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fdtdump: Port to LibMain

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This commit is contained in:
Kenneth Myhra 2021-12-07 22:06:38 +01:00 • committed by Brian Gianforcaro
parent a35f51f0f0
commit 27e63d40f1
2 changed files with 7 additions and 14 deletions
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19
Userland/Utilities/fdtdump.cpp
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@ -7,29 +7,22 @@
#include <AK/String.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/MappedFile.h>
#include <LibCore/System.h>
#include <LibDeviceTree/Validation.h>
#include <serenity.h>
#include <LibMain/Main.h>
int main(int argc, char* argv[])
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
if (pledge("stdio rpath", nullptr) < 0) {
perror("pledge");
return 1;
}
TRY(Core::System::pledge("stdio rpath"));
String filename;
Core::ArgsParser args;
args.add_positional_argument(filename, "File to process", "file", Core::ArgsParser::Required::Yes);
args.parse(argc, argv);
args.parse(arguments);
// FIXME: Figure out how to do this sanely from stdin
auto maybe_file = Core::MappedFile::map(filename);
if (maybe_file.is_error()) {
warnln("Unable to dump device tree from file {}: {}", filename, maybe_file.error());
return 1;
}
auto file = maybe_file.release_value();
auto file = TRY(Core::MappedFile::map(filename));
if (file->size() < sizeof(DeviceTree::FlattenedDeviceTreeHeader)) {
warnln("Not enough data in {} to contain a device tree header!", filename);