From 81b4308bde215f7f59c34977f037e9af798b5d69 Mon Sep 17 00:00:00 2001
From: Alasdair Kergon <agk@redhat.com>
Date: Fri, 28 Apr 2006 13:30:59 +0000
Subject: [PATCH] Ignore empty strings in config files.

---
 WHATS_NEW           | 1 +
 lib/config/config.c | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/WHATS_NEW b/WHATS_NEW
index e5e3d0b93..1a4ba1094 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.06 -
 =================================
+  Ignore empty strings in config files.
   Require non-zero regionsize and document parameter on lvcreate man page.
   Invalidate cache if composition of VG changed externally.
 
diff --git a/lib/config/config.c b/lib/config/config.c
index 014a657bb..3b546fe96 100644
--- a/lib/config/config.c
+++ b/lib/config/config.c
@@ -752,9 +752,9 @@ const char *find_config_str(const struct config_node *cn,
 {
 	const struct config_node *n = find_config_node(cn, path);
 
-	if (n && n->v->type == CFG_STRING) {
-		if (*n->v->v.str)
-			log_very_verbose("Setting %s to %s", path, n->v->v.str);
+	/* Empty strings are ignored */
+	if ((n && n->v->type == CFG_STRING) && (*n->v->v.str))
+		log_very_verbose("Setting %s to %s", path, n->v->v.str);
 		return n->v->v.str;
 	}