From 1291320053888523bab9f5f471340b704be79376 Mon Sep 17 00:00:00 2001
From: Houtan Bastani <houtan@dynare.org>
Date: Fri, 4 Oct 2019 11:18:03 +0200
Subject: [PATCH] macro processor: handle empty files
---
src/macro/Driver.cc | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/macro/Driver.cc b/src/macro/Driver.cc
index 2661091a..689d128a 100644
--- a/src/macro/Driver.cc
+++ b/src/macro/Driver.cc
@@ -50,6 +50,11 @@ Driver::parse(const string &file_arg, const string &basename_arg, istream &modfi
istream is(command_line_defines_with_endl.rdbuf());
m.parse("command_line_defines", "command_line_defines", is, output, debug, vector<pair<string, string>>{}, paths);
}
+
+ // Handle empty files
+ if (modfile.rdbuf()->in_avail() == 0)
+ return;
+
stringstream file_with_endl;
file_with_endl << modfile.rdbuf() << endl;
--
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