X-Git-Url: https://git.distorted.org.uk/~mdw/tripe/blobdiff_plain/102fa2f087554901001abcd106160a4ea0668206..5d06f63eaa34a4bf0e116f3e2a1e4ef4e6434224:/server/servutil.c

diff --git a/server/servutil.c b/server/servutil.c
index 70721396..70776dda 100644
--- a/server/servutil.c
+++ b/server/servutil.c
@@ -121,6 +121,30 @@ int mystrieq(const char *x, const char *y)
   }
 }
 
+/*----- Address handling --------------------------------------------------*/
+
+const struct addrfam aftab[] = {
+#define DEF(af) { AF_##af, #af },
+  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