From bb8bd3d76da9a17b6609b841848a413e30347fdf Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Wed, 21 Oct 2020 11:03:36 +0200
Subject: [PATCH] pw-cat: don't put empty strings in metadata

---
 src/tools/pw-cat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tools/pw-cat.c b/src/tools/pw-cat.c
index 00fa3dd4a..a37256b1b 100644
--- a/src/tools/pw-cat.c
+++ b/src/tools/pw-cat.c
@@ -1123,7 +1123,8 @@ static int fill_properties(struct data *data)
 		if (table[c] == NULL)
 			continue;
 
-		if ((s = sf_get_string(data->file, c)) == NULL)
+		if ((s = sf_get_string(data->file, c)) == NULL ||
+		    *s == '\0')
 			continue;
 
 		pw_properties_set(data->props, table[c], s);