| 1 | 
  | 
 
 
 
 
 
 | 2 | 
 #include "zfstream.h" | 
 
 
 
 
 
 | 3 | 
  | 
 
 
 
 
 
 | 4 | 
 int main() { | 
 
 
 
 
 
 | 5 | 
  | 
 
 
 
 
 
 | 6 | 
   // Construct a stream object with this filebuffer.  Anything sent | 
 
 
 
 
 
 | 7 | 
   // to this stream will go to standard out. | 
 
 
 
 
 
 | 8 | 
   gzofstream os( 1, ios::out ); | 
 
 
 
 
 
 | 9 | 
  | 
 
 
 
 
 
 | 10 | 
   // This text is getting compressed and sent to stdout. | 
 
 
 
 
 
 | 11 | 
   // To prove this, run 'test | zcat'. | 
 
 
 
 
 
 | 12 | 
   os << "Hello, Mommy" << endl; | 
 
 
 
 
 
 | 13 | 
  | 
 
 
 
 
 
 | 14 | 
   os << setcompressionlevel( Z_NO_COMPRESSION ); | 
 
 
 
 
 
 | 15 | 
   os << "hello, hello, hi, ho!" << endl; | 
 
 
 
 
 
 | 16 | 
  | 
 
 
 
 
 
 | 17 | 
   setcompressionlevel( os, Z_DEFAULT_COMPRESSION ) | 
 
 
 
 
 
 | 18 | 
     << "I'm compressing again" << endl; | 
 
 
 
 
 
 | 19 | 
  | 
 
 
 
 
 
 | 20 | 
   os.close(); | 
 
 
 
 
 
 | 21 | 
  | 
 
 
 
 
 
 | 22 | 
   return 0; | 
 
 
 
 
 
 | 23 | 
  | 
 
 
 
 
 
 | 24 | 
 } |