From f4a533846d31a50bcf3be5f617cc220387dd4e68 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Wed, 22 Jul 2009 12:58:49 +0000
Subject: [PATCH] 2009-07-22  Tatsuhiro Tsujikawa 
 <t-tujikawa@users.sourceforge.net>

	Rewritten Signature::save()
	* src/Signature.cc
---
 ChangeLog        |  5 +++++
 src/Signature.cc | 19 ++++++++++++-------
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 40da4e48..56aa2de6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-07-22  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Rewritten Signature::save()
+	* src/Signature.cc
+
 2009-07-22  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Rewritten stream error handling
diff --git a/src/Signature.cc b/src/Signature.cc
index 12d538f9..59618c1d 100644
--- a/src/Signature.cc
+++ b/src/Signature.cc
@@ -64,15 +64,20 @@ bool Signature::save(const std::string& filepath) const
   if(File(filepath).exists()) {
     return false;
   }
-  std::ofstream out(filepath.c_str(), std::ios::binary);
-  try {
-    out.exceptions(std::ios::failbit);
+  std::string tempFilepath = filepath;
+  tempFilepath += "__temp";
+  {
+    std::ofstream out(tempFilepath.c_str(), std::ios::binary);
+    if(!out) {
+      return false;
+    }
     out << _body;
-    out.close();
-    return true;
-  } catch(const std::ios::failure& exception) {
-    return false;
+    out.flush();
+    if(!out) {
+      return false;
+    }
   }
+  return File(tempFilepath).renameTo(filepath);
 }
 
 } // namespace aria2