diff options
author | Daniel Baumann <mail@daniel-baumann.ch> | 2015-11-07 15:54:34 +0000 |
---|---|---|
committer | Daniel Baumann <mail@daniel-baumann.ch> | 2015-11-07 15:54:34 +0000 |
commit | 0365128151213dce330455157d2d98630a8216d2 (patch) | |
tree | c724560cc31cc2161d214eaeb2fbfcfa58eb010f | |
parent | Adding upstream version 1.4~rc1. (diff) | |
download | plzip-0365128151213dce330455157d2d98630a8216d2.tar.xz plzip-0365128151213dce330455157d2d98630a8216d2.zip |
Adding upstream version 1.4.upstream/1.4
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to '')
-rw-r--r-- | ChangeLog | 11 | ||||
-rw-r--r-- | INSTALL | 4 | ||||
-rw-r--r-- | NEWS | 2 | ||||
-rw-r--r-- | compress.cc | 13 | ||||
-rwxr-xr-x | configure | 2 | ||||
-rw-r--r-- | dec_stdout.cc | 2 | ||||
-rw-r--r-- | dec_stream.cc | 2 | ||||
-rw-r--r-- | decompress.cc | 23 | ||||
-rw-r--r-- | doc/plzip.1 | 6 | ||||
-rw-r--r-- | doc/plzip.info | 112 | ||||
-rw-r--r-- | doc/plzip.texi | 93 | ||||
-rw-r--r-- | file_index.cc | 2 | ||||
-rw-r--r-- | file_index.h | 2 | ||||
-rw-r--r-- | lzip.h | 12 | ||||
-rw-r--r-- | main.cc | 76 | ||||
-rwxr-xr-x | testsuite/check.sh | 1 |
16 files changed, 182 insertions, 181 deletions
@@ -1,12 +1,7 @@ -2015-05-23 Antonio Diaz Diaz <antonio@gnu.org> +2015-07-09 Antonio Diaz Diaz <antonio@gnu.org> - * Version 1.4-rc1 released. - * Show default '--data-size' in '--help' output. - -2015-02-25 Antonio Diaz Diaz <antonio@gnu.org> - - * Version 1.4-pre1 released. - * Option '-0' now uses the fast encoder of lzlib 1.7-pre1. + * Version 1.4 released. + * Option '-0' now uses the fast encoder of lzlib 1.7. 2015-01-22 Antonio Diaz Diaz <antonio@gnu.org> @@ -3,8 +3,8 @@ Requirements You will need a C++ compiler and the lzlib compression library installed. I use gcc 4.9.1 and 4.1.2, but the code should compile with any standards compliant compiler. -Lzlib must be version 1.0 or newer. -The fast encoder is only available in lzlib 1.7-pre1 or newer. +Lzlib must be version 1.0 or newer, but the fast encoder is only +available in lzlib 1.7 or newer. Gcc is available at http://gcc.gnu.org. Lzlib is available at http://www.nongnu.org/lzip/lzlib.html. @@ -1,5 +1,5 @@ Changes in version 1.4: The option "-0" has been modified to use the new fast encoder of lzlib -1.7, achieving a compression speed and ratio comparable to those of +1.7, which achieves a compression speed and ratio comparable to those of pigz's default compression level. diff --git a/compress.cc b/compress.cc index 1f0ae5d..ecc7e5e 100644 --- a/compress.cc +++ b/compress.cc @@ -375,11 +375,10 @@ extern "C" void * cworker( void * arg ) Packet * const packet = courier.distribute_packet(); if( !packet ) break; // no more packets to process - int dict_size; - if( dictionary_size == 65535 && match_len_limit == 16 ) - dict_size = dictionary_size; - else dict_size = std::max( LZ_min_dictionary_size(), - std::min( dictionary_size, packet->size ) ); + const bool fast = dictionary_size == 65535 && match_len_limit == 16; + const int dict_size = fast ? dictionary_size : + std::max( std::min( dictionary_size, packet->size ), + LZ_min_dictionary_size() ); LZ_Encoder * const encoder = LZ_compress_open( dict_size, match_len_limit, LLONG_MAX ); if( !encoder || LZ_compress_errno( encoder ) != LZ_ok ) @@ -413,7 +412,7 @@ extern "C" void * cworker( void * arg ) { pp(); if( verbosity >= 0 ) - std::fprintf( stderr, "LZ_compress_read error: %s.\n", + std::fprintf( stderr, "LZ_compress_read error: %s\n", LZ_strerror( LZ_compress_errno( encoder ) ) ); cleanup_and_fail(); } @@ -521,7 +520,7 @@ int compress( const int data_size, const int dictionary_size, if( verbosity >= 1 ) { if( in_size == 0 || out_size == 0 ) - std::fprintf( stderr, " no data compressed.\n" ); + std::fputs( " no data compressed.\n", stderr ); else std::fprintf( stderr, "%6.3f:1, %6.3f bits/byte, " "%5.2f%% saved, %llu in, %llu out.\n", @@ -6,7 +6,7 @@ # to copy, distribute and modify it. pkgname=plzip -pkgversion=1.4-rc1 +pkgversion=1.4 progname=plzip srctrigger=doc/${pkgname}.texi diff --git a/dec_stdout.cc b/dec_stdout.cc index 7e5a6fd..798148e 100644 --- a/dec_stdout.cc +++ b/dec_stdout.cc @@ -309,7 +309,7 @@ int dec_stdout( const int num_workers, const int infd, const int outfd, std::fprintf( stderr, "decompressed size %9llu, size %9llu. ", out_size, in_size ); - if( verbosity >= 1 ) std::fprintf( stderr, "done\n" ); + if( verbosity >= 1 ) std::fputs( "done\n", stderr ); if( debug_level & 1 ) std::fprintf( stderr, diff --git a/dec_stream.cc b/dec_stream.cc index a814194..93fc8de 100644 --- a/dec_stream.cc +++ b/dec_stream.cc @@ -520,7 +520,7 @@ int dec_stream( const int num_workers, const int infd, const int outfd, std::fprintf( stderr, "decompressed size %9llu, size %9llu. ", out_size, in_size ); - if( verbosity >= 1 ) std::fprintf( stderr, (outfd < 0) ? "ok\n" : "done\n" ); + if( verbosity >= 1 ) std::fputs( (outfd < 0) ? "ok\n" : "done\n", stderr ); if( debug_level & 1 ) std::fprintf( stderr, diff --git a/decompress.cc b/decompress.cc index 0cc99f8..4c6b946 100644 --- a/decompress.cc +++ b/decompress.cc @@ -37,6 +37,23 @@ #include "file_index.h" +void Pretty_print::operator()( const char * const msg ) const + { + if( verbosity >= 0 ) + { + if( first_post ) + { + first_post = false; + std::fprintf( stderr, " %s: ", name_.c_str() ); + for( unsigned i = 0; i < longest_name - name_.size(); ++i ) + std::fputc( ' ', stderr ); + if( !msg ) std::fflush( stderr ); + } + if( msg ) std::fprintf( stderr, "%s\n", msg ); + } + } + + // Returns the number of bytes really read. // If (returned value < size) and (errno == 0), means EOF was reached. // @@ -82,7 +99,7 @@ int decompress_read_error( struct LZ_Decoder * const decoder, const LZ_Errno errcode = LZ_decompress_errno( decoder ); pp(); if( verbosity >= 0 ) - std::fprintf( stderr, "LZ_decompress_read error in worker %d: %s.\n", + std::fprintf( stderr, "LZ_decompress_read error in worker %d: %s\n", worker_id, LZ_strerror( errcode ) ); if( errcode == LZ_header_error || errcode == LZ_unexpected_eof || errcode == LZ_data_error ) @@ -160,7 +177,7 @@ extern "C" void * dworker( void * arg ) { pp(); if( verbosity >= 0 ) - std::fprintf( stderr, "Write error in worker %d: %s.\n", + std::fprintf( stderr, "Write error in worker %d: %s\n", worker_id, std::strerror( errno ) ); cleanup_and_fail(); } @@ -260,7 +277,7 @@ int decompress( int num_workers, const int infd, const int outfd, std::fprintf( stderr, "decompressed size %9llu, size %9llu. ", out_size, in_size ); - if( verbosity >= 1 ) std::fprintf( stderr, (outfd < 0) ? "ok\n" : "done\n" ); + if( verbosity >= 1 ) std::fputs( (outfd < 0) ? "ok\n" : "done\n", stderr ); return 0; } diff --git a/doc/plzip.1 b/doc/plzip.1 index 6ed21c1..01f4e36 100644 --- a/doc/plzip.1 +++ b/doc/plzip.1 @@ -1,5 +1,5 @@ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.46.1. -.TH PLZIP "1" "May 2015" "plzip 1.4-rc1" "User Commands" +.TH PLZIP "1" "July 2015" "plzip 1.4" "User Commands" .SH NAME plzip \- reduces the size of files .SH SYNOPSIS @@ -28,7 +28,7 @@ decompress overwrite existing output files .TP \fB\-F\fR, \fB\-\-recompress\fR -force recompression of compressed files +force re\-compression of compressed files .TP \fB\-k\fR, \fB\-\-keep\fR keep (don't delete) input files @@ -84,7 +84,7 @@ Plzip home page: http://www.nongnu.org/lzip/plzip.html Copyright \(co 2009 Laszlo Ersek. .br Copyright \(co 2015 Antonio Diaz Diaz. -Using Lzlib 1.7\-rc1 +Using lzlib 1.7 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html> .br This is free software: you are free to change and redistribute it. diff --git a/doc/plzip.info b/doc/plzip.info index d07ba9e..474db91 100644 --- a/doc/plzip.info +++ b/doc/plzip.info @@ -11,13 +11,13 @@ File: plzip.info, Node: Top, Next: Introduction, Up: (dir) Plzip Manual ************ -This manual is for Plzip (version 1.4-rc1, 23 May 2015). +This manual is for Plzip (version 1.4, 9 July 2015). * Menu: * Introduction:: Purpose and features of plzip -* Program design:: Internal structure of plzip * Invoking plzip:: Command line interface +* Program design:: Internal structure of plzip * File format:: Detailed format of the compressed file * Memory requirements:: Memory required to compress and decompress * Minimum file sizes:: Minimum file sizes required for full speed @@ -31,7 +31,7 @@ This manual is for Plzip (version 1.4-rc1, 23 May 2015). copy, distribute and modify it. -File: plzip.info, Node: Introduction, Next: Program design, Prev: Top, Up: Top +File: plzip.info, Node: Introduction, Next: Invoking plzip, Prev: Top, Up: Top 1 Introduction ************** @@ -59,7 +59,8 @@ availability: recovery means. The lziprecover program can repair bit-flip errors (one of the most common forms of data corruption) in lzip files, and provides data recovery capabilities, including error-checked - merging of damaged copies of a file. + merging of damaged copies of a file. *note Data safety: + (lziprecover)Data safety. * The lzip format is as simple as possible (but not simpler). The lzip manual provides the code of a simple decompressor along with @@ -122,43 +123,9 @@ until you verify the compressed file with a command like 'plzip -cd file.lz | cmp file -'. -File: plzip.info, Node: Program design, Next: Invoking plzip, Prev: Introduction, Up: Top - -2 Program design -**************** - -When compressing, plzip divides the input file into chunks and -compresses as many chunks simultaneously as worker threads are chosen, -creating a multi-member compressed file. - - When decompressing, plzip decompresses as many members -simultaneously as worker threads are chosen. Files that were compressed -with lzip will not be decompressed faster than using lzip (unless the -'-b' option was used) because lzip usually produces single-member -files, which can't be decompressed in parallel. - - For each input file, a splitter thread and several worker threads are -created, acting the main thread as muxer (multiplexer) thread. A "packet -courier" takes care of data transfers among threads and limits the -maximum number of data blocks (packets) being processed simultaneously. - - The splitter reads data blocks from the input file, and distributes -them to the workers. The workers (de)compress the blocks received from -the splitter. The muxer collects processed packets from the workers, and -writes them to the output file. - - When decompressing from a regular file, the splitter is removed and -the workers read directly from the input file. If the output file is -also a regular file, the muxer is also removed and the workers write -directly to the output file. With these optimizations, the use of RAM -is greatly reduced and the decompression speed of large files with many -members is only limited by the number of processors available and by -I/O speed. - - -File: plzip.info, Node: Invoking plzip, Next: File format, Prev: Program design, Up: Top +File: plzip.info, Node: Invoking plzip, Next: Program design, Prev: Introduction, Up: Top -3 Invoking plzip +2 Invoking plzip **************** The format for running plzip is: @@ -199,7 +166,7 @@ The format for running plzip is: '-F' '--recompress' - Force recompression of files whose name already has the '.lz' or + Force re-compression of files whose name already has the '.lz' or '.tlz' suffix. '-k' @@ -318,7 +285,41 @@ invalid input file, 3 for an internal consistency error (eg, bug) which caused plzip to panic. -File: plzip.info, Node: File format, Next: Memory requirements, Prev: Invoking plzip, Up: Top +File: plzip.info, Node: Program design, Next: File format, Prev: Invoking plzip, Up: Top + +3 Program design +**************** + +When compressing, plzip divides the input file into chunks and +compresses as many chunks simultaneously as worker threads are chosen, +creating a multi-member compressed file. + + When decompressing, plzip decompresses as many members +simultaneously as worker threads are chosen. Files that were compressed +with lzip will not be decompressed faster than using lzip (unless the +'-b' option was used) because lzip usually produces single-member +files, which can't be decompressed in parallel. + + For each input file, a splitter thread and several worker threads are +created, acting the main thread as muxer (multiplexer) thread. A "packet +courier" takes care of data transfers among threads and limits the +maximum number of data blocks (packets) being processed simultaneously. + + The splitter reads data blocks from the input file, and distributes +them to the workers. The workers (de)compress the blocks received from +the splitter. The muxer collects processed packets from the workers, and +writes them to the output file. + + When decompressing from a regular file, the splitter is removed and +the workers read directly from the input file. If the output file is +also a regular file, the muxer is also removed and the workers write +directly to the output file. With these optimizations, the use of RAM +is greatly reduced and the decompression speed of large files with many +members is only limited by the number of processors available and by +I/O speed. + + +File: plzip.info, Node: File format, Next: Memory requirements, Prev: Program design, Up: Top 4 File format ************* @@ -398,15 +399,16 @@ The amount of memory required *per thread* is approximately the following: * For compression at level -0; 1.5 MiB plus 3 times the data size - (*note --data-size::). About 4.5 MiB. + (*note --data-size::). Default is 4.5 MiB. * For compression at other levels; 11 times the dictionary size plus 3 times the data size. Default is 136 MiB. * For decompression of a regular (seekable) file to another regular - file, or for testing of a regular file; the dictionary size. Note - that regular files with more than 1024 bytes of trailing garbage - are treated as non-seekable. + file, or for testing of a regular file; the dictionary size. + + (Note that regular files with more than 1024 bytes of trailing + garbage are treated as non-seekable). * For testing of a non-seekable file or of standard input; the dictionary size plus up to 5 MiB. @@ -493,15 +495,15 @@ Concept index Tag Table: Node: Top221 -Node: Introduction988 -Node: Program design5285 -Node: Invoking plzip6874 -Ref: --data-size7288 -Node: File format12512 -Node: Memory requirements14925 -Node: Minimum file sizes16029 -Node: Problems17951 -Node: Concept index18487 +Node: Introduction984 +Node: Invoking plzip5332 +Ref: --data-size5747 +Node: Program design10972 +Node: File format12560 +Node: Memory requirements14973 +Node: Minimum file sizes16085 +Node: Problems18007 +Node: Concept index18543 End Tag Table diff --git a/doc/plzip.texi b/doc/plzip.texi index b501b9a..e13515a 100644 --- a/doc/plzip.texi +++ b/doc/plzip.texi @@ -6,8 +6,8 @@ @finalout @c %**end of header -@set UPDATED 23 May 2015 -@set VERSION 1.4-rc1 +@set UPDATED 9 July 2015 +@set VERSION 1.4 @dircategory Data Compression @direntry @@ -36,8 +36,8 @@ This manual is for Plzip (version @value{VERSION}, @value{UPDATED}). @menu * Introduction:: Purpose and features of plzip -* Program design:: Internal structure of plzip * Invoking plzip:: Command line interface +* Program design:: Internal structure of plzip * File format:: Detailed format of the compressed file * Memory requirements:: Memory required to compress and decompress * Minimum file sizes:: Minimum file sizes required for full speed @@ -77,10 +77,14 @@ availability: @itemize @bullet @item The lzip format provides very safe integrity checking and some data -recovery means. The lziprecover program can repair bit-flip errors (one -of the most common forms of data corruption) in lzip files, and provides -data recovery capabilities, including error-checked merging of damaged -copies of a file. +recovery means. The +@uref{http://www.nongnu.org/lzip/manual/lziprecover_manual.html#Data-safety,,lziprecover} +program can repair bit-flip errors (one of the most common forms of data +corruption) in lzip files, and provides data recovery capabilities, +including error-checked merging of damaged copies of a file. +@ifnothtml +@ref{Data safety,,,lziprecover}. +@end ifnothtml @item The lzip format is as simple as possible (but not simpler). The lzip @@ -148,38 +152,6 @@ you verify the compressed file with a command like @w{@samp{plzip -cd file.lz | cmp file -}}. -@node Program design -@chapter Program design -@cindex program design - -When compressing, plzip divides the input file into chunks and -compresses as many chunks simultaneously as worker threads are chosen, -creating a multi-member compressed file. - -When decompressing, plzip decompresses as many members simultaneously as -worker threads are chosen. Files that were compressed with lzip will not -be decompressed faster than using lzip (unless the @samp{-b} option was -used) because lzip usually produces single-member files, which can't be -decompressed in parallel. - -For each input file, a splitter thread and several worker threads are -created, acting the main thread as muxer (multiplexer) thread. A "packet -courier" takes care of data transfers among threads and limits the -maximum number of data blocks (packets) being processed simultaneously. - -The splitter reads data blocks from the input file, and distributes them -to the workers. The workers (de)compress the blocks received from the -splitter. The muxer collects processed packets from the workers, and -writes them to the output file. - -When decompressing from a regular file, the splitter is removed and the -workers read directly from the input file. If the output file is also a -regular file, the muxer is also removed and the workers write directly -to the output file. With these optimizations, the use of RAM is greatly -reduced and the decompression speed of large files with many members is -only limited by the number of processors available and by I/O speed. - - @node Invoking plzip @chapter Invoking plzip @cindex invoking @@ -229,7 +201,7 @@ Force overwrite of output files. @item -F @itemx --recompress -Force recompression of files whose name already has the @samp{.lz} or +Force re-compression of files whose name already has the @samp{.lz} or @samp{.tlz} suffix. @item -k @@ -346,6 +318,38 @@ invalid input file, 3 for an internal consistency error (eg, bug) which caused plzip to panic. +@node Program design +@chapter Program design +@cindex program design + +When compressing, plzip divides the input file into chunks and +compresses as many chunks simultaneously as worker threads are chosen, +creating a multi-member compressed file. + +When decompressing, plzip decompresses as many members simultaneously as +worker threads are chosen. Files that were compressed with lzip will not +be decompressed faster than using lzip (unless the @samp{-b} option was +used) because lzip usually produces single-member files, which can't be +decompressed in parallel. + +For each input file, a splitter thread and several worker threads are +created, acting the main thread as muxer (multiplexer) thread. A "packet +courier" takes care of data transfers among threads and limits the +maximum number of data blocks (packets) being processed simultaneously. + +The splitter reads data blocks from the input file, and distributes them +to the workers. The workers (de)compress the blocks received from the +splitter. The muxer collects processed packets from the workers, and +writes them to the output file. + +When decompressing from a regular file, the splitter is removed and the +workers read directly from the input file. If the output file is also a +regular file, the muxer is also removed and the workers write directly +to the output file. With these optimizations, the use of RAM is greatly +reduced and the decompression speed of large files with many members is +only limited by the number of processors available and by I/O speed. + + @node File format @chapter File format @cindex file format @@ -439,7 +443,7 @@ following: @itemize @bullet @item For compression at level -0; 1.5 MiB plus 3 times the data size -(@pxref{--data-size}). About 4.5 MiB. +(@pxref{--data-size}). Default is 4.5 MiB. @item For compression at other levels; 11 times the dictionary size plus 3 @@ -447,9 +451,10 @@ times the data size. Default is 136 MiB. @item For decompression of a regular (seekable) file to another regular file, -or for testing of a regular file; the dictionary size. Note that regular -files with more than 1024 bytes of trailing garbage are treated as -non-seekable. +or for testing of a regular file; the dictionary size. + +(Note that regular files with more than 1024 bytes of trailing garbage +are treated as non-seekable). @item For testing of a non-seekable file or of standard input; the dictionary diff --git a/file_index.cc b/file_index.cc index 0e3eed9..7e265a1 100644 --- a/file_index.cc +++ b/file_index.cc @@ -40,7 +40,7 @@ int seek_read( const int fd, uint8_t * const buf, const int size, void File_index::set_errno_error( const char * const msg ) { - error_ = msg; error_ += std::strerror( errno ); error_ += '.'; + error_ = msg; error_ += std::strerror( errno ); retval_ = 1; } diff --git a/file_index.h b/file_index.h index 2323928..1159f1d 100644 --- a/file_index.h +++ b/file_index.h @@ -54,7 +54,7 @@ class File_index void set_errno_error( const char * const msg ); void set_num_error( const char * const msg1, unsigned long long num, - const char * const msg2 = "." ); + const char * const msg2 = "" ); public: explicit File_index( const int infd ); @@ -69,9 +69,9 @@ const uint8_t magic_string[4] = { 0x4C, 0x5A, 0x49, 0x50 }; // "LZIP" struct File_header { - uint8_t data[6]; /* 0-3 magic bytes */ - /* 4 version */ - /* 5 coded_dict_size */ + uint8_t data[6]; // 0-3 magic bytes + // 4 version + // 5 coded_dict_size enum { size = 6 }; void set_magic() { std::memcpy( data, magic_string, 4 ); data[4] = 1; } @@ -111,9 +111,9 @@ struct File_header 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 */ + 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 enum { size = 20 }; @@ -82,8 +82,8 @@ struct { const char * from; const char * to; } const known_extensions[] = { struct Lzma_options { - int dictionary_size; /* 4 KiB .. 512 MiB */ - int match_len_limit; /* 5 .. 273 */ + int dictionary_size; // 4 KiB .. 512 MiB + int match_len_limit; // 5 .. 273 }; enum Mode { m_compress, m_decompress, m_test }; @@ -107,7 +107,7 @@ void show_help( const long num_online ) " -c, --stdout send output to standard output\n" " -d, --decompress decompress\n" " -f, --force overwrite existing output files\n" - " -F, --recompress force recompression of compressed files\n" + " -F, --recompress force re-compression of compressed files\n" " -k, --keep keep (don't delete) input files\n" " -m, --match-length=<bytes> set match length limit in bytes [36]\n" " -n, --threads=<n> set number of (de)compression threads [%ld]\n" @@ -145,7 +145,7 @@ void show_version() std::printf( "%s %s\n", program_name, PROGVERSION ); std::printf( "Copyright (C) 2009 Laszlo Ersek.\n" "Copyright (C) %s Antonio Diaz Diaz.\n", program_year ); - std::printf( "Using Lzlib %s\n", LZ_version() ); + std::printf( "Using lzlib %s\n", LZ_version() ); std::printf( "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n" "This is free software: you are free to change and redistribute it.\n" "There is NO WARRANTY, to the extent permitted by law.\n" ); @@ -189,7 +189,7 @@ unsigned long long getnum( const char * const ptr, if( !errno && tail[0] ) { - int factor = ( tail[1] == 'i' ) ? 1024 : 1000; + const int factor = ( tail[1] == 'i' ) ? 1024 : 1000; int exponent = 0; bool bad_multiplier = false; switch( tail[0] ) @@ -273,7 +273,7 @@ int open_instream( const char * const name, struct stat * const in_statsp, if( infd < 0 ) { if( verbosity >= 0 ) - std::fprintf( stderr, "%s: Can't open input file '%s': %s.\n", + std::fprintf( stderr, "%s: Can't open input file '%s': %s\n", program_name, name, std::strerror( errno ) ); } else @@ -290,7 +290,7 @@ int open_instream( const char * const name, struct stat * const in_statsp, std::fprintf( stderr, "%s: Input file '%s' is not a regular file%s.\n", program_name, name, ( can_read && !no_ofile ) ? - " and '--stdout' was not specified" : "" ); + ",\n and '--stdout' was not specified" : "" ); close( infd ); infd = -1; } @@ -321,7 +321,7 @@ void set_d_outname( const std::string & name, const int i ) } output_filename = name; output_filename += ".out"; if( verbosity >= 1 ) - std::fprintf( stderr, "%s: Can't guess original name for '%s' -- using '%s'.\n", + std::fprintf( stderr, "%s: Can't guess original name for '%s' -- using '%s'\n", program_name, name.c_str(), output_filename.c_str() ); } @@ -338,7 +338,7 @@ bool open_outstream( const bool force ) std::fprintf( stderr, "%s: Output file '%s' already exists, skipping.\n", program_name, output_filename.c_str() ); else - std::fprintf( stderr, "%s: Can't create output file '%s': %s.\n", + std::fprintf( stderr, "%s: Can't create output file '%s': %s\n", program_name, output_filename.c_str(), std::strerror( errno ) ); } return ( outfd >= 0 ); @@ -388,14 +388,14 @@ void cleanup_and_fail( const int retval ) namespace { - /* Set permissions, owner and times. */ + // Set permissions, owner and times. void close_and_set_permissions( const struct stat * const in_statsp ) { bool warning = false; if( in_statsp ) { const mode_t mode = in_statsp->st_mode; - /* fchown will in many cases return with EPERM, which can be safely ignored. */ + // fchown will in many cases return with EPERM, which can be safely ignored. if( fchown( outfd, in_statsp->st_uid, in_statsp->st_gid ) == 0 ) { if( fchmod( outfd, mode ) != 0 ) warning = true; } else @@ -438,23 +438,6 @@ void set_signals() int verbosity = 0; -void Pretty_print::operator()( const char * const msg ) const - { - if( verbosity >= 0 ) - { - if( first_post ) - { - first_post = false; - std::fprintf( stderr, " %s: ", name_.c_str() ); - for( unsigned i = 0; i < longest_name - name_.size(); ++i ) - std::fprintf( stderr, " " ); - if( !msg ) std::fflush( stderr ); - } - if( msg ) std::fprintf( stderr, "%s\n", msg ); - } - } - - void show_error( const char * const msg, const int errcode, const bool help ) { if( verbosity >= 0 ) @@ -463,8 +446,8 @@ void show_error( const char * const msg, const int errcode, const bool help ) { std::fprintf( stderr, "%s: %s", program_name, msg ); if( errcode > 0 ) - std::fprintf( stderr, ": %s.", std::strerror( errcode ) ); - std::fprintf( stderr, "\n" ); + std::fprintf( stderr, ": %s", std::strerror( errcode ) ); + std::fputc( '\n', stderr ); } if( help ) std::fprintf( stderr, "Try '%s --help' for more information.\n", @@ -485,7 +468,7 @@ void show_progress( const int packet_size, const Pretty_print * const p, const unsigned long long cfile_size ) { - static unsigned long long csize = 0; /* file_size / 100 */ + static unsigned long long csize = 0; // file_size / 100 static unsigned long long pos = 0; static const Pretty_print * pp = 0; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; @@ -514,16 +497,16 @@ int main( const int argc, const char * const argv[] ) to the corresponding LZMA compression modes. */ const Lzma_options option_mapping[] = { - { 65535, 16 }, /* -0 */ - { 1 << 20, 5 }, /* -1 */ - { 3 << 19, 6 }, /* -2 */ - { 1 << 21, 8 }, /* -3 */ - { 3 << 20, 12 }, /* -4 */ - { 1 << 22, 20 }, /* -5 */ - { 1 << 23, 36 }, /* -6 */ - { 1 << 24, 68 }, /* -7 */ - { 3 << 23, 132 }, /* -8 */ - { 1 << 25, 273 } }; /* -9 */ + { 65535, 16 }, // -0 + { 1 << 20, 5 }, // -1 + { 3 << 19, 6 }, // -2 + { 1 << 21, 8 }, // -3 + { 3 << 20, 12 }, // -4 + { 1 << 22, 20 }, // -5 + { 1 << 23, 36 }, // -6 + { 1 << 24, 68 }, // -7 + { 3 << 23, 132 }, // -8 + { 1 << 25, 273 } }; // -9 Lzma_options encoder_options = option_mapping[6]; // default = "-6" std::string input_filename; std::string default_output_filename; @@ -587,7 +570,7 @@ int main( const int argc, const char * const argv[] ) for( ; argind < parser.arguments(); ++argind ) { const int code = parser.code( argind ); - if( !code ) break; /* no more options */ + if( !code ) break; // no more options const std::string & arg = parser.argument( argind ); switch( code ) { @@ -618,7 +601,7 @@ int main( const int argc, const char * const argv[] ) case 'V': show_version(); return 0; default : internal_error( "uncaught option." ); } - } /* end process options */ + } // end process options #if defined(__MSVCRT__) || defined(__OS2__) setmode( STDIN_FILENO, O_BINARY ); @@ -628,13 +611,14 @@ int main( const int argc, const char * const argv[] ) if( program_mode == m_test ) outfd = -1; + const bool fast = encoder_options.dictionary_size == 65535 && + encoder_options.match_len_limit == 16; if( data_size <= 0 ) { - if( encoder_options.dictionary_size == 65535 && - encoder_options.match_len_limit == 16 ) data_size = 1 << 20; + if( fast ) data_size = 1 << 20; else data_size = 2 * std::max( 65536, encoder_options.dictionary_size ); } - else if( data_size < encoder_options.dictionary_size ) + else if( !fast && data_size < encoder_options.dictionary_size ) encoder_options.dictionary_size = std::max( data_size, LZ_min_dictionary_size() ); diff --git a/testsuite/check.sh b/testsuite/check.sh index 88e8f83..b054bf1 100755 --- a/testsuite/check.sh +++ b/testsuite/check.sh @@ -79,7 +79,6 @@ printf . cat in in > in2 || framework_failure "${LZIP}" -o copy2 < in2 || fail=1 "${LZIP}" -t copy2.lz || fail=1 -printf . "${LZIP}" -cd copy2.lz > copy2 || fail=1 cmp in2 copy2 || fail=1 printf . |