Created SILC Crypto Toolkit git repository.

[crypto.git] / lib / zlib / contrib / iostream / zfstream.cpp

diff --git a/lib/zlib/contrib/iostream/zfstream.cpp b/lib/zlib/contrib/iostream/zfstream.cpp
deleted file mode 100644 (file)
index a690bbe..0000000
--- a/lib/zlib/contrib/iostream/zfstream.cpp
+++ /dev/null
@@ -1,329 +0,0 @@
-
-#include <memory.h>
-#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;
-  memset(char_mode,'\0',10);
-  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';
-  }
-
-  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;
-  memset(char_mode,'\0',10);
-  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';
-  }
-
-  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( short comp_level ) {
-
-  return gzsetparams(file, comp_level, -2);
-
-}
-
-int gzfilebuf::setcompressionstrategy( short 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() { }