Merging upstream version 1.13.

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

1 files changed, 50 insertions, 52 deletions

diff --git a/lzip.h b/lzip.h
index 1c67344..d1c1753 100644
--- a/lzip.h
+++ b/lzip.h
@@ -1,5 +1,5 @@
 /*  Lziprecover - Data recovery tool for lzipped files
-    Copyright (C) 2009, 2010, 2011 Antonio Diaz Diaz.
+    Copyright (C) 2009, 2010, 2011, 2012 Antonio Diaz Diaz.
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -21,32 +21,32 @@ class State
 
 public:
   enum { states = 12 };
-  State() throw() : st( 0 ) {}
-  unsigned char operator()() const throw() { return st; }
-  bool is_char() const throw() { return st < 7; }
+  State() : st( 0 ) {}
+  unsigned char operator()() const { return st; }
+  bool is_char() const { return st < 7; }
 
-  void set_char() throw()
+  void set_char()
     {
     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()
+  void set_match()
     {
     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()
+  void set_rep()
     {
     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()
+  void set_short_rep()
     {
     static const unsigned char next[states] =
       { 9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11 };
@@ -87,7 +87,7 @@ enum {
 
   max_dis_states = 4 };
 
-inline int get_dis_state( int len ) throw()
+inline int get_dis_state( int len )
   {
   len -= min_match_len;
   if( len >= max_dis_states ) len = max_dis_states - 1;
@@ -102,7 +102,7 @@ enum { bit_model_move_bits = 5,
 struct Bit_model
   {
   unsigned int probability;
-  Bit_model() throw() : probability( bit_model_total / 2 ) {}
+  Bit_model() : probability( bit_model_total / 2 ) {}
   };
 
 
@@ -145,10 +145,10 @@ public:
     first_post = true;
     }
 
-  void reset() const throw() { if( name_.size() ) first_post = true; }
-  const char * name() const throw() { return name_.c_str(); }
-  int verbosity() const throw() { return verbosity_; }
-  void operator()( const char * const msg = 0 ) const throw();
+  void reset() const { if( name_.size() ) first_post = true; }
+  const char * name() const { return name_.c_str(); }
+  int verbosity() const { return verbosity_; }
+  void operator()( const char * const msg = 0 ) const;
   };
 
 
@@ -168,10 +168,10 @@ public:
       }
     }
 
-  uint32_t operator[]( const uint8_t byte ) const throw() { return data[byte]; }
-  void update( uint32_t & crc, const uint8_t byte ) const throw()
+  uint32_t operator[]( const uint8_t byte ) const { return data[byte]; }
+  void update( uint32_t & crc, const uint8_t byte ) const
     { crc = data[(crc^byte)&0xFF] ^ ( crc >> 8 ); }
-  void update( uint32_t & crc, const uint8_t * const buffer, const int size ) const throw()
+  void update( uint32_t & crc, const uint8_t * const buffer, const int size ) const
     {
     for( int i = 0; i < size; ++i )
       crc = data[(crc^buffer[i])&0xFF] ^ ( crc >> 8 );
@@ -181,14 +181,15 @@ public:
 extern const CRC32 crc32;
 
 
-inline int real_bits( const int value ) throw()
+inline int real_bits( const unsigned int value )
   {
-  int bits = 0;
-  for( int i = 1, mask = 1; mask > 0; ++i, mask <<= 1 )
-    if( value & mask ) bits = i;
+  int bits = 0, i = 1;
+  unsigned int mask = 1;
+  for( ; 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
@@ -198,16 +199,14 @@ struct File_header
 					//   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()
+  void set_magic() { std::memcpy( data, magic_string, 4 ); data[4] = 1; }
+  bool verify_magic() const
     { 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 ); }
+  uint8_t version() const { return data[4]; }
+  bool verify_version() const { return ( data[4] <= 1 ); }
 
-  int dictionary_size() const throw()
+  int dictionary_size() const
     {
     int sz = ( 1 << ( data[5] & 0x1F ) );
     if( sz > min_dictionary_size && sz <= max_dictionary_size )
@@ -215,7 +214,7 @@ struct File_header
     return sz;
     }
 
-  bool dictionary_size( const int sz ) throw()
+  bool dictionary_size( const int sz )
     {
     if( sz >= min_dictionary_size && sz <= max_dictionary_size )
       {
@@ -244,36 +243,36 @@ struct File_trailer
   static int size( const int version = 1 )
     { return ( ( version >= 1 ) ? 20 : 12 ); }
 
-  uint32_t data_crc() const throw()
+  uint32_t data_crc() const
     {
     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()
+  void data_crc( uint32_t crc )
     { for( int i = 0; i <= 3; ++i ) { data[i] = (uint8_t)crc; crc >>= 8; } }
 
-  long long data_size() const throw()
+  long long data_size() const
     {
     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()
+  void data_size( long long sz )
     {
     for( int i = 4; i <= 11; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; }
     }
 
-  long long member_size() const throw()
+  long long member_size() const
     {
     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()
+  void member_size( long long sz )
     {
     for( int i = 12; i <= 19; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; }
     }
@@ -283,7 +282,7 @@ struct File_trailer
 struct Error
   {
   const char * const msg;
-  Error( const char * const s ) throw() : msg( s ) {}
+  explicit Error( const char * const s ) : msg( s ) {}
   };
 
 
@@ -303,41 +302,40 @@ class Block
   long long pos_, size_;		// pos + size <= LLONG_MAX
 
 public:
-  Block( const long long p, const long long s ) throw()
-    : pos_( p ), size_( s ) {}
+  Block( const long long p, const long long s ) : pos_( p ), size_( s ) {}
 
-  long long pos() const throw() { return pos_; }
-  long long size() const throw() { return size_; }
-  long long end() const throw() { return pos_ + size_; }
+  long long pos() const { return pos_; }
+  long long size() const { return size_; }
+  long long end() const { return pos_ + size_; }
 
-  void pos( const long long p ) throw() { pos_ = p; }
-  void size( const long long s ) throw() { size_ = s; }
+  void pos( const long long p ) { pos_ = p; }
+  void size( const long long s ) { size_ = s; }
 
-  bool overlaps( const Block & b ) const throw()
+  bool overlaps( const Block & b ) const
     { return ( pos_ < b.end() && b.pos_ < end() ); }
-  void shift( Block & b ) throw() { ++size_; ++b.pos_; --b.size_; }
+  void shift( Block & b ) { ++size_; ++b.pos_; --b.size_; }
   };
 
 
 // defined in decoder.cc
-int readblock( const int fd, uint8_t * const buf, const int size ) throw();
-int writeblock( const int fd, const uint8_t * const buf, const int size ) throw();
+int readblock( const int fd, uint8_t * const buf, const int size );
+int writeblock( const int fd, const uint8_t * const buf, const int size );
 
 // defined in main.cc
 extern int verbosity;
 const char * format_num( long long num, long long limit = LLONG_MAX,
-                         const int set_prefix = 0 ) throw();
+                         const int set_prefix = 0 );
 int open_instream( const std::string & name, struct stat * const in_statsp,
-                   const bool to_stdout, const bool reg_only = false ) throw();
+                   const bool to_stdout, const bool reg_only = false );
 int open_outstream_rw( const std::string & output_filename,
-                       const bool force ) throw();
+                       const bool force );
 void show_error( const char * const msg, const int errcode = 0,
-                 const bool help = false ) throw();
+                 const bool help = false );
 void internal_error( const char * const msg );
 
 // defined in merge.cc
 void cleanup_and_fail( const std::string & output_filename,
-                       const int outfd, const int retval ) throw();
+                       const int outfd, const int retval );
 bool copy_file( const int infd, const int outfd,
                 const long long size = LLONG_MAX );
 bool try_decompress( const int fd, const long long file_size,