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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/ByteBuffer.h>
#include <AK/LogStream.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <ctype.h>
int main(int argc, char** argv)
{
Core::ArgsParser args_parser;
const char* path = nullptr;
args_parser.add_positional_argument(path, "Input", "input", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
RefPtr<Core::File> file;
if (!path) {
file = Core::File::standard_input();
} else {
auto file_or_error = Core::File::open(path, Core::File::ReadOnly);
if (file_or_error.is_error()) {
warnln("Failed to open {}: {}", path, file_or_error.error());
return 1;
}
file = file_or_error.value();
}
auto contents = file->read_all();
Vector<u8, 16> line;
auto print_line = [&] {
for (size_t i = 0; i < 16; ++i) {
if (i < line.size())
printf("%02x ", line[i]);
else
printf(" ");
if (i == 7)
printf(" ");
}
printf(" ");
for (size_t i = 0; i < 16; ++i) {
if (i < line.size() && isprint(line[i]))
putchar(line[i]);
else
putchar(' ');
}
putchar('\n');
};
for (size_t i = 0; i < contents.size(); ++i) {
line.append(contents[i]);
if (line.size() == 16) {
print_line();
line.clear();
}
}
if (!line.is_empty())
print_line();
return 0;
}
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