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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/FileSystem/FileDescription.h>
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#include <Kernel/Process.h>
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#include <Kernel/TTY/MasterPTY.h>
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#include <Kernel/TTY/TTY.h>
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namespace Kernel {
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KResultOr<int> Process::sys$ttyname(int fd, Userspace<char*> buffer, size_t size)
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{
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REQUIRE_PROMISE(tty);
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auto description = file_description(fd);
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if (!description)
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return EBADF;
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if (!description->is_tty())
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return ENOTTY;
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auto tty_name = description->tty()->tty_name();
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if (size < tty_name.length() + 1)
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return ERANGE;
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if (!copy_to_user(buffer, tty_name.characters(), tty_name.length() + 1))
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return EFAULT;
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return 0;
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}
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KResultOr<int> Process::sys$ptsname(int fd, Userspace<char*> buffer, size_t size)
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{
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REQUIRE_PROMISE(tty);
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auto description = file_description(fd);
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if (!description)
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return EBADF;
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auto* master_pty = description->master_pty();
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if (!master_pty)
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return ENOTTY;
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auto pts_name = master_pty->pts_name();
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if (size < pts_name.length() + 1)
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return ERANGE;
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if (!copy_to_user(buffer, pts_name.characters(), pts_name.length() + 1))
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return EFAULT;
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return 0;
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}
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}
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