README
上传用户:rrhhcc
上传日期:2015-12-11
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- These classes provide a C++ stream interface to the zlib library. It allows you
- to do things like:
- gzofstream outf("blah.gz");
- outf << "These go into the gzip file " << 123 << endl;
- It does this by deriving a specialized stream buffer for gzipped files, which is
- the way Stroustrup would have done it. :->
- The gzifstream and gzofstream classes were originally written by Kevin Ruland
- and made available in the zlib contrib/iostream directory. The older version still
- compiles under gcc 2.xx, but not under gcc 3.xx, which sparked the development of
- this version.
- The new classes are as standard-compliant as possible, closely following the
- approach of the standard library's fstream classes. It compiles under gcc versions
- 3.2 and 3.3, but not under gcc 2.xx. This is mainly due to changes in the standard
- library naming scheme. The new version of gzifstream/gzofstream/gzfilebuf differs
- from the previous one in the following respects:
- - added showmanyc
- - added setbuf, with support for unbuffered output via setbuf(0,0)
- - a few bug fixes of stream behavior
- - gzipped output file opened with default compression level instead of maximum level
- - setcompressionlevel()/strategy() members replaced by single setcompression()
- The code is provided "as is", with the permission to use, copy, modify, distribute
- and sell it for any purpose without fee.
- Ludwig Schwardt
- <schwardt@sun.ac.za>
- DSP Lab
- Electrical & Electronic Engineering Department
- University of Stellenbosch
- South Africa