Update code comments about peer authenticaton

For historical reasons, the functions for peer authentication were
grouped under ident authentication.  But they are really completely
separate, so give them their own section headings.

diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 0cf65ba5de71789f4b30e852bbba3bc3557f8ab4..58a44adeb7c30b7bc9424c188c1a31d3450ba36d 100644 (file)
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -73,6 +73,11 @@ static int   CheckSCRAMAuth(Port *port, char *shadow_pass, char **logdetail);
 
 static int     ident_inet(hbaPort *port);
 
+
+/*----------------------------------------------------------------
+ * Peer authentication
+ *----------------------------------------------------------------
+ */
 #ifdef HAVE_UNIX_SOCKETS
 static int     auth_peer(hbaPort *port);
 #endif
@@ -1967,6 +1972,12 @@ ident_inet_done:
        return STATUS_ERROR;
 }
 
+
+/*----------------------------------------------------------------
+ * Peer authentication system
+ *----------------------------------------------------------------
+ */
+
 /*
  *     Ask kernel about the credentials of the connecting process,
  *     determine the symbolic name of the corresponding user, and check