From ab6c3d9b6e7d65b2934d0e94bcef9c93f0380010 Mon Sep 17 00:00:00 2001
From: Ian Barwick <ian@2ndquadrant.com>
Date: Wed, 17 Oct 2018 11:46:29 +0900
Subject: [PATCH] Handle NULL strings when parsing boolean arguments

---
 configfile.c | 3 +++
 repmgrd.c    | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/configfile.c b/configfile.c
index 22ceabd2..35c3924d 100644
--- a/configfile.c
+++ b/configfile.c
@@ -1531,6 +1531,9 @@ parse_bool(const char *s, const char *config_item, ItemList *error_list)
 {
 	PQExpBufferData errors;
 
+	if (s == NULL)
+		return true;
+
 	if (strcasecmp(s, "0") == 0)
 		return false;
 
diff --git a/repmgrd.c b/repmgrd.c
index 311a8b5a..4e4776e9 100644
--- a/repmgrd.c
+++ b/repmgrd.c
@@ -175,7 +175,6 @@ main(int argc, char **argv)
 
 				/* daemon options */
 
-
 			case 'd':
 				daemonize = true;
 				break;
@@ -184,7 +183,6 @@ main(int argc, char **argv)
 				daemonize = parse_bool(optarg, "-d/--daemonize", &cli_errors);
 				break;
 
-
 			case 'p':
 				strncpy(pid_file, optarg, MAXPGPATH);
 				break;