Simplify solaris implementation. (#120)
Remove golang.org/x/sys/unix dependency for solaris
Add new go build tag directives
diff --git a/asm_solaris_amd64.s b/asm_solaris_amd64.s
new file mode 100644
index 0000000..7fbef8e
--- /dev/null
+++ b/asm_solaris_amd64.s
@@ -0,0 +1,18 @@
+// Copyright 2014 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.
+
+//go:build gc
+//+build gc
+
+#include "textflag.h"
+
+//
+// System calls for amd64, Solaris are implemented in runtime/syscall_solaris.go
+//
+
+TEXT ·sysvicall6(SB),NOSPLIT,$0-88
+ JMP syscall·sysvicall6(SB)
+
+TEXT ·rawSysvicall6(SB),NOSPLIT,$0-88
+ JMP syscall·rawSysvicall6(SB)
diff --git a/go.mod b/go.mod
index e48deca..7731235 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,3 @@
module github.com/creack/pty
go 1.13
-
diff --git a/ioctl.go b/ioctl.go
index c85cdcd..0676437 100644
--- a/ioctl.go
+++ b/ioctl.go
@@ -1,9 +1,15 @@
-// +build !windows,!solaris
+//go:build !windows && !solaris
+//+build !windows,!solaris
package pty
import "syscall"
+const (
+ TIOCGWINSZ = syscall.TIOCGWINSZ
+ TIOCSWINSZ = syscall.TIOCSWINSZ
+)
+
func ioctl(fd, cmd, ptr uintptr) error {
_, _, e := syscall.Syscall(syscall.SYS_IOCTL, fd, cmd, ptr)
if e != 0 {
diff --git a/ioctl_bsd.go b/ioctl_bsd.go
index 73b12c5..ab53e2d 100644
--- a/ioctl_bsd.go
+++ b/ioctl_bsd.go
@@ -1,4 +1,5 @@
-// +build darwin dragonfly freebsd netbsd openbsd
+//go:build (darwin || dragonfly || freebsd || netbsd || openbsd)
+//+build darwin dragonfly freebsd netbsd openbsd
package pty
diff --git a/ioctl_solaris.go b/ioctl_solaris.go
index 249686c..8b6cc0e 100644
--- a/ioctl_solaris.go
+++ b/ioctl_solaris.go
@@ -1,31 +1,48 @@
+//go:build solaris
+//+build solaris
+
package pty
import (
+ "syscall"
"unsafe"
-
- "golang.org/x/sys/unix"
)
+//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"
+//go:linkname procioctl libc_ioctl
+var procioctl uintptr
+
const (
// see /usr/include/sys/stropts.h
I_PUSH = uintptr((int32('S')<<8 | 002))
I_STR = uintptr((int32('S')<<8 | 010))
I_FIND = uintptr((int32('S')<<8 | 013))
+
// see /usr/include/sys/ptms.h
ISPTM = (int32('P') << 8) | 1
UNLKPT = (int32('P') << 8) | 2
PTSSTTY = (int32('P') << 8) | 3
ZONEPT = (int32('P') << 8) | 4
OWNERPT = (int32('P') << 8) | 5
+
+ // see /usr/include/sys/termios.h
+ TIOCSWINSZ = (uint32('T') << 8) | 103
+ TIOCGWINSZ = (uint32('T') << 8) | 104
)
type strioctl struct {
- ic_cmd int32
- ic_timout int32
- ic_len int32
- ic_dp unsafe.Pointer
+ icCmd int32
+ icTimeout int32
+ icLen int32
+ icDP unsafe.Pointer
}
+// Defined in asm_solaris_amd64.s.
+func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
func ioctl(fd, cmd, ptr uintptr) error {
- return unix.IoctlSetInt(int(fd), uint(cmd), int(ptr))
+ if _, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procioctl)), 3, fd, cmd, ptr, 0, 0, 0); errno != 0 {
+ return errno
+ }
+ return nil
}
diff --git a/pty_darwin.go b/pty_darwin.go
index 0ed4325..cca0971 100644
--- a/pty_darwin.go
+++ b/pty_darwin.go
@@ -1,3 +1,6 @@
+//go:build darwin
+//+build darwin
+
package pty
import (
diff --git a/pty_dragonfly.go b/pty_dragonfly.go
index b7d1f20..7a1fec3 100644
--- a/pty_dragonfly.go
+++ b/pty_dragonfly.go
@@ -1,3 +1,6 @@
+//go:build dragonfly
+//+build dragonfly
+
package pty
import (
diff --git a/pty_freebsd.go b/pty_freebsd.go
index 63b6d91..a4cfd92 100644
--- a/pty_freebsd.go
+++ b/pty_freebsd.go
@@ -1,3 +1,6 @@
+//go:build freebsd
+//+build freebsd
+
package pty
import (
diff --git a/pty_linux.go b/pty_linux.go
index 4a833de..22ccbe1 100644
--- a/pty_linux.go
+++ b/pty_linux.go
@@ -1,3 +1,6 @@
+//go:build linux
+//+build linux
+
package pty
import (
@@ -28,7 +31,7 @@
return nil, nil, err
}
- t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
+ t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0) //nolint:gosec // Expected Open from a variable.
if err != nil {
return nil, nil, err
}
@@ -37,7 +40,7 @@
func ptsname(f *os.File) (string, error) {
var n _C_uint
- err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n)))
+ err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n))) //nolint:gosec // Expected unsafe pointer for Syscall call.
if err != nil {
return "", err
}
@@ -47,5 +50,5 @@
func unlockpt(f *os.File) error {
var u _C_int
// use TIOCSPTLCK with a pointer to zero to clear the lock
- return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u)))
+ return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u))) //nolint:gosec // Expected unsafe pointer for Syscall call.
}
diff --git a/pty_netbsd.go b/pty_netbsd.go
index 20f9125..98c089c 100644
--- a/pty_netbsd.go
+++ b/pty_netbsd.go
@@ -1,3 +1,6 @@
+//go:build netbsd
+//+build netbsd
+
package pty
import (
diff --git a/pty_openbsd.go b/pty_openbsd.go
index a6a35d1..d72b9d8 100644
--- a/pty_openbsd.go
+++ b/pty_openbsd.go
@@ -1,3 +1,6 @@
+//go:build openbsd
+//+build openbsd
+
package pty
import (
diff --git a/pty_solaris.go b/pty_solaris.go
index 5c37972..17e4746 100644
--- a/pty_solaris.go
+++ b/pty_solaris.go
@@ -1,3 +1,6 @@
+//go:build solaris
+//+build solaris
+
package pty
/* based on:
@@ -10,45 +13,50 @@
"strconv"
"syscall"
"unsafe"
-
- "golang.org/x/sys/unix"
)
-const NODEV = ^uint64(0)
-
func open() (pty, tty *os.File, err error) {
- masterfd, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|unix.O_NOCTTY, 0)
- //masterfd, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|syscall.O_CLOEXEC|unix.O_NOCTTY, 0)
+ ptmxfd, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|syscall.O_NOCTTY, 0)
if err != nil {
return nil, nil, err
}
- p := os.NewFile(uintptr(masterfd), "/dev/ptmx")
+ p := os.NewFile(uintptr(ptmxfd), "/dev/ptmx")
+ // In case of error after this point, make sure we close the ptmx fd.
+ defer func() {
+ if err != nil {
+ _ = p.Close() // Best effort.
+ }
+ }()
sname, err := ptsname(p)
if err != nil {
return nil, nil, err
}
- err = grantpt(p)
- if err != nil {
+ if err := grantpt(p); err != nil {
return nil, nil, err
}
- err = unlockpt(p)
- if err != nil {
+ if err := unlockpt(p); err != nil {
return nil, nil, err
}
- slavefd, err := syscall.Open(sname, os.O_RDWR|unix.O_NOCTTY, 0)
+ ptsfd, err := syscall.Open(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
if err != nil {
return nil, nil, err
}
- t := os.NewFile(uintptr(slavefd), sname)
+ t := os.NewFile(uintptr(ptsfd), sname)
+
+ // In case of error after this point, make sure we close the pts fd.
+ defer func() {
+ if err != nil {
+ _ = t.Close() // Best effort.
+ }
+ }()
// pushing terminal driver STREAMS modules as per pts(7)
for _, mod := range []string{"ptem", "ldterm", "ttcompat"} {
- err = streams_push(t, mod)
- if err != nil {
+ if err := streamsPush(t, mod); err != nil {
return nil, nil, err
}
}
@@ -56,73 +64,79 @@
return p, t, nil
}
-func minor(x uint64) uint64 {
- return x & 0377
-}
-
-func ptsdev(fd uintptr) uint64 {
- istr := strioctl{ISPTM, 0, 0, nil}
- err := ioctl(fd, I_STR, uintptr(unsafe.Pointer(&istr)))
- if err != nil {
- return NODEV
- }
- var status unix.Stat_t
- err = unix.Fstat(int(fd), &status)
- if err != nil {
- return NODEV
- }
- return uint64(minor(status.Rdev))
-}
-
func ptsname(f *os.File) (string, error) {
- dev := ptsdev(f.Fd())
- if dev == NODEV {
- return "", errors.New("not a master pty")
+ dev, err := ptsdev(f.Fd())
+ if err != nil {
+ return "", err
}
fn := "/dev/pts/" + strconv.FormatInt(int64(dev), 10)
- // access(2) creates the slave device (if the pty exists)
- // F_OK == 0 (unistd.h)
- err := unix.Access(fn, 0)
- if err != nil {
+
+ if err := syscall.Access(fn, 0); err != nil {
return "", err
}
return fn, nil
}
-type pt_own struct {
- pto_ruid int32
- pto_rgid int32
+func unlockpt(f *os.File) error {
+ istr := strioctl{
+ icCmd: UNLKPT,
+ icTimeout: 0,
+ icLen: 0,
+ icDP: nil,
+ }
+ return ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr)))
+}
+
+func minor(x uint64) uint64 { return x & 0377 }
+
+func ptsdev(fd uintptr) (uint64, error) {
+ istr := strioctl{
+ icCmd: ISPTM,
+ icTimeout: 0,
+ icLen: 0,
+ icDP: nil,
+ }
+
+ if err := ioctl(fd, I_STR, uintptr(unsafe.Pointer(&istr))); err != nil {
+ return 0, err
+ }
+ var status syscall.Stat_t
+ if err := syscall.Fstat(int(fd), &status); err != nil {
+ return 0, err
+ }
+ return uint64(minor(status.Rdev)), nil
+}
+
+type ptOwn struct {
+ rUID int32
+ rGID int32
}
func grantpt(f *os.File) error {
- if ptsdev(f.Fd()) == NODEV {
- return errors.New("not a master pty")
+ if _, err := ptsdev(f.Fd()); err != nil {
+ return err
}
- var pto pt_own
- pto.pto_ruid = int32(os.Getuid())
- // XXX should first attempt to get gid of DEFAULT_TTY_GROUP="tty"
- pto.pto_rgid = int32(os.Getgid())
- var istr strioctl
- istr.ic_cmd = OWNERPT
- istr.ic_timout = 0
- istr.ic_len = int32(unsafe.Sizeof(istr))
- istr.ic_dp = unsafe.Pointer(&pto)
- err := ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr)))
- if err != nil {
+ pto := ptOwn{
+ rUID: int32(os.Getuid()),
+ // XXX should first attempt to get gid of DEFAULT_TTY_GROUP="tty"
+ rGID: int32(os.Getgid()),
+ }
+ istr := strioctl{
+ icCmd: OWNERPT,
+ icTimeout: 0,
+ icLen: int32(unsafe.Sizeof(strioctl{})),
+ icDP: unsafe.Pointer(&pto),
+ }
+ if err := ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr))); err != nil {
return errors.New("access denied")
}
return nil
}
-func unlockpt(f *os.File) error {
- istr := strioctl{UNLKPT, 0, 0, nil}
- return ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr)))
-}
-
-// push STREAMS modules if not already done so
-func streams_push(f *os.File, mod string) error {
- var err error
+// streamsPush pushes STREAMS modules if not already done so.
+func streamsPush(f *os.File, mod string) error {
buf := []byte(mod)
+
// XXX I_FIND is not returning an error when the module
// is already pushed even though truss reports a return
// value of 1. A bug in the Go Solaris syscall interface?
@@ -131,10 +145,8 @@
// but since we are not using libc or XPG4.2, we should not be
// double-pushing modules
- err = ioctl(f.Fd(), I_FIND, uintptr(unsafe.Pointer(&buf[0])))
- if err != nil {
+ if err := ioctl(f.Fd(), I_FIND, uintptr(unsafe.Pointer(&buf[0]))); err != nil {
return nil
}
- err = ioctl(f.Fd(), I_PUSH, uintptr(unsafe.Pointer(&buf[0])))
- return err
+ return ioctl(f.Fd(), I_PUSH, uintptr(unsafe.Pointer(&buf[0])))
}
diff --git a/pty_unsupported.go b/pty_unsupported.go
index 6cd757b..765523a 100644
--- a/pty_unsupported.go
+++ b/pty_unsupported.go
@@ -1,4 +1,5 @@
-// +build !linux,!darwin,!freebsd,!dragonfly,!netbsd,!openbsd,!solaris
+//go:build !linux && !darwin && !freebsd && !dragonfly && !netbsd && !openbsd && !solaris
+//+build !linux,!darwin,!freebsd,!dragonfly,!netbsd,!openbsd,!solaris
package pty
diff --git a/run.go b/run.go
index b079425..160001f 100644
--- a/run.go
+++ b/run.go
@@ -1,4 +1,5 @@
-// +build !windows
+//go:build !windows
+//+build !windows
package pty
@@ -13,8 +14,8 @@
// corresponding pty.
//
// Starts the process in a new session and sets the controlling terminal.
-func Start(c *exec.Cmd) (pty *os.File, err error) {
- return StartWithSize(c, nil)
+func Start(cmd *exec.Cmd) (*os.File, error) {
+ return StartWithSize(cmd, nil)
}
// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
@@ -23,13 +24,13 @@
//
// This will resize the pty to the specified size before starting the command.
// Starts the process in a new session and sets the controlling terminal.
-func StartWithSize(c *exec.Cmd, sz *Winsize) (pty *os.File, err error) {
- if c.SysProcAttr == nil {
- c.SysProcAttr = &syscall.SysProcAttr{}
+func StartWithSize(cmd *exec.Cmd, ws *Winsize) (*os.File, error) {
+ if cmd.SysProcAttr == nil {
+ cmd.SysProcAttr = &syscall.SysProcAttr{}
}
- c.SysProcAttr.Setsid = true
- c.SysProcAttr.Setctty = true
- return StartWithAttrs(c, sz, c.SysProcAttr)
+ cmd.SysProcAttr.Setsid = true
+ cmd.SysProcAttr.Setctty = true
+ return StartWithAttrs(cmd, ws, cmd.SysProcAttr)
}
// StartWithAttrs assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
@@ -41,16 +42,16 @@
//
// This should generally not be needed. Used in some edge cases where it is needed to create a pty
// without a controlling terminal.
-func StartWithAttrs(c *exec.Cmd, sz *Winsize, attrs *syscall.SysProcAttr) (pty *os.File, err error) {
+func StartWithAttrs(c *exec.Cmd, sz *Winsize, attrs *syscall.SysProcAttr) (*os.File, error) {
pty, tty, err := Open()
if err != nil {
return nil, err
}
- defer tty.Close()
+ defer func() { _ = tty.Close() }() // Best effort.
if sz != nil {
if err := Setsize(pty, sz); err != nil {
- pty.Close()
+ _ = pty.Close() // Best effort.
return nil, err
}
}
@@ -67,7 +68,7 @@
c.SysProcAttr = attrs
if err := c.Start(); err != nil {
- _ = pty.Close()
+ _ = pty.Close() // Best effort.
return nil, err
}
return pty, err
diff --git a/types.go b/types.go
index 5aecb6b..f4cdc2e 100644
--- a/types.go
+++ b/types.go
@@ -1,4 +1,5 @@
-// +build ignore
+//go:build ignore
+//+build ignore
package pty
diff --git a/types_dragonfly.go b/types_dragonfly.go
index 5c0493b..7385166 100644
--- a/types_dragonfly.go
+++ b/types_dragonfly.go
@@ -1,4 +1,5 @@
-// +build ignore
+//go:build ignore
+//+build ignore
package pty
diff --git a/types_freebsd.go b/types_freebsd.go
index ce3eb95..9dd4e30 100644
--- a/types_freebsd.go
+++ b/types_freebsd.go
@@ -1,4 +1,5 @@
-// +build ignore
+//go:build ignore
+//+build ignore
package pty
diff --git a/types_netbsd.go b/types_netbsd.go
index 52ebea7..3e18359 100644
--- a/types_netbsd.go
+++ b/types_netbsd.go
@@ -1,4 +1,5 @@
-// +build ignore
+//go:build ignore
+//+build ignore
package pty
@@ -11,5 +12,7 @@
type ptmget C.struct_ptmget
-var ioctl_TIOCPTSNAME = C.TIOCPTSNAME
-var ioctl_TIOCGRANTPT = C.TIOCGRANTPT
+var (
+ ioctl_TIOCPTSNAME = C.TIOCPTSNAME
+ ioctl_TIOCGRANTPT = C.TIOCGRANTPT
+)
diff --git a/types_openbsd.go b/types_openbsd.go
index 47701b5..0a5df1b 100644
--- a/types_openbsd.go
+++ b/types_openbsd.go
@@ -1,4 +1,5 @@
-// +build ignore
+//go:build ignore
+//+build ignore
package pty
diff --git a/util.go b/util.go
deleted file mode 100644
index 8fdde0b..0000000
--- a/util.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// +build !windows,!solaris
-
-package pty
-
-import (
- "os"
- "syscall"
- "unsafe"
-)
-
-// InheritSize applies the terminal size of pty to tty. This should be run
-// in a signal handler for syscall.SIGWINCH to automatically resize the tty when
-// the pty receives a window size change notification.
-func InheritSize(pty, tty *os.File) error {
- size, err := GetsizeFull(pty)
- if err != nil {
- return err
- }
- err = Setsize(tty, size)
- if err != nil {
- return err
- }
- return nil
-}
-
-// Setsize resizes t to s.
-func Setsize(t *os.File, ws *Winsize) error {
- return windowRectCall(ws, t.Fd(), syscall.TIOCSWINSZ)
-}
-
-// GetsizeFull returns the full terminal size description.
-func GetsizeFull(t *os.File) (size *Winsize, err error) {
- var ws Winsize
- err = windowRectCall(&ws, t.Fd(), syscall.TIOCGWINSZ)
- return &ws, err
-}
-
-// Getsize returns the number of rows (lines) and cols (positions
-// in each line) in terminal t.
-func Getsize(t *os.File) (rows, cols int, err error) {
- ws, err := GetsizeFull(t)
- return int(ws.Rows), int(ws.Cols), err
-}
-
-// Winsize describes the terminal size.
-type Winsize struct {
- Rows uint16 // ws_row: Number of rows (in cells)
- Cols uint16 // ws_col: Number of columns (in cells)
- X uint16 // ws_xpixel: Width in pixels
- Y uint16 // ws_ypixel: Height in pixels
-}
-
-func windowRectCall(ws *Winsize, fd, a2 uintptr) error {
- _, _, errno := syscall.Syscall(
- syscall.SYS_IOCTL,
- fd,
- a2,
- uintptr(unsafe.Pointer(ws)),
- )
- if errno != 0 {
- return syscall.Errno(errno)
- }
- return nil
-}
diff --git a/util_solaris.go b/util_solaris.go
deleted file mode 100644
index 37a8d53..0000000
--- a/util_solaris.go
+++ /dev/null
@@ -1,67 +0,0 @@
-//
-
-package pty
-
-import (
- "os"
-
- "golang.org/x/sys/unix"
-)
-
-const (
- TIOCGWINSZ = 21608 // 'T' << 8 | 104
- TIOCSWINSZ = 21607 // 'T' << 8 | 103
-)
-
-// Winsize describes the terminal size.
-type Winsize struct {
- Rows uint16 // ws_row: Number of rows (in cells)
- Cols uint16 // ws_col: Number of columns (in cells)
- X uint16 // ws_xpixel: Width in pixels
- Y uint16 // ws_ypixel: Height in pixels
-}
-
-// GetsizeFull returns the full terminal size description.
-func GetsizeFull(t *os.File) (size *Winsize, err error) {
- var wsz *unix.Winsize
- wsz, err = unix.IoctlGetWinsize(int(t.Fd()), TIOCGWINSZ)
-
- if err != nil {
- return nil, err
- } else {
- return &Winsize{wsz.Row, wsz.Col, wsz.Xpixel, wsz.Ypixel}, nil
- }
-}
-
-// Get Windows Size
-func Getsize(t *os.File) (rows, cols int, err error) {
- var wsz *unix.Winsize
- wsz, err = unix.IoctlGetWinsize(int(t.Fd()), TIOCGWINSZ)
-
- if err != nil {
- return 80, 25, err
- } else {
- return int(wsz.Row), int(wsz.Col), nil
- }
-}
-
-// InheritSize applies the terminal size of pty to tty. This should be run
-// in a signal handler for syscall.SIGWINCH to automatically resize the tty when
-// the pty receives a window size change notification.
-func InheritSize(pty, tty *os.File) error {
- size, err := GetsizeFull(pty)
- if err != nil {
- return err
- }
- err = Setsize(tty, size)
- if err != nil {
- return err
- }
- return nil
-}
-
-// Setsize resizes t to s.
-func Setsize(t *os.File, ws *Winsize) error {
- wsz := unix.Winsize{ws.Rows, ws.Cols, ws.X, ws.Y}
- return unix.IoctlSetWinsize(int(t.Fd()), TIOCSWINSZ, &wsz)
-}
diff --git a/winsize.go b/winsize.go
new file mode 100644
index 0000000..9660a93
--- /dev/null
+++ b/winsize.go
@@ -0,0 +1,24 @@
+package pty
+
+import "os"
+
+// InheritSize applies the terminal size of pty to tty. This should be run
+// in a signal handler for syscall.SIGWINCH to automatically resize the tty when
+// the pty receives a window size change notification.
+func InheritSize(pty, tty *os.File) error {
+ size, err := GetsizeFull(pty)
+ if err != nil {
+ return err
+ }
+ if err := Setsize(tty, size); err != nil {
+ return err
+ }
+ return nil
+}
+
+// Getsize returns the number of rows (lines) and cols (positions
+// in each line) in terminal t.
+func Getsize(t *os.File) (rows, cols int, err error) {
+ ws, err := GetsizeFull(t)
+ return int(ws.Rows), int(ws.Cols), err
+}
diff --git a/winsize_unix.go b/winsize_unix.go
new file mode 100644
index 0000000..f358e90
--- /dev/null
+++ b/winsize_unix.go
@@ -0,0 +1,35 @@
+//go:build !windows
+//+build !windows
+
+package pty
+
+import (
+ "os"
+ "syscall"
+ "unsafe"
+)
+
+// Winsize describes the terminal size.
+type Winsize struct {
+ Rows uint16 // ws_row: Number of rows (in cells)
+ Cols uint16 // ws_col: Number of columns (in cells)
+ X uint16 // ws_xpixel: Width in pixels
+ Y uint16 // ws_ypixel: Height in pixels
+}
+
+// Setsize resizes t to s.
+func Setsize(t *os.File, ws *Winsize) error {
+ //nolint:gosec // Expected unsafe pointer for Syscall call.
+ return ioctl(t.Fd(), syscall.TIOCSWINSZ, uintptr(unsafe.Pointer(ws)))
+}
+
+// GetsizeFull returns the full terminal size description.
+func GetsizeFull(t *os.File) (size *Winsize, err error) {
+ var ws Winsize
+
+ //nolint:gosec // Expected unsafe pointer for Syscall call.
+ if err := ioctl(t.Fd(), syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws))); err != nil {
+ return nil, err
+ }
+ return &ws, nil
+}
diff --git a/winsize_unsupported.go b/winsize_unsupported.go
new file mode 100644
index 0000000..c4bff44
--- /dev/null
+++ b/winsize_unsupported.go
@@ -0,0 +1,23 @@
+//go:build windows
+//+build windows
+
+package pty
+
+import (
+ "os"
+)
+
+// Winsize is a dummy struct to enable compilation on unsupported platforms.
+type Winsize struct {
+ Rows, Cols, X, Y uint
+}
+
+// Setsize resizes t to s.
+func Setsize(*os.File, *Winsize) error {
+ return ErrUnsupported
+}
+
+// GetsizeFull returns the full terminal size description.
+func GetsizeFull(*os.File) (*Winsize, error) {
+ return nil, ErrUnsupported
+}
diff --git a/ztypes_386.go b/ztypes_386.go
index ff0b8fd..794515b 100644
--- a/ztypes_386.go
+++ b/ztypes_386.go
@@ -1,3 +1,6 @@
+//go:build 386
+//+build 386
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
diff --git a/ztypes_amd64.go b/ztypes_amd64.go
index ff0b8fd..dc6c525 100644
--- a/ztypes_amd64.go
+++ b/ztypes_amd64.go
@@ -1,3 +1,6 @@
+//go:build amd64
+//+build amd64
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
diff --git a/ztypes_arm.go b/ztypes_arm.go
index ff0b8fd..eac9b1e 100644
--- a/ztypes_arm.go
+++ b/ztypes_arm.go
@@ -1,3 +1,6 @@
+//go:build arm
+//+build arm
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
diff --git a/ztypes_arm64.go b/ztypes_arm64.go
index 6c29a4b..ecb3ddc 100644
--- a/ztypes_arm64.go
+++ b/ztypes_arm64.go
@@ -1,8 +1,9 @@
+//go:build arm64
+//+build arm64
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
-// +build arm64
-
package pty
type (
diff --git a/ztypes_dragonfly_amd64.go b/ztypes_dragonfly_amd64.go
index 6b0ba03..f4054cb 100644
--- a/ztypes_dragonfly_amd64.go
+++ b/ztypes_dragonfly_amd64.go
@@ -1,3 +1,6 @@
+//go:build amd64 && dragonfly
+//+build amd64,dragonfly
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_dragonfly.go
diff --git a/ztypes_freebsd_386.go b/ztypes_freebsd_386.go
index d997537..95a20ab 100644
--- a/ztypes_freebsd_386.go
+++ b/ztypes_freebsd_386.go
@@ -1,3 +1,6 @@
+//go:build 386 && freebsd
+//+build 386,freebsd
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_freebsd.go
diff --git a/ztypes_freebsd_amd64.go b/ztypes_freebsd_amd64.go
index 5fa102f..e03a071 100644
--- a/ztypes_freebsd_amd64.go
+++ b/ztypes_freebsd_amd64.go
@@ -1,3 +1,6 @@
+//go:build amd64 && freebsd
+//+build amd64,freebsd
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_freebsd.go
diff --git a/ztypes_freebsd_arm.go b/ztypes_freebsd_arm.go
index d997537..7665bd3 100644
--- a/ztypes_freebsd_arm.go
+++ b/ztypes_freebsd_arm.go
@@ -1,3 +1,6 @@
+//go:build arm && freebsd
+//+build arm,freebsd
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_freebsd.go
diff --git a/ztypes_freebsd_arm64.go b/ztypes_freebsd_arm64.go
index 4418139..3f95bb8 100644
--- a/ztypes_freebsd_arm64.go
+++ b/ztypes_freebsd_arm64.go
@@ -1,3 +1,6 @@
+//go:build arm64 && freebsd
+//+build arm64,freebsd
+
// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs types_freebsd.go
diff --git a/ztypes_loongarchx.go b/ztypes_loongarchx.go
index 6fa946a..674d2a4 100644
--- a/ztypes_loongarchx.go
+++ b/ztypes_loongarchx.go
@@ -1,9 +1,10 @@
+//go:build (loongarch32 || loongarch64) && linux
+//+build linux
+//+build loongarch32 loongarch64
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
-// +build linux
-// +build loongarch32 loongarch64
-
package pty
type (
diff --git a/ztypes_mipsx.go b/ztypes_mipsx.go
index f0ce740..eddad16 100644
--- a/ztypes_mipsx.go
+++ b/ztypes_mipsx.go
@@ -1,9 +1,10 @@
+//go:build (mips || mipsle || mips64 || mips64le) && linux
+//+build linux
+//+build mips mipsle mips64 mips64le
+
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
-// +build linux
-// +build mips mipsle mips64 mips64le
-
package pty
type (
diff --git a/ztypes_netbsd_32bit_int.go b/ztypes_netbsd_32bit_int.go
index f40a5a6..5b32e63 100644
--- a/ztypes_netbsd_32bit_int.go
+++ b/ztypes_netbsd_32bit_int.go
@@ -1,5 +1,6 @@
-// +build netbsd
-// +build 386 amd64 arm arm64
+//go:build (386 || amd64 || arm || arm64) && netbsd
+//+build netbsd
+//+build 386 amd64 arm arm64
package pty
@@ -10,5 +11,7 @@
Sn [1024]int8
}
-var ioctl_TIOCPTSNAME = 0x48087448
-var ioctl_TIOCGRANTPT = 0x20007447
+var (
+ ioctl_TIOCPTSNAME = 0x48087448
+ ioctl_TIOCGRANTPT = 0x20007447
+)
diff --git a/ztypes_openbsd_32bit_int.go b/ztypes_openbsd_32bit_int.go
index 9c0e4b1..9eaca4d 100644
--- a/ztypes_openbsd_32bit_int.go
+++ b/ztypes_openbsd_32bit_int.go
@@ -1,5 +1,6 @@
-// +build openbsd
-// +build 386 amd64 arm arm64
+//go:build (386 || amd64 || arm || arm64) && solaris
+//+build openbsd
+//+build 386 amd64 arm arm64
package pty
diff --git a/ztypes_ppc64.go b/ztypes_ppc64.go
index 4e1af84..6863443 100644
--- a/ztypes_ppc64.go
+++ b/ztypes_ppc64.go
@@ -1,4 +1,5 @@
-// +build ppc64
+//go:build ppc64
+//+build ppc64
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
diff --git a/ztypes_ppc64le.go b/ztypes_ppc64le.go
index e6780f4..6b5621b 100644
--- a/ztypes_ppc64le.go
+++ b/ztypes_ppc64le.go
@@ -1,4 +1,5 @@
-// +build ppc64le
+//go:build ppc64le
+//+build ppc64le
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go
diff --git a/ztypes_riscvx.go b/ztypes_riscvx.go
index 99eec8e..1233e75 100644
--- a/ztypes_riscvx.go
+++ b/ztypes_riscvx.go
@@ -1,8 +1,9 @@
+//go:build riscv || riscv64
+//+build riscv riscv64
+
// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs types.go
-// +build riscv riscv64
-
package pty
type (
diff --git a/ztypes_s390x.go b/ztypes_s390x.go
index a7452b6..02facea 100644
--- a/ztypes_s390x.go
+++ b/ztypes_s390x.go
@@ -1,4 +1,5 @@
-// +build s390x
+//go:build s390x
+//+build s390x
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types.go