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* Updating the license from MPL to Business Source License Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at https://hashi.co/bsl-blog, FAQ at https://hashi.co/license-faq, and details of the license at www.hashicorp.com/bsl. * Update copyright file headers to BUSL-1.1 --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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//go:build windows
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// +build windows
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package wrappedstreams
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import (
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"log"
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"os"
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"syscall"
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)
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func initPlatform() {
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wrappedStdin = openConsole("CONIN$", os.Stdin)
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wrappedStdout = openConsole("CONOUT$", os.Stdout)
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wrappedStderr = wrappedStdout
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}
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// openConsole opens a console handle, using a backup if it fails.
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// This is used to get the exact console handle instead of the redirected
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// handles from panicwrap.
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func openConsole(name string, backup *os.File) *os.File {
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// Convert to UTF16
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path, err := syscall.UTF16PtrFromString(name)
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if err != nil {
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log.Printf("[ERROR] wrappedstreams: %s", err)
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return backup
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}
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// Determine the share mode
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var shareMode uint32
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switch name {
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case "CONIN$":
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shareMode = syscall.FILE_SHARE_READ
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case "CONOUT$":
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shareMode = syscall.FILE_SHARE_WRITE
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}
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// Get the file
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h, err := syscall.CreateFile(
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path,
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syscall.GENERIC_READ|syscall.GENERIC_WRITE,
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shareMode,
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nil,
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syscall.OPEN_EXISTING,
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0, 0)
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if err != nil {
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log.Printf("[ERROR] wrappedstreams: %s", err)
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return backup
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}
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// Create the Go file
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return os.NewFile(uintptr(h), name)
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}
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