From f185f655d1dd6a034ce41d6d062a614d2e20e476 Mon Sep 17 00:00:00 2001 From: Liam Galvin Date: Mon, 13 Aug 2018 17:48:37 +0100 Subject: [PATCH] switch to nice pty library --- Gopkg.lock | 8 +- main.go | 22 +++- pty/pty_darwin.go | 1 - vendor/github.com/kr/pty/.gitignore | 4 + vendor/github.com/kr/pty/License | 23 ++++ vendor/github.com/kr/pty/README.md | 100 ++++++++++++++++++ vendor/github.com/kr/pty/doc.go | 16 +++ vendor/github.com/kr/pty/ioctl.go | 13 +++ vendor/github.com/kr/pty/ioctl_bsd.go | 39 +++++++ vendor/github.com/kr/pty/mktypes.bash | 19 ++++ vendor/github.com/kr/pty/pty_darwin.go | 65 ++++++++++++ vendor/github.com/kr/pty/pty_dragonfly.go | 80 ++++++++++++++ vendor/github.com/kr/pty/pty_freebsd.go | 78 ++++++++++++++ vendor/github.com/kr/pty/pty_linux.go | 51 +++++++++ vendor/github.com/kr/pty/pty_openbsd.go | 33 ++++++ vendor/github.com/kr/pty/pty_unsupported.go | 11 ++ vendor/github.com/kr/pty/run.go | 34 ++++++ vendor/github.com/kr/pty/types.go | 10 ++ vendor/github.com/kr/pty/types_dragonfly.go | 17 +++ vendor/github.com/kr/pty/types_freebsd.go | 15 +++ vendor/github.com/kr/pty/types_openbsd.go | 14 +++ vendor/github.com/kr/pty/util.go | 64 +++++++++++ vendor/github.com/kr/pty/ztypes_386.go | 9 ++ vendor/github.com/kr/pty/ztypes_amd64.go | 9 ++ vendor/github.com/kr/pty/ztypes_arm.go | 9 ++ vendor/github.com/kr/pty/ztypes_arm64.go | 11 ++ .../kr/pty/ztypes_dragonfly_amd64.go | 14 +++ .../github.com/kr/pty/ztypes_freebsd_386.go | 13 +++ .../github.com/kr/pty/ztypes_freebsd_amd64.go | 14 +++ .../github.com/kr/pty/ztypes_freebsd_arm.go | 13 +++ vendor/github.com/kr/pty/ztypes_mipsx.go | 12 +++ .../github.com/kr/pty/ztypes_openbsd_386.go | 13 +++ .../github.com/kr/pty/ztypes_openbsd_amd64.go | 13 +++ vendor/github.com/kr/pty/ztypes_ppc64.go | 11 ++ vendor/github.com/kr/pty/ztypes_ppc64le.go | 11 ++ vendor/github.com/kr/pty/ztypes_s390x.go | 11 ++ vendor/github.com/liamg/glfont/font.go | 4 +- 37 files changed, 878 insertions(+), 6 deletions(-) create mode 100644 vendor/github.com/kr/pty/.gitignore create mode 100644 vendor/github.com/kr/pty/License create mode 100644 vendor/github.com/kr/pty/README.md create mode 100644 vendor/github.com/kr/pty/doc.go create mode 100644 vendor/github.com/kr/pty/ioctl.go create mode 100644 vendor/github.com/kr/pty/ioctl_bsd.go create mode 100755 vendor/github.com/kr/pty/mktypes.bash create mode 100644 vendor/github.com/kr/pty/pty_darwin.go create mode 100644 vendor/github.com/kr/pty/pty_dragonfly.go create mode 100644 vendor/github.com/kr/pty/pty_freebsd.go create mode 100644 vendor/github.com/kr/pty/pty_linux.go create mode 100644 vendor/github.com/kr/pty/pty_openbsd.go create mode 100644 vendor/github.com/kr/pty/pty_unsupported.go create mode 100644 vendor/github.com/kr/pty/run.go create mode 100644 vendor/github.com/kr/pty/types.go create mode 100644 vendor/github.com/kr/pty/types_dragonfly.go create mode 100644 vendor/github.com/kr/pty/types_freebsd.go create mode 100644 vendor/github.com/kr/pty/types_openbsd.go create mode 100644 vendor/github.com/kr/pty/util.go create mode 100644 vendor/github.com/kr/pty/ztypes_386.go create mode 100644 vendor/github.com/kr/pty/ztypes_amd64.go create mode 100644 vendor/github.com/kr/pty/ztypes_arm.go create mode 100644 vendor/github.com/kr/pty/ztypes_arm64.go create mode 100644 vendor/github.com/kr/pty/ztypes_dragonfly_amd64.go create mode 100644 vendor/github.com/kr/pty/ztypes_freebsd_386.go create mode 100644 vendor/github.com/kr/pty/ztypes_freebsd_amd64.go create mode 100644 vendor/github.com/kr/pty/ztypes_freebsd_arm.go create mode 100644 vendor/github.com/kr/pty/ztypes_mipsx.go create mode 100644 vendor/github.com/kr/pty/ztypes_openbsd_386.go create mode 100644 vendor/github.com/kr/pty/ztypes_openbsd_amd64.go create mode 100644 vendor/github.com/kr/pty/ztypes_ppc64.go create mode 100644 vendor/github.com/kr/pty/ztypes_ppc64le.go create mode 100644 vendor/github.com/kr/pty/ztypes_s390x.go diff --git a/Gopkg.lock b/Gopkg.lock index 2e8b7ea..70ee5cc 100644 --- a/Gopkg.lock +++ b/Gopkg.lock @@ -35,6 +35,12 @@ ] revision = "e2365dfdc4a05e4b8299a783240d4a7d5a65d4e4" +[[projects]] + name = "github.com/kr/pty" + packages = ["."] + revision = "fa756f09eeb418bf1cc6268c66ceaad9bb98f598" + version = "v1.1.2" + [[projects]] branch = "master" name = "github.com/liamg/glfont" @@ -99,6 +105,6 @@ [solve-meta] analyzer-name = "dep" analyzer-version = 1 - inputs-digest = "0b3960a1d15048ccc49c41464fdb2346062f791ca53d614d4535d2930d4969f5" + inputs-digest = "18e6b85742181970b4dbe1aae2d74b033fbca809df825b8a03c8e3ba6b5ba29c" solver-name = "gps-cdcl" solver-version = 1 diff --git a/main.go b/main.go index 14a70be..6aaed27 100644 --- a/main.go +++ b/main.go @@ -5,10 +5,13 @@ import ( "fmt" "io/ioutil" "os" + "os/exec" + "syscall" + "github.com/kr/pty" + "github.com/riywo/loginshell" "gitlab.com/liamg/raft/config" "gitlab.com/liamg/raft/gui" - "gitlab.com/liamg/raft/pty" "gitlab.com/liamg/raft/terminal" "go.uber.org/zap" ) @@ -94,11 +97,26 @@ func main() { defer logger.Sync() logger.Infof("Allocating pty...") - pty, err := pty.NewPtyWithShell() + pty, tty, err := pty.Open() if err != nil { logger.Fatalf("Failed to allocate pty: %s", err) } + shellStr, err := loginshell.Shell() + if err != nil { + panic(fmt.Errorf("Failed to ascertain your shell: %s", err)) + } + + shell := exec.Command(shellStr) + shell.Stdout = tty + shell.Stdin = tty + shell.Stderr = tty + shell.SysProcAttr = &syscall.SysProcAttr{Setctty: true, Setsid: true} + if err := shell.Start(); err != nil { + pty.Close() + panic(err) + } + logger.Infof("Creating terminal...") terminal := terminal.New(pty, logger, conf) diff --git a/pty/pty_darwin.go b/pty/pty_darwin.go index bdf1683..3a0f1f8 100644 --- a/pty/pty_darwin.go +++ b/pty/pty_darwin.go @@ -17,7 +17,6 @@ func open() (*os.File, *os.File, error) { } ptsName, err := ptsname(pty) - panic(ptsName) if err != nil { panic(err) } diff --git a/vendor/github.com/kr/pty/.gitignore b/vendor/github.com/kr/pty/.gitignore new file mode 100644 index 0000000..1f0a99f --- /dev/null +++ b/vendor/github.com/kr/pty/.gitignore @@ -0,0 +1,4 @@ +[568].out +_go* +_test* +_obj diff --git a/vendor/github.com/kr/pty/License b/vendor/github.com/kr/pty/License new file mode 100644 index 0000000..6b7558b --- /dev/null +++ b/vendor/github.com/kr/pty/License @@ -0,0 +1,23 @@ +Copyright (c) 2011 Keith Rarick + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated +documentation files (the "Software"), to deal in the +Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, +sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall +be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS +OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/kr/pty/README.md b/vendor/github.com/kr/pty/README.md new file mode 100644 index 0000000..f9bb002 --- /dev/null +++ b/vendor/github.com/kr/pty/README.md @@ -0,0 +1,100 @@ +# pty + +Pty is a Go package for using unix pseudo-terminals. + +## Install + + go get github.com/kr/pty + +## Example + +### Command + +```go +package main + +import ( + "github.com/kr/pty" + "io" + "os" + "os/exec" +) + +func main() { + c := exec.Command("grep", "--color=auto", "bar") + f, err := pty.Start(c) + if err != nil { + panic(err) + } + + go func() { + f.Write([]byte("foo\n")) + f.Write([]byte("bar\n")) + f.Write([]byte("baz\n")) + f.Write([]byte{4}) // EOT + }() + io.Copy(os.Stdout, f) +} +``` + +### Shell + +```go +package main + +import ( + "io" + "log" + "os" + "os/exec" + "os/signal" + "syscall" + + "github.com/kr/pty" + "golang.org/x/crypto/ssh/terminal" +) + +func test() error { + // Create arbitrary command. + c := exec.Command("bash") + + // Start the command with a pty. + ptmx, err := pty.Start(c) + if err != nil { + return err + } + // Make sure to close the pty at the end. + defer func() { _ = ptmx.Close() }() // Best effort. + + // Handle pty size. + ch := make(chan os.Signal, 1) + signal.Notify(ch, syscall.SIGWINCH) + go func() { + for range ch { + if err := pty.InheritSize(os.Stdin, ptmx); err != nil { + log.Printf("error resizing pty: %s", err) + } + } + }() + ch <- syscall.SIGWINCH // Initial resize. + + // Set stdin in raw mode. + oldState, err := terminal.MakeRaw(int(os.Stdin.Fd())) + if err != nil { + panic(err) + } + defer func() { _ = terminal.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort. + + // Copy stdin to the pty and the pty to stdout. + go func() { _, _ = io.Copy(ptmx, os.Stdin) }() + _, _ = io.Copy(os.Stdout, ptmx) + + return nil +} + +func main() { + if err := test(); err != nil { + log.Fatal(err) + } +} +``` diff --git a/vendor/github.com/kr/pty/doc.go b/vendor/github.com/kr/pty/doc.go new file mode 100644 index 0000000..190cfbe --- /dev/null +++ b/vendor/github.com/kr/pty/doc.go @@ -0,0 +1,16 @@ +// Package pty provides functions for working with Unix terminals. +package pty + +import ( + "errors" + "os" +) + +// ErrUnsupported is returned if a function is not +// available on the current platform. +var ErrUnsupported = errors.New("unsupported") + +// Opens a pty and its corresponding tty. +func Open() (pty, tty *os.File, err error) { + return open() +} diff --git a/vendor/github.com/kr/pty/ioctl.go b/vendor/github.com/kr/pty/ioctl.go new file mode 100644 index 0000000..c57c19e --- /dev/null +++ b/vendor/github.com/kr/pty/ioctl.go @@ -0,0 +1,13 @@ +// +build !windows + +package pty + +import "syscall" + +func ioctl(fd, cmd, ptr uintptr) error { + _, _, e := syscall.Syscall(syscall.SYS_IOCTL, fd, cmd, ptr) + if e != 0 { + return e + } + return nil +} diff --git a/vendor/github.com/kr/pty/ioctl_bsd.go b/vendor/github.com/kr/pty/ioctl_bsd.go new file mode 100644 index 0000000..73b12c5 --- /dev/null +++ b/vendor/github.com/kr/pty/ioctl_bsd.go @@ -0,0 +1,39 @@ +// +build darwin dragonfly freebsd netbsd openbsd + +package pty + +// from +const ( + _IOC_VOID uintptr = 0x20000000 + _IOC_OUT uintptr = 0x40000000 + _IOC_IN uintptr = 0x80000000 + _IOC_IN_OUT uintptr = _IOC_OUT | _IOC_IN + _IOC_DIRMASK = _IOC_VOID | _IOC_OUT | _IOC_IN + + _IOC_PARAM_SHIFT = 13 + _IOC_PARAM_MASK = (1 << _IOC_PARAM_SHIFT) - 1 +) + +func _IOC_PARM_LEN(ioctl uintptr) uintptr { + return (ioctl >> 16) & _IOC_PARAM_MASK +} + +func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr { + return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num +} + +func _IO(group byte, ioctl_num uintptr) uintptr { + return _IOC(_IOC_VOID, group, ioctl_num, 0) +} + +func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { + return _IOC(_IOC_OUT, group, ioctl_num, param_len) +} + +func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr { + return _IOC(_IOC_IN, group, ioctl_num, param_len) +} + +func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { + return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len) +} diff --git a/vendor/github.com/kr/pty/mktypes.bash b/vendor/github.com/kr/pty/mktypes.bash new file mode 100755 index 0000000..82ee167 --- /dev/null +++ b/vendor/github.com/kr/pty/mktypes.bash @@ -0,0 +1,19 @@ +#!/usr/bin/env bash + +GOOSARCH="${GOOS}_${GOARCH}" +case "$GOOSARCH" in +_* | *_ | _) + echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2 + exit 1 + ;; +esac + +GODEFS="go tool cgo -godefs" + +$GODEFS types.go |gofmt > ztypes_$GOARCH.go + +case $GOOS in +freebsd|dragonfly|openbsd) + $GODEFS types_$GOOS.go |gofmt > ztypes_$GOOSARCH.go + ;; +esac diff --git a/vendor/github.com/kr/pty/pty_darwin.go b/vendor/github.com/kr/pty/pty_darwin.go new file mode 100644 index 0000000..6344b6b --- /dev/null +++ b/vendor/github.com/kr/pty/pty_darwin.go @@ -0,0 +1,65 @@ +package pty + +import ( + "errors" + "os" + "syscall" + "unsafe" +) + +func open() (pty, tty *os.File, err error) { + pFD, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|syscall.O_CLOEXEC, 0) + if err != nil { + return nil, nil, err + } + p := os.NewFile(uintptr(pFD), "/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 + } + + if err := grantpt(p); err != nil { + return nil, nil, err + } + + if err := unlockpt(p); err != nil { + return nil, nil, err + } + + t, err := os.OpenFile(sname, os.O_RDWR, 0) + if err != nil { + return nil, nil, err + } + return p, t, nil +} + +func ptsname(f *os.File) (string, error) { + n := make([]byte, _IOC_PARM_LEN(syscall.TIOCPTYGNAME)) + + err := ioctl(f.Fd(), syscall.TIOCPTYGNAME, uintptr(unsafe.Pointer(&n[0]))) + if err != nil { + return "", err + } + + for i, c := range n { + if c == 0 { + return string(n[:i]), nil + } + } + return "", errors.New("TIOCPTYGNAME string not NUL-terminated") +} + +func grantpt(f *os.File) error { + return ioctl(f.Fd(), syscall.TIOCPTYGRANT, 0) +} + +func unlockpt(f *os.File) error { + return ioctl(f.Fd(), syscall.TIOCPTYUNLK, 0) +} diff --git a/vendor/github.com/kr/pty/pty_dragonfly.go b/vendor/github.com/kr/pty/pty_dragonfly.go new file mode 100644 index 0000000..b7d1f20 --- /dev/null +++ b/vendor/github.com/kr/pty/pty_dragonfly.go @@ -0,0 +1,80 @@ +package pty + +import ( + "errors" + "os" + "strings" + "syscall" + "unsafe" +) + +// same code as pty_darwin.go +func open() (pty, tty *os.File, err error) { + p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0) + if err != nil { + return nil, nil, err + } + // 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 + } + + if err := grantpt(p); err != nil { + return nil, nil, err + } + + if err := unlockpt(p); err != nil { + return nil, nil, err + } + + t, err := os.OpenFile(sname, os.O_RDWR, 0) + if err != nil { + return nil, nil, err + } + return p, t, nil +} + +func grantpt(f *os.File) error { + _, err := isptmaster(f.Fd()) + return err +} + +func unlockpt(f *os.File) error { + _, err := isptmaster(f.Fd()) + return err +} + +func isptmaster(fd uintptr) (bool, error) { + err := ioctl(fd, syscall.TIOCISPTMASTER, 0) + return err == nil, err +} + +var ( + emptyFiodgnameArg fiodgnameArg + ioctl_FIODNAME = _IOW('f', 120, unsafe.Sizeof(emptyFiodgnameArg)) +) + +func ptsname(f *os.File) (string, error) { + name := make([]byte, _C_SPECNAMELEN) + fa := fiodgnameArg{Name: (*byte)(unsafe.Pointer(&name[0])), Len: _C_SPECNAMELEN, Pad_cgo_0: [4]byte{0, 0, 0, 0}} + + err := ioctl(f.Fd(), ioctl_FIODNAME, uintptr(unsafe.Pointer(&fa))) + if err != nil { + return "", err + } + + for i, c := range name { + if c == 0 { + s := "/dev/" + string(name[:i]) + return strings.Replace(s, "ptm", "pts", -1), nil + } + } + return "", errors.New("TIOCPTYGNAME string not NUL-terminated") +} diff --git a/vendor/github.com/kr/pty/pty_freebsd.go b/vendor/github.com/kr/pty/pty_freebsd.go new file mode 100644 index 0000000..63b6d91 --- /dev/null +++ b/vendor/github.com/kr/pty/pty_freebsd.go @@ -0,0 +1,78 @@ +package pty + +import ( + "errors" + "os" + "syscall" + "unsafe" +) + +func posixOpenpt(oflag int) (fd int, err error) { + r0, _, e1 := syscall.Syscall(syscall.SYS_POSIX_OPENPT, uintptr(oflag), 0, 0) + fd = int(r0) + if e1 != 0 { + err = e1 + } + return fd, err +} + +func open() (pty, tty *os.File, err error) { + fd, err := posixOpenpt(syscall.O_RDWR | syscall.O_CLOEXEC) + if err != nil { + return nil, nil, err + } + p := os.NewFile(uintptr(fd), "/dev/pts") + // In case of error after this point, make sure we close the pts fd. + defer func() { + if err != nil { + _ = p.Close() // Best effort. + } + }() + + sname, err := ptsname(p) + if err != nil { + return nil, nil, err + } + + t, err := os.OpenFile("/dev/"+sname, os.O_RDWR, 0) + if err != nil { + return nil, nil, err + } + return p, t, nil +} + +func isptmaster(fd uintptr) (bool, error) { + err := ioctl(fd, syscall.TIOCPTMASTER, 0) + return err == nil, err +} + +var ( + emptyFiodgnameArg fiodgnameArg + ioctlFIODGNAME = _IOW('f', 120, unsafe.Sizeof(emptyFiodgnameArg)) +) + +func ptsname(f *os.File) (string, error) { + master, err := isptmaster(f.Fd()) + if err != nil { + return "", err + } + if !master { + return "", syscall.EINVAL + } + + const n = _C_SPECNAMELEN + 1 + var ( + buf = make([]byte, n) + arg = fiodgnameArg{Len: n, Buf: (*byte)(unsafe.Pointer(&buf[0]))} + ) + if err := ioctl(f.Fd(), ioctlFIODGNAME, uintptr(unsafe.Pointer(&arg))); err != nil { + return "", err + } + + for i, c := range buf { + if c == 0 { + return string(buf[:i]), nil + } + } + return "", errors.New("FIODGNAME string not NUL-terminated") +} diff --git a/vendor/github.com/kr/pty/pty_linux.go b/vendor/github.com/kr/pty/pty_linux.go new file mode 100644 index 0000000..296dd21 --- /dev/null +++ b/vendor/github.com/kr/pty/pty_linux.go @@ -0,0 +1,51 @@ +package pty + +import ( + "os" + "strconv" + "syscall" + "unsafe" +) + +func open() (pty, tty *os.File, err error) { + p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0) + if err != nil { + return nil, nil, err + } + // 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 + } + + if err := unlockpt(p); err != nil { + return nil, nil, err + } + + t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0) + if err != nil { + return nil, nil, err + } + return p, t, nil +} + +func ptsname(f *os.File) (string, error) { + var n _C_uint + err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n))) + if err != nil { + return "", err + } + return "/dev/pts/" + strconv.Itoa(int(n)), nil +} + +func unlockpt(f *os.File) error { + var u _C_int + // use TIOCSPTLCK with a zero valued arg to clear the slave pty lock + return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u))) +} diff --git a/vendor/github.com/kr/pty/pty_openbsd.go b/vendor/github.com/kr/pty/pty_openbsd.go new file mode 100644 index 0000000..6e7aeae --- /dev/null +++ b/vendor/github.com/kr/pty/pty_openbsd.go @@ -0,0 +1,33 @@ +package pty + +import ( + "os" + "syscall" + "unsafe" +) + +func open() (pty, tty *os.File, err error) { + /* + * from ptm(4): + * The PTMGET command allocates a free pseudo terminal, changes its + * ownership to the caller, revokes the access privileges for all previous + * users, opens the file descriptors for the master and slave devices and + * returns them to the caller in struct ptmget. + */ + + p, err := os.OpenFile("/dev/ptm", os.O_RDWR|syscall.O_CLOEXEC, 0) + if err != nil { + return nil, nil, err + } + defer p.Close() + + var ptm ptmget + if err := ioctl(p.Fd(), uintptr(ioctl_PTMGET), uintptr(unsafe.Pointer(&ptm))); err != nil { + return nil, nil, err + } + + pty = os.NewFile(uintptr(ptm.Cfd), "/dev/ptm") + tty = os.NewFile(uintptr(ptm.Sfd), "/dev/ptm") + + return pty, tty, nil +} diff --git a/vendor/github.com/kr/pty/pty_unsupported.go b/vendor/github.com/kr/pty/pty_unsupported.go new file mode 100644 index 0000000..9a3e721 --- /dev/null +++ b/vendor/github.com/kr/pty/pty_unsupported.go @@ -0,0 +1,11 @@ +// +build !linux,!darwin,!freebsd,!dragonfly,!openbsd + +package pty + +import ( + "os" +) + +func open() (pty, tty *os.File, err error) { + return nil, nil, ErrUnsupported +} diff --git a/vendor/github.com/kr/pty/run.go b/vendor/github.com/kr/pty/run.go new file mode 100644 index 0000000..baecca8 --- /dev/null +++ b/vendor/github.com/kr/pty/run.go @@ -0,0 +1,34 @@ +// +build !windows + +package pty + +import ( + "os" + "os/exec" + "syscall" +) + +// Start assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout, +// and c.Stderr, calls c.Start, and returns the File of the tty's +// corresponding pty. +func Start(c *exec.Cmd) (pty *os.File, err error) { + pty, tty, err := Open() + if err != nil { + return nil, err + } + defer tty.Close() + c.Stdout = tty + c.Stdin = tty + c.Stderr = tty + if c.SysProcAttr == nil { + c.SysProcAttr = &syscall.SysProcAttr{} + } + c.SysProcAttr.Setctty = true + c.SysProcAttr.Setsid = true + err = c.Start() + if err != nil { + pty.Close() + return nil, err + } + return pty, err +} diff --git a/vendor/github.com/kr/pty/types.go b/vendor/github.com/kr/pty/types.go new file mode 100644 index 0000000..5aecb6b --- /dev/null +++ b/vendor/github.com/kr/pty/types.go @@ -0,0 +1,10 @@ +// +build ignore + +package pty + +import "C" + +type ( + _C_int C.int + _C_uint C.uint +) diff --git a/vendor/github.com/kr/pty/types_dragonfly.go b/vendor/github.com/kr/pty/types_dragonfly.go new file mode 100644 index 0000000..5c0493b --- /dev/null +++ b/vendor/github.com/kr/pty/types_dragonfly.go @@ -0,0 +1,17 @@ +// +build ignore + +package pty + +/* +#define _KERNEL +#include +#include +#include +*/ +import "C" + +const ( + _C_SPECNAMELEN = C.SPECNAMELEN /* max length of devicename */ +) + +type fiodgnameArg C.struct_fiodname_args diff --git a/vendor/github.com/kr/pty/types_freebsd.go b/vendor/github.com/kr/pty/types_freebsd.go new file mode 100644 index 0000000..ce3eb95 --- /dev/null +++ b/vendor/github.com/kr/pty/types_freebsd.go @@ -0,0 +1,15 @@ +// +build ignore + +package pty + +/* +#include +#include +*/ +import "C" + +const ( + _C_SPECNAMELEN = C.SPECNAMELEN /* max length of devicename */ +) + +type fiodgnameArg C.struct_fiodgname_arg diff --git a/vendor/github.com/kr/pty/types_openbsd.go b/vendor/github.com/kr/pty/types_openbsd.go new file mode 100644 index 0000000..47701b5 --- /dev/null +++ b/vendor/github.com/kr/pty/types_openbsd.go @@ -0,0 +1,14 @@ +// +build ignore + +package pty + +/* +#include +#include +#include +*/ +import "C" + +type ptmget C.struct_ptmget + +var ioctl_PTMGET = C.PTMGET diff --git a/vendor/github.com/kr/pty/util.go b/vendor/github.com/kr/pty/util.go new file mode 100644 index 0000000..68a8584 --- /dev/null +++ b/vendor/github.com/kr/pty/util.go @@ -0,0 +1,64 @@ +// +build !windows + +package pty + +import ( + "os" + "syscall" + "unsafe" +) + +// InheritSize applies the terminal size of master to slave. This should be run +// in a signal handler for syscall.SIGWINCH to automatically resize the slave when +// the master receives a window size change notification. +func InheritSize(master, slave *os.File) error { + size, err := GetsizeFull(master) + if err != nil { + return err + } + err = Setsize(slave, 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/vendor/github.com/kr/pty/ztypes_386.go b/vendor/github.com/kr/pty/ztypes_386.go new file mode 100644 index 0000000..ff0b8fd --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_386.go @@ -0,0 +1,9 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_amd64.go b/vendor/github.com/kr/pty/ztypes_amd64.go new file mode 100644 index 0000000..ff0b8fd --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_amd64.go @@ -0,0 +1,9 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_arm.go b/vendor/github.com/kr/pty/ztypes_arm.go new file mode 100644 index 0000000..ff0b8fd --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_arm.go @@ -0,0 +1,9 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_arm64.go b/vendor/github.com/kr/pty/ztypes_arm64.go new file mode 100644 index 0000000..6c29a4b --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_arm64.go @@ -0,0 +1,11 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +// +build arm64 + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_dragonfly_amd64.go b/vendor/github.com/kr/pty/ztypes_dragonfly_amd64.go new file mode 100644 index 0000000..6b0ba03 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_dragonfly_amd64.go @@ -0,0 +1,14 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types_dragonfly.go + +package pty + +const ( + _C_SPECNAMELEN = 0x3f +) + +type fiodgnameArg struct { + Name *byte + Len uint32 + Pad_cgo_0 [4]byte +} diff --git a/vendor/github.com/kr/pty/ztypes_freebsd_386.go b/vendor/github.com/kr/pty/ztypes_freebsd_386.go new file mode 100644 index 0000000..d997537 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_freebsd_386.go @@ -0,0 +1,13 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types_freebsd.go + +package pty + +const ( + _C_SPECNAMELEN = 0x3f +) + +type fiodgnameArg struct { + Len int32 + Buf *byte +} diff --git a/vendor/github.com/kr/pty/ztypes_freebsd_amd64.go b/vendor/github.com/kr/pty/ztypes_freebsd_amd64.go new file mode 100644 index 0000000..5fa102f --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_freebsd_amd64.go @@ -0,0 +1,14 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types_freebsd.go + +package pty + +const ( + _C_SPECNAMELEN = 0x3f +) + +type fiodgnameArg struct { + Len int32 + Pad_cgo_0 [4]byte + Buf *byte +} diff --git a/vendor/github.com/kr/pty/ztypes_freebsd_arm.go b/vendor/github.com/kr/pty/ztypes_freebsd_arm.go new file mode 100644 index 0000000..d997537 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_freebsd_arm.go @@ -0,0 +1,13 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types_freebsd.go + +package pty + +const ( + _C_SPECNAMELEN = 0x3f +) + +type fiodgnameArg struct { + Len int32 + Buf *byte +} diff --git a/vendor/github.com/kr/pty/ztypes_mipsx.go b/vendor/github.com/kr/pty/ztypes_mipsx.go new file mode 100644 index 0000000..f0ce740 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_mipsx.go @@ -0,0 +1,12 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +// +build linux +// +build mips mipsle mips64 mips64le + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_openbsd_386.go b/vendor/github.com/kr/pty/ztypes_openbsd_386.go new file mode 100644 index 0000000..ccb3aab --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_openbsd_386.go @@ -0,0 +1,13 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types_openbsd.go + +package pty + +type ptmget struct { + Cfd int32 + Sfd int32 + Cn [16]int8 + Sn [16]int8 +} + +var ioctl_PTMGET = 0x40287401 diff --git a/vendor/github.com/kr/pty/ztypes_openbsd_amd64.go b/vendor/github.com/kr/pty/ztypes_openbsd_amd64.go new file mode 100644 index 0000000..e670516 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_openbsd_amd64.go @@ -0,0 +1,13 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types_openbsd.go + +package pty + +type ptmget struct { + Cfd int32 + Sfd int32 + Cn [16]int8 + Sn [16]int8 +} + +var ioctl_PTMGET = 0x40287401 diff --git a/vendor/github.com/kr/pty/ztypes_ppc64.go b/vendor/github.com/kr/pty/ztypes_ppc64.go new file mode 100644 index 0000000..4e1af84 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_ppc64.go @@ -0,0 +1,11 @@ +// +build ppc64 + +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_ppc64le.go b/vendor/github.com/kr/pty/ztypes_ppc64le.go new file mode 100644 index 0000000..e6780f4 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_ppc64le.go @@ -0,0 +1,11 @@ +// +build ppc64le + +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/kr/pty/ztypes_s390x.go b/vendor/github.com/kr/pty/ztypes_s390x.go new file mode 100644 index 0000000..a7452b6 --- /dev/null +++ b/vendor/github.com/kr/pty/ztypes_s390x.go @@ -0,0 +1,11 @@ +// +build s390x + +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs types.go + +package pty + +type ( + _C_int int32 + _C_uint uint32 +) diff --git a/vendor/github.com/liamg/glfont/font.go b/vendor/github.com/liamg/glfont/font.go index 802e097..20617a6 100644 --- a/vendor/github.com/liamg/glfont/font.go +++ b/vendor/github.com/liamg/glfont/font.go @@ -219,7 +219,7 @@ func (f *Font) Height(scale float32, text string) float32 { baseHeight = height height = 0 } - + //skip runes that are not in font chacter range if int(runeIndex)-int(lowChar) > len(f.fontChar) || runeIndex < lowChar { continue @@ -229,7 +229,7 @@ func (f *Font) Height(scale float32, text string) float32 { ch := f.fontChar[runeIndex-lowChar] // Now advance cursors for next glyph (note that advance is number of 1/64 pixels) - if float32(ch.height)*scale > height { + if float32(ch.height) * scale > height { height = float32(ch.height) * scale }