head	1.1;
branch	1.1.1;
access;
symbols
	netbsd-11-0-RC6:1.1.1.1
	netbsd-11-0-RC5:1.1.1.1
	netbsd-11-0-RC4:1.1.1.1
	netbsd-11-0-RC3:1.1.1.1
	netbsd-11-0-RC2:1.1.1.1
	binutils-2-46:1.1.1.1
	netbsd-11-0-RC1:1.1.1.1
	binutils-2-45:1.1.1.1
	perseant-exfatfs-base-20250801:1.1.1.1
	netbsd-11:1.1.1.1.0.30
	netbsd-11-base:1.1.1.1
	netbsd-10-1-RELEASE:1.1.1.1
	perseant-exfatfs-base-20240630:1.1.1.1
	binutils-2-42:1.1.1.1
	perseant-exfatfs:1.1.1.1.0.28
	perseant-exfatfs-base:1.1.1.1
	netbsd-8-3-RELEASE:1.1.1.1
	netbsd-9-4-RELEASE:1.1.1.1
	netbsd-10-0-RELEASE:1.1.1.1
	netbsd-10-0-RC6:1.1.1.1
	netbsd-10-0-RC5:1.1.1.1
	netbsd-10-0-RC4:1.1.1.1
	netbsd-10-0-RC3:1.1.1.1
	netbsd-10-0-RC2:1.1.1.1
	netbsd-10-0-RC1:1.1.1.1
	binutils-2-39:1.1.1.1
	netbsd-10:1.1.1.1.0.26
	netbsd-10-base:1.1.1.1
	netbsd-9-3-RELEASE:1.1.1.1
	cjep_sun2x-base1:1.1.1.1
	cjep_sun2x:1.1.1.1.0.24
	cjep_sun2x-base:1.1.1.1
	cjep_staticlib_x-base1:1.1.1.1
	netbsd-9-2-RELEASE:1.1.1.1
	cjep_staticlib_x:1.1.1.1.0.22
	cjep_staticlib_x-base:1.1.1.1
	netbsd-9-1-RELEASE:1.1.1.1
	phil-wifi-20200421:1.1.1.1
	phil-wifi-20200411:1.1.1.1
	is-mlppp:1.1.1.1.0.20
	is-mlppp-base:1.1.1.1
	phil-wifi-20200406:1.1.1.1
	binutils-2-34:1.1.1.1
	netbsd-8-2-RELEASE:1.1.1.1
	netbsd-9-0-RELEASE:1.1.1.1
	netbsd-9-0-RC2:1.1.1.1
	netbsd-9-0-RC1:1.1.1.1
	phil-wifi-20191119:1.1.1.1
	netbsd-9:1.1.1.1.0.18
	netbsd-9-base:1.1.1.1
	phil-wifi-20190609:1.1.1.1
	netbsd-8-1-RELEASE:1.1.1.1
	netbsd-8-1-RC1:1.1.1.1
	pgoyette-compat-merge-20190127:1.1.1.1
	pgoyette-compat-20190127:1.1.1.1
	pgoyette-compat-20190118:1.1.1.1
	pgoyette-compat-1226:1.1.1.1
	pgoyette-compat-1126:1.1.1.1
	binutils-2-31-1:1.1.1.1
	pgoyette-compat-1020:1.1.1.1
	pgoyette-compat-0930:1.1.1.1
	pgoyette-compat-0906:1.1.1.1
	pgoyette-compat-0728:1.1.1.1
	netbsd-8-0-RELEASE:1.1.1.1
	phil-wifi:1.1.1.1.0.16
	phil-wifi-base:1.1.1.1
	pgoyette-compat-0625:1.1.1.1
	netbsd-8-0-RC2:1.1.1.1
	pgoyette-compat-0521:1.1.1.1
	pgoyette-compat-0502:1.1.1.1
	pgoyette-compat-0422:1.1.1.1
	netbsd-8-0-RC1:1.1.1.1
	pgoyette-compat-0415:1.1.1.1
	binutils-2-30:1.1.1.1
	pgoyette-compat-0407:1.1.1.1
	pgoyette-compat-0330:1.1.1.1
	pgoyette-compat-0322:1.1.1.1
	pgoyette-compat-0315:1.1.1.1
	pgoyette-compat:1.1.1.1.0.14
	pgoyette-compat-base:1.1.1.1
	matt-nb8-mediatek:1.1.1.1.0.12
	matt-nb8-mediatek-base:1.1.1.1
	perseant-stdc-iso10646:1.1.1.1.0.10
	perseant-stdc-iso10646-base:1.1.1.1
	netbsd-8:1.1.1.1.0.8
	netbsd-8-base:1.1.1.1
	prg-localcount2-base3:1.1.1.1
	prg-localcount2-base2:1.1.1.1
	prg-localcount2-base1:1.1.1.1
	prg-localcount2:1.1.1.1.0.6
	prg-localcount2-base:1.1.1.1
	pgoyette-localcount-20170426:1.1.1.1
	bouyer-socketcan-base1:1.1.1.1
	pgoyette-localcount-20170320:1.1.1.1
	bouyer-socketcan:1.1.1.1.0.4
	bouyer-socketcan-base:1.1.1.1
	pgoyette-localcount-20170107:1.1.1.1
	pgoyette-localcount-20161104:1.1.1.1
	binutils-2-27:1.1.1.1
	localcount-20160914:1.1.1.1
	pgoyette-localcount-20160806:1.1.1.1
	binutils-2-26-1:1.1.1.1
	pgoyette-localcount-20160726:1.1.1.1
	pgoyette-localcount:1.1.1.1.0.2
	pgoyette-localcount-base:1.1.1.1
	binutils-2-26:1.1.1.1
	FSF:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2016.01.29.12.45.33;	author christos;	state Exp;
branches
	1.1.1.1;
next	;
commitid	B0qHLT45wK2yhPSy;

1.1.1.1
date	2016.01.29.12.45.33;	author christos;	state Exp;
branches;
next	;
commitid	B0qHLT45wK2yhPSy;


desc
@@


1.1
log
@Initial revision
@
text
@
#include "zfstream.h"

gzfilebuf::gzfilebuf() :
  file(NULL),
  mode(0),
  own_file_descriptor(0)
{ }

gzfilebuf::~gzfilebuf() {

  sync();
  if ( own_file_descriptor )
    close();

}

gzfilebuf *gzfilebuf::open( const char *name,
                            int io_mode ) {

  if ( is_open() )
    return NULL;

  char char_mode[10];
  char *p = char_mode;

  if ( io_mode & ios::in ) {
    mode = ios::in;
    *p++ = 'r';
  } else if ( io_mode & ios::app ) {
    mode = ios::app;
    *p++ = 'a';
  } else {
    mode = ios::out;
    *p++ = 'w';
  }

  if ( io_mode & ios::binary ) {
    mode |= ios::binary;
    *p++ = 'b';
  }

  // Hard code the compression level
  if ( io_mode & (ios::out|ios::app )) {
    *p++ = '9';
  }

  // Put the end-of-string indicator
  *p = '\0';

  if ( (file = gzopen(name, char_mode)) == NULL )
    return NULL;

  own_file_descriptor = 1;

  return this;

}

gzfilebuf *gzfilebuf::attach( int file_descriptor,
                              int io_mode ) {

  if ( is_open() )
    return NULL;

  char char_mode[10];
  char *p = char_mode;

  if ( io_mode & ios::in ) {
    mode = ios::in;
    *p++ = 'r';
  } else if ( io_mode & ios::app ) {
    mode = ios::app;
    *p++ = 'a';
  } else {
    mode = ios::out;
    *p++ = 'w';
  }

  if ( io_mode & ios::binary ) {
    mode |= ios::binary;
    *p++ = 'b';
  }

  // Hard code the compression level
  if ( io_mode & (ios::out|ios::app )) {
    *p++ = '9';
  }

  // Put the end-of-string indicator
  *p = '\0';

  if ( (file = gzdopen(file_descriptor, char_mode)) == NULL )
    return NULL;

  own_file_descriptor = 0;

  return this;

}

gzfilebuf *gzfilebuf::close() {

  if ( is_open() ) {

    sync();
    gzclose( file );
    file = NULL;

  }

  return this;

}

int gzfilebuf::setcompressionlevel( int comp_level ) {

  return gzsetparams(file, comp_level, -2);

}

int gzfilebuf::setcompressionstrategy( int comp_strategy ) {

  return gzsetparams(file, -2, comp_strategy);

}


streampos gzfilebuf::seekoff( streamoff off, ios::seek_dir dir, int which ) {

  return streampos(EOF);

}

int gzfilebuf::underflow() {

  // If the file hasn't been opened for reading, error.
  if ( !is_open() || !(mode & ios::in) )
    return EOF;

  // if a buffer doesn't exists, allocate one.
  if ( !base() ) {

    if ( (allocate()) == EOF )
      return EOF;
    setp(0,0);

  } else {

    if ( in_avail() )
      return (unsigned char) *gptr();

    if ( out_waiting() ) {
      if ( flushbuf() == EOF )
        return EOF;
    }

  }

  // Attempt to fill the buffer.

  int result = fillbuf();
  if ( result == EOF ) {
    // disable get area
    setg(0,0,0);
    return EOF;
  }

  return (unsigned char) *gptr();

}

int gzfilebuf::overflow( int c ) {

  if ( !is_open() || !(mode & ios::out) )
    return EOF;

  if ( !base() ) {
    if ( allocate() == EOF )
      return EOF;
    setg(0,0,0);
  } else {
    if (in_avail()) {
        return EOF;
    }
    if (out_waiting()) {
      if (flushbuf() == EOF)
        return EOF;
    }
  }

  int bl = blen();
  setp( base(), base() + bl);

  if ( c != EOF ) {

    *pptr() = c;
    pbump(1);

  }

  return 0;

}

int gzfilebuf::sync() {

  if ( !is_open() )
    return EOF;

  if ( out_waiting() )
    return flushbuf();

  return 0;

}

int gzfilebuf::flushbuf() {

  int n;
  char *q;

  q = pbase();
  n = pptr() - q;

  if ( gzwrite( file, q, n) < n )
    return EOF;

  setp(0,0);

  return 0;

}

int gzfilebuf::fillbuf() {

  int required;
  char *p;

  p = base();

  required = blen();

  int t = gzread( file, p, required );

  if ( t <= 0) return EOF;

  setg( base(), base(), base()+t);

  return t;

}

gzfilestream_common::gzfilestream_common() :
  ios( gzfilestream_common::rdbuf() )
{ }

gzfilestream_common::~gzfilestream_common()
{ }

void gzfilestream_common::attach( int fd, int io_mode ) {

  if ( !buffer.attach( fd, io_mode) )
    clear( ios::failbit | ios::badbit );
  else
    clear();

}

void gzfilestream_common::open( const char *name, int io_mode ) {

  if ( !buffer.open( name, io_mode ) )
    clear( ios::failbit | ios::badbit );
  else
    clear();

}

void gzfilestream_common::close() {

  if ( !buffer.close() )
    clear( ios::failbit | ios::badbit );

}

gzfilebuf *gzfilestream_common::rdbuf()
{
  return &buffer;
}

gzifstream::gzifstream() :
  ios( gzfilestream_common::rdbuf() )
{
  clear( ios::badbit );
}

gzifstream::gzifstream( const char *name, int io_mode ) :
  ios( gzfilestream_common::rdbuf() )
{
  gzfilestream_common::open( name, io_mode );
}

gzifstream::gzifstream( int fd, int io_mode ) :
  ios( gzfilestream_common::rdbuf() )
{
  gzfilestream_common::attach( fd, io_mode );
}

gzifstream::~gzifstream() { }

gzofstream::gzofstream() :
  ios( gzfilestream_common::rdbuf() )
{
  clear( ios::badbit );
}

gzofstream::gzofstream( const char *name, int io_mode ) :
  ios( gzfilestream_common::rdbuf() )
{
  gzfilestream_common::open( name, io_mode );
}

gzofstream::gzofstream( int fd, int io_mode ) :
  ios( gzfilestream_common::rdbuf() )
{
  gzfilestream_common::attach( fd, io_mode );
}

gzofstream::~gzofstream() { }
@


1.1.1.1
log
@Import binutils-2.26
@
text
@@