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exp/terminal: fix build after os.Errno changes

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Also include exp/terminal in linux build so such failures
are noticed.

R=rsc
CC=golang-dev
https://golang.org/cl/5416044
This commit is contained in:
Gustavo Niemeyer 2011-11-18 01:12:57 -02:00
parent 4a2d30e13b
commit 558d055352
2 changed files with 16 additions and 16 deletions
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1
src/pkg/Makefile
View File

@ -188,6 +188,7 @@ DIRS=\
ifeq ($(GOOS),linux) ifeq ($(GOOS),linux)
DIRS+=\ DIRS+=\
exp/inotify\ exp/inotify\
exp/terminal\
endif endif

31
src/pkg/exp/terminal/util.go
View File

@ -16,7 +16,6 @@ package terminal
import ( import (
"io" "io"
"os"
"syscall" "syscall"
"unsafe" "unsafe"
) )
@ -29,8 +28,8 @@ type State struct {
// IsTerminal returns true if the given file descriptor is a terminal. // IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(fd int) bool { func IsTerminal(fd int) bool {
var termios syscall.Termios var termios syscall.Termios
_, _, e := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCGETS), uintptr(unsafe.Pointer(&termios)), 0, 0, 0) _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCGETS), uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
return e == 0 return err == 0
} }
// MakeRaw put the terminal connected to the given file descriptor into raw // MakeRaw put the terminal connected to the given file descriptor into raw
@ -38,15 +37,15 @@ func IsTerminal(fd int) bool {
// restored. // restored.
func MakeRaw(fd int) (*State, error) { func MakeRaw(fd int) (*State, error) {
var oldState State var oldState State
if _, _, e := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCGETS), uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); e != 0 { if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCGETS), uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
return nil, os.Errno(e) return nil, err
} }
newState := oldState.termios newState := oldState.termios
newState.Iflag &^= syscall.ISTRIP | syscall.INLCR | syscall.ICRNL | syscall.IGNCR | syscall.IXON | syscall.IXOFF newState.Iflag &^= syscall.ISTRIP | syscall.INLCR | syscall.ICRNL | syscall.IGNCR | syscall.IXON | syscall.IXOFF
newState.Lflag &^= syscall.ECHO | syscall.ICANON | syscall.ISIG newState.Lflag &^= syscall.ECHO | syscall.ICANON | syscall.ISIG
if _, _, e := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCSETS), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); e != 0 { if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCSETS), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
return nil, os.Errno(e) return nil, err
} }
return &oldState, nil return &oldState, nil
@ -55,8 +54,8 @@ func MakeRaw(fd int) (*State, error) {
// Restore restores the terminal connected to the given file descriptor to a // Restore restores the terminal connected to the given file descriptor to a
// previous state. // previous state.
func Restore(fd int, state *State) error { func Restore(fd int, state *State) error {
_, _, e := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCSETS), uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0) _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCSETS), uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0)
return os.Errno(e) return err
} }
// ReadPassword reads a line of input from a terminal without local echo. This // ReadPassword reads a line of input from a terminal without local echo. This
@ -64,14 +63,14 @@ func Restore(fd int, state *State) error {
// returned does not include the \n. // returned does not include the \n.
func ReadPassword(fd int) ([]byte, error) { func ReadPassword(fd int) ([]byte, error) {
var oldState syscall.Termios var oldState syscall.Termios
if _, _, e := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCGETS), uintptr(unsafe.Pointer(&oldState)), 0, 0, 0); e != 0 { if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCGETS), uintptr(unsafe.Pointer(&oldState)), 0, 0, 0); err != 0 {
return nil, os.Errno(e) return nil, err
} }
newState := oldState newState := oldState
newState.Lflag &^= syscall.ECHO newState.Lflag &^= syscall.ECHO
if _, _, e := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCSETS), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); e != 0 { if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TCSETS), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
return nil, os.Errno(e) return nil, err
} }
defer func() { defer func() {
@ -81,9 +80,9 @@ func ReadPassword(fd int) ([]byte, error) {
var buf [16]byte var buf [16]byte
var ret []byte var ret []byte
for { for {
n, errno := syscall.Read(fd, buf[:]) n, err := syscall.Read(fd, buf[:])
if errno != 0 { if err != nil {
return nil, os.Errno(errno) return nil, err
} }
if n == 0 { if n == 0 {
if len(ret) == 0 { if len(ret) == 0 {