Andy DixonandClaude
69f4b90777
oracle/go is the Go code at 4c1507c, moved unchanged, plus test-only
generators that record what it computes. tests/vectors holds the
deterministic crypto/store vectors and synthetic fixtures they produce.
Co-Authored-By: Claude <noreply@anthropic.com>
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// SPDX-License-Identifier: GPL-3.0-or-later
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package term
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import (
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"errors"
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"os"
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"syscall"
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"golang.org/x/sys/windows"
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)
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func init() {
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enableVirtualTerminalProcessing = func(out *os.File) error {
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// Some instances of the Windows Console (e.g., cmd.exe and Windows PowerShell)
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// do not have the virtual terminal processing enabled, which is necessary to
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// make terminal escape sequences work. For this reason the clearLine function
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// may not properly work. Here we enable the virtual terminal processing, if
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// possible.
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//
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// See https://learn.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences.
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const (
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ENABLE_PROCESSED_OUTPUT uint32 = 0x1
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ENABLE_VIRTUAL_TERMINAL_PROCESSING uint32 = 0x4
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)
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kernel32DLL := windows.NewLazySystemDLL("Kernel32.dll")
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setConsoleMode := kernel32DLL.NewProc("SetConsoleMode")
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var mode uint32
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if err := syscall.GetConsoleMode(syscall.Handle(out.Fd()), &mode); err != nil {
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return err
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}
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mode |= ENABLE_PROCESSED_OUTPUT
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mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING
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// If the SetConsoleMode function fails, the return value is zero.
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// See https://learn.microsoft.com/en-us/windows/console/setconsolemode#return-value.
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if ret, _, _ := setConsoleMode.Call(out.Fd(), uintptr(mode)); ret == 0 {
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return errors.New("SetConsoleMode failed")
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}
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return nil
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}
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}
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