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Kernel: Move TTY subsystem to use KString instead of AK::String

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This is minor progress on removing the `AK::String` API from the Kernel
in the interest of improving OOM safety.
This commit is contained in:
Brian Gianforcaro 2021-10-31 22:47:19 -07:00 • committed by Andreas Kling
parent 71f05c70b4
commit 9f6eabd73a
10 changed files with 36 additions and 27 deletions
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4
Kernel/Syscalls/ttyname.cpp
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@ -18,7 +18,7 @@ KResultOr<FlatPtr> Process::sys$ttyname(int fd, Userspace<char*> buffer, size_t
auto description = TRY(fds().open_file_description(fd));
if (!description->is_tty())
return ENOTTY;
auto tty_name = description->tty()->tty_name();
auto& tty_name = description->tty()->tty_name();
if (size < tty_name.length() + 1)
return ERANGE;
return copy_to_user(buffer, tty_name.characters(), tty_name.length() + 1);
@ -32,7 +32,7 @@ KResultOr<FlatPtr> Process::sys$ptsname(int fd, Userspace<char*> buffer, size_t
auto* master_pty = description->master_pty();
if (!master_pty)
return ENOTTY;
auto pts_name = master_pty->pts_name();
auto& pts_name = master_pty->pts_name();
if (size < pts_name.length() + 1)
return ERANGE;
return copy_to_user(buffer, pts_name.characters(), pts_name.length() + 1);