Merging upstream version 1.11.
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
parent
2b58741015
commit
648618884e
21 changed files with 727 additions and 631 deletions
244
main.cc
244
main.cc
|
@ -1,6 +1,6 @@
|
|||
/* Plzip - Massively parallel implementation of lzip
|
||||
Copyright (C) 2009 Laszlo Ersek.
|
||||
Copyright (C) 2009-2022 Antonio Diaz Diaz.
|
||||
Copyright (C) 2009-2024 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
|
||||
|
@ -17,16 +17,16 @@
|
|||
*/
|
||||
/*
|
||||
Exit status: 0 for a normal exit, 1 for environmental problems
|
||||
(file not found, invalid flags, I/O errors, etc), 2 to indicate a
|
||||
corrupt or invalid input file, 3 for an internal consistency error
|
||||
(e.g., bug) which caused plzip to panic.
|
||||
(file not found, invalid command-line options, I/O errors, etc), 2 to
|
||||
indicate a corrupt or invalid input file, 3 for an internal consistency
|
||||
error (e.g., bug) which caused plzip to panic.
|
||||
*/
|
||||
|
||||
#define _FILE_OFFSET_BITS 64
|
||||
|
||||
#include <algorithm>
|
||||
#include <cerrno>
|
||||
#include <climits>
|
||||
#include <climits> // SSIZE_MAX
|
||||
#include <csignal>
|
||||
#include <cstdio>
|
||||
#include <cstdlib>
|
||||
|
@ -34,7 +34,7 @@
|
|||
#include <string>
|
||||
#include <vector>
|
||||
#include <fcntl.h>
|
||||
#include <stdint.h>
|
||||
#include <stdint.h> // SIZE_MAX
|
||||
#include <unistd.h>
|
||||
#include <utime.h>
|
||||
#include <sys/stat.h>
|
||||
|
@ -77,7 +77,7 @@ int verbosity = 0;
|
|||
namespace {
|
||||
|
||||
const char * const program_name = "plzip";
|
||||
const char * const program_year = "2022";
|
||||
const char * const program_year = "2024";
|
||||
const char * invocation_name = program_name; // default value
|
||||
|
||||
const struct { const char * from; const char * to; } known_extensions[] = {
|
||||
|
@ -102,18 +102,19 @@ bool delete_output_on_interrupt = false;
|
|||
|
||||
void show_help( const long num_online )
|
||||
{
|
||||
std::printf( "Plzip is a massively parallel (multi-threaded) implementation of lzip, fully\n"
|
||||
std::printf( "Plzip is a massively parallel (multi-threaded) implementation of lzip,\n"
|
||||
"compatible with lzip 1.4 or newer. Plzip uses the compression library lzlib.\n"
|
||||
"\nLzip is a lossless data compressor with a user interface similar to the one\n"
|
||||
"of gzip or bzip2. Lzip uses a simplified form of the 'Lempel-Ziv-Markov\n"
|
||||
"chain-Algorithm' (LZMA) stream format and provides a 3 factor integrity\n"
|
||||
"checking to maximize interoperability and optimize safety. Lzip can compress\n"
|
||||
"about as fast as gzip (lzip -0) or compress most files more than bzip2\n"
|
||||
"(lzip -9). Decompression speed is intermediate between gzip and bzip2.\n"
|
||||
"Lzip is better than gzip and bzip2 from a data recovery perspective. Lzip\n"
|
||||
"has been designed, written, and tested with great care to replace gzip and\n"
|
||||
"bzip2 as the standard general-purpose compressed format for unix-like\n"
|
||||
"systems.\n"
|
||||
"chain-Algorithm' (LZMA) stream format to maximize interoperability. The\n"
|
||||
"maximum dictionary size is 512 MiB so that any lzip file can be decompressed\n"
|
||||
"on 32-bit machines. Lzip provides accurate and robust 3-factor integrity\n"
|
||||
"checking. Lzip can compress about as fast as gzip (lzip -0) or compress most\n"
|
||||
"files more than bzip2 (lzip -9). Decompression speed is intermediate between\n"
|
||||
"gzip and bzip2. Lzip is better than gzip and bzip2 from a data recovery\n"
|
||||
"perspective. Lzip has been designed, written, and tested with great care to\n"
|
||||
"replace gzip and bzip2 as the standard general-purpose compressed format for\n"
|
||||
"Unix-like systems.\n"
|
||||
"\nPlzip can compress/decompress large files on multiprocessor machines much\n"
|
||||
"faster than lzip, at the cost of a slightly reduced compression ratio (0.4\n"
|
||||
"to 2 percent larger compressed files). Note that the number of usable\n"
|
||||
|
@ -127,7 +128,7 @@ void show_help( const long num_online )
|
|||
" -a, --trailing-error exit with error status if trailing data\n"
|
||||
" -B, --data-size=<bytes> set size of input data blocks [2x8=16 MiB]\n"
|
||||
" -c, --stdout write to standard output, keep input files\n"
|
||||
" -d, --decompress decompress\n"
|
||||
" -d, --decompress decompress, test compressed file integrity\n"
|
||||
" -f, --force overwrite existing output files\n"
|
||||
" -F, --recompress force re-compression of compressed files\n"
|
||||
" -k, --keep keep (don't delete) input files\n"
|
||||
|
@ -155,32 +156,46 @@ void show_help( const long num_online )
|
|||
"decompresses from standard input to standard output.\n"
|
||||
"Numbers may be followed by a multiplier: k = kB = 10^3 = 1000,\n"
|
||||
"Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...\n"
|
||||
"Dictionary sizes 12 to 29 are interpreted as powers of two, meaning 2^12\n"
|
||||
"to 2^29 bytes.\n"
|
||||
"\nThe bidimensional parameter space of LZMA can't be mapped to a linear\n"
|
||||
"scale optimal for all files. If your files are large, very repetitive,\n"
|
||||
"etc, you may need to use the options --dictionary-size and --match-length\n"
|
||||
"directly to achieve optimal performance.\n"
|
||||
"Dictionary sizes 12 to 29 are interpreted as powers of two, meaning 2^12 to\n"
|
||||
"2^29 bytes.\n"
|
||||
"\nThe bidimensional parameter space of LZMA can't be mapped to a linear scale\n"
|
||||
"optimal for all files. If your files are large, very repetitive, etc, you\n"
|
||||
"may need to use the options --dictionary-size and --match-length directly\n"
|
||||
"to achieve optimal performance.\n"
|
||||
"\nTo extract all the files from archive 'foo.tar.lz', use the commands\n"
|
||||
"'tar -xf foo.tar.lz' or 'plzip -cd foo.tar.lz | tar -xf -'.\n"
|
||||
"\nExit status: 0 for a normal exit, 1 for environmental problems (file\n"
|
||||
"not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or\n"
|
||||
"invalid input file, 3 for an internal consistency error (e.g., bug) which\n"
|
||||
"caused plzip to panic.\n"
|
||||
"\nExit status: 0 for a normal exit, 1 for environmental problems\n"
|
||||
"(file not found, invalid command-line options, I/O errors, etc), 2 to\n"
|
||||
"indicate a corrupt or invalid input file, 3 for an internal consistency\n"
|
||||
"error (e.g., bug) which caused plzip to panic.\n"
|
||||
"\nReport bugs to lzip-bug@nongnu.org\n"
|
||||
"Plzip home page: http://www.nongnu.org/lzip/plzip.html\n" );
|
||||
}
|
||||
|
||||
|
||||
void show_lzlib_version()
|
||||
{
|
||||
std::printf( "Using lzlib %s\n", LZ_version() );
|
||||
#if !defined LZ_API_VERSION
|
||||
std::fputs( "LZ_API_VERSION is not defined.\n", stdout );
|
||||
#elif LZ_API_VERSION >= 1012
|
||||
std::printf( "Using LZ_API_VERSION = %u\n", LZ_api_version() );
|
||||
#else
|
||||
std::printf( "Compiled with LZ_API_VERSION = %u. "
|
||||
"Using an unknown LZ_API_VERSION\n", LZ_API_VERSION );
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void show_version()
|
||||
{
|
||||
std::printf( "%s %s\n", program_name, PROGVERSION );
|
||||
std::printf( "Copyright (C) 2009 Laszlo Ersek.\n" );
|
||||
std::printf( "Copyright (C) %s Antonio Diaz Diaz.\n", program_year );
|
||||
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" );
|
||||
show_lzlib_version();
|
||||
}
|
||||
|
||||
|
||||
|
@ -226,18 +241,7 @@ int check_lib()
|
|||
std::printf( "warning: LZ_API_VERSION != LZ_api_version() (%u vs %u)\n",
|
||||
LZ_API_VERSION, LZ_api_version() ); }
|
||||
#endif
|
||||
if( verbosity >= 1 )
|
||||
{
|
||||
std::printf( "Using lzlib %s\n", LZ_version() );
|
||||
#if !defined LZ_API_VERSION
|
||||
std::fputs( "LZ_API_VERSION is not defined.\n", stdout );
|
||||
#elif LZ_API_VERSION >= 1012
|
||||
std::printf( "Using LZ_API_VERSION = %u\n", LZ_api_version() );
|
||||
#else
|
||||
std::printf( "Compiled with LZ_API_VERSION = %u. "
|
||||
"Using an unknown LZ_API_VERSION\n", LZ_API_VERSION );
|
||||
#endif
|
||||
}
|
||||
if( verbosity >= 1 ) show_lzlib_version();
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
@ -267,16 +271,15 @@ const char * bad_version( const unsigned version )
|
|||
|
||||
const char * format_ds( const unsigned dictionary_size )
|
||||
{
|
||||
enum { bufsize = 16, factor = 1024 };
|
||||
enum { bufsize = 16, factor = 1024, n = 3 };
|
||||
static char buf[bufsize];
|
||||
const char * const prefix[8] =
|
||||
{ "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi" };
|
||||
const char * const prefix[n] = { "Ki", "Mi", "Gi" };
|
||||
const char * p = "";
|
||||
const char * np = " ";
|
||||
unsigned num = dictionary_size;
|
||||
bool exact = ( num % factor == 0 );
|
||||
|
||||
for( int i = 0; i < 8 && ( num > 9999 || ( exact && num >= factor ) ); ++i )
|
||||
for( int i = 0; i < n && ( num > 9999 || ( exact && num >= factor ) ); ++i )
|
||||
{ num /= factor; if( num % factor != 0 ) exact = false;
|
||||
p = prefix[i]; np = ""; }
|
||||
snprintf( buf, bufsize, "%s%4u %sB", np, num, p );
|
||||
|
@ -291,12 +294,12 @@ void show_header( const unsigned dictionary_size )
|
|||
|
||||
namespace {
|
||||
|
||||
// separate large numbers >= 100_000 in groups of 3 digits using '_'
|
||||
// separate numbers of 5 or more digits in groups of 3 digits using '_'
|
||||
const char * format_num3( unsigned long long num )
|
||||
{
|
||||
const char * const si_prefix = "kMGTPEZY";
|
||||
const char * const binary_prefix = "KMGTPEZY";
|
||||
enum { buffers = 8, bufsize = 4 * sizeof (long long) };
|
||||
enum { buffers = 8, bufsize = 4 * sizeof num, n = 10 };
|
||||
const char * const si_prefix = "kMGTPEZYRQ";
|
||||
const char * const binary_prefix = "KMGTPEZYRQ";
|
||||
static char buffer[buffers][bufsize]; // circle of static buffers for printf
|
||||
static int current = 0;
|
||||
|
||||
|
@ -306,15 +309,15 @@ const char * format_num3( unsigned long long num )
|
|||
if( num > 1024 )
|
||||
{
|
||||
char prefix = 0; // try binary first, then si
|
||||
for( int i = 0; i < 8 && num >= 1024 && num % 1024 == 0; ++i )
|
||||
for( int i = 0; i < n && num != 0 && num % 1024 == 0; ++i )
|
||||
{ num /= 1024; prefix = binary_prefix[i]; }
|
||||
if( prefix ) *(--p) = 'i';
|
||||
else
|
||||
for( int i = 0; i < 8 && num >= 1000 && num % 1000 == 0; ++i )
|
||||
for( int i = 0; i < n && num != 0 && num % 1000 == 0; ++i )
|
||||
{ num /= 1000; prefix = si_prefix[i]; }
|
||||
if( prefix ) *(--p) = prefix;
|
||||
}
|
||||
const bool split = num >= 100000;
|
||||
const bool split = num >= 10000;
|
||||
|
||||
for( int i = 0; ; )
|
||||
{
|
||||
|
@ -325,6 +328,16 @@ const char * format_num3( unsigned long long num )
|
|||
}
|
||||
|
||||
|
||||
void show_option_error( const char * const arg, const char * const msg,
|
||||
const char * const option_name )
|
||||
{
|
||||
if( verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: '%s': %s option '%s'.\n",
|
||||
program_name, arg, msg, option_name );
|
||||
}
|
||||
|
||||
|
||||
// Recognized formats: <num>k, <num>Ki, <num>[MGTPEZYRQ][i]
|
||||
unsigned long long getnum( const char * const arg,
|
||||
const char * const option_name,
|
||||
const unsigned long long llimit,
|
||||
|
@ -334,12 +347,8 @@ unsigned long long getnum( const char * const arg,
|
|||
errno = 0;
|
||||
unsigned long long result = strtoull( arg, &tail, 0 );
|
||||
if( tail == arg )
|
||||
{
|
||||
if( verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: Bad or missing numerical argument in "
|
||||
"option '%s'.\n", program_name, option_name );
|
||||
std::exit( 1 );
|
||||
}
|
||||
{ show_option_error( arg, "Bad or missing numerical argument in",
|
||||
option_name ); std::exit( 1 ); }
|
||||
|
||||
if( !errno && tail[0] )
|
||||
{
|
||||
|
@ -347,6 +356,8 @@ unsigned long long getnum( const char * const arg,
|
|||
int exponent = 0; // 0 = bad multiplier
|
||||
switch( tail[0] )
|
||||
{
|
||||
case 'Q': exponent = 10; break;
|
||||
case 'R': exponent = 9; break;
|
||||
case 'Y': exponent = 8; break;
|
||||
case 'Z': exponent = 7; break;
|
||||
case 'E': exponent = 6; break;
|
||||
|
@ -358,12 +369,8 @@ unsigned long long getnum( const char * const arg,
|
|||
case 'k': if( factor == 1000 ) exponent = 1; break;
|
||||
}
|
||||
if( exponent <= 0 )
|
||||
{
|
||||
if( verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: Bad multiplier in numerical argument of "
|
||||
"option '%s'.\n", program_name, option_name );
|
||||
std::exit( 1 );
|
||||
}
|
||||
{ show_option_error( arg, "Bad multiplier in numerical argument of",
|
||||
option_name ); std::exit( 1 ); }
|
||||
for( int i = 0; i < exponent; ++i )
|
||||
{
|
||||
if( ulimit / factor >= result ) result *= factor;
|
||||
|
@ -374,8 +381,8 @@ unsigned long long getnum( const char * const arg,
|
|||
if( errno )
|
||||
{
|
||||
if( verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: Numerical argument out of limits [%s,%s] "
|
||||
"in option '%s'.\n", program_name, format_num3( llimit ),
|
||||
std::fprintf( stderr, "%s: '%s': Value out of limits [%s,%s] in "
|
||||
"option '%s'.\n", program_name, arg, format_num3( llimit ),
|
||||
format_num3( ulimit ), option_name );
|
||||
std::exit( 1 );
|
||||
}
|
||||
|
@ -447,7 +454,7 @@ void set_d_outname( const std::string & name, const int eindex )
|
|||
}
|
||||
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: %s: Can't guess original name -- using '%s'\n",
|
||||
program_name, name.c_str(), output_filename.c_str() );
|
||||
}
|
||||
|
||||
|
@ -469,9 +476,9 @@ int open_instream( const char * const name, struct stat * const in_statsp,
|
|||
if( i != 0 || ( !S_ISREG( mode ) && ( !can_read || one_to_one ) ) )
|
||||
{
|
||||
if( verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: Input file '%s' is not a regular file%s.\n",
|
||||
std::fprintf( stderr, "%s: %s: Input file is not a regular file%s.\n",
|
||||
program_name, name, ( can_read && one_to_one ) ?
|
||||
",\n and neither '-c' nor '-o' were specified" : "" );
|
||||
",\n and neither '-c' nor '-o' were specified" : "" );
|
||||
close( infd );
|
||||
infd = -1;
|
||||
}
|
||||
|
@ -488,7 +495,7 @@ int open_instream2( const char * const name, struct stat * const in_statsp,
|
|||
if( program_mode == m_compress && !recompress && eindex >= 0 )
|
||||
{
|
||||
if( verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: Input file '%s' already has '%s' suffix.\n",
|
||||
std::fprintf( stderr, "%s: %s: Input file already has '%s' suffix.\n",
|
||||
program_name, name, known_extensions[eindex].from );
|
||||
return -1;
|
||||
}
|
||||
|
@ -496,6 +503,33 @@ int open_instream2( const char * const name, struct stat * const in_statsp,
|
|||
}
|
||||
|
||||
|
||||
bool make_dirs( const std::string & name )
|
||||
{
|
||||
int i = name.size();
|
||||
while( i > 0 && name[i-1] != '/' ) --i; // remove last component
|
||||
while( i > 0 && name[i-1] == '/' ) --i; // remove slash(es)
|
||||
const int dirsize = i; // size of dirname without trailing slash(es)
|
||||
|
||||
for( i = 0; i < dirsize; ) // if dirsize == 0, dirname is '/' or empty
|
||||
{
|
||||
while( i < dirsize && name[i] == '/' ) ++i;
|
||||
const int first = i;
|
||||
while( i < dirsize && name[i] != '/' ) ++i;
|
||||
if( first < i )
|
||||
{
|
||||
const std::string partial( name, 0, i );
|
||||
const mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
|
||||
struct stat st;
|
||||
if( stat( partial.c_str(), &st ) == 0 )
|
||||
{ if( !S_ISDIR( st.st_mode ) ) { errno = ENOTDIR; return false; } }
|
||||
else if( mkdir( partial.c_str(), mode ) != 0 && errno != EEXIST )
|
||||
return false; // if EEXIST, another process created the dir
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
bool open_outstream( const bool force, const bool protect )
|
||||
{
|
||||
const mode_t usr_rw = S_IRUSR | S_IWUSR;
|
||||
|
@ -504,18 +538,21 @@ bool open_outstream( const bool force, const bool protect )
|
|||
int flags = O_CREAT | O_WRONLY | O_BINARY;
|
||||
if( force ) flags |= O_TRUNC; else flags |= O_EXCL;
|
||||
|
||||
outfd = open( output_filename.c_str(), flags, outfd_mode );
|
||||
if( outfd >= 0 ) delete_output_on_interrupt = true;
|
||||
else if( verbosity >= 0 )
|
||||
{
|
||||
outfd = -1;
|
||||
if( output_filename.size() &&
|
||||
output_filename[output_filename.size()-1] == '/' ) errno = EISDIR;
|
||||
else {
|
||||
if( !protect && !make_dirs( output_filename ) )
|
||||
{ show_file_error( output_filename.c_str(),
|
||||
"Error creating intermediate directory", errno ); return false; }
|
||||
outfd = open( output_filename.c_str(), flags, outfd_mode );
|
||||
if( outfd >= 0 ) { delete_output_on_interrupt = true; return true; }
|
||||
if( errno == EEXIST )
|
||||
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",
|
||||
program_name, output_filename.c_str(), std::strerror( errno ) );
|
||||
{ show_file_error( output_filename.c_str(),
|
||||
"Output file already exists, skipping." ); return false; }
|
||||
}
|
||||
return ( outfd >= 0 );
|
||||
show_file_error( output_filename.c_str(), "Can't create output file", errno );
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
|
@ -545,13 +582,13 @@ void cleanup_and_fail( const int retval )
|
|||
{
|
||||
delete_output_on_interrupt = false;
|
||||
if( saved_verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: Deleting output file '%s', if it exists.\n",
|
||||
std::fprintf( stderr, "%s: %s: Deleting output file, if it exists.\n",
|
||||
program_name, output_filename.c_str() );
|
||||
if( outfd >= 0 ) { close( outfd ); outfd = -1; }
|
||||
if( std::remove( output_filename.c_str() ) != 0 && errno != ENOENT &&
|
||||
saved_verbosity >= 0 )
|
||||
std::fprintf( stderr, "%s: WARNING: deletion of output file "
|
||||
"(apparently) failed.\n", program_name );
|
||||
std::fprintf( stderr, "%s: warning: deletion of output file failed: %s\n",
|
||||
program_name, std::strerror( errno ) );
|
||||
}
|
||||
std::exit( retval );
|
||||
}
|
||||
|
@ -596,7 +633,7 @@ void close_and_set_permissions( const struct stat * const in_statsp )
|
|||
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 in many cases returns 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
|
||||
|
@ -605,10 +642,8 @@ void close_and_set_permissions( const struct stat * const in_statsp )
|
|||
warning = true;
|
||||
}
|
||||
if( close( outfd ) != 0 )
|
||||
{
|
||||
show_error( "Error closing output file", errno );
|
||||
cleanup_and_fail( 1 );
|
||||
}
|
||||
{ show_file_error( output_filename.c_str(), "Error closing output file",
|
||||
errno ); cleanup_and_fail( 1 ); }
|
||||
outfd = -1;
|
||||
delete_output_on_interrupt = false;
|
||||
if( in_statsp )
|
||||
|
@ -619,7 +654,8 @@ void close_and_set_permissions( const struct stat * const in_statsp )
|
|||
if( utime( output_filename.c_str(), &t ) != 0 ) warning = true;
|
||||
}
|
||||
if( warning && verbosity >= 1 )
|
||||
show_error( "Can't change output file attributes." );
|
||||
show_file_error( output_filename.c_str(),
|
||||
"warning: can't change output file attributes", errno );
|
||||
}
|
||||
|
||||
} // end namespace
|
||||
|
@ -708,8 +744,8 @@ long sysconf( int flag )
|
|||
|
||||
int main( const int argc, const char * const argv[] )
|
||||
{
|
||||
/* Mapping from gzip/bzip2 style 1..9 compression modes
|
||||
to the corresponding LZMA compression modes. */
|
||||
/* Mapping from gzip/bzip2 style 0..9 compression levels to the
|
||||
corresponding LZMA compression parameters. */
|
||||
const Lzma_options option_mapping[] =
|
||||
{
|
||||
{ 65535, 16 }, // -0 (65535,16 chooses fast encoder)
|
||||
|
@ -730,10 +766,9 @@ int main( const int argc, const char * const argv[] )
|
|||
int in_slots = 4;
|
||||
int out_slots = 64;
|
||||
Mode program_mode = m_compress;
|
||||
Cl_options cl_opts; // command-line options
|
||||
bool force = false;
|
||||
bool ignore_trailing = true;
|
||||
bool keep_input_files = false;
|
||||
bool loose_trailing = false;
|
||||
bool recompress = false;
|
||||
bool to_stdout = false;
|
||||
if( argc > 0 ) invocation_name = argv[0];
|
||||
|
@ -799,7 +834,7 @@ int main( const int argc, const char * const argv[] )
|
|||
case '0': case '1': case '2': case '3': case '4':
|
||||
case '5': case '6': case '7': case '8': case '9':
|
||||
encoder_options = option_mapping[code-'0']; break;
|
||||
case 'a': ignore_trailing = false; break;
|
||||
case 'a': cl_opts.ignore_trailing = false; break;
|
||||
case 'b': break;
|
||||
case 'B': data_size = getnum( arg, pn, 2 * LZ_min_dictionary_size(),
|
||||
2 * LZ_max_dictionary_size() ); break;
|
||||
|
@ -826,9 +861,9 @@ int main( const int argc, const char * const argv[] )
|
|||
case opt_chk: return check_lib();
|
||||
case opt_dbg: debug_level = getnum( arg, pn, 0, 3 ); break;
|
||||
case opt_in: in_slots = getnum( arg, pn, 1, 64 ); break;
|
||||
case opt_lt: loose_trailing = true; break;
|
||||
case opt_lt: cl_opts.loose_trailing = true; break;
|
||||
case opt_out: out_slots = getnum( arg, pn, 1, 1024 ); break;
|
||||
default : internal_error( "uncaught option." );
|
||||
default: internal_error( "uncaught option." );
|
||||
}
|
||||
} // end process options
|
||||
|
||||
|
@ -850,8 +885,7 @@ int main( const int argc, const char * const argv[] )
|
|||
}
|
||||
if( filenames.empty() ) filenames.push_back("-");
|
||||
|
||||
if( program_mode == m_list )
|
||||
return list_files( filenames, ignore_trailing, loose_trailing );
|
||||
if( program_mode == m_list ) return list_files( filenames, cl_opts );
|
||||
|
||||
const bool fast = encoder_options.dictionary_size == 65535 &&
|
||||
encoder_options.match_len_limit == 16;
|
||||
|
@ -896,11 +930,11 @@ int main( const int argc, const char * const argv[] )
|
|||
int retval = 0;
|
||||
const bool one_to_one = !to_stdout && program_mode != m_test && !to_file;
|
||||
bool stdin_used = false;
|
||||
struct stat in_stats;
|
||||
for( unsigned i = 0; i < filenames.size(); ++i )
|
||||
{
|
||||
std::string input_filename;
|
||||
int infd;
|
||||
struct stat in_stats;
|
||||
|
||||
pp.set_name( filenames[i] );
|
||||
if( filenames[i] == "-" )
|
||||
|
@ -917,7 +951,7 @@ int main( const int argc, const char * const argv[] )
|
|||
eindex, one_to_one, recompress );
|
||||
if( infd < 0 ) { set_retval( retval, 1 ); continue; }
|
||||
if( !check_tty_in( pp.name(), infd, program_mode, retval ) ) continue;
|
||||
if( one_to_one ) // open outfd after verifying infd
|
||||
if( one_to_one ) // open outfd after checking infd
|
||||
{
|
||||
if( program_mode == m_compress )
|
||||
set_c_outname( input_filename, true, true );
|
||||
|
@ -930,7 +964,7 @@ int main( const int argc, const char * const argv[] )
|
|||
if( one_to_one && !check_tty_out( program_mode ) )
|
||||
{ set_retval( retval, 1 ); return retval; } // don't delete a tty
|
||||
|
||||
if( to_file && outfd < 0 ) // open outfd after verifying infd
|
||||
if( to_file && outfd < 0 ) // open outfd after checking infd
|
||||
{
|
||||
if( program_mode == m_compress ) set_c_outname( default_output_filename,
|
||||
filenames_given, false );
|
||||
|
@ -950,9 +984,9 @@ int main( const int argc, const char * const argv[] )
|
|||
encoder_options.match_len_limit, num_workers,
|
||||
infd, outfd, pp, debug_level );
|
||||
else
|
||||
tmp = decompress( cfile_size, num_workers, infd, outfd, pp,
|
||||
debug_level, in_slots, out_slots, ignore_trailing,
|
||||
loose_trailing, infd_isreg, one_to_one );
|
||||
tmp = decompress( cfile_size, num_workers, infd, outfd, cl_opts, pp,
|
||||
debug_level, in_slots, out_slots, infd_isreg,
|
||||
one_to_one );
|
||||
if( close( infd ) != 0 )
|
||||
{ show_file_error( pp.name(), "Error closing input file", errno );
|
||||
set_retval( tmp, 1 ); }
|
||||
|
@ -966,7 +1000,9 @@ int main( const int argc, const char * const argv[] )
|
|||
if( input_filename.size() && !keep_input_files && one_to_one )
|
||||
std::remove( input_filename.c_str() );
|
||||
}
|
||||
if( delete_output_on_interrupt ) close_and_set_permissions( 0 ); // -o
|
||||
if( delete_output_on_interrupt ) // -o
|
||||
close_and_set_permissions( ( retval == 0 && !stdin_used &&
|
||||
filenames_given && filenames.size() == 1 ) ? &in_stats : 0 );
|
||||
else if( outfd >= 0 && close( outfd ) != 0 ) // -c
|
||||
{
|
||||
show_error( "Error closing stdout", errno );
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue