diff --git a/go.mod b/go.mod index 0cc92414..9e996dee 100644 --- a/go.mod +++ b/go.mod @@ -17,8 +17,7 @@ require ( github.com/mitchellh/go-wordwrap v1.0.0 // indirect github.com/palantir/pkg v1.0.1 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect - golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29 // indirect + golang.org/x/crypto v0.0.0-20191117063200-497ca9f6d64f // indirect golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f // indirect - golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 // indirect gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect ) diff --git a/go.sum b/go.sum index 33a10b5d..aff5239c 100644 --- a/go.sum +++ b/go.sum @@ -116,9 +116,8 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20191117063200-497ca9f6d64f h1:kz4KIr+xcPUsI3VMoqWfPMvtnJ6MGfiVwsWSVzphMO4= golang.org/x/crypto v0.0.0-20191117063200-497ca9f6d64f/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29 h1:tkVvjkPTB7pnW3jnid7kNyAMPVWllTNOf/qKDze4p9o= -golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -137,13 +136,10 @@ golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5h golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f h1:rlezHXNlxYWvBCzNses9Dlc7nGFaNMJeqLolcmQSSZY= golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E= -golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= -golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= diff --git a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go index a4d1919a..2f04ee5b 100644 --- a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go @@ -2,75 +2,965 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// Package terminal provides support functions for dealing with terminals, as -// commonly found on UNIX systems. -// -// Deprecated: this package moved to golang.org/x/term. package terminal import ( + "bytes" "io" - - "golang.org/x/term" + "strconv" + "sync" + "unicode/utf8" ) // EscapeCodes contains escape sequences that can be written to the terminal in // order to achieve different styles of text. -type EscapeCodes = term.EscapeCodes +type EscapeCodes struct { + // Foreground colors + Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte + + // Reset all attributes + Reset []byte +} + +var vt100EscapeCodes = EscapeCodes{ + Black: []byte{keyEscape, '[', '3', '0', 'm'}, + Red: []byte{keyEscape, '[', '3', '1', 'm'}, + Green: []byte{keyEscape, '[', '3', '2', 'm'}, + Yellow: []byte{keyEscape, '[', '3', '3', 'm'}, + Blue: []byte{keyEscape, '[', '3', '4', 'm'}, + Magenta: []byte{keyEscape, '[', '3', '5', 'm'}, + Cyan: []byte{keyEscape, '[', '3', '6', 'm'}, + White: []byte{keyEscape, '[', '3', '7', 'm'}, + + Reset: []byte{keyEscape, '[', '0', 'm'}, +} // Terminal contains the state for running a VT100 terminal that is capable of // reading lines of input. -type Terminal = term.Terminal +type Terminal struct { + // AutoCompleteCallback, if non-null, is called for each keypress with + // the full input line and the current position of the cursor (in + // bytes, as an index into |line|). If it returns ok=false, the key + // press is processed normally. Otherwise it returns a replacement line + // and the new cursor position. + AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool) + + // Escape contains a pointer to the escape codes for this terminal. + // It's always a valid pointer, although the escape codes themselves + // may be empty if the terminal doesn't support them. + Escape *EscapeCodes + + // lock protects the terminal and the state in this object from + // concurrent processing of a key press and a Write() call. + lock sync.Mutex + + c io.ReadWriter + prompt []rune + + // line is the current line being entered. + line []rune + // pos is the logical position of the cursor in line + pos int + // echo is true if local echo is enabled + echo bool + // pasteActive is true iff there is a bracketed paste operation in + // progress. + pasteActive bool + + // cursorX contains the current X value of the cursor where the left + // edge is 0. cursorY contains the row number where the first row of + // the current line is 0. + cursorX, cursorY int + // maxLine is the greatest value of cursorY so far. + maxLine int + + termWidth, termHeight int + + // outBuf contains the terminal data to be sent. + outBuf []byte + // remainder contains the remainder of any partial key sequences after + // a read. It aliases into inBuf. + remainder []byte + inBuf [256]byte + + // history contains previously entered commands so that they can be + // accessed with the up and down keys. + history stRingBuffer + // historyIndex stores the currently accessed history entry, where zero + // means the immediately previous entry. + historyIndex int + // When navigating up and down the history it's possible to return to + // the incomplete, initial line. That value is stored in + // historyPending. + historyPending string +} // NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is // a local terminal, that terminal must first have been put into raw mode. // prompt is a string that is written at the start of each input line (i.e. // "> "). func NewTerminal(c io.ReadWriter, prompt string) *Terminal { - return term.NewTerminal(c, prompt) + return &Terminal{ + Escape: &vt100EscapeCodes, + c: c, + prompt: []rune(prompt), + termWidth: 80, + termHeight: 24, + echo: true, + historyIndex: -1, + } +} + +const ( + keyCtrlD = 4 + keyCtrlU = 21 + keyEnter = '\r' + keyEscape = 27 + keyBackspace = 127 + keyUnknown = 0xd800 /* UTF-16 surrogate area */ + iota + keyUp + keyDown + keyLeft + keyRight + keyAltLeft + keyAltRight + keyHome + keyEnd + keyDeleteWord + keyDeleteLine + keyClearScreen + keyPasteStart + keyPasteEnd +) + +var ( + crlf = []byte{'\r', '\n'} + pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'} + pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'} +) + +// bytesToKey tries to parse a key sequence from b. If successful, it returns +// the key and the remainder of the input. Otherwise it returns utf8.RuneError. +func bytesToKey(b []byte, pasteActive bool) (rune, []byte) { + if len(b) == 0 { + return utf8.RuneError, nil + } + + if !pasteActive { + switch b[0] { + case 1: // ^A + return keyHome, b[1:] + case 5: // ^E + return keyEnd, b[1:] + case 8: // ^H + return keyBackspace, b[1:] + case 11: // ^K + return keyDeleteLine, b[1:] + case 12: // ^L + return keyClearScreen, b[1:] + case 23: // ^W + return keyDeleteWord, b[1:] + case 14: // ^N + return keyDown, b[1:] + case 16: // ^P + return keyUp, b[1:] + } + } + + if b[0] != keyEscape { + if !utf8.FullRune(b) { + return utf8.RuneError, b + } + r, l := utf8.DecodeRune(b) + return r, b[l:] + } + + if !pasteActive && len(b) >= 3 && b[0] == keyEscape && b[1] == '[' { + switch b[2] { + case 'A': + return keyUp, b[3:] + case 'B': + return keyDown, b[3:] + case 'C': + return keyRight, b[3:] + case 'D': + return keyLeft, b[3:] + case 'H': + return keyHome, b[3:] + case 'F': + return keyEnd, b[3:] + } + } + + if !pasteActive && len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' { + switch b[5] { + case 'C': + return keyAltRight, b[6:] + case 'D': + return keyAltLeft, b[6:] + } + } + + if !pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteStart) { + return keyPasteStart, b[6:] + } + + if pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteEnd) { + return keyPasteEnd, b[6:] + } + + // If we get here then we have a key that we don't recognise, or a + // partial sequence. It's not clear how one should find the end of a + // sequence without knowing them all, but it seems that [a-zA-Z~] only + // appears at the end of a sequence. + for i, c := range b[0:] { + if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c == '~' { + return keyUnknown, b[i+1:] + } + } + + return utf8.RuneError, b +} + +// queue appends data to the end of t.outBuf +func (t *Terminal) queue(data []rune) { + t.outBuf = append(t.outBuf, []byte(string(data))...) +} + +var eraseUnderCursor = []rune{' ', keyEscape, '[', 'D'} +var space = []rune{' '} + +func isPrintable(key rune) bool { + isInSurrogateArea := key >= 0xd800 && key <= 0xdbff + return key >= 32 && !isInSurrogateArea +} + +// moveCursorToPos appends data to t.outBuf which will move the cursor to the +// given, logical position in the text. +func (t *Terminal) moveCursorToPos(pos int) { + if !t.echo { + return + } + + x := visualLength(t.prompt) + pos + y := x / t.termWidth + x = x % t.termWidth + + up := 0 + if y < t.cursorY { + up = t.cursorY - y + } + + down := 0 + if y > t.cursorY { + down = y - t.cursorY + } + + left := 0 + if x < t.cursorX { + left = t.cursorX - x + } + + right := 0 + if x > t.cursorX { + right = x - t.cursorX + } + + t.cursorX = x + t.cursorY = y + t.move(up, down, left, right) +} + +func (t *Terminal) move(up, down, left, right int) { + m := []rune{} + + // 1 unit up can be expressed as ^[[A or ^[A + // 5 units up can be expressed as ^[[5A + + if up == 1 { + m = append(m, keyEscape, '[', 'A') + } else if up > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(up))...) + m = append(m, 'A') + } + + if down == 1 { + m = append(m, keyEscape, '[', 'B') + } else if down > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(down))...) + m = append(m, 'B') + } + + if right == 1 { + m = append(m, keyEscape, '[', 'C') + } else if right > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(right))...) + m = append(m, 'C') + } + + if left == 1 { + m = append(m, keyEscape, '[', 'D') + } else if left > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(left))...) + m = append(m, 'D') + } + + t.queue(m) +} + +func (t *Terminal) clearLineToRight() { + op := []rune{keyEscape, '[', 'K'} + t.queue(op) +} + +const maxLineLength = 4096 + +func (t *Terminal) setLine(newLine []rune, newPos int) { + if t.echo { + t.moveCursorToPos(0) + t.writeLine(newLine) + for i := len(newLine); i < len(t.line); i++ { + t.writeLine(space) + } + t.moveCursorToPos(newPos) + } + t.line = newLine + t.pos = newPos +} + +func (t *Terminal) advanceCursor(places int) { + t.cursorX += places + t.cursorY += t.cursorX / t.termWidth + if t.cursorY > t.maxLine { + t.maxLine = t.cursorY + } + t.cursorX = t.cursorX % t.termWidth + + if places > 0 && t.cursorX == 0 { + // Normally terminals will advance the current position + // when writing a character. But that doesn't happen + // for the last character in a line. However, when + // writing a character (except a new line) that causes + // a line wrap, the position will be advanced two + // places. + // + // So, if we are stopping at the end of a line, we + // need to write a newline so that our cursor can be + // advanced to the next line. + t.outBuf = append(t.outBuf, '\r', '\n') + } +} + +func (t *Terminal) eraseNPreviousChars(n int) { + if n == 0 { + return + } + + if t.pos < n { + n = t.pos + } + t.pos -= n + t.moveCursorToPos(t.pos) + + copy(t.line[t.pos:], t.line[n+t.pos:]) + t.line = t.line[:len(t.line)-n] + if t.echo { + t.writeLine(t.line[t.pos:]) + for i := 0; i < n; i++ { + t.queue(space) + } + t.advanceCursor(n) + t.moveCursorToPos(t.pos) + } +} + +// countToLeftWord returns then number of characters from the cursor to the +// start of the previous word. +func (t *Terminal) countToLeftWord() int { + if t.pos == 0 { + return 0 + } + + pos := t.pos - 1 + for pos > 0 { + if t.line[pos] != ' ' { + break + } + pos-- + } + for pos > 0 { + if t.line[pos] == ' ' { + pos++ + break + } + pos-- + } + + return t.pos - pos +} + +// countToRightWord returns then number of characters from the cursor to the +// start of the next word. +func (t *Terminal) countToRightWord() int { + pos := t.pos + for pos < len(t.line) { + if t.line[pos] == ' ' { + break + } + pos++ + } + for pos < len(t.line) { + if t.line[pos] != ' ' { + break + } + pos++ + } + return pos - t.pos +} + +// visualLength returns the number of visible glyphs in s. +func visualLength(runes []rune) int { + inEscapeSeq := false + length := 0 + + for _, r := range runes { + switch { + case inEscapeSeq: + if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') { + inEscapeSeq = false + } + case r == '\x1b': + inEscapeSeq = true + default: + length++ + } + } + + return length +} + +// handleKey processes the given key and, optionally, returns a line of text +// that the user has entered. +func (t *Terminal) handleKey(key rune) (line string, ok bool) { + if t.pasteActive && key != keyEnter { + t.addKeyToLine(key) + return + } + + switch key { + case keyBackspace: + if t.pos == 0 { + return + } + t.eraseNPreviousChars(1) + case keyAltLeft: + // move left by a word. + t.pos -= t.countToLeftWord() + t.moveCursorToPos(t.pos) + case keyAltRight: + // move right by a word. + t.pos += t.countToRightWord() + t.moveCursorToPos(t.pos) + case keyLeft: + if t.pos == 0 { + return + } + t.pos-- + t.moveCursorToPos(t.pos) + case keyRight: + if t.pos == len(t.line) { + return + } + t.pos++ + t.moveCursorToPos(t.pos) + case keyHome: + if t.pos == 0 { + return + } + t.pos = 0 + t.moveCursorToPos(t.pos) + case keyEnd: + if t.pos == len(t.line) { + return + } + t.pos = len(t.line) + t.moveCursorToPos(t.pos) + case keyUp: + entry, ok := t.history.NthPreviousEntry(t.historyIndex + 1) + if !ok { + return "", false + } + if t.historyIndex == -1 { + t.historyPending = string(t.line) + } + t.historyIndex++ + runes := []rune(entry) + t.setLine(runes, len(runes)) + case keyDown: + switch t.historyIndex { + case -1: + return + case 0: + runes := []rune(t.historyPending) + t.setLine(runes, len(runes)) + t.historyIndex-- + default: + entry, ok := t.history.NthPreviousEntry(t.historyIndex - 1) + if ok { + t.historyIndex-- + runes := []rune(entry) + t.setLine(runes, len(runes)) + } + } + case keyEnter: + t.moveCursorToPos(len(t.line)) + t.queue([]rune("\r\n")) + line = string(t.line) + ok = true + t.line = t.line[:0] + t.pos = 0 + t.cursorX = 0 + t.cursorY = 0 + t.maxLine = 0 + case keyDeleteWord: + // Delete zero or more spaces and then one or more characters. + t.eraseNPreviousChars(t.countToLeftWord()) + case keyDeleteLine: + // Delete everything from the current cursor position to the + // end of line. + for i := t.pos; i < len(t.line); i++ { + t.queue(space) + t.advanceCursor(1) + } + t.line = t.line[:t.pos] + t.moveCursorToPos(t.pos) + case keyCtrlD: + // Erase the character under the current position. + // The EOF case when the line is empty is handled in + // readLine(). + if t.pos < len(t.line) { + t.pos++ + t.eraseNPreviousChars(1) + } + case keyCtrlU: + t.eraseNPreviousChars(t.pos) + case keyClearScreen: + // Erases the screen and moves the cursor to the home position. + t.queue([]rune("\x1b[2J\x1b[H")) + t.queue(t.prompt) + t.cursorX, t.cursorY = 0, 0 + t.advanceCursor(visualLength(t.prompt)) + t.setLine(t.line, t.pos) + default: + if t.AutoCompleteCallback != nil { + prefix := string(t.line[:t.pos]) + suffix := string(t.line[t.pos:]) + + t.lock.Unlock() + newLine, newPos, completeOk := t.AutoCompleteCallback(prefix+suffix, len(prefix), key) + t.lock.Lock() + + if completeOk { + t.setLine([]rune(newLine), utf8.RuneCount([]byte(newLine)[:newPos])) + return + } + } + if !isPrintable(key) { + return + } + if len(t.line) == maxLineLength { + return + } + t.addKeyToLine(key) + } + return +} + +// addKeyToLine inserts the given key at the current position in the current +// line. +func (t *Terminal) addKeyToLine(key rune) { + if len(t.line) == cap(t.line) { + newLine := make([]rune, len(t.line), 2*(1+len(t.line))) + copy(newLine, t.line) + t.line = newLine + } + t.line = t.line[:len(t.line)+1] + copy(t.line[t.pos+1:], t.line[t.pos:]) + t.line[t.pos] = key + if t.echo { + t.writeLine(t.line[t.pos:]) + } + t.pos++ + t.moveCursorToPos(t.pos) +} + +func (t *Terminal) writeLine(line []rune) { + for len(line) != 0 { + remainingOnLine := t.termWidth - t.cursorX + todo := len(line) + if todo > remainingOnLine { + todo = remainingOnLine + } + t.queue(line[:todo]) + t.advanceCursor(visualLength(line[:todo])) + line = line[todo:] + } +} + +// writeWithCRLF writes buf to w but replaces all occurrences of \n with \r\n. +func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) { + for len(buf) > 0 { + i := bytes.IndexByte(buf, '\n') + todo := len(buf) + if i >= 0 { + todo = i + } + + var nn int + nn, err = w.Write(buf[:todo]) + n += nn + if err != nil { + return n, err + } + buf = buf[todo:] + + if i >= 0 { + if _, err = w.Write(crlf); err != nil { + return n, err + } + n++ + buf = buf[1:] + } + } + + return n, nil +} + +func (t *Terminal) Write(buf []byte) (n int, err error) { + t.lock.Lock() + defer t.lock.Unlock() + + if t.cursorX == 0 && t.cursorY == 0 { + // This is the easy case: there's nothing on the screen that we + // have to move out of the way. + return writeWithCRLF(t.c, buf) + } + + // We have a prompt and possibly user input on the screen. We + // have to clear it first. + t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */) + t.cursorX = 0 + t.clearLineToRight() + + for t.cursorY > 0 { + t.move(1 /* up */, 0, 0, 0) + t.cursorY-- + t.clearLineToRight() + } + + if _, err = t.c.Write(t.outBuf); err != nil { + return + } + t.outBuf = t.outBuf[:0] + + if n, err = writeWithCRLF(t.c, buf); err != nil { + return + } + + t.writeLine(t.prompt) + if t.echo { + t.writeLine(t.line) + } + + t.moveCursorToPos(t.pos) + + if _, err = t.c.Write(t.outBuf); err != nil { + return + } + t.outBuf = t.outBuf[:0] + return +} + +// ReadPassword temporarily changes the prompt and reads a password, without +// echo, from the terminal. +func (t *Terminal) ReadPassword(prompt string) (line string, err error) { + t.lock.Lock() + defer t.lock.Unlock() + + oldPrompt := t.prompt + t.prompt = []rune(prompt) + t.echo = false + + line, err = t.readLine() + + t.prompt = oldPrompt + t.echo = true + + return +} + +// ReadLine returns a line of input from the terminal. +func (t *Terminal) ReadLine() (line string, err error) { + t.lock.Lock() + defer t.lock.Unlock() + + return t.readLine() +} + +func (t *Terminal) readLine() (line string, err error) { + // t.lock must be held at this point + + if t.cursorX == 0 && t.cursorY == 0 { + t.writeLine(t.prompt) + t.c.Write(t.outBuf) + t.outBuf = t.outBuf[:0] + } + + lineIsPasted := t.pasteActive + + for { + rest := t.remainder + lineOk := false + for !lineOk { + var key rune + key, rest = bytesToKey(rest, t.pasteActive) + if key == utf8.RuneError { + break + } + if !t.pasteActive { + if key == keyCtrlD { + if len(t.line) == 0 { + return "", io.EOF + } + } + if key == keyPasteStart { + t.pasteActive = true + if len(t.line) == 0 { + lineIsPasted = true + } + continue + } + } else if key == keyPasteEnd { + t.pasteActive = false + continue + } + if !t.pasteActive { + lineIsPasted = false + } + line, lineOk = t.handleKey(key) + } + if len(rest) > 0 { + n := copy(t.inBuf[:], rest) + t.remainder = t.inBuf[:n] + } else { + t.remainder = nil + } + t.c.Write(t.outBuf) + t.outBuf = t.outBuf[:0] + if lineOk { + if t.echo { + t.historyIndex = -1 + t.history.Add(line) + } + if lineIsPasted { + err = ErrPasteIndicator + } + return + } + + // t.remainder is a slice at the beginning of t.inBuf + // containing a partial key sequence + readBuf := t.inBuf[len(t.remainder):] + var n int + + t.lock.Unlock() + n, err = t.c.Read(readBuf) + t.lock.Lock() + + if err != nil { + return + } + + t.remainder = t.inBuf[:n+len(t.remainder)] + } +} + +// SetPrompt sets the prompt to be used when reading subsequent lines. +func (t *Terminal) SetPrompt(prompt string) { + t.lock.Lock() + defer t.lock.Unlock() + + t.prompt = []rune(prompt) +} + +func (t *Terminal) clearAndRepaintLinePlusNPrevious(numPrevLines int) { + // Move cursor to column zero at the start of the line. + t.move(t.cursorY, 0, t.cursorX, 0) + t.cursorX, t.cursorY = 0, 0 + t.clearLineToRight() + for t.cursorY < numPrevLines { + // Move down a line + t.move(0, 1, 0, 0) + t.cursorY++ + t.clearLineToRight() + } + // Move back to beginning. + t.move(t.cursorY, 0, 0, 0) + t.cursorX, t.cursorY = 0, 0 + + t.queue(t.prompt) + t.advanceCursor(visualLength(t.prompt)) + t.writeLine(t.line) + t.moveCursorToPos(t.pos) +} + +func (t *Terminal) SetSize(width, height int) error { + t.lock.Lock() + defer t.lock.Unlock() + + if width == 0 { + width = 1 + } + + oldWidth := t.termWidth + t.termWidth, t.termHeight = width, height + + switch { + case width == oldWidth: + // If the width didn't change then nothing else needs to be + // done. + return nil + case len(t.line) == 0 && t.cursorX == 0 && t.cursorY == 0: + // If there is nothing on current line and no prompt printed, + // just do nothing + return nil + case width < oldWidth: + // Some terminals (e.g. xterm) will truncate lines that were + // too long when shinking. Others, (e.g. gnome-terminal) will + // attempt to wrap them. For the former, repainting t.maxLine + // works great, but that behaviour goes badly wrong in the case + // of the latter because they have doubled every full line. + + // We assume that we are working on a terminal that wraps lines + // and adjust the cursor position based on every previous line + // wrapping and turning into two. This causes the prompt on + // xterms to move upwards, which isn't great, but it avoids a + // huge mess with gnome-terminal. + if t.cursorX >= t.termWidth { + t.cursorX = t.termWidth - 1 + } + t.cursorY *= 2 + t.clearAndRepaintLinePlusNPrevious(t.maxLine * 2) + case width > oldWidth: + // If the terminal expands then our position calculations will + // be wrong in the future because we think the cursor is + // |t.pos| chars into the string, but there will be a gap at + // the end of any wrapped line. + // + // But the position will actually be correct until we move, so + // we can move back to the beginning and repaint everything. + t.clearAndRepaintLinePlusNPrevious(t.maxLine) + } + + _, err := t.c.Write(t.outBuf) + t.outBuf = t.outBuf[:0] + return err +} + +type pasteIndicatorError struct{} + +func (pasteIndicatorError) Error() string { + return "terminal: ErrPasteIndicator not correctly handled" } // ErrPasteIndicator may be returned from ReadLine as the error, in addition // to valid line data. It indicates that bracketed paste mode is enabled and // that the returned line consists only of pasted data. Programs may wish to // interpret pasted data more literally than typed data. -var ErrPasteIndicator = term.ErrPasteIndicator - -// State contains the state of a terminal. -type State = term.State +var ErrPasteIndicator = pasteIndicatorError{} -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - return term.IsTerminal(fd) +// SetBracketedPasteMode requests that the terminal bracket paste operations +// with markers. Not all terminals support this but, if it is supported, then +// enabling this mode will stop any autocomplete callback from running due to +// pastes. Additionally, any lines that are completely pasted will be returned +// from ReadLine with the error set to ErrPasteIndicator. +func (t *Terminal) SetBracketedPasteMode(on bool) { + if on { + io.WriteString(t.c, "\x1b[?2004h") + } else { + io.WriteString(t.c, "\x1b[?2004l") + } } -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - return term.ReadPassword(fd) +// stRingBuffer is a ring buffer of strings. +type stRingBuffer struct { + // entries contains max elements. + entries []string + max int + // head contains the index of the element most recently added to the ring. + head int + // size contains the number of elements in the ring. + size int } -// MakeRaw puts the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -func MakeRaw(fd int) (*State, error) { - return term.MakeRaw(fd) -} +func (s *stRingBuffer) Add(a string) { + if s.entries == nil { + const defaultNumEntries = 100 + s.entries = make([]string, defaultNumEntries) + s.max = defaultNumEntries + } -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, oldState *State) error { - return term.Restore(fd, oldState) + s.head = (s.head + 1) % s.max + s.entries[s.head] = a + if s.size < s.max { + s.size++ + } } -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - return term.GetState(fd) +// NthPreviousEntry returns the value passed to the nth previous call to Add. +// If n is zero then the immediately prior value is returned, if one, then the +// next most recent, and so on. If such an element doesn't exist then ok is +// false. +func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) { + if n >= s.size { + return "", false + } + index := s.head - n + if index < 0 { + index += s.max + } + return s.entries[index], true } -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - return term.GetSize(fd) +// readPasswordLine reads from reader until it finds \n or io.EOF. +// The slice returned does not include the \n. +// readPasswordLine also ignores any \r it finds. +func readPasswordLine(reader io.Reader) ([]byte, error) { + var buf [1]byte + var ret []byte + + for { + n, err := reader.Read(buf[:]) + if n > 0 { + switch buf[0] { + case '\n': + return ret, nil + case '\r': + // remove \r from passwords on Windows + default: + ret = append(ret, buf[0]) + } + continue + } + if err != nil { + if err == io.EOF && len(ret) > 0 { + return ret, nil + } + return ret, err + } + } } diff --git a/vendor/golang.org/x/term/term_unix.go b/vendor/golang.org/x/crypto/ssh/terminal/util.go similarity index 53% rename from vendor/golang.org/x/term/term_unix.go rename to vendor/golang.org/x/crypto/ssh/terminal/util.go index 4c60e457..39110408 100644 --- a/vendor/golang.org/x/term/term_unix.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/util.go @@ -1,31 +1,46 @@ -// Copyright 2019 The Go Authors. All rights reserved. +// Copyright 2011 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. -// +build aix darwin dragonfly freebsd linux netbsd openbsd zos +// +build aix darwin dragonfly freebsd linux,!appengine netbsd openbsd -package term +// Package terminal provides support functions for dealing with terminals, as +// commonly found on UNIX systems. +// +// Putting a terminal into raw mode is the most common requirement: +// +// oldState, err := terminal.MakeRaw(0) +// if err != nil { +// panic(err) +// } +// defer terminal.Restore(0, oldState) +package terminal // import "golang.org/x/crypto/ssh/terminal" import ( "golang.org/x/sys/unix" ) -type state struct { +// State contains the state of a terminal. +type State struct { termios unix.Termios } -func isTerminal(fd int) bool { +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { _, err := unix.IoctlGetTermios(fd, ioctlReadTermios) return err == nil } -func makeRaw(fd int) (*State, error) { +// MakeRaw put the terminal connected to the given file descriptor into raw +// mode and returns the previous state of the terminal so that it can be +// restored. +func MakeRaw(fd int) (*State, error) { termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) if err != nil { return nil, err } - oldState := State{state{termios: *termios}} + oldState := State{termios: *termios} // This attempts to replicate the behaviour documented for cfmakeraw in // the termios(3) manpage. @@ -43,20 +58,25 @@ func makeRaw(fd int) (*State, error) { return &oldState, nil } -func getState(fd int) (*State, error) { +// GetState returns the current state of a terminal which may be useful to +// restore the terminal after a signal. +func GetState(fd int) (*State, error) { termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) if err != nil { return nil, err } - return &State{state{termios: *termios}}, nil + return &State{termios: *termios}, nil } -func restore(fd int, state *State) error { +// Restore restores the terminal connected to the given file descriptor to a +// previous state. +func Restore(fd int, state *State) error { return unix.IoctlSetTermios(fd, ioctlWriteTermios, &state.termios) } -func getSize(fd int) (width, height int, err error) { +// GetSize returns the dimensions of the given terminal. +func GetSize(fd int) (width, height int, err error) { ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) if err != nil { return -1, -1, err @@ -71,7 +91,10 @@ func (r passwordReader) Read(buf []byte) (int, error) { return unix.Read(int(r), buf) } -func readPassword(fd int) ([]byte, error) { +// ReadPassword reads a line of input from a terminal without local echo. This +// is commonly used for inputting passwords and other sensitive data. The slice +// returned does not include the \n. +func ReadPassword(fd int) ([]byte, error) { termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) if err != nil { return nil, err diff --git a/vendor/golang.org/x/term/term_unix_aix.go b/vendor/golang.org/x/crypto/ssh/terminal/util_aix.go similarity index 71% rename from vendor/golang.org/x/term/term_unix_aix.go rename to vendor/golang.org/x/crypto/ssh/terminal/util_aix.go index 2d5efd26..dfcd6278 100644 --- a/vendor/golang.org/x/term/term_unix_aix.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/util_aix.go @@ -1,8 +1,10 @@ -// Copyright 2019 The Go Authors. All rights reserved. +// Copyright 2018 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 +// +build aix + +package terminal import "golang.org/x/sys/unix" diff --git a/vendor/golang.org/x/term/term_unix_bsd.go b/vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go similarity index 95% rename from vendor/golang.org/x/term/term_unix_bsd.go rename to vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go index 3342be00..cb23a590 100644 --- a/vendor/golang.org/x/term/term_unix_bsd.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go @@ -4,7 +4,7 @@ // +build darwin dragonfly freebsd netbsd openbsd -package term +package terminal import "golang.org/x/sys/unix" diff --git a/vendor/golang.org/x/term/term_unix_zos.go b/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go similarity index 74% rename from vendor/golang.org/x/term/term_unix_zos.go rename to vendor/golang.org/x/crypto/ssh/terminal/util_linux.go index b85ab899..5fadfe8a 100644 --- a/vendor/golang.org/x/term/term_unix_zos.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go @@ -1,8 +1,8 @@ -// Copyright 2020 The Go Authors. All rights reserved. +// Copyright 2013 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 +package terminal import "golang.org/x/sys/unix" diff --git a/vendor/golang.org/x/term/term.go b/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go similarity index 56% rename from vendor/golang.org/x/term/term.go rename to vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go index 69931cc8..9317ac7e 100644 --- a/vendor/golang.org/x/term/term.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go @@ -1,8 +1,8 @@ -// Copyright 2019 The Go Authors. All rights reserved. +// Copyright 2016 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 provides support functions for dealing with terminals, as +// Package terminal provides support functions for dealing with terminals, as // commonly found on UNIX systems. // // Putting a terminal into raw mode is the most common requirement: @@ -12,47 +12,47 @@ // panic(err) // } // defer terminal.Restore(0, oldState) -package term +package terminal -// State contains the state of a terminal. -type State struct { - state -} +import ( + "fmt" + "runtime" +) + +type State struct{} // IsTerminal returns whether the given file descriptor is a terminal. func IsTerminal(fd int) bool { - return isTerminal(fd) + return false } -// MakeRaw puts the terminal connected to the given file descriptor into raw +// MakeRaw put the terminal connected to the given file descriptor into raw // mode and returns the previous state of the terminal so that it can be // restored. func MakeRaw(fd int) (*State, error) { - return makeRaw(fd) + return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) } // GetState returns the current state of a terminal which may be useful to // restore the terminal after a signal. func GetState(fd int) (*State, error) { - return getState(fd) + return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) } // Restore restores the terminal connected to the given file descriptor to a // previous state. -func Restore(fd int, oldState *State) error { - return restore(fd, oldState) +func Restore(fd int, state *State) error { + return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) } -// GetSize returns the visible dimensions of the given terminal. -// -// These dimensions don't include any scrollback buffer height. +// GetSize returns the dimensions of the given terminal. func GetSize(fd int) (width, height int, err error) { - return getSize(fd) + return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) } // ReadPassword reads a line of input from a terminal without local echo. This // is commonly used for inputting passwords and other sensitive data. The slice // returned does not include the \n. func ReadPassword(fd int) ([]byte, error) { - return readPassword(fd) + return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) } diff --git a/vendor/golang.org/x/term/term_solaris.go b/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go similarity index 61% rename from vendor/golang.org/x/term/term_solaris.go rename to vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go index b9da2974..3d5f06a9 100644 --- a/vendor/golang.org/x/term/term_solaris.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go @@ -1,27 +1,32 @@ -// Copyright 2019 The Go Authors. All rights reserved. +// Copyright 2015 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 +// +build solaris + +package terminal // import "golang.org/x/crypto/ssh/terminal" import ( + "golang.org/x/sys/unix" "io" "syscall" - - "golang.org/x/sys/unix" ) // State contains the state of a terminal. -type state struct { +type State struct { termios unix.Termios } -func isTerminal(fd int) bool { +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { _, err := unix.IoctlGetTermio(fd, unix.TCGETA) return err == nil } -func readPassword(fd int) ([]byte, error) { +// ReadPassword reads a line of input from a terminal without local echo. This +// is commonly used for inputting passwords and other sensitive data. The slice +// returned does not include the \n. +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 { @@ -65,14 +70,17 @@ func readPassword(fd int) ([]byte, error) { return ret, nil } -func makeRaw(fd int) (*State, error) { - // see http://cr.illumos.org/~webrev/andy_js/1060/ +// MakeRaw puts the terminal connected to the given file descriptor into raw +// mode and returns the previous state of the terminal so that it can be +// restored. +// see http://cr.illumos.org/~webrev/andy_js/1060/ +func MakeRaw(fd int) (*State, error) { termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) if err != nil { return nil, err } - oldState := State{state{termios: *termios}} + oldState := 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 @@ -89,20 +97,25 @@ func makeRaw(fd int) (*State, error) { return &oldState, nil } -func restore(fd int, oldState *State) error { +// Restore restores the terminal connected to the given file descriptor to a +// previous state. +func Restore(fd int, oldState *State) error { return unix.IoctlSetTermios(fd, unix.TCSETS, &oldState.termios) } -func getState(fd int) (*State, error) { +// GetState returns the current state of a terminal which may be useful to +// restore the terminal after a signal. +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 + return &State{termios: *termios}, nil } -func getSize(fd int) (width, height int, err error) { +// GetSize returns the dimensions of the given terminal. +func GetSize(fd int) (width, height int, err error) { ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) if err != nil { return 0, 0, err diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go b/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go new file mode 100644 index 00000000..5cfdf8f3 --- /dev/null +++ b/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go @@ -0,0 +1,105 @@ +// Copyright 2011 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. + +// +build windows + +// Package terminal provides support functions for dealing with terminals, as +// commonly found on UNIX systems. +// +// Putting a terminal into raw mode is the most common requirement: +// +// oldState, err := terminal.MakeRaw(0) +// if err != nil { +// panic(err) +// } +// defer terminal.Restore(0, oldState) +package terminal + +import ( + "os" + + "golang.org/x/sys/windows" +) + +type State struct { + mode uint32 +} + +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { + var st uint32 + err := windows.GetConsoleMode(windows.Handle(fd), &st) + return err == nil +} + +// MakeRaw put the terminal connected to the given file descriptor into raw +// mode and returns the previous state of the terminal so that it can be +// restored. +func MakeRaw(fd int) (*State, error) { + var st uint32 + if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { + return nil, err + } + raw := st &^ (windows.ENABLE_ECHO_INPUT | windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) + if err := windows.SetConsoleMode(windows.Handle(fd), raw); err != nil { + return nil, err + } + return &State{st}, nil +} + +// GetState returns the current state of a terminal which may be useful to +// restore the terminal after a signal. +func GetState(fd int) (*State, error) { + var st uint32 + if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { + return nil, err + } + return &State{st}, nil +} + +// Restore restores the terminal connected to the given file descriptor to a +// previous state. +func Restore(fd int, state *State) error { + return windows.SetConsoleMode(windows.Handle(fd), state.mode) +} + +// GetSize returns the visible dimensions of the given terminal. +// +// These dimensions don't include any scrollback buffer height. +func GetSize(fd int) (width, height int, err error) { + var info windows.ConsoleScreenBufferInfo + if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil { + return 0, 0, err + } + return int(info.Window.Right - info.Window.Left + 1), int(info.Window.Bottom - info.Window.Top + 1), nil +} + +// ReadPassword reads a line of input from a terminal without local echo. This +// is commonly used for inputting passwords and other sensitive data. The slice +// returned does not include the \n. +func ReadPassword(fd int) ([]byte, error) { + var st uint32 + if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { + return nil, err + } + old := st + + st &^= (windows.ENABLE_ECHO_INPUT) + st |= (windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) + if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil { + return nil, err + } + + defer windows.SetConsoleMode(windows.Handle(fd), old) + + var h windows.Handle + p, _ := windows.GetCurrentProcess() + if err := windows.DuplicateHandle(p, windows.Handle(fd), p, &h, 0, false, windows.DUPLICATE_SAME_ACCESS); err != nil { + return nil, err + } + + f := os.NewFile(uintptr(h), "stdin") + defer f.Close() + return readPasswordLine(f) +} diff --git a/vendor/golang.org/x/sys/plan9/asm.s b/vendor/golang.org/x/sys/plan9/asm.s deleted file mode 100644 index 06449ebf..00000000 --- a/vendor/golang.org/x/sys/plan9/asm.s +++ /dev/null @@ -1,8 +0,0 @@ -// 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. - -#include "textflag.h" - -TEXT ·use(SB),NOSPLIT,$0 - RET diff --git a/vendor/golang.org/x/sys/plan9/asm_plan9_386.s b/vendor/golang.org/x/sys/plan9/asm_plan9_386.s deleted file mode 100644 index bc5cab1f..00000000 --- a/vendor/golang.org/x/sys/plan9/asm_plan9_386.s +++ /dev/null @@ -1,30 +0,0 @@ -// Copyright 2009 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. - -#include "textflag.h" - -// -// System call support for 386, Plan 9 -// - -// Just jump to package syscall's implementation for all these functions. -// The runtime may know about them. - -TEXT ·Syscall(SB),NOSPLIT,$0-32 - JMP syscall·Syscall(SB) - -TEXT ·Syscall6(SB),NOSPLIT,$0-44 - JMP syscall·Syscall6(SB) - -TEXT ·RawSyscall(SB),NOSPLIT,$0-28 - JMP syscall·RawSyscall(SB) - -TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 - JMP syscall·RawSyscall6(SB) - -TEXT ·seek(SB),NOSPLIT,$0-36 - JMP syscall·seek(SB) - -TEXT ·exit(SB),NOSPLIT,$4-4 - JMP syscall·exit(SB) diff --git a/vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s b/vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s deleted file mode 100644 index d3448e67..00000000 --- a/vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s +++ /dev/null @@ -1,30 +0,0 @@ -// Copyright 2009 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. - -#include "textflag.h" - -// -// System call support for amd64, Plan 9 -// - -// Just jump to package syscall's implementation for all these functions. -// The runtime may know about them. - -TEXT ·Syscall(SB),NOSPLIT,$0-64 - JMP syscall·Syscall(SB) - -TEXT ·Syscall6(SB),NOSPLIT,$0-88 - JMP syscall·Syscall6(SB) - -TEXT ·RawSyscall(SB),NOSPLIT,$0-56 - JMP syscall·RawSyscall(SB) - -TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 - JMP syscall·RawSyscall6(SB) - -TEXT ·seek(SB),NOSPLIT,$0-56 - JMP syscall·seek(SB) - -TEXT ·exit(SB),NOSPLIT,$8-8 - JMP syscall·exit(SB) diff --git a/vendor/golang.org/x/sys/plan9/asm_plan9_arm.s b/vendor/golang.org/x/sys/plan9/asm_plan9_arm.s deleted file mode 100644 index afb7c0a9..00000000 --- a/vendor/golang.org/x/sys/plan9/asm_plan9_arm.s +++ /dev/null @@ -1,25 +0,0 @@ -// Copyright 2009 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. - -#include "textflag.h" - -// System call support for plan9 on arm - -// Just jump to package syscall's implementation for all these functions. -// The runtime may know about them. - -TEXT ·Syscall(SB),NOSPLIT,$0-32 - JMP syscall·Syscall(SB) - -TEXT ·Syscall6(SB),NOSPLIT,$0-44 - JMP syscall·Syscall6(SB) - -TEXT ·RawSyscall(SB),NOSPLIT,$0-28 - JMP syscall·RawSyscall(SB) - -TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 - JMP syscall·RawSyscall6(SB) - -TEXT ·seek(SB),NOSPLIT,$0-36 - JMP syscall·exit(SB) diff --git a/vendor/golang.org/x/sys/plan9/const_plan9.go b/vendor/golang.org/x/sys/plan9/const_plan9.go deleted file mode 100644 index b4e85a3a..00000000 --- a/vendor/golang.org/x/sys/plan9/const_plan9.go +++ /dev/null @@ -1,70 +0,0 @@ -package plan9 - -// Plan 9 Constants - -// Open modes -const ( - O_RDONLY = 0 - O_WRONLY = 1 - O_RDWR = 2 - O_TRUNC = 16 - O_CLOEXEC = 32 - O_EXCL = 0x1000 -) - -// Rfork flags -const ( - RFNAMEG = 1 << 0 - RFENVG = 1 << 1 - RFFDG = 1 << 2 - RFNOTEG = 1 << 3 - RFPROC = 1 << 4 - RFMEM = 1 << 5 - RFNOWAIT = 1 << 6 - RFCNAMEG = 1 << 10 - RFCENVG = 1 << 11 - RFCFDG = 1 << 12 - RFREND = 1 << 13 - RFNOMNT = 1 << 14 -) - -// Qid.Type bits -const ( - QTDIR = 0x80 - QTAPPEND = 0x40 - QTEXCL = 0x20 - QTMOUNT = 0x10 - QTAUTH = 0x08 - QTTMP = 0x04 - QTFILE = 0x00 -) - -// Dir.Mode bits -const ( - DMDIR = 0x80000000 - DMAPPEND = 0x40000000 - DMEXCL = 0x20000000 - DMMOUNT = 0x10000000 - DMAUTH = 0x08000000 - DMTMP = 0x04000000 - DMREAD = 0x4 - DMWRITE = 0x2 - DMEXEC = 0x1 -) - -const ( - STATMAX = 65535 - ERRMAX = 128 - STATFIXLEN = 49 -) - -// Mount and bind flags -const ( - MREPL = 0x0000 - MBEFORE = 0x0001 - MAFTER = 0x0002 - MORDER = 0x0003 - MCREATE = 0x0004 - MCACHE = 0x0010 - MMASK = 0x0017 -) diff --git a/vendor/golang.org/x/sys/plan9/dir_plan9.go b/vendor/golang.org/x/sys/plan9/dir_plan9.go deleted file mode 100644 index 0955e0c5..00000000 --- a/vendor/golang.org/x/sys/plan9/dir_plan9.go +++ /dev/null @@ -1,212 +0,0 @@ -// Copyright 2012 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. - -// Plan 9 directory marshalling. See intro(5). - -package plan9 - -import "errors" - -var ( - ErrShortStat = errors.New("stat buffer too short") - ErrBadStat = errors.New("malformed stat buffer") - ErrBadName = errors.New("bad character in file name") -) - -// A Qid represents a 9P server's unique identification for a file. -type Qid struct { - Path uint64 // the file server's unique identification for the file - Vers uint32 // version number for given Path - Type uint8 // the type of the file (plan9.QTDIR for example) -} - -// A Dir contains the metadata for a file. -type Dir struct { - // system-modified data - Type uint16 // server type - Dev uint32 // server subtype - - // file data - Qid Qid // unique id from server - Mode uint32 // permissions - Atime uint32 // last read time - Mtime uint32 // last write time - Length int64 // file length - Name string // last element of path - Uid string // owner name - Gid string // group name - Muid string // last modifier name -} - -var nullDir = Dir{ - Type: ^uint16(0), - Dev: ^uint32(0), - Qid: Qid{ - Path: ^uint64(0), - Vers: ^uint32(0), - Type: ^uint8(0), - }, - Mode: ^uint32(0), - Atime: ^uint32(0), - Mtime: ^uint32(0), - Length: ^int64(0), -} - -// Null assigns special "don't touch" values to members of d to -// avoid modifying them during plan9.Wstat. -func (d *Dir) Null() { *d = nullDir } - -// Marshal encodes a 9P stat message corresponding to d into b -// -// If there isn't enough space in b for a stat message, ErrShortStat is returned. -func (d *Dir) Marshal(b []byte) (n int, err error) { - n = STATFIXLEN + len(d.Name) + len(d.Uid) + len(d.Gid) + len(d.Muid) - if n > len(b) { - return n, ErrShortStat - } - - for _, c := range d.Name { - if c == '/' { - return n, ErrBadName - } - } - - b = pbit16(b, uint16(n)-2) - b = pbit16(b, d.Type) - b = pbit32(b, d.Dev) - b = pbit8(b, d.Qid.Type) - b = pbit32(b, d.Qid.Vers) - b = pbit64(b, d.Qid.Path) - b = pbit32(b, d.Mode) - b = pbit32(b, d.Atime) - b = pbit32(b, d.Mtime) - b = pbit64(b, uint64(d.Length)) - b = pstring(b, d.Name) - b = pstring(b, d.Uid) - b = pstring(b, d.Gid) - b = pstring(b, d.Muid) - - return n, nil -} - -// UnmarshalDir decodes a single 9P stat message from b and returns the resulting Dir. -// -// If b is too small to hold a valid stat message, ErrShortStat is returned. -// -// If the stat message itself is invalid, ErrBadStat is returned. -func UnmarshalDir(b []byte) (*Dir, error) { - if len(b) < STATFIXLEN { - return nil, ErrShortStat - } - size, buf := gbit16(b) - if len(b) != int(size)+2 { - return nil, ErrBadStat - } - b = buf - - var d Dir - d.Type, b = gbit16(b) - d.Dev, b = gbit32(b) - d.Qid.Type, b = gbit8(b) - d.Qid.Vers, b = gbit32(b) - d.Qid.Path, b = gbit64(b) - d.Mode, b = gbit32(b) - d.Atime, b = gbit32(b) - d.Mtime, b = gbit32(b) - - n, b := gbit64(b) - d.Length = int64(n) - - var ok bool - if d.Name, b, ok = gstring(b); !ok { - return nil, ErrBadStat - } - if d.Uid, b, ok = gstring(b); !ok { - return nil, ErrBadStat - } - if d.Gid, b, ok = gstring(b); !ok { - return nil, ErrBadStat - } - if d.Muid, b, ok = gstring(b); !ok { - return nil, ErrBadStat - } - - return &d, nil -} - -// pbit8 copies the 8-bit number v to b and returns the remaining slice of b. -func pbit8(b []byte, v uint8) []byte { - b[0] = byte(v) - return b[1:] -} - -// pbit16 copies the 16-bit number v to b in little-endian order and returns the remaining slice of b. -func pbit16(b []byte, v uint16) []byte { - b[0] = byte(v) - b[1] = byte(v >> 8) - return b[2:] -} - -// pbit32 copies the 32-bit number v to b in little-endian order and returns the remaining slice of b. -func pbit32(b []byte, v uint32) []byte { - b[0] = byte(v) - b[1] = byte(v >> 8) - b[2] = byte(v >> 16) - b[3] = byte(v >> 24) - return b[4:] -} - -// pbit64 copies the 64-bit number v to b in little-endian order and returns the remaining slice of b. -func pbit64(b []byte, v uint64) []byte { - b[0] = byte(v) - b[1] = byte(v >> 8) - b[2] = byte(v >> 16) - b[3] = byte(v >> 24) - b[4] = byte(v >> 32) - b[5] = byte(v >> 40) - b[6] = byte(v >> 48) - b[7] = byte(v >> 56) - return b[8:] -} - -// pstring copies the string s to b, prepending it with a 16-bit length in little-endian order, and -// returning the remaining slice of b.. -func pstring(b []byte, s string) []byte { - b = pbit16(b, uint16(len(s))) - n := copy(b, s) - return b[n:] -} - -// gbit8 reads an 8-bit number from b and returns it with the remaining slice of b. -func gbit8(b []byte) (uint8, []byte) { - return uint8(b[0]), b[1:] -} - -// gbit16 reads a 16-bit number in little-endian order from b and returns it with the remaining slice of b. -func gbit16(b []byte) (uint16, []byte) { - return uint16(b[0]) | uint16(b[1])<<8, b[2:] -} - -// gbit32 reads a 32-bit number in little-endian order from b and returns it with the remaining slice of b. -func gbit32(b []byte) (uint32, []byte) { - return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24, b[4:] -} - -// gbit64 reads a 64-bit number in little-endian order from b and returns it with the remaining slice of b. -func gbit64(b []byte) (uint64, []byte) { - lo := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 - hi := uint32(b[4]) | uint32(b[5])<<8 | uint32(b[6])<<16 | uint32(b[7])<<24 - return uint64(lo) | uint64(hi)<<32, b[8:] -} - -// gstring reads a string from b, prefixed with a 16-bit length in little-endian order. -// It returns the string with the remaining slice of b and a boolean. If the length is -// greater than the number of bytes in b, the boolean will be false. -func gstring(b []byte) (string, []byte, bool) { - n, b := gbit16(b) - if int(n) > len(b) { - return "", b, false - } - return string(b[:n]), b[n:], true -} diff --git a/vendor/golang.org/x/sys/plan9/env_plan9.go b/vendor/golang.org/x/sys/plan9/env_plan9.go deleted file mode 100644 index 8f191800..00000000 --- a/vendor/golang.org/x/sys/plan9/env_plan9.go +++ /dev/null @@ -1,31 +0,0 @@ -// Copyright 2011 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. - -// Plan 9 environment variables. - -package plan9 - -import ( - "syscall" -) - -func Getenv(key string) (value string, found bool) { - return syscall.Getenv(key) -} - -func Setenv(key, value string) error { - return syscall.Setenv(key, value) -} - -func Clearenv() { - syscall.Clearenv() -} - -func Environ() []string { - return syscall.Environ() -} - -func Unsetenv(key string) error { - return syscall.Unsetenv(key) -} diff --git a/vendor/golang.org/x/sys/plan9/errors_plan9.go b/vendor/golang.org/x/sys/plan9/errors_plan9.go deleted file mode 100644 index 65fe74d3..00000000 --- a/vendor/golang.org/x/sys/plan9/errors_plan9.go +++ /dev/null @@ -1,50 +0,0 @@ -// Copyright 2011 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 plan9 - -import "syscall" - -// Constants -const ( - // Invented values to support what package os expects. - O_CREAT = 0x02000 - O_APPEND = 0x00400 - O_NOCTTY = 0x00000 - O_NONBLOCK = 0x00000 - O_SYNC = 0x00000 - O_ASYNC = 0x00000 - - S_IFMT = 0x1f000 - S_IFIFO = 0x1000 - S_IFCHR = 0x2000 - S_IFDIR = 0x4000 - S_IFBLK = 0x6000 - S_IFREG = 0x8000 - S_IFLNK = 0xa000 - S_IFSOCK = 0xc000 -) - -// Errors -var ( - EINVAL = syscall.NewError("bad arg in system call") - ENOTDIR = syscall.NewError("not a directory") - EISDIR = syscall.NewError("file is a directory") - ENOENT = syscall.NewError("file does not exist") - EEXIST = syscall.NewError("file already exists") - EMFILE = syscall.NewError("no free file descriptors") - EIO = syscall.NewError("i/o error") - ENAMETOOLONG = syscall.NewError("file name too long") - EINTR = syscall.NewError("interrupted") - EPERM = syscall.NewError("permission denied") - EBUSY = syscall.NewError("no free devices") - ETIMEDOUT = syscall.NewError("connection timed out") - EPLAN9 = syscall.NewError("not supported by plan 9") - - // The following errors do not correspond to any - // Plan 9 system messages. Invented to support - // what package os and others expect. - EACCES = syscall.NewError("access permission denied") - EAFNOSUPPORT = syscall.NewError("address family not supported by protocol") -) diff --git a/vendor/golang.org/x/sys/plan9/mkall.sh b/vendor/golang.org/x/sys/plan9/mkall.sh deleted file mode 100644 index 1650fbcc..00000000 --- a/vendor/golang.org/x/sys/plan9/mkall.sh +++ /dev/null @@ -1,150 +0,0 @@ -#!/usr/bin/env bash -# Copyright 2009 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. - -# The plan9 package provides access to the raw system call -# interface of the underlying operating system. Porting Go to -# a new architecture/operating system combination requires -# some manual effort, though there are tools that automate -# much of the process. The auto-generated files have names -# beginning with z. -# -# This script runs or (given -n) prints suggested commands to generate z files -# for the current system. Running those commands is not automatic. -# This script is documentation more than anything else. -# -# * asm_${GOOS}_${GOARCH}.s -# -# This hand-written assembly file implements system call dispatch. -# There are three entry points: -# -# func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr); -# func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); -# func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr); -# -# The first and second are the standard ones; they differ only in -# how many arguments can be passed to the kernel. -# The third is for low-level use by the ForkExec wrapper; -# unlike the first two, it does not call into the scheduler to -# let it know that a system call is running. -# -# * syscall_${GOOS}.go -# -# This hand-written Go file implements system calls that need -# special handling and lists "//sys" comments giving prototypes -# for ones that can be auto-generated. Mksyscall reads those -# comments to generate the stubs. -# -# * syscall_${GOOS}_${GOARCH}.go -# -# Same as syscall_${GOOS}.go except that it contains code specific -# to ${GOOS} on one particular architecture. -# -# * types_${GOOS}.c -# -# This hand-written C file includes standard C headers and then -# creates typedef or enum names beginning with a dollar sign -# (use of $ in variable names is a gcc extension). The hardest -# part about preparing this file is figuring out which headers to -# include and which symbols need to be #defined to get the -# actual data structures that pass through to the kernel system calls. -# Some C libraries present alternate versions for binary compatibility -# and translate them on the way in and out of system calls, but -# there is almost always a #define that can get the real ones. -# See types_darwin.c and types_linux.c for examples. -# -# * zerror_${GOOS}_${GOARCH}.go -# -# This machine-generated file defines the system's error numbers, -# error strings, and signal numbers. The generator is "mkerrors.sh". -# Usually no arguments are needed, but mkerrors.sh will pass its -# arguments on to godefs. -# -# * zsyscall_${GOOS}_${GOARCH}.go -# -# Generated by mksyscall.pl; see syscall_${GOOS}.go above. -# -# * zsysnum_${GOOS}_${GOARCH}.go -# -# Generated by mksysnum_${GOOS}. -# -# * ztypes_${GOOS}_${GOARCH}.go -# -# Generated by godefs; see types_${GOOS}.c above. - -GOOSARCH="${GOOS}_${GOARCH}" - -# defaults -mksyscall="go run mksyscall.go" -mkerrors="./mkerrors.sh" -zerrors="zerrors_$GOOSARCH.go" -mksysctl="" -zsysctl="zsysctl_$GOOSARCH.go" -mksysnum= -mktypes= -run="sh" - -case "$1" in --syscalls) - for i in zsyscall*go - do - sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i - rm _$i - done - exit 0 - ;; --n) - run="cat" - shift -esac - -case "$#" in -0) - ;; -*) - echo 'usage: mkall.sh [-n]' 1>&2 - exit 2 -esac - -case "$GOOSARCH" in -_* | *_ | _) - echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2 - exit 1 - ;; -plan9_386) - mkerrors= - mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,386" - mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h" - mktypes="XXX" - ;; -plan9_amd64) - mkerrors= - mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,amd64" - mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h" - mktypes="XXX" - ;; -plan9_arm) - mkerrors= - mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,arm" - mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h" - mktypes="XXX" - ;; -*) - echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2 - exit 1 - ;; -esac - -( - if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi - case "$GOOS" in - plan9) - syscall_goos="syscall_$GOOS.go" - if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos |gofmt >zsyscall_$GOOSARCH.go"; fi - ;; - esac - if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi - if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi - if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go |gofmt >ztypes_$GOOSARCH.go"; fi -) | $run diff --git a/vendor/golang.org/x/sys/plan9/mkerrors.sh b/vendor/golang.org/x/sys/plan9/mkerrors.sh deleted file mode 100644 index 85309c4a..00000000 --- a/vendor/golang.org/x/sys/plan9/mkerrors.sh +++ /dev/null @@ -1,246 +0,0 @@ -#!/usr/bin/env bash -# Copyright 2009 The Go Authors. All rights reserved. -# Use of this source code is governed by a BSD-style -# license that can be found in the LICENSE file. - -# Generate Go code listing errors and other #defined constant -# values (ENAMETOOLONG etc.), by asking the preprocessor -# about the definitions. - -unset LANG -export LC_ALL=C -export LC_CTYPE=C - -CC=${CC:-gcc} - -uname=$(uname) - -includes=' -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -' - -ccflags="$@" - -# Write go tool cgo -godefs input. -( - echo package plan9 - echo - echo '/*' - indirect="includes_$(uname)" - echo "${!indirect} $includes" - echo '*/' - echo 'import "C"' - echo - echo 'const (' - - # The gcc command line prints all the #defines - # it encounters while processing the input - echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags | - awk ' - $1 != "#define" || $2 ~ /\(/ || $3 == "" {next} - - $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers - $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next} - $2 ~ /^(SCM_SRCRT)$/ {next} - $2 ~ /^(MAP_FAILED)$/ {next} - - $2 !~ /^ETH_/ && - $2 !~ /^EPROC_/ && - $2 !~ /^EQUIV_/ && - $2 !~ /^EXPR_/ && - $2 ~ /^E[A-Z0-9_]+$/ || - $2 ~ /^B[0-9_]+$/ || - $2 ~ /^V[A-Z0-9]+$/ || - $2 ~ /^CS[A-Z0-9]/ || - $2 ~ /^I(SIG|CANON|CRNL|EXTEN|MAXBEL|STRIP|UTF8)$/ || - $2 ~ /^IGN/ || - $2 ~ /^IX(ON|ANY|OFF)$/ || - $2 ~ /^IN(LCR|PCK)$/ || - $2 ~ /(^FLU?SH)|(FLU?SH$)/ || - $2 ~ /^C(LOCAL|READ)$/ || - $2 == "BRKINT" || - $2 == "HUPCL" || - $2 == "PENDIN" || - $2 == "TOSTOP" || - $2 ~ /^PAR/ || - $2 ~ /^SIG[^_]/ || - $2 ~ /^O[CNPFP][A-Z]+[^_][A-Z]+$/ || - $2 ~ /^IN_/ || - $2 ~ /^LOCK_(SH|EX|NB|UN)$/ || - $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ || - $2 == "ICMPV6_FILTER" || - $2 == "SOMAXCONN" || - $2 == "NAME_MAX" || - $2 == "IFNAMSIZ" || - $2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ || - $2 ~ /^SYSCTL_VERS/ || - $2 ~ /^(MS|MNT)_/ || - $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ || - $2 ~ /^(O|F|FD|NAME|S|PTRACE|PT)_/ || - $2 ~ /^LINUX_REBOOT_CMD_/ || - $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ || - $2 !~ "NLA_TYPE_MASK" && - $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P)_/ || - $2 ~ /^SIOC/ || - $2 ~ /^TIOC/ || - $2 !~ "RTF_BITS" && - $2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ || - $2 ~ /^BIOC/ || - $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ || - $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|NOFILE|STACK)|RLIM_INFINITY/ || - $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ || - $2 ~ /^CLONE_[A-Z_]+/ || - $2 !~ /^(BPF_TIMEVAL)$/ && - $2 ~ /^(BPF|DLT)_/ || - $2 !~ "WMESGLEN" && - $2 ~ /^W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", $2, $2)} - $2 ~ /^__WCOREFLAG$/ {next} - $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)} - - {next} - ' | sort - - echo ')' -) >_const.go - -# Pull out the error names for later. -errors=$( - echo '#include ' | $CC -x c - -E -dM $ccflags | - awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' | - sort -) - -# Pull out the signal names for later. -signals=$( - echo '#include ' | $CC -x c - -E -dM $ccflags | - awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' | - egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' | - sort -) - -# Again, writing regexps to a file. -echo '#include ' | $CC -x c - -E -dM $ccflags | - awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' | - sort >_error.grep -echo '#include ' | $CC -x c - -E -dM $ccflags | - awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' | - egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' | - sort >_signal.grep - -echo '// mkerrors.sh' "$@" -echo '// Code generated by the command above; DO NOT EDIT.' -echo -go tool cgo -godefs -- "$@" _const.go >_error.out -cat _error.out | grep -vf _error.grep | grep -vf _signal.grep -echo -echo '// Errors' -echo 'const (' -cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= Errno(\1)/' -echo ')' - -echo -echo '// Signals' -echo 'const (' -cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= Signal(\1)/' -echo ')' - -# Run C program to print error and syscall strings. -( - echo -E " -#include -#include -#include -#include -#include -#include - -#define nelem(x) (sizeof(x)/sizeof((x)[0])) - -enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below - -int errors[] = { -" - for i in $errors - do - echo -E ' '$i, - done - - echo -E " -}; - -int signals[] = { -" - for i in $signals - do - echo -E ' '$i, - done - - # Use -E because on some systems bash builtin interprets \n itself. - echo -E ' -}; - -static int -intcmp(const void *a, const void *b) -{ - return *(int*)a - *(int*)b; -} - -int -main(void) -{ - int i, j, e; - char buf[1024], *p; - - printf("\n\n// Error table\n"); - printf("var errors = [...]string {\n"); - qsort(errors, nelem(errors), sizeof errors[0], intcmp); - for(i=0; i 0 && errors[i-1] == e) - continue; - strcpy(buf, strerror(e)); - // lowercase first letter: Bad -> bad, but STREAM -> STREAM. - if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) - buf[0] += a - A; - printf("\t%d: \"%s\",\n", e, buf); - } - printf("}\n\n"); - - printf("\n\n// Signal table\n"); - printf("var signals = [...]string {\n"); - qsort(signals, nelem(signals), sizeof signals[0], intcmp); - for(i=0; i 0 && signals[i-1] == e) - continue; - strcpy(buf, strsignal(e)); - // lowercase first letter: Bad -> bad, but STREAM -> STREAM. - if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) - buf[0] += a - A; - // cut trailing : number. - p = strrchr(buf, ":"[0]); - if(p) - *p = '\0'; - printf("\t%d: \"%s\",\n", e, buf); - } - printf("}\n\n"); - - return 0; -} - -' -) >_errors.c - -$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out diff --git a/vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh b/vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh deleted file mode 100644 index 3c3ab058..00000000 --- a/vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh +++ /dev/null @@ -1,23 +0,0 @@ -#!/bin/sh -# Copyright 2009 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. - -COMMAND="mksysnum_plan9.sh $@" - -cat <= 10 { - buf[i] = byte(val%10 + '0') - i-- - val /= 10 - } - buf[i] = byte(val + '0') - return string(buf[i:]) -} diff --git a/vendor/golang.org/x/sys/plan9/syscall.go b/vendor/golang.org/x/sys/plan9/syscall.go deleted file mode 100644 index 602473cb..00000000 --- a/vendor/golang.org/x/sys/plan9/syscall.go +++ /dev/null @@ -1,117 +0,0 @@ -// Copyright 2009 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 plan9 -// +build plan9 - -// Package plan9 contains an interface to the low-level operating system -// primitives. OS details vary depending on the underlying system, and -// by default, godoc will display the OS-specific documentation for the current -// system. If you want godoc to display documentation for another -// system, set $GOOS and $GOARCH to the desired system. For example, if -// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS -// to freebsd and $GOARCH to arm. -// -// The primary use of this package is inside other packages that provide a more -// portable interface to the system, such as "os", "time" and "net". Use -// those packages rather than this one if you can. -// -// For details of the functions and data types in this package consult -// the manuals for the appropriate operating system. -// -// These calls return err == nil to indicate success; otherwise -// err represents an operating system error describing the failure and -// holds a value of type syscall.ErrorString. -package plan9 // import "golang.org/x/sys/plan9" - -import ( - "bytes" - "strings" - "unsafe" - - "golang.org/x/sys/internal/unsafeheader" -) - -// ByteSliceFromString returns a NUL-terminated slice of bytes -// containing the text of s. If s contains a NUL byte at any -// location, it returns (nil, EINVAL). -func ByteSliceFromString(s string) ([]byte, error) { - if strings.IndexByte(s, 0) != -1 { - return nil, EINVAL - } - a := make([]byte, len(s)+1) - copy(a, s) - return a, nil -} - -// BytePtrFromString returns a pointer to a NUL-terminated array of -// bytes containing the text of s. If s contains a NUL byte at any -// location, it returns (nil, EINVAL). -func BytePtrFromString(s string) (*byte, error) { - a, err := ByteSliceFromString(s) - if err != nil { - return nil, err - } - return &a[0], nil -} - -// ByteSliceToString returns a string form of the text represented by the slice s, with a terminating NUL and any -// bytes after the NUL removed. -func ByteSliceToString(s []byte) string { - if i := bytes.IndexByte(s, 0); i != -1 { - s = s[:i] - } - return string(s) -} - -// BytePtrToString takes a pointer to a sequence of text and returns the corresponding string. -// If the pointer is nil, it returns the empty string. It assumes that the text sequence is terminated -// at a zero byte; if the zero byte is not present, the program may crash. -func BytePtrToString(p *byte) string { - if p == nil { - return "" - } - if *p == 0 { - return "" - } - - // Find NUL terminator. - n := 0 - for ptr := unsafe.Pointer(p); *(*byte)(ptr) != 0; n++ { - ptr = unsafe.Pointer(uintptr(ptr) + 1) - } - - var s []byte - h := (*unsafeheader.Slice)(unsafe.Pointer(&s)) - h.Data = unsafe.Pointer(p) - h.Len = n - h.Cap = n - - return string(s) -} - -// Single-word zero for use when we need a valid pointer to 0 bytes. -// See mksyscall.pl. -var _zero uintptr - -func (ts *Timespec) Unix() (sec int64, nsec int64) { - return int64(ts.Sec), int64(ts.Nsec) -} - -func (tv *Timeval) Unix() (sec int64, nsec int64) { - return int64(tv.Sec), int64(tv.Usec) * 1000 -} - -func (ts *Timespec) Nano() int64 { - return int64(ts.Sec)*1e9 + int64(ts.Nsec) -} - -func (tv *Timeval) Nano() int64 { - return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000 -} - -// use is a no-op, but the compiler cannot see that it is. -// Calling use(p) ensures that p is kept live until that point. -//go:noescape -func use(p unsafe.Pointer) diff --git a/vendor/golang.org/x/sys/plan9/syscall_plan9.go b/vendor/golang.org/x/sys/plan9/syscall_plan9.go deleted file mode 100644 index 723b1f40..00000000 --- a/vendor/golang.org/x/sys/plan9/syscall_plan9.go +++ /dev/null @@ -1,351 +0,0 @@ -// Copyright 2011 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. - -// Plan 9 system calls. -// This file is compiled as ordinary Go code, -// but it is also input to mksyscall, -// which parses the //sys lines and generates system call stubs. -// Note that sometimes we use a lowercase //sys name and -// wrap it in our own nicer implementation. - -package plan9 - -import ( - "bytes" - "syscall" - "unsafe" -) - -// A Note is a string describing a process note. -// It implements the os.Signal interface. -type Note string - -func (n Note) Signal() {} - -func (n Note) String() string { - return string(n) -} - -var ( - Stdin = 0 - Stdout = 1 - Stderr = 2 -) - -// For testing: clients can set this flag to force -// creation of IPv6 sockets to return EAFNOSUPPORT. -var SocketDisableIPv6 bool - -func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.ErrorString) -func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.ErrorString) -func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) -func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) - -func atoi(b []byte) (n uint) { - n = 0 - for i := 0; i < len(b); i++ { - n = n*10 + uint(b[i]-'0') - } - return -} - -func cstring(s []byte) string { - i := bytes.IndexByte(s, 0) - if i == -1 { - i = len(s) - } - return string(s[:i]) -} - -func errstr() string { - var buf [ERRMAX]byte - - RawSyscall(SYS_ERRSTR, uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)), 0) - - buf[len(buf)-1] = 0 - return cstring(buf[:]) -} - -// Implemented in assembly to import from runtime. -func exit(code int) - -func Exit(code int) { exit(code) } - -func readnum(path string) (uint, error) { - var b [12]byte - - fd, e := Open(path, O_RDONLY) - if e != nil { - return 0, e - } - defer Close(fd) - - n, e := Pread(fd, b[:], 0) - - if e != nil { - return 0, e - } - - m := 0 - for ; m < n && b[m] == ' '; m++ { - } - - return atoi(b[m : n-1]), nil -} - -func Getpid() (pid int) { - n, _ := readnum("#c/pid") - return int(n) -} - -func Getppid() (ppid int) { - n, _ := readnum("#c/ppid") - return int(n) -} - -func Read(fd int, p []byte) (n int, err error) { - return Pread(fd, p, -1) -} - -func Write(fd int, p []byte) (n int, err error) { - return Pwrite(fd, p, -1) -} - -var ioSync int64 - -//sys fd2path(fd int, buf []byte) (err error) -func Fd2path(fd int) (path string, err error) { - var buf [512]byte - - e := fd2path(fd, buf[:]) - if e != nil { - return "", e - } - return cstring(buf[:]), nil -} - -//sys pipe(p *[2]int32) (err error) -func Pipe(p []int) (err error) { - if len(p) != 2 { - return syscall.ErrorString("bad arg in system call") - } - var pp [2]int32 - err = pipe(&pp) - if err == nil { - p[0] = int(pp[0]) - p[1] = int(pp[1]) - } - return -} - -// Underlying system call writes to newoffset via pointer. -// Implemented in assembly to avoid allocation. -func seek(placeholder uintptr, fd int, offset int64, whence int) (newoffset int64, err string) - -func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { - newoffset, e := seek(0, fd, offset, whence) - - if newoffset == -1 { - err = syscall.ErrorString(e) - } - return -} - -func Mkdir(path string, mode uint32) (err error) { - fd, err := Create(path, O_RDONLY, DMDIR|mode) - - if fd != -1 { - Close(fd) - } - - return -} - -type Waitmsg struct { - Pid int - Time [3]uint32 - Msg string -} - -func (w Waitmsg) Exited() bool { return true } -func (w Waitmsg) Signaled() bool { return false } - -func (w Waitmsg) ExitStatus() int { - if len(w.Msg) == 0 { - // a normal exit returns no message - return 0 - } - return 1 -} - -//sys await(s []byte) (n int, err error) -func Await(w *Waitmsg) (err error) { - var buf [512]byte - var f [5][]byte - - n, err := await(buf[:]) - - if err != nil || w == nil { - return - } - - nf := 0 - p := 0 - for i := 0; i < n && nf < len(f)-1; i++ { - if buf[i] == ' ' { - f[nf] = buf[p:i] - p = i + 1 - nf++ - } - } - f[nf] = buf[p:] - nf++ - - if nf != len(f) { - return syscall.ErrorString("invalid wait message") - } - w.Pid = int(atoi(f[0])) - w.Time[0] = uint32(atoi(f[1])) - w.Time[1] = uint32(atoi(f[2])) - w.Time[2] = uint32(atoi(f[3])) - w.Msg = cstring(f[4]) - if w.Msg == "''" { - // await() returns '' for no error - w.Msg = "" - } - return -} - -func Unmount(name, old string) (err error) { - fixwd() - oldp, err := BytePtrFromString(old) - if err != nil { - return err - } - oldptr := uintptr(unsafe.Pointer(oldp)) - - var r0 uintptr - var e syscall.ErrorString - - // bind(2) man page: If name is zero, everything bound or mounted upon old is unbound or unmounted. - if name == "" { - r0, _, e = Syscall(SYS_UNMOUNT, _zero, oldptr, 0) - } else { - namep, err := BytePtrFromString(name) - if err != nil { - return err - } - r0, _, e = Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(namep)), oldptr, 0) - } - - if int32(r0) == -1 { - err = e - } - return -} - -func Fchdir(fd int) (err error) { - path, err := Fd2path(fd) - - if err != nil { - return - } - - return Chdir(path) -} - -type Timespec struct { - Sec int32 - Nsec int32 -} - -type Timeval struct { - Sec int32 - Usec int32 -} - -func NsecToTimeval(nsec int64) (tv Timeval) { - nsec += 999 // round up to microsecond - tv.Usec = int32(nsec % 1e9 / 1e3) - tv.Sec = int32(nsec / 1e9) - return -} - -func nsec() int64 { - var scratch int64 - - r0, _, _ := Syscall(SYS_NSEC, uintptr(unsafe.Pointer(&scratch)), 0, 0) - // TODO(aram): remove hack after I fix _nsec in the pc64 kernel. - if r0 == 0 { - return scratch - } - return int64(r0) -} - -func Gettimeofday(tv *Timeval) error { - nsec := nsec() - *tv = NsecToTimeval(nsec) - return nil -} - -func Getpagesize() int { return 0x1000 } - -func Getegid() (egid int) { return -1 } -func Geteuid() (euid int) { return -1 } -func Getgid() (gid int) { return -1 } -func Getuid() (uid int) { return -1 } - -func Getgroups() (gids []int, err error) { - return make([]int, 0), nil -} - -//sys open(path string, mode int) (fd int, err error) -func Open(path string, mode int) (fd int, err error) { - fixwd() - return open(path, mode) -} - -//sys create(path string, mode int, perm uint32) (fd int, err error) -func Create(path string, mode int, perm uint32) (fd int, err error) { - fixwd() - return create(path, mode, perm) -} - -//sys remove(path string) (err error) -func Remove(path string) error { - fixwd() - return remove(path) -} - -//sys stat(path string, edir []byte) (n int, err error) -func Stat(path string, edir []byte) (n int, err error) { - fixwd() - return stat(path, edir) -} - -//sys bind(name string, old string, flag int) (err error) -func Bind(name string, old string, flag int) (err error) { - fixwd() - return bind(name, old, flag) -} - -//sys mount(fd int, afd int, old string, flag int, aname string) (err error) -func Mount(fd int, afd int, old string, flag int, aname string) (err error) { - fixwd() - return mount(fd, afd, old, flag, aname) -} - -//sys wstat(path string, edir []byte) (err error) -func Wstat(path string, edir []byte) (err error) { - fixwd() - return wstat(path, edir) -} - -//sys chdir(path string) (err error) -//sys Dup(oldfd int, newfd int) (fd int, err error) -//sys Pread(fd int, p []byte, offset int64) (n int, err error) -//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) -//sys Close(fd int) (err error) -//sys Fstat(fd int, edir []byte) (n int, err error) -//sys Fwstat(fd int, edir []byte) (err error) diff --git a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go deleted file mode 100644 index 3f40b9bd..00000000 --- a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go +++ /dev/null @@ -1,285 +0,0 @@ -// go run mksyscall.go -l32 -plan9 -tags plan9,386 syscall_plan9.go -// Code generated by the command above; see README.md. DO NOT EDIT. - -//go:build plan9 && 386 -// +build plan9,386 - -package plan9 - -import "unsafe" - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func fd2path(fd int, buf []byte) (err error) { - var _p0 unsafe.Pointer - if len(buf) > 0 { - _p0 = unsafe.Pointer(&buf[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf))) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func pipe(p *[2]int32) (err error) { - r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func await(s []byte) (n int, err error) { - var _p0 unsafe.Pointer - if len(s) > 0 { - _p0 = unsafe.Pointer(&s[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func open(path string, mode int) (fd int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func create(path string, mode int, perm uint32) (fd int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func remove(path string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func stat(path string, edir []byte) (n int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - var _p1 unsafe.Pointer - if len(edir) > 0 { - _p1 = unsafe.Pointer(&edir[0]) - } else { - _p1 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func bind(name string, old string, flag int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(name) - if err != nil { - return - } - var _p1 *byte - _p1, err = BytePtrFromString(old) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag)) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func mount(fd int, afd int, old string, flag int, aname string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(old) - if err != nil { - return - } - var _p1 *byte - _p1, err = BytePtrFromString(aname) - if err != nil { - return - } - r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func wstat(path string, edir []byte) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - var _p1 unsafe.Pointer - if len(edir) > 0 { - _p1 = unsafe.Pointer(&edir[0]) - } else { - _p1 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func chdir(path string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Dup(oldfd int, newfd int) (fd int, err error) { - r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Pread(fd int, p []byte, offset int64) (n int, err error) { - var _p0 unsafe.Pointer - if len(p) > 0 { - _p0 = unsafe.Pointer(&p[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Pwrite(fd int, p []byte, offset int64) (n int, err error) { - var _p0 unsafe.Pointer - if len(p) > 0 { - _p0 = unsafe.Pointer(&p[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Close(fd int) (err error) { - r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Fstat(fd int, edir []byte) (n int, err error) { - var _p0 unsafe.Pointer - if len(edir) > 0 { - _p0 = unsafe.Pointer(&edir[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Fwstat(fd int, edir []byte) (err error) { - var _p0 unsafe.Pointer - if len(edir) > 0 { - _p0 = unsafe.Pointer(&edir[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) - if int32(r0) == -1 { - err = e1 - } - return -} diff --git a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go deleted file mode 100644 index 0e6a96aa..00000000 --- a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go +++ /dev/null @@ -1,285 +0,0 @@ -// go run mksyscall.go -l32 -plan9 -tags plan9,amd64 syscall_plan9.go -// Code generated by the command above; see README.md. DO NOT EDIT. - -//go:build plan9 && amd64 -// +build plan9,amd64 - -package plan9 - -import "unsafe" - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func fd2path(fd int, buf []byte) (err error) { - var _p0 unsafe.Pointer - if len(buf) > 0 { - _p0 = unsafe.Pointer(&buf[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf))) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func pipe(p *[2]int32) (err error) { - r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func await(s []byte) (n int, err error) { - var _p0 unsafe.Pointer - if len(s) > 0 { - _p0 = unsafe.Pointer(&s[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func open(path string, mode int) (fd int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func create(path string, mode int, perm uint32) (fd int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func remove(path string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func stat(path string, edir []byte) (n int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - var _p1 unsafe.Pointer - if len(edir) > 0 { - _p1 = unsafe.Pointer(&edir[0]) - } else { - _p1 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func bind(name string, old string, flag int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(name) - if err != nil { - return - } - var _p1 *byte - _p1, err = BytePtrFromString(old) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag)) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func mount(fd int, afd int, old string, flag int, aname string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(old) - if err != nil { - return - } - var _p1 *byte - _p1, err = BytePtrFromString(aname) - if err != nil { - return - } - r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func wstat(path string, edir []byte) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - var _p1 unsafe.Pointer - if len(edir) > 0 { - _p1 = unsafe.Pointer(&edir[0]) - } else { - _p1 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func chdir(path string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Dup(oldfd int, newfd int) (fd int, err error) { - r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Pread(fd int, p []byte, offset int64) (n int, err error) { - var _p0 unsafe.Pointer - if len(p) > 0 { - _p0 = unsafe.Pointer(&p[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Pwrite(fd int, p []byte, offset int64) (n int, err error) { - var _p0 unsafe.Pointer - if len(p) > 0 { - _p0 = unsafe.Pointer(&p[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Close(fd int) (err error) { - r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Fstat(fd int, edir []byte) (n int, err error) { - var _p0 unsafe.Pointer - if len(edir) > 0 { - _p0 = unsafe.Pointer(&edir[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Fwstat(fd int, edir []byte) (err error) { - var _p0 unsafe.Pointer - if len(edir) > 0 { - _p0 = unsafe.Pointer(&edir[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) - if int32(r0) == -1 { - err = e1 - } - return -} diff --git a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go deleted file mode 100644 index 244c501b..00000000 --- a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go +++ /dev/null @@ -1,285 +0,0 @@ -// go run mksyscall.go -l32 -plan9 -tags plan9,arm syscall_plan9.go -// Code generated by the command above; see README.md. DO NOT EDIT. - -//go:build plan9 && arm -// +build plan9,arm - -package plan9 - -import "unsafe" - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func fd2path(fd int, buf []byte) (err error) { - var _p0 unsafe.Pointer - if len(buf) > 0 { - _p0 = unsafe.Pointer(&buf[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf))) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func pipe(p *[2]int32) (err error) { - r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func await(s []byte) (n int, err error) { - var _p0 unsafe.Pointer - if len(s) > 0 { - _p0 = unsafe.Pointer(&s[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func open(path string, mode int) (fd int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func create(path string, mode int, perm uint32) (fd int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func remove(path string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func stat(path string, edir []byte) (n int, err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - var _p1 unsafe.Pointer - if len(edir) > 0 { - _p1 = unsafe.Pointer(&edir[0]) - } else { - _p1 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func bind(name string, old string, flag int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(name) - if err != nil { - return - } - var _p1 *byte - _p1, err = BytePtrFromString(old) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag)) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func mount(fd int, afd int, old string, flag int, aname string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(old) - if err != nil { - return - } - var _p1 *byte - _p1, err = BytePtrFromString(aname) - if err != nil { - return - } - r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func wstat(path string, edir []byte) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - var _p1 unsafe.Pointer - if len(edir) > 0 { - _p1 = unsafe.Pointer(&edir[0]) - } else { - _p1 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func chdir(path string) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Dup(oldfd int, newfd int) (fd int, err error) { - r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0) - fd = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Pread(fd int, p []byte, offset int64) (n int, err error) { - var _p0 unsafe.Pointer - if len(p) > 0 { - _p0 = unsafe.Pointer(&p[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Pwrite(fd int, p []byte, offset int64) (n int, err error) { - var _p0 unsafe.Pointer - if len(p) > 0 { - _p0 = unsafe.Pointer(&p[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Close(fd int) (err error) { - r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Fstat(fd int, edir []byte) (n int, err error) { - var _p0 unsafe.Pointer - if len(edir) > 0 { - _p0 = unsafe.Pointer(&edir[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) - n = int(r0) - if int32(r0) == -1 { - err = e1 - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func Fwstat(fd int, edir []byte) (err error) { - var _p0 unsafe.Pointer - if len(edir) > 0 { - _p0 = unsafe.Pointer(&edir[0]) - } else { - _p0 = unsafe.Pointer(&_zero) - } - r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) - if int32(r0) == -1 { - err = e1 - } - return -} diff --git a/vendor/golang.org/x/sys/plan9/zsysnum_plan9.go b/vendor/golang.org/x/sys/plan9/zsysnum_plan9.go deleted file mode 100644 index 22e8abd4..00000000 --- a/vendor/golang.org/x/sys/plan9/zsysnum_plan9.go +++ /dev/null @@ -1,49 +0,0 @@ -// mksysnum_plan9.sh /opt/plan9/sys/src/libc/9syscall/sys.h -// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT - -package plan9 - -const ( - SYS_SYSR1 = 0 - SYS_BIND = 2 - SYS_CHDIR = 3 - SYS_CLOSE = 4 - SYS_DUP = 5 - SYS_ALARM = 6 - SYS_EXEC = 7 - SYS_EXITS = 8 - SYS_FAUTH = 10 - SYS_SEGBRK = 12 - SYS_OPEN = 14 - SYS_OSEEK = 16 - SYS_SLEEP = 17 - SYS_RFORK = 19 - SYS_PIPE = 21 - SYS_CREATE = 22 - SYS_FD2PATH = 23 - SYS_BRK_ = 24 - SYS_REMOVE = 25 - SYS_NOTIFY = 28 - SYS_NOTED = 29 - SYS_SEGATTACH = 30 - SYS_SEGDETACH = 31 - SYS_SEGFREE = 32 - SYS_SEGFLUSH = 33 - SYS_RENDEZVOUS = 34 - SYS_UNMOUNT = 35 - SYS_SEMACQUIRE = 37 - SYS_SEMRELEASE = 38 - SYS_SEEK = 39 - SYS_FVERSION = 40 - SYS_ERRSTR = 41 - SYS_STAT = 42 - SYS_FSTAT = 43 - SYS_WSTAT = 44 - SYS_FWSTAT = 45 - SYS_MOUNT = 46 - SYS_AWAIT = 47 - SYS_PREAD = 50 - SYS_PWRITE = 51 - SYS_TSEMACQUIRE = 52 - SYS_NSEC = 53 -) diff --git a/vendor/golang.org/x/term/AUTHORS b/vendor/golang.org/x/term/AUTHORS deleted file mode 100644 index 15167cd7..00000000 --- a/vendor/golang.org/x/term/AUTHORS +++ /dev/null @@ -1,3 +0,0 @@ -# This source code refers to The Go Authors for copyright purposes. -# The master list of authors is in the main Go distribution, -# visible at http://tip.golang.org/AUTHORS. diff --git a/vendor/golang.org/x/term/CONTRIBUTING.md b/vendor/golang.org/x/term/CONTRIBUTING.md deleted file mode 100644 index d0485e88..00000000 --- a/vendor/golang.org/x/term/CONTRIBUTING.md +++ /dev/null @@ -1,26 +0,0 @@ -# Contributing to Go - -Go is an open source project. - -It is the work of hundreds of contributors. We appreciate your help! - -## Filing issues - -When [filing an issue](https://golang.org/issue/new), make sure to answer these five questions: - -1. What version of Go are you using (`go version`)? -2. What operating system and processor architecture are you using? -3. What did you do? -4. What did you expect to see? -5. What did you see instead? - -General questions should go to the [golang-nuts mailing list](https://groups.google.com/group/golang-nuts) instead of the issue tracker. -The gophers there will answer or ask you to file an issue if you've tripped over a bug. - -## Contributing code - -Please read the [Contribution Guidelines](https://golang.org/doc/contribute.html) -before sending patches. - -Unless otherwise noted, the Go source files are distributed under -the BSD-style license found in the LICENSE file. diff --git a/vendor/golang.org/x/term/CONTRIBUTORS b/vendor/golang.org/x/term/CONTRIBUTORS deleted file mode 100644 index 1c4577e9..00000000 --- a/vendor/golang.org/x/term/CONTRIBUTORS +++ /dev/null @@ -1,3 +0,0 @@ -# This source code was written by the Go contributors. -# The master list of contributors is in the main Go distribution, -# visible at http://tip.golang.org/CONTRIBUTORS. diff --git a/vendor/golang.org/x/term/LICENSE b/vendor/golang.org/x/term/LICENSE deleted file mode 100644 index 6a66aea5..00000000 --- a/vendor/golang.org/x/term/LICENSE +++ /dev/null @@ -1,27 +0,0 @@ -Copyright (c) 2009 The Go Authors. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the following disclaimer -in the documentation and/or other materials provided with the -distribution. - * Neither the name of Google Inc. nor the names of its -contributors may be used to endorse or promote products derived from -this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/golang.org/x/term/PATENTS b/vendor/golang.org/x/term/PATENTS deleted file mode 100644 index 73309904..00000000 --- a/vendor/golang.org/x/term/PATENTS +++ /dev/null @@ -1,22 +0,0 @@ -Additional IP Rights Grant (Patents) - -"This implementation" means the copyrightable works distributed by -Google as part of the Go project. - -Google hereby grants to You a perpetual, worldwide, non-exclusive, -no-charge, royalty-free, irrevocable (except as stated in this section) -patent license to make, have made, use, offer to sell, sell, import, -transfer and otherwise run, modify and propagate the contents of this -implementation of Go, where such license applies only to those patent -claims, both currently owned or controlled by Google and acquired in -the future, licensable by Google that are necessarily infringed by this -implementation of Go. This grant does not include claims that would be -infringed only as a consequence of further modification of this -implementation. If you or your agent or exclusive licensee institute or -order or agree to the institution of patent litigation against any -entity (including a cross-claim or counterclaim in a lawsuit) alleging -that this implementation of Go or any code incorporated within this -implementation of Go constitutes direct or contributory patent -infringement, or inducement of patent infringement, then any patent -rights granted to you under this License for this implementation of Go -shall terminate as of the date such litigation is filed. diff --git a/vendor/golang.org/x/term/README.md b/vendor/golang.org/x/term/README.md deleted file mode 100644 index e0f390cb..00000000 --- a/vendor/golang.org/x/term/README.md +++ /dev/null @@ -1,17 +0,0 @@ -# Go terminal/console support - -This repository provides Go terminal and console support packages. - -## Download/Install - -The easiest way to install is to run `go get -u golang.org/x/term`. You can -also manually git clone the repository to `$GOPATH/src/golang.org/x/term`. - -## Report Issues / Send Patches - -This repository uses Gerrit for code changes. To learn how to submit changes to -this repository, see https://golang.org/doc/contribute.html. - -The main issue tracker for the term repository is located at -https://github.com/golang/go/issues. Prefix your issue with "x/term:" in the -subject line, so it is easy to find. diff --git a/vendor/golang.org/x/term/term_plan9.go b/vendor/golang.org/x/term/term_plan9.go deleted file mode 100644 index 21afa55c..00000000 --- a/vendor/golang.org/x/term/term_plan9.go +++ /dev/null @@ -1,42 +0,0 @@ -// 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 ( - "fmt" - "runtime" - - "golang.org/x/sys/plan9" -) - -type state struct{} - -func isTerminal(fd int) bool { - path, err := plan9.Fd2path(fd) - if err != nil { - return false - } - return path == "/dev/cons" || path == "/mnt/term/dev/cons" -} - -func makeRaw(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func getState(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func restore(fd int, state *State) error { - return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func getSize(fd int) (width, height int, err error) { - return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func readPassword(fd int) ([]byte, error) { - return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} diff --git a/vendor/golang.org/x/term/term_unix_linux.go b/vendor/golang.org/x/term/term_unix_linux.go deleted file mode 100644 index 2d5efd26..00000000 --- a/vendor/golang.org/x/term/term_unix_linux.go +++ /dev/null @@ -1,10 +0,0 @@ -// 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 "golang.org/x/sys/unix" - -const ioctlReadTermios = unix.TCGETS -const ioctlWriteTermios = unix.TCSETS diff --git a/vendor/golang.org/x/term/term_unsupported.go b/vendor/golang.org/x/term/term_unsupported.go deleted file mode 100644 index 8b5d1bad..00000000 --- a/vendor/golang.org/x/term/term_unsupported.go +++ /dev/null @@ -1,38 +0,0 @@ -// 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. - -// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!zos,!windows,!solaris,!plan9 - -package term - -import ( - "fmt" - "runtime" -) - -type state struct{} - -func isTerminal(fd int) bool { - return false -} - -func makeRaw(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func getState(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func restore(fd int, state *State) error { - return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func getSize(fd int) (width, height int, err error) { - return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -func readPassword(fd int) ([]byte, error) { - return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} diff --git a/vendor/golang.org/x/term/term_windows.go b/vendor/golang.org/x/term/term_windows.go deleted file mode 100644 index 465f5606..00000000 --- a/vendor/golang.org/x/term/term_windows.go +++ /dev/null @@ -1,79 +0,0 @@ -// 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 ( - "os" - - "golang.org/x/sys/windows" -) - -type state struct { - mode uint32 -} - -func isTerminal(fd int) bool { - var st uint32 - err := windows.GetConsoleMode(windows.Handle(fd), &st) - return err == nil -} - -func makeRaw(fd int) (*State, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - raw := st &^ (windows.ENABLE_ECHO_INPUT | windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) - if err := windows.SetConsoleMode(windows.Handle(fd), raw); err != nil { - return nil, err - } - return &State{state{st}}, nil -} - -func getState(fd int) (*State, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - return &State{state{st}}, nil -} - -func restore(fd int, state *State) error { - return windows.SetConsoleMode(windows.Handle(fd), state.mode) -} - -func getSize(fd int) (width, height int, err error) { - var info windows.ConsoleScreenBufferInfo - if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil { - return 0, 0, err - } - return int(info.Window.Right - info.Window.Left + 1), int(info.Window.Bottom - info.Window.Top + 1), nil -} - -func readPassword(fd int) ([]byte, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - old := st - - st &^= (windows.ENABLE_ECHO_INPUT | windows.ENABLE_LINE_INPUT) - st |= (windows.ENABLE_PROCESSED_OUTPUT | windows.ENABLE_PROCESSED_INPUT) - if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil { - return nil, err - } - - defer windows.SetConsoleMode(windows.Handle(fd), old) - - var h windows.Handle - p, _ := windows.GetCurrentProcess() - if err := windows.DuplicateHandle(p, windows.Handle(fd), p, &h, 0, false, windows.DUPLICATE_SAME_ACCESS); err != nil { - return nil, err - } - - f := os.NewFile(uintptr(h), "stdin") - defer f.Close() - return readPasswordLine(f) -} diff --git a/vendor/golang.org/x/term/terminal.go b/vendor/golang.org/x/term/terminal.go deleted file mode 100644 index 535ab825..00000000 --- a/vendor/golang.org/x/term/terminal.go +++ /dev/null @@ -1,987 +0,0 @@ -// Copyright 2011 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 ( - "bytes" - "io" - "runtime" - "strconv" - "sync" - "unicode/utf8" -) - -// EscapeCodes contains escape sequences that can be written to the terminal in -// order to achieve different styles of text. -type EscapeCodes struct { - // Foreground colors - Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte - - // Reset all attributes - Reset []byte -} - -var vt100EscapeCodes = EscapeCodes{ - Black: []byte{keyEscape, '[', '3', '0', 'm'}, - Red: []byte{keyEscape, '[', '3', '1', 'm'}, - Green: []byte{keyEscape, '[', '3', '2', 'm'}, - Yellow: []byte{keyEscape, '[', '3', '3', 'm'}, - Blue: []byte{keyEscape, '[', '3', '4', 'm'}, - Magenta: []byte{keyEscape, '[', '3', '5', 'm'}, - Cyan: []byte{keyEscape, '[', '3', '6', 'm'}, - White: []byte{keyEscape, '[', '3', '7', 'm'}, - - Reset: []byte{keyEscape, '[', '0', 'm'}, -} - -// Terminal contains the state for running a VT100 terminal that is capable of -// reading lines of input. -type Terminal struct { - // AutoCompleteCallback, if non-null, is called for each keypress with - // the full input line and the current position of the cursor (in - // bytes, as an index into |line|). If it returns ok=false, the key - // press is processed normally. Otherwise it returns a replacement line - // and the new cursor position. - AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool) - - // Escape contains a pointer to the escape codes for this terminal. - // It's always a valid pointer, although the escape codes themselves - // may be empty if the terminal doesn't support them. - Escape *EscapeCodes - - // lock protects the terminal and the state in this object from - // concurrent processing of a key press and a Write() call. - lock sync.Mutex - - c io.ReadWriter - prompt []rune - - // line is the current line being entered. - line []rune - // pos is the logical position of the cursor in line - pos int - // echo is true if local echo is enabled - echo bool - // pasteActive is true iff there is a bracketed paste operation in - // progress. - pasteActive bool - - // cursorX contains the current X value of the cursor where the left - // edge is 0. cursorY contains the row number where the first row of - // the current line is 0. - cursorX, cursorY int - // maxLine is the greatest value of cursorY so far. - maxLine int - - termWidth, termHeight int - - // outBuf contains the terminal data to be sent. - outBuf []byte - // remainder contains the remainder of any partial key sequences after - // a read. It aliases into inBuf. - remainder []byte - inBuf [256]byte - - // history contains previously entered commands so that they can be - // accessed with the up and down keys. - history stRingBuffer - // historyIndex stores the currently accessed history entry, where zero - // means the immediately previous entry. - historyIndex int - // When navigating up and down the history it's possible to return to - // the incomplete, initial line. That value is stored in - // historyPending. - historyPending string -} - -// NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is -// a local terminal, that terminal must first have been put into raw mode. -// prompt is a string that is written at the start of each input line (i.e. -// "> "). -func NewTerminal(c io.ReadWriter, prompt string) *Terminal { - return &Terminal{ - Escape: &vt100EscapeCodes, - c: c, - prompt: []rune(prompt), - termWidth: 80, - termHeight: 24, - echo: true, - historyIndex: -1, - } -} - -const ( - keyCtrlC = 3 - keyCtrlD = 4 - keyCtrlU = 21 - keyEnter = '\r' - keyEscape = 27 - keyBackspace = 127 - keyUnknown = 0xd800 /* UTF-16 surrogate area */ + iota - keyUp - keyDown - keyLeft - keyRight - keyAltLeft - keyAltRight - keyHome - keyEnd - keyDeleteWord - keyDeleteLine - keyClearScreen - keyPasteStart - keyPasteEnd -) - -var ( - crlf = []byte{'\r', '\n'} - pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'} - pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'} -) - -// bytesToKey tries to parse a key sequence from b. If successful, it returns -// the key and the remainder of the input. Otherwise it returns utf8.RuneError. -func bytesToKey(b []byte, pasteActive bool) (rune, []byte) { - if len(b) == 0 { - return utf8.RuneError, nil - } - - if !pasteActive { - switch b[0] { - case 1: // ^A - return keyHome, b[1:] - case 2: // ^B - return keyLeft, b[1:] - case 5: // ^E - return keyEnd, b[1:] - case 6: // ^F - return keyRight, b[1:] - case 8: // ^H - return keyBackspace, b[1:] - case 11: // ^K - return keyDeleteLine, b[1:] - case 12: // ^L - return keyClearScreen, b[1:] - case 23: // ^W - return keyDeleteWord, b[1:] - case 14: // ^N - return keyDown, b[1:] - case 16: // ^P - return keyUp, b[1:] - } - } - - if b[0] != keyEscape { - if !utf8.FullRune(b) { - return utf8.RuneError, b - } - r, l := utf8.DecodeRune(b) - return r, b[l:] - } - - if !pasteActive && len(b) >= 3 && b[0] == keyEscape && b[1] == '[' { - switch b[2] { - case 'A': - return keyUp, b[3:] - case 'B': - return keyDown, b[3:] - case 'C': - return keyRight, b[3:] - case 'D': - return keyLeft, b[3:] - case 'H': - return keyHome, b[3:] - case 'F': - return keyEnd, b[3:] - } - } - - if !pasteActive && len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' { - switch b[5] { - case 'C': - return keyAltRight, b[6:] - case 'D': - return keyAltLeft, b[6:] - } - } - - if !pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteStart) { - return keyPasteStart, b[6:] - } - - if pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteEnd) { - return keyPasteEnd, b[6:] - } - - // If we get here then we have a key that we don't recognise, or a - // partial sequence. It's not clear how one should find the end of a - // sequence without knowing them all, but it seems that [a-zA-Z~] only - // appears at the end of a sequence. - for i, c := range b[0:] { - if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c == '~' { - return keyUnknown, b[i+1:] - } - } - - return utf8.RuneError, b -} - -// queue appends data to the end of t.outBuf -func (t *Terminal) queue(data []rune) { - t.outBuf = append(t.outBuf, []byte(string(data))...) -} - -var eraseUnderCursor = []rune{' ', keyEscape, '[', 'D'} -var space = []rune{' '} - -func isPrintable(key rune) bool { - isInSurrogateArea := key >= 0xd800 && key <= 0xdbff - return key >= 32 && !isInSurrogateArea -} - -// moveCursorToPos appends data to t.outBuf which will move the cursor to the -// given, logical position in the text. -func (t *Terminal) moveCursorToPos(pos int) { - if !t.echo { - return - } - - x := visualLength(t.prompt) + pos - y := x / t.termWidth - x = x % t.termWidth - - up := 0 - if y < t.cursorY { - up = t.cursorY - y - } - - down := 0 - if y > t.cursorY { - down = y - t.cursorY - } - - left := 0 - if x < t.cursorX { - left = t.cursorX - x - } - - right := 0 - if x > t.cursorX { - right = x - t.cursorX - } - - t.cursorX = x - t.cursorY = y - t.move(up, down, left, right) -} - -func (t *Terminal) move(up, down, left, right int) { - m := []rune{} - - // 1 unit up can be expressed as ^[[A or ^[A - // 5 units up can be expressed as ^[[5A - - if up == 1 { - m = append(m, keyEscape, '[', 'A') - } else if up > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(up))...) - m = append(m, 'A') - } - - if down == 1 { - m = append(m, keyEscape, '[', 'B') - } else if down > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(down))...) - m = append(m, 'B') - } - - if right == 1 { - m = append(m, keyEscape, '[', 'C') - } else if right > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(right))...) - m = append(m, 'C') - } - - if left == 1 { - m = append(m, keyEscape, '[', 'D') - } else if left > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(left))...) - m = append(m, 'D') - } - - t.queue(m) -} - -func (t *Terminal) clearLineToRight() { - op := []rune{keyEscape, '[', 'K'} - t.queue(op) -} - -const maxLineLength = 4096 - -func (t *Terminal) setLine(newLine []rune, newPos int) { - if t.echo { - t.moveCursorToPos(0) - t.writeLine(newLine) - for i := len(newLine); i < len(t.line); i++ { - t.writeLine(space) - } - t.moveCursorToPos(newPos) - } - t.line = newLine - t.pos = newPos -} - -func (t *Terminal) advanceCursor(places int) { - t.cursorX += places - t.cursorY += t.cursorX / t.termWidth - if t.cursorY > t.maxLine { - t.maxLine = t.cursorY - } - t.cursorX = t.cursorX % t.termWidth - - if places > 0 && t.cursorX == 0 { - // Normally terminals will advance the current position - // when writing a character. But that doesn't happen - // for the last character in a line. However, when - // writing a character (except a new line) that causes - // a line wrap, the position will be advanced two - // places. - // - // So, if we are stopping at the end of a line, we - // need to write a newline so that our cursor can be - // advanced to the next line. - t.outBuf = append(t.outBuf, '\r', '\n') - } -} - -func (t *Terminal) eraseNPreviousChars(n int) { - if n == 0 { - return - } - - if t.pos < n { - n = t.pos - } - t.pos -= n - t.moveCursorToPos(t.pos) - - copy(t.line[t.pos:], t.line[n+t.pos:]) - t.line = t.line[:len(t.line)-n] - if t.echo { - t.writeLine(t.line[t.pos:]) - for i := 0; i < n; i++ { - t.queue(space) - } - t.advanceCursor(n) - t.moveCursorToPos(t.pos) - } -} - -// countToLeftWord returns then number of characters from the cursor to the -// start of the previous word. -func (t *Terminal) countToLeftWord() int { - if t.pos == 0 { - return 0 - } - - pos := t.pos - 1 - for pos > 0 { - if t.line[pos] != ' ' { - break - } - pos-- - } - for pos > 0 { - if t.line[pos] == ' ' { - pos++ - break - } - pos-- - } - - return t.pos - pos -} - -// countToRightWord returns then number of characters from the cursor to the -// start of the next word. -func (t *Terminal) countToRightWord() int { - pos := t.pos - for pos < len(t.line) { - if t.line[pos] == ' ' { - break - } - pos++ - } - for pos < len(t.line) { - if t.line[pos] != ' ' { - break - } - pos++ - } - return pos - t.pos -} - -// visualLength returns the number of visible glyphs in s. -func visualLength(runes []rune) int { - inEscapeSeq := false - length := 0 - - for _, r := range runes { - switch { - case inEscapeSeq: - if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') { - inEscapeSeq = false - } - case r == '\x1b': - inEscapeSeq = true - default: - length++ - } - } - - return length -} - -// handleKey processes the given key and, optionally, returns a line of text -// that the user has entered. -func (t *Terminal) handleKey(key rune) (line string, ok bool) { - if t.pasteActive && key != keyEnter { - t.addKeyToLine(key) - return - } - - switch key { - case keyBackspace: - if t.pos == 0 { - return - } - t.eraseNPreviousChars(1) - case keyAltLeft: - // move left by a word. - t.pos -= t.countToLeftWord() - t.moveCursorToPos(t.pos) - case keyAltRight: - // move right by a word. - t.pos += t.countToRightWord() - t.moveCursorToPos(t.pos) - case keyLeft: - if t.pos == 0 { - return - } - t.pos-- - t.moveCursorToPos(t.pos) - case keyRight: - if t.pos == len(t.line) { - return - } - t.pos++ - t.moveCursorToPos(t.pos) - case keyHome: - if t.pos == 0 { - return - } - t.pos = 0 - t.moveCursorToPos(t.pos) - case keyEnd: - if t.pos == len(t.line) { - return - } - t.pos = len(t.line) - t.moveCursorToPos(t.pos) - case keyUp: - entry, ok := t.history.NthPreviousEntry(t.historyIndex + 1) - if !ok { - return "", false - } - if t.historyIndex == -1 { - t.historyPending = string(t.line) - } - t.historyIndex++ - runes := []rune(entry) - t.setLine(runes, len(runes)) - case keyDown: - switch t.historyIndex { - case -1: - return - case 0: - runes := []rune(t.historyPending) - t.setLine(runes, len(runes)) - t.historyIndex-- - default: - entry, ok := t.history.NthPreviousEntry(t.historyIndex - 1) - if ok { - t.historyIndex-- - runes := []rune(entry) - t.setLine(runes, len(runes)) - } - } - case keyEnter: - t.moveCursorToPos(len(t.line)) - t.queue([]rune("\r\n")) - line = string(t.line) - ok = true - t.line = t.line[:0] - t.pos = 0 - t.cursorX = 0 - t.cursorY = 0 - t.maxLine = 0 - case keyDeleteWord: - // Delete zero or more spaces and then one or more characters. - t.eraseNPreviousChars(t.countToLeftWord()) - case keyDeleteLine: - // Delete everything from the current cursor position to the - // end of line. - for i := t.pos; i < len(t.line); i++ { - t.queue(space) - t.advanceCursor(1) - } - t.line = t.line[:t.pos] - t.moveCursorToPos(t.pos) - case keyCtrlD: - // Erase the character under the current position. - // The EOF case when the line is empty is handled in - // readLine(). - if t.pos < len(t.line) { - t.pos++ - t.eraseNPreviousChars(1) - } - case keyCtrlU: - t.eraseNPreviousChars(t.pos) - case keyClearScreen: - // Erases the screen and moves the cursor to the home position. - t.queue([]rune("\x1b[2J\x1b[H")) - t.queue(t.prompt) - t.cursorX, t.cursorY = 0, 0 - t.advanceCursor(visualLength(t.prompt)) - t.setLine(t.line, t.pos) - default: - if t.AutoCompleteCallback != nil { - prefix := string(t.line[:t.pos]) - suffix := string(t.line[t.pos:]) - - t.lock.Unlock() - newLine, newPos, completeOk := t.AutoCompleteCallback(prefix+suffix, len(prefix), key) - t.lock.Lock() - - if completeOk { - t.setLine([]rune(newLine), utf8.RuneCount([]byte(newLine)[:newPos])) - return - } - } - if !isPrintable(key) { - return - } - if len(t.line) == maxLineLength { - return - } - t.addKeyToLine(key) - } - return -} - -// addKeyToLine inserts the given key at the current position in the current -// line. -func (t *Terminal) addKeyToLine(key rune) { - if len(t.line) == cap(t.line) { - newLine := make([]rune, len(t.line), 2*(1+len(t.line))) - copy(newLine, t.line) - t.line = newLine - } - t.line = t.line[:len(t.line)+1] - copy(t.line[t.pos+1:], t.line[t.pos:]) - t.line[t.pos] = key - if t.echo { - t.writeLine(t.line[t.pos:]) - } - t.pos++ - t.moveCursorToPos(t.pos) -} - -func (t *Terminal) writeLine(line []rune) { - for len(line) != 0 { - remainingOnLine := t.termWidth - t.cursorX - todo := len(line) - if todo > remainingOnLine { - todo = remainingOnLine - } - t.queue(line[:todo]) - t.advanceCursor(visualLength(line[:todo])) - line = line[todo:] - } -} - -// writeWithCRLF writes buf to w but replaces all occurrences of \n with \r\n. -func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) { - for len(buf) > 0 { - i := bytes.IndexByte(buf, '\n') - todo := len(buf) - if i >= 0 { - todo = i - } - - var nn int - nn, err = w.Write(buf[:todo]) - n += nn - if err != nil { - return n, err - } - buf = buf[todo:] - - if i >= 0 { - if _, err = w.Write(crlf); err != nil { - return n, err - } - n++ - buf = buf[1:] - } - } - - return n, nil -} - -func (t *Terminal) Write(buf []byte) (n int, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - if t.cursorX == 0 && t.cursorY == 0 { - // This is the easy case: there's nothing on the screen that we - // have to move out of the way. - return writeWithCRLF(t.c, buf) - } - - // We have a prompt and possibly user input on the screen. We - // have to clear it first. - t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */) - t.cursorX = 0 - t.clearLineToRight() - - for t.cursorY > 0 { - t.move(1 /* up */, 0, 0, 0) - t.cursorY-- - t.clearLineToRight() - } - - if _, err = t.c.Write(t.outBuf); err != nil { - return - } - t.outBuf = t.outBuf[:0] - - if n, err = writeWithCRLF(t.c, buf); err != nil { - return - } - - t.writeLine(t.prompt) - if t.echo { - t.writeLine(t.line) - } - - t.moveCursorToPos(t.pos) - - if _, err = t.c.Write(t.outBuf); err != nil { - return - } - t.outBuf = t.outBuf[:0] - return -} - -// ReadPassword temporarily changes the prompt and reads a password, without -// echo, from the terminal. -func (t *Terminal) ReadPassword(prompt string) (line string, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - oldPrompt := t.prompt - t.prompt = []rune(prompt) - t.echo = false - - line, err = t.readLine() - - t.prompt = oldPrompt - t.echo = true - - return -} - -// ReadLine returns a line of input from the terminal. -func (t *Terminal) ReadLine() (line string, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - return t.readLine() -} - -func (t *Terminal) readLine() (line string, err error) { - // t.lock must be held at this point - - if t.cursorX == 0 && t.cursorY == 0 { - t.writeLine(t.prompt) - t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - } - - lineIsPasted := t.pasteActive - - for { - rest := t.remainder - lineOk := false - for !lineOk { - var key rune - key, rest = bytesToKey(rest, t.pasteActive) - if key == utf8.RuneError { - break - } - if !t.pasteActive { - if key == keyCtrlD { - if len(t.line) == 0 { - return "", io.EOF - } - } - if key == keyCtrlC { - return "", io.EOF - } - if key == keyPasteStart { - t.pasteActive = true - if len(t.line) == 0 { - lineIsPasted = true - } - continue - } - } else if key == keyPasteEnd { - t.pasteActive = false - continue - } - if !t.pasteActive { - lineIsPasted = false - } - line, lineOk = t.handleKey(key) - } - if len(rest) > 0 { - n := copy(t.inBuf[:], rest) - t.remainder = t.inBuf[:n] - } else { - t.remainder = nil - } - t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - if lineOk { - if t.echo { - t.historyIndex = -1 - t.history.Add(line) - } - if lineIsPasted { - err = ErrPasteIndicator - } - return - } - - // t.remainder is a slice at the beginning of t.inBuf - // containing a partial key sequence - readBuf := t.inBuf[len(t.remainder):] - var n int - - t.lock.Unlock() - n, err = t.c.Read(readBuf) - t.lock.Lock() - - if err != nil { - return - } - - t.remainder = t.inBuf[:n+len(t.remainder)] - } -} - -// SetPrompt sets the prompt to be used when reading subsequent lines. -func (t *Terminal) SetPrompt(prompt string) { - t.lock.Lock() - defer t.lock.Unlock() - - t.prompt = []rune(prompt) -} - -func (t *Terminal) clearAndRepaintLinePlusNPrevious(numPrevLines int) { - // Move cursor to column zero at the start of the line. - t.move(t.cursorY, 0, t.cursorX, 0) - t.cursorX, t.cursorY = 0, 0 - t.clearLineToRight() - for t.cursorY < numPrevLines { - // Move down a line - t.move(0, 1, 0, 0) - t.cursorY++ - t.clearLineToRight() - } - // Move back to beginning. - t.move(t.cursorY, 0, 0, 0) - t.cursorX, t.cursorY = 0, 0 - - t.queue(t.prompt) - t.advanceCursor(visualLength(t.prompt)) - t.writeLine(t.line) - t.moveCursorToPos(t.pos) -} - -func (t *Terminal) SetSize(width, height int) error { - t.lock.Lock() - defer t.lock.Unlock() - - if width == 0 { - width = 1 - } - - oldWidth := t.termWidth - t.termWidth, t.termHeight = width, height - - switch { - case width == oldWidth: - // If the width didn't change then nothing else needs to be - // done. - return nil - case len(t.line) == 0 && t.cursorX == 0 && t.cursorY == 0: - // If there is nothing on current line and no prompt printed, - // just do nothing - return nil - case width < oldWidth: - // Some terminals (e.g. xterm) will truncate lines that were - // too long when shinking. Others, (e.g. gnome-terminal) will - // attempt to wrap them. For the former, repainting t.maxLine - // works great, but that behaviour goes badly wrong in the case - // of the latter because they have doubled every full line. - - // We assume that we are working on a terminal that wraps lines - // and adjust the cursor position based on every previous line - // wrapping and turning into two. This causes the prompt on - // xterms to move upwards, which isn't great, but it avoids a - // huge mess with gnome-terminal. - if t.cursorX >= t.termWidth { - t.cursorX = t.termWidth - 1 - } - t.cursorY *= 2 - t.clearAndRepaintLinePlusNPrevious(t.maxLine * 2) - case width > oldWidth: - // If the terminal expands then our position calculations will - // be wrong in the future because we think the cursor is - // |t.pos| chars into the string, but there will be a gap at - // the end of any wrapped line. - // - // But the position will actually be correct until we move, so - // we can move back to the beginning and repaint everything. - t.clearAndRepaintLinePlusNPrevious(t.maxLine) - } - - _, err := t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - return err -} - -type pasteIndicatorError struct{} - -func (pasteIndicatorError) Error() string { - return "terminal: ErrPasteIndicator not correctly handled" -} - -// ErrPasteIndicator may be returned from ReadLine as the error, in addition -// to valid line data. It indicates that bracketed paste mode is enabled and -// that the returned line consists only of pasted data. Programs may wish to -// interpret pasted data more literally than typed data. -var ErrPasteIndicator = pasteIndicatorError{} - -// SetBracketedPasteMode requests that the terminal bracket paste operations -// with markers. Not all terminals support this but, if it is supported, then -// enabling this mode will stop any autocomplete callback from running due to -// pastes. Additionally, any lines that are completely pasted will be returned -// from ReadLine with the error set to ErrPasteIndicator. -func (t *Terminal) SetBracketedPasteMode(on bool) { - if on { - io.WriteString(t.c, "\x1b[?2004h") - } else { - io.WriteString(t.c, "\x1b[?2004l") - } -} - -// stRingBuffer is a ring buffer of strings. -type stRingBuffer struct { - // entries contains max elements. - entries []string - max int - // head contains the index of the element most recently added to the ring. - head int - // size contains the number of elements in the ring. - size int -} - -func (s *stRingBuffer) Add(a string) { - if s.entries == nil { - const defaultNumEntries = 100 - s.entries = make([]string, defaultNumEntries) - s.max = defaultNumEntries - } - - s.head = (s.head + 1) % s.max - s.entries[s.head] = a - if s.size < s.max { - s.size++ - } -} - -// NthPreviousEntry returns the value passed to the nth previous call to Add. -// If n is zero then the immediately prior value is returned, if one, then the -// next most recent, and so on. If such an element doesn't exist then ok is -// false. -func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) { - if n >= s.size { - return "", false - } - index := s.head - n - if index < 0 { - index += s.max - } - return s.entries[index], true -} - -// readPasswordLine reads from reader until it finds \n or io.EOF. -// The slice returned does not include the \n. -// readPasswordLine also ignores any \r it finds. -// Windows uses \r as end of line. So, on Windows, readPasswordLine -// reads until it finds \r and ignores any \n it finds during processing. -func readPasswordLine(reader io.Reader) ([]byte, error) { - var buf [1]byte - var ret []byte - - for { - n, err := reader.Read(buf[:]) - if n > 0 { - switch buf[0] { - case '\b': - if len(ret) > 0 { - ret = ret[:len(ret)-1] - } - case '\n': - if runtime.GOOS != "windows" { - return ret, nil - } - // otherwise ignore \n - case '\r': - if runtime.GOOS == "windows" { - return ret, nil - } - // otherwise ignore \r - default: - ret = append(ret, buf[0]) - } - continue - } - if err != nil { - if err == io.EOF && len(ret) > 0 { - return ret, nil - } - return ret, err - } - } -} diff --git a/vendor/modules.txt b/vendor/modules.txt index a06c222f..d7589348 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -28,18 +28,14 @@ github.com/pmezard/go-difflib/difflib ## explicit; go 1.13 github.com/stretchr/testify/assert github.com/stretchr/testify/require -# golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29 -## explicit; go 1.17 +# golang.org/x/crypto v0.0.0-20191117063200-497ca9f6d64f +## explicit; go 1.11 golang.org/x/crypto/ssh/terminal # golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f ## explicit; go 1.17 golang.org/x/sys/internal/unsafeheader -golang.org/x/sys/plan9 golang.org/x/sys/unix golang.org/x/sys/windows -# golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 -## explicit; go 1.11 -golang.org/x/term # gopkg.in/validator.v2 v2.0.0-20200605151824-2b28d334fa05 ## explicit gopkg.in/validator.v2