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pmap: Port to LibMain :^)

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This commit is contained in:
Andreas Kling 2021-11-23 15:33:49 +01:00
parent d8482134b6
commit 8b5c0e8e71
2 changed files with 10 additions and 22 deletions
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1
Userland/Utilities/CMakeLists.txt
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@ -86,6 +86,7 @@ target_link_libraries(passwd LibCrypt)
target_link_libraries(paste LibGUI) target_link_libraries(paste LibGUI)
target_link_libraries(pgrep LibRegex) target_link_libraries(pgrep LibRegex)
target_link_libraries(pls LibCrypt) target_link_libraries(pls LibCrypt)
target_link_libraries(pmap LibMain)
target_link_libraries(pro LibProtocol) target_link_libraries(pro LibProtocol)
target_link_libraries(run-tests LibRegex) target_link_libraries(run-tests LibRegex)
target_link_libraries(shot LibGUI) target_link_libraries(shot LibGUI)

31
Userland/Utilities/pmap.cpp
View file

@ -4,28 +4,19 @@
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
#include <AK/Assertions.h>
#include <AK/JsonObject.h> #include <AK/JsonObject.h>
#include <AK/QuickSort.h> #include <AK/QuickSort.h>
#include <AK/String.h> #include <AK/String.h>
#include <LibCore/ArgsParser.h> #include <LibCore/ArgsParser.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(int argc, char** argv) ErrorOr<int> serenity_main(Main::Arguments arguments)
{ {
if (pledge("stdio rpath", nullptr) < 0) { TRY(Core::System::pledge("stdio rpath", nullptr));
perror("pledge"); TRY(Core::System::unveil("/proc", "r"));
return 1; TRY(Core::System::unveil(nullptr, nullptr));
}
if (unveil("/proc", "r") < 0) {
perror("unveil");
return 1;
}
unveil(nullptr, nullptr);
const char* pid; const char* pid;
static bool extended = false; static bool extended = false;
@ -33,13 +24,9 @@ int main(int argc, char** argv)
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_option(extended, "Extended output", nullptr, 'x'); args_parser.add_option(extended, "Extended output", nullptr, 'x');
args_parser.add_positional_argument(pid, "PID", "PID", Core::ArgsParser::Required::Yes); args_parser.add_positional_argument(pid, "PID", "PID", Core::ArgsParser::Required::Yes);
args_parser.parse(argc, argv); args_parser.parse(arguments);
auto file = Core::File::construct(String::formatted("/proc/{}/vm", pid)); auto file = TRY(Core::File::open(String::formatted("/proc/{}/vm", pid), Core::OpenMode::ReadOnly));
if (!file->open(Core::OpenMode::ReadOnly)) {
warnln("Failed to open {}: {}", file->name(), file->error_string());
return 1;
}
outln("{}:", pid); outln("{}:", pid);
@ -56,7 +43,7 @@ int main(int argc, char** argv)
} }
auto file_contents = file->read_all(); auto file_contents = file->read_all();
auto json = JsonValue::from_string(file_contents).release_value_but_fixme_should_propagate_errors(); auto json = TRY(JsonValue::from_string(file_contents));
Vector<JsonValue> sorted_regions = json.as_array().values(); Vector<JsonValue> sorted_regions = json.as_array().values();
quick_sort(sorted_regions, [](auto& a, auto& b) { quick_sort(sorted_regions, [](auto& a, auto& b) {