       compare equal with memcmp.  Anyone who constructs a comm_addr
-       must start by memsetting it with FILLZERO, or some
-       equivalent. */
     struct comm_if *comm;
-    struct sockaddr_in sin;
+    union iaddr ia;
 };
 
 /* Return True if the packet was processed, and shouldn't be passed to
@@ -362,11 +362,19 @@ struct comm_if {
     comm_addr_to_string_fn *addr_to_string;
 };
 
+bool_t iaddr_equal(const union iaddr *ia, const union iaddr *ib);
+
 static inline const char *comm_addr_to_string(const struct comm_addr *ca)
 {
     return ca->comm->addr_to_string(ca->comm->st, ca);
 }
 
+static inline bool_t comm_addr_equal(const struct comm_addr *a,
+				     const struct comm_addr *b)
+{
+    return a->comm==b->comm && iaddr_equal(&a->ia,&b->ia);
+}
+
 /* LOG interface */
 
 #define LOG_MESSAGE_BUFLEN 1023