From 3d6f35827af229c507f64edff12113ce3b9abebb Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Fri, 7 Jun 2019 22:10:13 +0200
Subject: [PATCH] interrogate: exit with nonzero status when failing to write
 -oc/od

Fixes #666
---
 dtool/src/interrogate/interrogate.cxx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/dtool/src/interrogate/interrogate.cxx b/dtool/src/interrogate/interrogate.cxx
index e3cab85a6b..8a69843bb3 100644
--- a/dtool/src/interrogate/interrogate.cxx
+++ b/dtool/src/interrogate/interrogate.cxx
@@ -574,6 +574,8 @@ main(int argc, char **argv) {
     the_output_include = &output_include;
   }
 
+  int status = 0;
+
   // Now output all of the wrapper functions.
   if (!output_code_filename.empty())
   {
@@ -595,6 +597,7 @@ main(int argc, char **argv) {
 
     if (output_code.fail()) {
       nout << "Unable to write to " << output_code_filename << "\n";
+      status = -1;
     } else {
       builder.write_code(output_code,the_output_include, def);
     }
@@ -609,13 +612,13 @@ main(int argc, char **argv) {
     pofstream output_data;
     output_data_filename.open_write(output_data);
 
-    if (output_data.fail())
-    {
+    if (output_data.fail()) {
       nout << "Unable to write to " << output_data_filename << "\n";
+      status = -1;
     } else {
       InterrogateDatabase::get_ptr()->write(output_data, def);
     }
   }
 
-  return (0);
+  return status;
 }