From 177380015f8d5d192ca1112a9d959734c031314c Mon Sep 17 00:00:00 2001
From: Andreas Naumann <andreas.naumann@tu-dresden.de>
Date: Sun, 24 Oct 2010 19:14:46 +0000
Subject: [PATCH] boost::iostreams truncate bug
---
AMDiS/src/VtkWriter.cc | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/AMDiS/src/VtkWriter.cc b/AMDiS/src/VtkWriter.cc
index 2153ae00..7b997d58 100644
--- a/AMDiS/src/VtkWriter.cc
+++ b/AMDiS/src/VtkWriter.cc
@@ -29,16 +29,21 @@ namespace AMDiS {
switch (compress) {
case GZIP:
file.push(boost::iostreams::gzip_compressor());
- file.push(boost::iostreams::file_descriptor_sink(name.append(".gz")));
+ name.append(".gz");
break;
case BZIP2:
file.push(boost::iostreams::bzip2_compressor());
- file.push(boost::iostreams::file_descriptor_sink(name.append(".bz2")));
+ name.append(".bz2");
break;
default:
- file.push(boost::iostreams::file_descriptor_sink(name));
break;
- }
+ }
+ {
+ //boost::iostreams seems not to truncate the file
+ std::ofstream swapfile(name.c_str(), std::ios::out | std::ios::trunc);
+ swapfile.close();
+ }
+ file.push(boost::iostreams::file_descriptor_sink(name, std::ios::trunc));
writeFileToStream(file);
#else
--
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