From c722f9084800c5516a220f9e2378969ac42804da Mon Sep 17 00:00:00 2001
From: Erik Hofman <erik@ehofman.com>
Date: Tue, 7 Jun 2016 12:59:16 +0200
Subject: [PATCH] Only throw an expection if buf == NULL..

---
 simgear/misc/sg_dir.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/simgear/misc/sg_dir.cxx b/simgear/misc/sg_dir.cxx
index ce69b4ac..34d25f9e 100644
--- a/simgear/misc/sg_dir.cxx
+++ b/simgear/misc/sg_dir.cxx
@@ -92,8 +92,10 @@ Dir Dir::current()
 #else
     char *buf = ::getcwd(NULL, 0);
 #endif
-    if (!buf && errno == 2) sg_exception("The current directory is invalid");
-    else throw sg_exception(strerror(errno));
+    if (!buf) {
+        if  (errno == 2) sg_exception("The current directory is invalid");
+        else throw sg_exception(strerror(errno));
+    }
 
     SGPath p(buf);
     free(buf);