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/* Lziprecover - Data recovery tool for the lzip format
Copyright (C) 2009-2022 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
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
struct Bad_byte
{
enum Mode { literal, delta, flip };
long long pos;
const char * option_name;
Mode mode;
uint8_t value;
Bad_byte() : pos( -1 ), option_name( 0 ), mode( literal ), value( 0 ) {}
uint8_t operator()( const uint8_t old_value ) const
{
if( mode == delta ) return old_value + value;
if( mode == flip ) return old_value ^ value;
return value;
}
void parse_bb( const char * const arg, const char * const pn );
};
// defined in main_common.cc
void show_error( const char * const msg, const int errcode = 0,
const bool help = false );
void show_file_error( const char * const filename, const char * const msg,
const int errcode = 0 );
void internal_error( const char * const msg );
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