From b0e65d149f76c081d5840b4156b9a13516429732 Mon Sep 17 00:00:00 2001
From: Stephen Dolan <mu@netsoc.tcd.ie>
Date: Mon, 13 May 2013 14:10:39 +0100
Subject: [PATCH] Fix a bug triggered by jv_array_slice.

---
 jq_test.c | 12 ++++++++++++
 jv.c      |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/jq_test.c b/jq_test.c
index 19dccc22..c71fdc66 100644
--- a/jq_test.c
+++ b/jq_test.c
@@ -164,6 +164,18 @@ static void jv_test() {
     jv_free(a3);
 
 
+    jv a4 = jv_array();
+    a4 = jv_array_append(a4, jv_number(1));
+    a4 = jv_array_append(a4, jv_number(2));
+    jv a5 = jv_copy(a4);
+    a4 = jv_array_append(a4, jv_number(3));
+    a4 = jv_array_slice(a4, 0, 1);
+    assert(jv_array_length(jv_copy(a4)) == 1);
+    a4 = jv_array_append(a4, jv_number(4));
+    assert(jv_array_length(a4) == 2);
+    assert(jv_array_length(a5) == 2);
+
+
     assert(jv_array_length(jv_copy(a)) == 2);
     assert(jv_number_value(jv_array_get(jv_copy(a), 0)) == 42);
     assert(jv_array_length(jv_array_get(jv_copy(a), 1)) == 1);
diff --git a/jv.c b/jv.c
index 4ed623f0..b03c024c 100644
--- a/jv.c
+++ b/jv.c
@@ -214,7 +214,7 @@ static jv* jvp_array_write(jv_nontrivial* a, int i) {
         array->elements[j] = JV_NULL;
       }
       array->length = imax(pos + 1, array->length);
-      a->i[1] = imax(pos + 1, array->length);
+      a->i[1] = imax(pos + 1, a->i[1]);
       return &array->elements[pos];
     }
   }