client: Fix minor issues in D-Bus path name checking

diff --git a/client/commands.c b/client/commands.c
index 8c67ebc..bd33284 100644 (file)
--- a/client/commands.c
+++ b/client/commands.c
@@ -73,10 +73,11 @@ static bool check_dbus_name(const char *name)
         */
        unsigned int i;
 
-       if (name == NULL || (name[0] >= '0' && name[0] <= '9'))
+       if (name == NULL || name[0] == '\0' || (name[0] >= '0' &&
+                                       name[0] <= '9'))
                return false;
 
-       for (i = 0; i < strlen(name); i++)
+       for (i = 0; name[i] != '\0'; i++)
                if (!((name[i] >= 'A' && name[i] <= 'Z') ||
                                (name[i] >= 'a' && name[i] <= 'z') ||
                                (name[i] >= '0' && name[i] <= '9') ||