From f183b57ed53fb24171f3c31c49dde0bea973accc Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@cryptonector.com>
Date: Fri, 10 Jul 2015 12:32:11 -0500
Subject: [PATCH] input_filename should never empty

---
 builtin.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/builtin.c b/builtin.c
index 22dc091..d2e0628 100644
--- a/builtin.c
+++ b/builtin.c
@@ -1221,7 +1221,11 @@ static jv f_now(jq_state *jq, jv a) {
 #endif
 
 static jv f_current_filename(jq_state *jq) {
-  return jq_util_input_get_current_filename(jq);
+  jv r = jq_util_input_get_current_filename(jq);
+  if (jv_is_valid(r))
+    return r;
+  jv_free(r);
+  return jv_null();
 }
 static jv f_current_line(jq_state *jq) {
   return jq_util_input_get_current_line(jq);
-- 
2.40.0