diff options
Diffstat (limited to 'vendor/golang.org/x/term/term_solaris.go')
-rw-r--r-- | vendor/golang.org/x/term/term_solaris.go | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/vendor/golang.org/x/term/term_solaris.go b/vendor/golang.org/x/term/term_solaris.go new file mode 100644 index 00000000..b9da2974 --- /dev/null +++ b/vendor/golang.org/x/term/term_solaris.go @@ -0,0 +1,111 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package term + +import ( + "io" + "syscall" + + "golang.org/x/sys/unix" +) + +// State contains the state of a terminal. +type state struct { + termios unix.Termios +} + +func isTerminal(fd int) bool { + _, err := unix.IoctlGetTermio(fd, unix.TCGETA) + return err == nil +} + +func readPassword(fd int) ([]byte, error) { + // see also: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c + val, err := unix.IoctlGetTermios(fd, unix.TCGETS) + if err != nil { + return nil, err + } + oldState := *val + + newState := oldState + newState.Lflag &^= syscall.ECHO + newState.Lflag |= syscall.ICANON | syscall.ISIG + newState.Iflag |= syscall.ICRNL + err = unix.IoctlSetTermios(fd, unix.TCSETS, &newState) + if err != nil { + return nil, err + } + + defer unix.IoctlSetTermios(fd, unix.TCSETS, &oldState) + + var buf [16]byte + var ret []byte + for { + n, err := syscall.Read(fd, buf[:]) + if err != nil { + return nil, err + } + if n == 0 { + if len(ret) == 0 { + return nil, io.EOF + } + break + } + if buf[n-1] == '\n' { + n-- + } + ret = append(ret, buf[:n]...) + if n < len(buf) { + break + } + } + + return ret, nil +} + +func makeRaw(fd int) (*State, error) { + // see http://cr.illumos.org/~webrev/andy_js/1060/ + termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) + if err != nil { + return nil, err + } + + oldState := State{state{termios: *termios}} + + termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON + termios.Oflag &^= unix.OPOST + termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN + termios.Cflag &^= unix.CSIZE | unix.PARENB + termios.Cflag |= unix.CS8 + termios.Cc[unix.VMIN] = 1 + termios.Cc[unix.VTIME] = 0 + + if err := unix.IoctlSetTermios(fd, unix.TCSETS, termios); err != nil { + return nil, err + } + + return &oldState, nil +} + +func restore(fd int, oldState *State) error { + return unix.IoctlSetTermios(fd, unix.TCSETS, &oldState.termios) +} + +func getState(fd int) (*State, error) { + termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) + if err != nil { + return nil, err + } + + return &State{state{termios: *termios}}, nil +} + +func getSize(fd int) (width, height int, err error) { + ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) + if err != nil { + return 0, 0, err + } + return int(ws.Col), int(ws.Row), nil +} |