wireaddr: remove FQDN_ADDRLEN in favor of LARGEST_ADDRLEN.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

common/wireaddr.c

@@ -108,7 +108,7 @@ bool fromwire_wireaddr_internal(const u8 **cursor, size_t *max,
 
 char *fmt_wireaddr(const tal_t *ctx, const struct wireaddr *a)
 {
-	char addrstr[FQDN_ADDRLEN];
+	char addrstr[LARGEST_ADDRLEN];
 	char *ret, *hex;
 
 	switch (a->type) {
@@ -212,7 +212,7 @@ REGISTER_TYPE_TO_STRING(wireaddr_internal, fmt_wireaddr_internal);
 
 char *fmt_wireaddr_without_port(const tal_t * ctx, const struct wireaddr *a)
 {
-	char addrstr[FQDN_ADDRLEN];
+	char addrstr[LARGEST_ADDRLEN];
 	char *ret, *hex;
 
 	switch (a->type) {

common/wireaddr.h

@@ -33,7 +33,7 @@ struct sockaddr_un;
 
 #define	TOR_V2_ADDRLEN 12
 #define	TOR_V3_ADDRLEN 37
-#define	FQDN_ADDRLEN 255
+#define	LARGEST_ADDRLEN 37
 
 enum wire_addr_type {
 	ADDR_TYPE_PADDING = 0,
@@ -47,7 +47,7 @@ enum wire_addr_type {
 struct wireaddr {
 	enum wire_addr_type type;
 	u8 addrlen;
-	u8 addr[TOR_V3_ADDRLEN]; //or FQDN_ADDRLEN ?
+	u8 addr[LARGEST_ADDRLEN];
 	u16 port;
 };