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touch: Port to LibMain :^)

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This commit is contained in:
Andreas Kling 2021-12-20 19:50:13 +01:00
parent db766d0972
commit bcd49ad834
Notes: sideshowbarker 2024-07-17 22:32:50 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/bcd49ad8343
2 changed files with 11 additions and 20 deletions
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1
Userland/Utilities/CMakeLists.txt
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@ -136,6 +136,7 @@ target_link_libraries(test-fuzz LibCore LibGemini LibGfx LibHTTP LibIPC LibJS Li
target_link_libraries(test-imap LibIMAP)
target_link_libraries(test-pthread LibThreading)
target_link_libraries(top LibMain)
target_link_libraries(touch LibMain)
target_link_libraries(truncate LibMain)
target_link_libraries(tt LibPthread)
target_link_libraries(unzip LibArchive LibCompress)

30
Userland/Utilities/touch.cpp
View file

@ -1,10 +1,12 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@ -28,12 +30,9 @@ static bool file_exists(const char* path)
exit(1);
}
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
if (pledge("stdio rpath cpath fattr", nullptr)) {
perror("pledge");
return 1;
}
TRY(Core::System::pledge("stdio rpath cpath fattr"));
Vector<const char*> paths;
@ -41,24 +40,15 @@ int main(int argc, char** argv)
args_parser.set_general_help("Create a file, or update its mtime (time of last modification).");
args_parser.add_ignored(nullptr, 'f');
args_parser.add_positional_argument(paths, "Files to touch", "path", Core::ArgsParser::Required::Yes);
args_parser.parse(argc, argv);
args_parser.parse(arguments);
for (auto path : paths) {
if (file_exists(path)) {
int rc = utime(path, nullptr);
if (rc < 0)
perror("utime");
if (auto result = Core::System::utime(path, {}); result.is_error())
warnln("{}", result.release_error());
} else {
int fd = open(path, O_CREAT, 0100644);
if (fd < 0) {
perror("open");
return 1;
}
int rc = close(fd);
if (rc < 0) {
perror("close");
return 1;
}
int fd = TRY(Core::System::open(path, O_CREAT, 0100644));
TRY(Core::System::close(fd));
}
}
return 0;