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
