From 45228cada4c379fc1a290b1a0866f51e24396b47 Mon Sep 17 00:00:00 2001
From: Philipp Stephani <phst@google.com>
Date: Wed, 20 Dec 2017 18:27:04 +0100
Subject: [PATCH] Use a more specific error code for premature end of input

---
 src/load.c                  | 4 ++++
 test/suites/api/test_load.c | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/load.c b/src/load.c
index 339adfa..deb36f3 100644
--- a/src/load.c
+++ b/src/load.c
@@ -122,6 +122,10 @@ static void error_set(json_error_t *error, const lex_t *lex,
         }
         else
         {
+            if(code == json_error_invalid_syntax) {
+                /* More specific error code for premature end of file. */
+                code = json_error_premature_end_of_input;
+            }
             if(lex->stream.state == STREAM_STATE_ERROR) {
                 /* No context for UTF-8 decoding errors */
                 result = msg_text;
diff --git a/test/suites/api/test_load.c b/test/suites/api/test_load.c
index a708de5..a3bdc57 100644
--- a/test/suites/api/test_load.c
+++ b/test/suites/api/test_load.c
@@ -221,6 +221,14 @@ static void error_code()
         fail("error.text longer than expected");
     if(json_error_code(&error) != json_error_end_of_input_expected)
         fail("json_loads returned incorrect error code");
+
+    json = json_loads("{\"foo\": ", 0, &error);
+    if(json != NULL)
+        fail("json_loads returned not NULL");
+    if(strlen(error.text) >= JSON_ERROR_TEXT_LENGTH)
+        fail("error.text longer than expected");
+    if(json_error_code(&error) != json_error_premature_end_of_input)
+        fail("json_loads returned incorrect error code");
 }
 
 static void run_tests()