From a241ab0b9de9aa1dca32745d8461d649c48b4cc2 Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@teamix.net>
Date: Thu, 7 Apr 2011 11:13:49 +0200
Subject: check_pgsql: Allow UNIX socket directories as hostname as well.

PostgreSQL accepts the directory name of its UNIX socket as hostname as well,
e.g. /var/run/postgresql/.

diff --git a/plugins/check_pgsql.c b/plugins/check_pgsql.c
index cf526a6..c20c991 100644
--- a/plugins/check_pgsql.c
+++ b/plugins/check_pgsql.c
@@ -321,7 +321,7 @@ process_arguments (int argc, char **argv)
 			query_warning = optarg;
 			break;
 		case 'H':     /* host */
-			if (!is_host (optarg))
+			if ((*optarg != '/') && (!is_host (optarg)))
 				usage2 (_("Invalid hostname/address"), optarg);
 			else
 				pghost = optarg;
-- 
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