Adding upstream version 0.9.
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
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6b2e53e60c
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GPG key ID:
FBB4F0E80A80222F
14 changed files with 193 additions and 200 deletions
87
main.cc
87
main.cc
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@ -48,16 +48,6 @@
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#error "Environments where CHAR_BIT != 8 are not supported."
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#endif
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#ifndef LLONG_MAX
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#define LLONG_MAX 0x7FFFFFFFFFFFFFFFLL
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#endif
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#ifndef LLONG_MIN
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#define LLONG_MIN (-LLONG_MAX - 1LL)
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#endif
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#ifndef ULLONG_MAX
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#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL
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#endif
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namespace {
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@ -87,13 +77,15 @@ enum Mode { m_compress, m_decompress, m_test };
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std::string output_filename;
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int outfd = -1;
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mode_t outfd_mode = S_IRUSR | S_IWUSR;
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const mode_t usr_rw = S_IRUSR | S_IWUSR;
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const mode_t all_rw = usr_rw | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
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mode_t outfd_mode = usr_rw;
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bool delete_output_on_interrupt = false;
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pthread_t main_thread;
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pid_t main_thread_pid;
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void show_help() throw()
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void show_help()
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{
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std::printf( "%s - A parallel compressor compatible with lzip.\n", Program_name );
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std::printf( "\nUsage: %s [options] [files]\n", invocation_name );
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@ -133,7 +125,7 @@ void show_help() throw()
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}
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void show_version() throw()
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void show_version()
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{
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std::printf( "%s %s\n", Program_name, PROGVERSION );
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std::printf( "Copyright (C) 2009 Laszlo Ersek.\n"
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@ -147,7 +139,7 @@ void show_version() throw()
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long long getnum( const char * const ptr,
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const long long llimit = LLONG_MIN + 1,
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const long long ulimit = LLONG_MAX ) throw()
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const long long ulimit = LLONG_MAX )
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{
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errno = 0;
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char *tail;
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@ -200,7 +192,7 @@ long long getnum( const char * const ptr,
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}
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int get_dict_size( const char * const arg ) throw()
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int get_dict_size( const char * const arg )
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{
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char *tail;
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int bits = std::strtol( arg, &tail, 0 );
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@ -211,7 +203,7 @@ int get_dict_size( const char * const arg ) throw()
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}
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int extension_index( const std::string & name ) throw()
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int extension_index( const std::string & name )
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{
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for( int i = 0; known_extensions[i].from; ++i )
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{
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@ -226,7 +218,7 @@ int extension_index( const std::string & name ) throw()
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int open_instream( const std::string & name, struct stat * const in_statsp,
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const Mode program_mode, const int eindex,
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const bool recompress, const bool to_stdout ) throw()
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const bool recompress, const bool to_stdout )
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{
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int infd = -1;
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if( program_mode == m_compress && !recompress && eindex >= 0 )
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@ -268,14 +260,14 @@ int open_instream( const std::string & name, struct stat * const in_statsp,
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}
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void set_c_outname( const std::string & name ) throw()
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void set_c_outname( const std::string & name )
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{
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output_filename = name;
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output_filename += known_extensions[0].from;
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}
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void set_d_outname( const std::string & name, const int i ) throw()
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void set_d_outname( const std::string & name, const int i )
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{
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if( i >= 0 )
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{
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@ -294,7 +286,7 @@ void set_d_outname( const std::string & name, const int i ) throw()
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}
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bool open_outstream( const bool force ) throw()
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bool open_outstream( const bool force )
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{
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int flags = O_CREAT | O_WRONLY | o_binary;
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if( force ) flags |= O_TRUNC; else flags |= O_EXCL;
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@ -313,7 +305,7 @@ bool open_outstream( const bool force ) throw()
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}
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bool check_tty( const int infd, const Mode program_mode ) throw()
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bool check_tty( const int infd, const Mode program_mode )
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{
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if( program_mode == m_compress && outfd >= 0 && isatty( outfd ) )
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{
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@ -330,7 +322,7 @@ bool check_tty( const int infd, const Mode program_mode ) throw()
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}
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void cleanup_and_fail( const int retval ) throw()
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void cleanup_and_fail( const int retval )
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{
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if( delete_output_on_interrupt )
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{
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@ -372,7 +364,7 @@ void close_and_set_permissions( const struct stat * const in_statsp )
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}
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extern "C" void signal_handler( int sig ) throw()
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extern "C" void signal_handler( int sig )
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{
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if( !pthread_equal( pthread_self(), main_thread ) )
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kill( main_thread_pid, sig );
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@ -382,7 +374,7 @@ extern "C" void signal_handler( int sig ) throw()
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}
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void set_signals() throw()
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void set_signals()
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{
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std::signal( SIGHUP, signal_handler );
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std::signal( SIGINT, signal_handler );
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@ -402,7 +394,7 @@ int verbosity = 0;
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void fatal() { signal_handler( SIGUSR1 ); }
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void Pretty_print::operator()( const char * const msg ) const throw()
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void Pretty_print::operator()( const char * const msg ) const
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{
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if( verbosity >= 0 )
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{
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@ -419,7 +411,7 @@ void Pretty_print::operator()( const char * const msg ) const throw()
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}
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void show_error( const char * const msg, const int errcode, const bool help ) throw()
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void show_error( const char * const msg, const int errcode, const bool help )
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{
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if( verbosity >= 0 )
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{
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@ -437,7 +429,7 @@ void show_error( const char * const msg, const int errcode, const bool help ) th
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}
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void internal_error( const char * const msg ) throw()
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void internal_error( const char * const msg )
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{
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if( verbosity >= 0 )
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std::fprintf( stderr, "%s: internal error: %s.\n", program_name, msg );
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@ -445,43 +437,6 @@ void internal_error( const char * const msg ) throw()
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}
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// Returns the number of bytes really read.
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// If (returned value < size) and (errno == 0), means EOF was reached.
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//
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int readblock( const int fd, uint8_t * const buf, const int size ) throw()
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{
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int rest = size;
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errno = 0;
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while( rest > 0 )
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{
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errno = 0;
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const int n = read( fd, buf + size - rest, rest );
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if( n > 0 ) rest -= n;
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else if( n == 0 ) break;
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else if( errno != EINTR && errno != EAGAIN ) break;
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}
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return ( rest > 0 ) ? size - rest : size;
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}
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// Returns the number of bytes really written.
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// If (returned value < size), it is always an error.
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//
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int writeblock( const int fd, const uint8_t * const buf, const int size ) throw()
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{
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int rest = size;
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errno = 0;
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while( rest > 0 )
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{
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errno = 0;
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const int n = write( fd, buf + size - rest, rest );
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if( n > 0 ) rest -= n;
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else if( n < 0 && errno != EINTR && errno != EAGAIN ) break;
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}
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return ( rest > 0 ) ? size - rest : size;
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}
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int main( const int argc, const char * const argv[] )
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{
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// Mapping from gzip/bzip2 style 1..9 compression modes
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@ -649,7 +604,7 @@ int main( const int argc, const char * const argv[] )
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if( program_mode == m_compress )
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set_c_outname( default_output_filename );
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else output_filename = default_output_filename;
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outfd_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
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outfd_mode = all_rw;
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if( !open_outstream( force ) )
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{
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if( outfd == -1 && retval < 1 ) retval = 1;
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@ -674,7 +629,7 @@ int main( const int argc, const char * const argv[] )
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if( program_mode == m_compress )
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set_c_outname( input_filename );
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else set_d_outname( input_filename, eindex );
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outfd_mode = S_IRUSR | S_IWUSR;
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outfd_mode = usr_rw;
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if( !open_outstream( force ) )
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{
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if( outfd == -1 && retval < 1 ) retval = 1;
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