Add centralized IP/Peer formatting functions

This stops us from needing to manually check against ":" to
add brackets around IPv6 addresses everywhere.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/sds.c b/src/sds.c
index 1df1043ed..fa71896ef 100644
--- a/src/sds.c
+++ b/src/sds.c
@@ -962,6 +962,15 @@ sds sdsjoin(char **argv, int argc, char *sep) {
     return join;
 }
 
+sds sdsformatip(char *ip, int port) {
+    if (port >= 0)
+        return sdscatfmt(sdsempty(),
+            strchr(ip,':') ? "[%s]:%i" : "%s:%i", ip, port);
+    else
+        return sdscatfmt(sdsempty(),
+            strchr(ip,':') ? "[%s]" : "%s", ip);
+}
+
 #ifdef SDS_TEST_MAIN
 #include <stdio.h>
 #include "testhelp.h"