Fix multiple string multiplication

itchyny · May 26, 2020 · 9163e09 · 9163e09
1 parent 15fa1de
commit 9163e09
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/builtin.c b/src/builtin.c
@@ -322,14 +322,15 @@ static jv f_multiply(jq_state *jq, jv input, jv a, jv b) {
  }
  int n;
  size_t alen = jv_string_length_bytes(jv_copy(str));
- jv res = str;
+ jv res = jv_copy(str);
 
  for (n = jv_number_value(num) - 1; n > 0; n--)
  res = jv_string_append_buf(res, jv_string_value(str), alen);
 
+ jv_free(str);
  jv_free(num);
  if (n < 0) {
- jv_free(str);
+ jv_free(res);
  return jv_null();
  }
  return res;