57 lines
2.5 KiB
C++
57 lines
2.5 KiB
C++
/* Zutils - Utilities dealing with compressed files
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Copyright (C) 2009, 2010 Antonio Diaz Diaz.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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const char * const Program_name = "Zutils";
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const char * const program_name = "zutils";
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const char * const program_year = "2010";
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extern const char * invocation_name;
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extern const char * util_name;
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extern int verbosity;
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const char * const simple_extensions[] = { ".gz", ".lz", ".bz2", ".xz", 0 };
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enum { bzip2_magic_size = 3 };
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enum { gzip_magic_size = 2 };
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enum { lzip_magic_size = 4 };
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enum { xz_magic_size = 5 };
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const uint8_t bzip2_magic[bzip2_magic_size] = { 'B', 'Z', 'h' };
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const uint8_t gzip_magic[ gzip_magic_size] = { '\x1F', '\x8B' };
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const uint8_t lzip_magic[ lzip_magic_size] = { 'L', 'Z', 'I', 'P' };
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const uint8_t xz_magic[ xz_magic_size] = { '\xFD', '7', 'z', 'X', 'Z' };
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int readblock( const int fd, uint8_t * const buf, const int size ) throw();
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int writeblock( const int fd, const uint8_t * const buf, const int size ) throw();
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bool feed_data( const int infd, const int outfd,
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const uint8_t * magic_data, const int magic_size );
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bool set_data_feeder( int * const infdp, pid_t * const pidp );
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void show_help_addr() throw();
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void show_version( const char * const Util_name = 0 ) throw();
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void show_error( const char * const msg, const int errcode = 0,
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const bool help = false ) throw();
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void show_error2( const char * const msg, const char * const name ) throw();
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void show_close_error( const char * const prog_name ) throw();
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void show_exec_error( const char * const prog_name ) throw();
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void show_fork_error( const char * const prog_name ) throw();
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void internal_error( const char * const msg );
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bool test_format( const int infd, std::string & file_type,
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const uint8_t ** magic_data, int * magic_sizep );
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int wait_for_child( const pid_t pid, const char * const name );
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