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cksum: Port to LibMain :^)

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This commit is contained in:
Kenneth Myhra 2021-11-27 16:51:46 +01:00 • committed by Brian Gianforcaro
parent 67a18d51c7
commit 6e066bf1cd
2 changed files with 10 additions and 9 deletions
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17
Userland/Utilities/cksum.cpp
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@ -8,9 +8,10 @@
#include <LibCore/File.h>
#include <LibCrypto/Checksum/Adler32.h>
#include <LibCrypto/Checksum/CRC32.h>
#include <LibMain/Main.h>
#include <string.h>
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Vector<const char*> paths;
const char* opt_algorithm = nullptr;
@ -18,7 +19,7 @@ int main(int argc, char** argv)
Core::ArgsParser args_parser;
args_parser.add_option(opt_algorithm, "Checksum algorithm (default 'crc32', use 'list' to list available algorithms)", "algorithm", '\0', nullptr);
args_parser.add_positional_argument(paths, "File", "file", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
args_parser.parse(arguments);
auto algorithm = (opt_algorithm == nullptr) ? "crc32" : String(opt_algorithm).to_lowercase();
@ -33,7 +34,7 @@ int main(int argc, char** argv)
}
if (!available_algorithms.contains_slow(algorithm)) {
warnln("{}: Unknown checksum algorithm: {}", argv[0], algorithm);
warnln("{}: Unknown checksum algorithm: {}", arguments.strings[0], algorithm);
exit(1);
}
@ -45,13 +46,13 @@ int main(int argc, char** argv)
auto filepath = (StringView(path) == "-") ? "/dev/stdin" : path;
auto file = Core::File::construct(filepath);
if (!file->open(Core::OpenMode::ReadOnly)) {
warnln("{}: {}: {}", argv[0], path, file->error_string());
warnln("{}: {}: {}", arguments.strings[0], path, file->error_string());
fail = true;
continue;
}
struct stat st;
if (fstat(file->fd(), &st) < 0) {
warnln("{}: Failed to fstat {}: {}", argv[0], filepath, strerror(errno));
warnln("{}: Failed to fstat {}: {}", arguments.strings[0], filepath, strerror(errno));
fail = true;
continue;
}
@ -60,7 +61,7 @@ int main(int argc, char** argv)
while (!file->eof() && !file->has_error())
crc32.update(file->read(PAGE_SIZE));
if (file->has_error()) {
warnln("{}: Failed to read {}: {}", argv[0], filepath, file->error_string());
warnln("{}: Failed to read {}: {}", arguments.strings[0], filepath, file->error_string());
fail = true;
continue;
}
@ -70,13 +71,13 @@ int main(int argc, char** argv)
while (!file->eof() && !file->has_error())
adler32.update(file->read(PAGE_SIZE));
if (file->has_error()) {
warnln("{}: Failed to read {}: {}", argv[0], filepath, file->error_string());
warnln("{}: Failed to read {}: {}", arguments.strings[0], filepath, file->error_string());
fail = true;
continue;
}
outln("{:08x} {} {}", adler32.digest(), st.st_size, path);
} else {
warnln("{}: Unknown checksum algorithm: {}", argv[0], algorithm);
warnln("{}: Unknown checksum algorithm: {}", arguments.strings[0], algorithm);
exit(1);
}
}