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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-12-12 13:38:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-12-12 13:38:52 +0000 |
commit | 5c80dc95d7b8e5341d621e6a4eccb6a6c52716b5 (patch) | |
tree | e597e01a819aa9c15dcfc02b8b0eaeb1ab56b0d4 /tarlz.h | |
parent | Adding upstream version 0.25. (diff) | |
download | tarlz-5c80dc95d7b8e5341d621e6a4eccb6a6c52716b5.tar.xz tarlz-5c80dc95d7b8e5341d621e6a4eccb6a6c52716b5.zip |
Adding upstream version 0.26.upstream/0.26upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tarlz.h')
-rw-r--r-- | tarlz.h | 35 |
1 files changed, 17 insertions, 18 deletions
@@ -81,9 +81,9 @@ inline int decimal_digits( unsigned long long value ) inline bool dotdot_at_i( const char * const filename, const int i ) { - return ( filename[i] == '.' && filename[i+1] == '.' && - ( i == 0 || filename[i-1] == '/' ) && - ( filename[i+2] == 0 || filename[i+2] == '/' ) ); + return filename[i] == '.' && filename[i+1] == '.' && + ( i == 0 || filename[i-1] == '/' ) && + ( filename[i+2] == 0 || filename[i+2] == '/' ); } @@ -244,10 +244,10 @@ class CRC32 uint32_t data[256]; // Table of CRCs of all 8-bit messages. public: - CRC32( const bool castagnoli = false ) + explicit CRC32( const bool castagnoli = false ) { - const unsigned cpol = 0x82F63B78U; // CRC32-C Castagnoli polynomial. - const unsigned ipol = 0xEDB88320U; // IEEE 802.3 Ethernet polynomial. + const unsigned cpol = 0x82F63B78U; // CRC32-C Castagnoli polynomial + const unsigned ipol = 0xEDB88320U; // IEEE 802.3 Ethernet polynomial const unsigned poly = castagnoli ? cpol : ipol; for( unsigned n = 0; n < 256; ++n ) @@ -275,8 +275,7 @@ public: uint32_t compute_crc( const uint8_t * const buffer, const int size ) const { uint32_t crc = 0xFFFFFFFFU; - for( int i = 0; i < size; ++i ) - crc = data[(crc^buffer[i])&0xFF] ^ ( crc >> 8 ); + update_buf( crc, buffer, size ); return crc ^ 0xFFFFFFFFU; } @@ -322,8 +321,8 @@ enum { inline bool isvalid_ds( const unsigned dictionary_size ) - { return ( dictionary_size >= min_dictionary_size && - dictionary_size <= max_dictionary_size ); } + { return dictionary_size >= min_dictionary_size && + dictionary_size <= max_dictionary_size; } const uint8_t lzip_magic[4] = { 0x4C, 0x5A, 0x49, 0x50 }; // "LZIP" @@ -335,14 +334,13 @@ struct Lzip_header // 4 version // 5 coded dictionary size - bool check_magic() const - { return ( std::memcmp( data, lzip_magic, 4 ) == 0 ); } + bool check_magic() const { return std::memcmp( data, lzip_magic, 4 ) == 0; } bool check_prefix( const int sz ) const // detect (truncated) header { for( int i = 0; i < sz && i < 4; ++i ) if( data[i] != lzip_magic[i] ) return false; - return ( sz > 0 ); + return sz > 0; } bool check_corrupt() const // detect corrupt header @@ -350,15 +348,15 @@ struct Lzip_header int matches = 0; for( int i = 0; i < 4; ++i ) if( data[i] == lzip_magic[i] ) ++matches; - return ( matches > 1 && matches < 4 ); + return matches > 1 && matches < 4; } uint8_t version() const { return data[4]; } - bool check_version() const { return ( data[4] == 1 ); } + bool check_version() const { return data[4] == 1; } unsigned dictionary_size() const { - unsigned sz = ( 1 << ( data[5] & 0x1F ) ); + unsigned sz = 1 << ( data[5] & 0x1F ); if( sz > min_dictionary_size ) sz -= ( sz / 16 ) * ( ( data[5] >> 5 ) & 7 ); return sz; @@ -488,7 +486,7 @@ const char * const eclosa_msg = "Error closing archive"; const char * const eclosf_msg = "Error closing file"; const char * const nfound_msg = "Not found in archive."; const char * const seek_msg = "Seek error"; -const char * const werr_msg = "Write error"; +const char * const wr_err_msg = "Write error"; const char * const chdir_msg = "Error changing working directory"; const char * const intdir_msg = "Failed to create intermediate directory"; @@ -521,7 +519,8 @@ void show_atpos_error( const char * const filename, const long long pos, int compress( const Cl_options & cl_opts ); // defined in create.cc -bool copy_file( const int infd, const int outfd, const long long max_size = -1 ); +bool copy_file( const int infd, const int outfd, const char * const filename, + const long long max_size = -1 ); bool writeblock_wrapper( const int outfd, const uint8_t * const buffer, const int size ); bool write_eoa_records( const int outfd, const bool compressed ); |