From eb1c6adbc7e5f526b2df7357ff96cc93c0f7a166 Mon Sep 17 00:00:00 2001
From: Florent Rougon <f.rougon@free.fr>
Date: Wed, 28 Sep 2016 01:32:47 +0200
Subject: [PATCH] fix.dat parser: correct use of sg_io_exception

- For sg_io_exception's constructor, 'location' is not the same as
  'origin'.
- Use simgear::strutils::error_string() to provide details on the error.
---
 src/Navaids/fixlist.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Navaids/fixlist.cxx b/src/Navaids/fixlist.cxx
index 2cc02d463..d8e03bf56 100644
--- a/src/Navaids/fixlist.cxx
+++ b/src/Navaids/fixlist.cxx
@@ -66,9 +66,11 @@ void FixesLoader::loadFixes(const SGPath& path)
   const std::string utf8path = path.utf8Str();
 
   if ( !in.is_open() ) {
-      throw sg_io_exception("Cannot open file:", path);
+    throw sg_io_exception(
+      "Cannot open file (" + simgear::strutils::error_string(errno) + ")",
+      sg_location(path));
   }
-  
+
   // toss the first two lines of the file
   for (int i = 0; i < 2; i++) {
     in >> skipeol;