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lsirq: Port to LibMain

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This commit is contained in:
Kenneth Myhra 2022-01-20 15:42:33 +01:00 • committed by Andreas Kling
parent 4a69072c3a
commit 6a7ffcddba
2 changed files with 10 additions and 31 deletions
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1
Userland/Utilities/CMakeLists.txt
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@ -122,6 +122,7 @@ target_link_libraries(less LibMain)
target_link_libraries(ln LibMain) target_link_libraries(ln LibMain)
target_link_libraries(logout LibMain) target_link_libraries(logout LibMain)
target_link_libraries(ls LibMain) target_link_libraries(ls LibMain)
target_link_libraries(lsirq LibMain)
target_link_libraries(lspci LibPCIDB LibMain) target_link_libraries(lspci LibPCIDB LibMain)
target_link_libraries(lsusb LibUSBDB LibMain) target_link_libraries(lsusb LibUSBDB LibMain)
target_link_libraries(man LibMarkdown LibMain) target_link_libraries(man LibMarkdown LibMain)

40
Userland/Utilities/lsirq.cpp
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@ -4,47 +4,25 @@
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
#include <AK/Assertions.h>
#include <AK/ByteBuffer.h>
#include <AK/JsonArray.h> #include <AK/JsonArray.h>
#include <AK/JsonObject.h> #include <AK/JsonObject.h>
#include <LibCore/File.h> #include <LibCore/File.h>
#include <stdio.h> #include <LibCore/System.h>
#include <unistd.h> #include <LibMain/Main.h>
int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv) ErrorOr<int> serenity_main(Main::Arguments)
{ {
if (pledge("stdio rpath", nullptr) < 0) { TRY(Core::System::pledge("stdio rpath"));
perror("pledge"); TRY(Core::System::unveil("/proc/interrupts", "r"));
return 1; TRY(Core::System::unveil(nullptr, nullptr));
}
if (unveil("/proc/interrupts", "r") < 0) { auto proc_interrupts = TRY(Core::File::open("/proc/interrupts", Core::OpenMode::ReadOnly));
perror("unveil");
return 1;
}
unveil(nullptr, nullptr); TRY(Core::System::pledge("stdio"));
auto proc_interrupts = Core::File::construct("/proc/interrupts");
if (!proc_interrupts->open(Core::OpenMode::ReadOnly)) {
warnln("Error: {}", proc_interrupts->error_string());
return 1;
}
if (pledge("stdio", nullptr) < 0) {
perror("pledge");
return 1;
}
outln(" CPU0"); outln(" CPU0");
auto file_contents = proc_interrupts->read_all(); auto file_contents = proc_interrupts->read_all();
auto json_or_error = JsonValue::from_string(file_contents); auto json = TRY(JsonValue::from_string(file_contents));
if (json_or_error.is_error()) {
warnln("Error: {}", json_or_error.error());
return 1;
}
auto json = json_or_error.release_value();
json.as_array().for_each([](auto& value) { json.as_array().for_each([](auto& value) {
auto& handler = value.as_object(); auto& handler = value.as_object();
auto purpose = handler.get("purpose").to_string(); auto purpose = handler.get("purpose").to_string();