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Subject: [Boost-users] iostreams gzip/zlib: different behavior with msvc 32 bit vs 64 bit (boost 1.53)
From: Simon Haegler (shaegler_at_[hidden])
Date: 2015-01-07 12:05:29
dear boost users
if i compile & run the test code below with msvc 2010 SP1 *64 bit*, both
variants (gzip/zlib) work as expected. however, compiling the same with
msvc 2010 SP1 *32 bit*, the gzip_decompressor aborts with
Assertion failed: 0, file libs\iostreams\src\gzip.cpp, line 127
looking at the debug stack trace, the decompressor chokes on some header
byte.
i tested with boost 1.53. did anybody encounter the same?
TIA,
simon
here is my test code:
BOOST_AUTO_TEST_SUITE(CompressionTests)
const std::string SOME_DATA = "yadda yadda duh";
BOOST_AUTO_TEST_CASE(boost_zlib) {
const std::string p = "C:\\temp\\compressed.zlib";
{
boost::iostreams::filtering_ostream out;
out.push(boost::iostreams::zlib_compressor());
out.push(boost::iostreams::file_sink(p, std::ios_base::binary));
out << SOME_DATA;
boost::iostreams::close(out);
}
std::string result;
{
boost::iostreams::filtering_istream in;
in.push(boost::iostreams::zlib_decompressor());
in.push(boost::iostreams::file_source(p, std::ios_base::binary));
result.assign((std::istreambuf_iterator<char>(in)),
(std::istreambuf_iterator<char>()));
boost::iostreams::close(in);
}
BOOST_CHECK_EQUAL(result, SOME_DATA);
}
BOOST_AUTO_TEST_CASE(boost_gzip) {
const std::string p = "C:\\temp\\compressed.gzip";
{
boost::iostreams::filtering_ostream out;
out.push(boost::iostreams::gzip_compressor());
out.push(boost::iostreams::file_sink(p, std::ios_base::binary));
out << SOME_DATA;
boost::iostreams::close(out);
}
std::string result;
{
boost::iostreams::filtering_istream in;
in.push(boost::iostreams::gzip_decompressor());
in.push(boost::iostreams::file_source(p, std::ios_base::binary));
result.assign((std::istreambuf_iterator<char>(in)),
(std::istreambuf_iterator<char>()));
boost::iostreams::close(in);
}
BOOST_CHECK_EQUAL(result, SOME_DATA);
}
BOOST_AUTO_TEST_SUITE_END()
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