}
}
+/*----- Address handling --------------------------------------------------*/
+
+const struct addrfam aftab[] = {
+#ifdef HAVE_LIBADNS
+# define DEF(af, qf) { AF_##af, #af, adns_qf_##qf },
+#else
+# define DEF(af, qf) { AF_##af, #af },
+#endif
+ ADDRFAM(DEF)
+#undef DEF
+};
+
+/* --- @afix@ --- *
+ *
+ * Arguments: @int af@ = an address family code
+ *
+ * Returns: The index of the address family's record in @aftab@, or @-1@.
+ */
+
+int afix(int af)
+{
+ int i;
+
+ for (i = 0; i < NADDRFAM; i++)
+ if (af == aftab[i].af) return (i);
+ return (-1);
+}
+
/* --- @addrsz@ --- *
*
* Arguments: @const addr *a@ = a network address
{
switch (a->sa.sa_family) {
case AF_INET: return (sizeof(a->sin));
+ case AF_INET6: return (sizeof(a->sin6));
+ default: abort();
+ }
+}
+
+/* --- @getport@, @setport@ --- *
+ *
+ * Arguments: @addr *a@ = a network address
+ * @unsigned port@ = port number to set
+ *
+ * Returns: ---
+ *
+ * Use: Retrieves or sets the port number in an address structure.
+ */
+
+unsigned getport(addr *a)
+{
+ switch (a->sa.sa_family) {
+ case AF_INET: return (ntohs(a->sin.sin_port)); break;
+ case AF_INET6: return (ntohs(a->sin6.sin6_port)); break;
+ default: abort();
+ }
+}
+
+void setport(addr *a, unsigned port)
+{
+ switch (a->sa.sa_family) {
+ case AF_INET: a->sin.sin_port = htons(port); break;
+ case AF_INET6: a->sin6.sin6_port = htons(port); break;
default: abort();
}
}