Add an INTERNAL_ERROR macro and use it for all internal errors.

We were previously just doing fprintf;exit at each point, but I
wanted to add file and line-number details to all messages, so it
makes sense to use a single macro for that.

1 files changed, 1 insertions, 2 deletions

diff --git a/query.cc b/query.cc
index f5ee7aa..88d76ef 100644
--- a/query.cc
+++ b/query.cc
@@ -178,8 +178,7 @@ notmuch_results_get (notmuch_results_t *results)
     if (message == NULL &&
 	status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND)
     {
-	fprintf (stderr, "Internal error: a results iterator contains a non-existent document ID.\n");
-	exit (1);
+	INTERNAL_ERROR ("a results iterator contains a non-existent document ID.\n");
     }
 
     return message;