confile: add config_value_empty()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 4114e9fffb8bab816c426d65dc5973a2aa3b72ba..1561a73c9363ae12ac0b91dbab9e5586febdacb2 100644 (file)
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -328,6 +328,14 @@ int lxc_listconfigs(char *retv, int inlen)
        return fulllen;
 }
 
+static inline bool config_value_empty(const char *value)
+{
+       if (value && strlen(value) > 0)
+               return false;
+
+       return true;
+}
+
 static int config_string_item(char **conf_item, const char *value)
 {
        char *new_value;