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LibCore: Add System::link()

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This commit is contained in:
Tim Schumacher 2022-07-25 16:03:51 +02:00 • committed by Linus Groh
parent bac4bdc5d2
commit c44b9acac3
2 changed files with 19 additions and 0 deletions
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18
Userland/Libraries/LibCore/System.cpp
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@ -770,6 +770,24 @@ ErrorOr<bool> isatty(int fd)
return rc == 1;
}
ErrorOr<void> link(StringView old_path, StringView new_path)
{
#ifdef __serenity__
Syscall::SC_link_params params {
.old_path = { old_path.characters_without_null_termination(), old_path.length() },
.new_path = { new_path.characters_without_null_termination(), new_path.length() },
};
int rc = syscall(SC_link, &params);
HANDLE_SYSCALL_RETURN_VALUE("link", rc, {});
#else
String old_path_string = old_path;
String new_path_string = new_path;
if (::link(old_path_string.characters(), new_path_string.characters()) < 0)
return Error::from_syscall("link"sv, -errno);
return {};
#endif
}
ErrorOr<void> symlink(StringView target, StringView link_path)
{
#ifdef __serenity__

1
Userland/Libraries/LibCore/System.h
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@ -144,6 +144,7 @@ ErrorOr<void> setpgid(pid_t pid, pid_t pgid);
ErrorOr<pid_t> setsid();
ErrorOr<void> drop_privileges();
ErrorOr<bool> isatty(int fd);
ErrorOr<void> link(StringView old_path, StringView new_path);
ErrorOr<void> symlink(StringView target, StringView link_path);
ErrorOr<void> mkdir(StringView path, mode_t);
ErrorOr<void> chdir(StringView path);