Ensure there is remaining input in nextChar

ee15e86c · Kamal Marhubi · 8cafa9a6 · ee15e86c
Commit ee15e86c authored Nov 09, 2015 by Kamal Marhubi
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json.c++ c++/src/capnp/compat/json.c++ +1 -0

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--- a/c++/src/capnp/compat/json.c++
+++ b/c++/src/capnp/compat/json.c++
@@ -474,6 +474,7 @@ public:
  }

  char nextChar() {
+    KJ_REQUIRE(remaining_.size() > 0, "JSON message ends prematurely.");
    return remaining_.front();
  }