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README

      1 These classes provide a C++ stream interface to the zlib library. It allows you
      2 to do things like:
      3 
      4   gzofstream outf("blah.gz");
      5   outf << "These go into the gzip file " << 123 << endl;
      6 
      7 It does this by deriving a specialized stream buffer for gzipped files, which is
      8 the way Stroustrup would have done it. :->
      9 
     10 The gzifstream and gzofstream classes were originally written by Kevin Ruland
     11 and made available in the zlib contrib/iostream directory. The older version still
     12 compiles under gcc 2.xx, but not under gcc 3.xx, which sparked the development of
     13 this version.
     14 
     15 The new classes are as standard-compliant as possible, closely following the
     16 approach of the standard library's fstream classes. It compiles under gcc versions
     17 3.2 and 3.3, but not under gcc 2.xx. This is mainly due to changes in the standard
     18 library naming scheme. The new version of gzifstream/gzofstream/gzfilebuf differs
     19 from the previous one in the following respects:
     20 - added showmanyc
     21 - added setbuf, with support for unbuffered output via setbuf(0,0)
     22 - a few bug fixes of stream behavior
     23 - gzipped output file opened with default compression level instead of maximum level
     24 - setcompressionlevel()/strategy() members replaced by single setcompression()
     25 
     26 The code is provided "as is", with the permission to use, copy, modify, distribute
     27 and sell it for any purpose without fee.
     28 
     29 Ludwig Schwardt
     30 <schwardt (a] sun.ac.za>
     31 
     32 DSP Lab
     33 Electrical & Electronic Engineering Department
     34 University of Stellenbosch
     35 South Africa
     36