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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2025 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include "program.h"
#include "cmdline.h"
#include "crc.h"
static char *opt_algorithmName;
static char *opt_algorithmClass;
static char *opt_checksumWidth;
static char *opt_reflectData;
static char *opt_reflectResult;
static char *opt_generatorPolynomial;
static char *opt_initialValue;
static char *opt_xorMask;
static char *opt_checkValue;
static char *opt_residue;
BEGIN_OPTION_TABLE(programOptions)
{ .word = "name",
.letter = 'n',
.argument = "string",
.setting.string = &opt_algorithmName,
.description = "the algorithm name"
},
{ .word = "class",
.letter = 'c',
.argument = "string",
.setting.string = &opt_algorithmClass,
.description = "the algorithm class"
},
{ .word = "width",
.letter = 'w',
.argument = "integer",
.setting.string = &opt_checksumWidth,
.description = "the checksum width"
},
{ .word = "reflect-data",
.letter = 'd',
.argument = "boolean",
.setting.string = &opt_reflectData,
.description = "reflect the data"
},
{ .word = "reflect-result",
.letter = 'r',
.argument = "boolean",
.setting.string = &opt_reflectResult,
.description = "reflect the result"
},
{ .word = "polynomial",
.letter = 'p',
.argument = "integer",
.setting.string = &opt_generatorPolynomial,
.description = "the generator polynomial"
},
{ .word = "initial-value",
.letter = 'i',
.argument = "integer",
.setting.string = &opt_initialValue,
.description = "the initial value"
},
{ .word = "xor-mask",
.letter = 'x',
.argument = "integer",
.setting.string = &opt_xorMask,
.description = "the final xor mask"
},
{ .word = "check-value",
.letter = 'C',
.argument = "integer",
.setting.string = &opt_checkValue,
.description = "the check value"
},
{ .word = "residue",
.letter = 'R',
.argument = "integer",
.setting.string = &opt_residue,
.description = "the residue"
},
END_OPTION_TABLE(programOptions)
static int
validateOptions (void) {
return 1;
}
int
main (int argc, char *argv[]) {
{
const CommandLineDescriptor descriptor = {
.options = &programOptions,
.applicationName = "crctest",
.usage = {
.purpose = strtext("Test supported CRC (Cyclic Redundancy Check) checksum algorithms."),
}
};
PROCESS_OPTIONS(descriptor, argc, argv);
}
if (!validateOptions()) return PROG_EXIT_SYNTAX;
if (!crcVerifyProvidedAlgorithms()) return PROG_EXIT_FATAL;
return PROG_EXIT_SUCCESS;
}
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