Adding upstream version 1.3.upstream/1.3

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 0 insertions, 297 deletions

diff --git a/lzip.h b/lzip.h
deleted file mode 100644
index bc56353..0000000
--- a/lzip.h
+++ /dev/null
@@ -1,297 +0,0 @@
-/*  Lzlib - A compression library for lzip files
-    Copyright (C) 2009, 2010, 2011 Antonio Diaz Diaz.
-
-    This library is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this library.  If not, see <http://www.gnu.org/licenses/>.
-
-    As a special exception, you may use this file as part of a free
-    software library without restriction.  Specifically, if other files
-    instantiate templates or use macros or inline functions from this
-    file, or you compile this file and link it with other files to
-    produce an executable, this file does not by itself cause the
-    resulting executable to be covered by the GNU General Public
-    License.  This exception does not however invalidate any other
-    reasons why the executable file might be covered by the GNU General
-    Public License.
-*/
-
-namespace Lzlib {
-
-class State
-  {
-  unsigned char st;
-
-public:
-  enum { states = 12 };
-  State() throw() : st( 0 ) {}
-  unsigned char operator()() const throw() { return st; }
-  bool is_char() const throw() { return st < 7; }
-
-  void set_char() throw()
-    {
-    static const unsigned char next[states] =
-      { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5 };
-    st = next[st];
-    }
-
-  void set_match() throw()
-    {
-    static const unsigned char next[states] =
-      { 7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10 };
-    st = next[st];
-    }
-
-  void set_rep() throw()
-    {
-    static const unsigned char next[states] =
-      { 8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11 };
-    st = next[st];
-    }
-
-  void set_short_rep() throw()
-    {
-    static const unsigned char next[states] =
-      { 9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11 };
-    st = next[st];
-    }
-  };
-
-
-enum {
-  min_dictionary_bits = 12,
-  min_dictionary_size = 1 << min_dictionary_bits,
-  max_dictionary_bits = 29,
-  max_dictionary_size = 1 << max_dictionary_bits,
-  literal_context_bits = 3,
-  pos_state_bits = 2,
-  pos_states = 1 << pos_state_bits,
-  pos_state_mask = pos_states - 1,
-
-  dis_slot_bits = 6,
-  start_dis_model = 4,
-  end_dis_model = 14,
-  modeled_distances = 1 << (end_dis_model / 2),
-  dis_align_bits = 4,
-  dis_align_size = 1 << dis_align_bits,
-
-  len_low_bits = 3,
-  len_mid_bits = 3,
-  len_high_bits = 8,
-  len_low_symbols = 1 << len_low_bits,
-  len_mid_symbols = 1 << len_mid_bits,
-  len_high_symbols = 1 << len_high_bits,
-  max_len_symbols = len_low_symbols + len_mid_symbols + len_high_symbols,
-
-  min_match_len = 2,		// must be 2
-  max_match_len = min_match_len + max_len_symbols - 1,	// 273
-  min_match_len_limit = 5,
-
-  max_dis_states = 4 };
-
-inline int get_dis_state( int len ) throw()
-  {
-  len -= min_match_len;
-  if( len >= max_dis_states ) len = max_dis_states - 1;
-  return len;
-  }
-
-
-enum { bit_model_move_bits = 5,
-       bit_model_total_bits = 11,
-       bit_model_total = 1 << bit_model_total_bits };
-
-struct Bit_model
-  {
-  unsigned int probability;
-  Bit_model() throw() : probability( bit_model_total / 2 ) {}
-  };
-
-
-class CRC32
-  {
-  uint32_t data[256];		// Table of CRCs of all 8-bit messages.
-
-public:
-  CRC32()
-    {
-    for( unsigned int n = 0; n < 256; ++n )
-      {
-      unsigned int c = n;
-      for( int k = 0; k < 8; ++k )
-        { if( c & 1 ) c = 0xEDB88320U ^ ( c >> 1 ); else c >>= 1; }
-      data[n] = c;
-      }
-    }
-
-  uint32_t operator[]( const uint8_t byte ) const throw() { return data[byte]; }
-  void update( uint32_t & crc, const uint8_t byte ) const throw()
-    { crc = data[(crc^byte)&0xFF] ^ ( crc >> 8 ); }
-  void update( uint32_t & crc, const uint8_t * const buffer, const int size ) const throw()
-    {
-    for( int i = 0; i < size; ++i )
-      crc = data[(crc^buffer[i])&0xFF] ^ ( crc >> 8 );
-    }
-  };
-
-extern const CRC32 crc32;
-
-
-inline int real_bits( const int value ) throw()
-  {
-  int bits = 0;
-  for( int i = 1, mask = 1; mask > 0; ++i, mask <<= 1 )
-    if( value & mask ) bits = i;
-  return bits;
-  }
-
-const uint8_t magic_string[4] = { 'L', 'Z', 'I', 'P' };
-
-struct File_header
-  {
-  uint8_t data[6];			// 0-3 magic bytes
-					//   4 version
-					//   5 coded_dict_size
-  enum { size = 6 };
-
-  void set_magic() throw()
-    { std::memcpy( data, magic_string, 4 ); data[4] = 1; }
-
-  bool verify_magic() const throw()
-    { return ( std::memcmp( data, magic_string, 4 ) == 0 ); }
-
-  uint8_t version() const throw() { return data[4]; }
-  bool verify_version() const throw() { return ( data[4] <= 1 ); }
-
-  bool verify() const throw()
-    {
-    return ( verify_magic() && verify_version() &&
-             dictionary_size() >= min_dictionary_size &&
-             dictionary_size() <= max_dictionary_size );
-    }
-
-  int dictionary_size() const throw()
-    {
-    int sz = ( 1 << ( data[5] & 0x1F ) );
-    if( sz > min_dictionary_size && sz <= max_dictionary_size )
-      sz -= ( sz / 16 ) * ( ( data[5] >> 5 ) & 0x07 );
-    return sz;
-    }
-
-  bool dictionary_size( const int sz ) throw()
-    {
-    if( sz >= min_dictionary_size && sz <= max_dictionary_size )
-      {
-      data[5] = real_bits( sz - 1 );
-      if( sz > min_dictionary_size )
-        {
-        const int base_size = 1 << data[5];
-        const int wedge = base_size / 16;
-        for( int i = 7; i >= 1; --i )
-          if( base_size - ( i * wedge ) >= sz )
-            { data[5] |= ( i << 5 ); break; }
-        }
-      return true;
-      }
-    return false;
-    }
-  };
-
-
-struct File_trailer
-  {
-  uint8_t data[20];	//  0-3  CRC32 of the uncompressed data
-			//  4-11 size of the uncompressed data
-			// 12-19 member size including header and trailer
-
-  static int size( const int version = 1 )
-    { return ( ( version >= 1 ) ? 20 : 12 ); }
-
-  uint32_t data_crc() const throw()
-    {
-    uint32_t tmp = 0;
-    for( int i = 3; i >= 0; --i ) { tmp <<= 8; tmp += data[i]; }
-    return tmp;
-    }
-
-  void data_crc( uint32_t crc ) throw()
-    { for( int i = 0; i <= 3; ++i ) { data[i] = (uint8_t)crc; crc >>= 8; } }
-
-  long long data_size() const throw()
-    {
-    long long tmp = 0;
-    for( int i = 11; i >= 4; --i ) { tmp <<= 8; tmp += data[i]; }
-    return tmp;
-    }
-
-  void data_size( long long sz ) throw()
-    {
-    for( int i = 4; i <= 11; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; }
-    }
-
-  long long member_size() const throw()
-    {
-    long long tmp = 0;
-    for( int i = 19; i >= 12; --i ) { tmp <<= 8; tmp += data[i]; }
-    return tmp;
-    }
-
-  void member_size( long long sz ) throw()
-    {
-    for( int i = 12; i <= 19; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; }
-    }
-  };
-
-
-class Circular_buffer
-  {
-protected:
-  const int buffer_size;	// capacity == buffer_size - 1
-  uint8_t * const buffer;
-  int get;			// buffer is empty when get == put
-  int put;
-
-  void reset() throw() { get = 0; put = 0; }
-
-public:
-  Circular_buffer( const int buf_size )
-    :
-    buffer_size( buf_size + 1 ),
-    buffer( new uint8_t[buffer_size] ),
-    get( 0 ),
-    put( 0 ) {}
-
-  ~Circular_buffer() { delete[] buffer; }
-
-  int used_bytes() const throw()
-    { return ( (get <= put) ? 0 : buffer_size ) + put - get; }
-  int free_bytes() const throw()
-    { return ( (get <= put) ? buffer_size : 0 ) - put + get - 1; }
-
-  uint8_t get_byte() throw()
-    {
-    const uint8_t b = buffer[get];
-    if( ++get >= buffer_size ) get = 0;
-    return b;
-    }
-
-  void put_byte( const uint8_t b ) throw()
-    {
-    buffer[put] = b;
-    if( ++put >= buffer_size ) put = 0;
-    }
-
-  int read_data( uint8_t * const out_buffer, const int out_size ) throw();
-  int write_data( const uint8_t * const in_buffer, const int in_size ) throw();
-  };
-
-} // end namespace Lzlib