struct mog_ni: document reasoning for the ':' in ni_serv

This is somewhat strange, but makes the code base slightly easier
to reuse for non-HTTP purposes.

1 files changed, 6 insertions, 0 deletions

diff --git a/cmogstored.h b/cmogstored.h
index c12234b..f7fa022 100644
--- a/cmogstored.h
+++ b/cmogstored.h
@@ -615,6 +615,12 @@ verify(sizeof(in_port_t) <= sizeof(uint16_t));
  */
 struct mog_ni {
         char ni_host[INET6_ADDRSTRLEN + sizeof("[]") - 1];
+
+        /*
+         * we may not always be serving protocols with port numbers in them,
+         * so we embed space for the ":" in the ni_serv field to make managing
+         * syslog(3) format strings more flexible.
+         */
         char ni_serv[sizeof(":65536")];
 };