sgjesse@google.com
30ae29f4f2
This re-applies r42909 which was reverted in r42910 with a few fixes. TBR=ajohnsen@google.com BUG= Review URL: https://codereview.chromium.org//851253002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@42953 260f80e4-7a28-3924-810f-c04153c831b5
83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(TARGET_OS_LINUX)
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#include <errno.h> // NOLINT
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#include <sys/ioctl.h> // NOLINT
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#include <termios.h> // NOLINT
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#include "bin/stdio.h"
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#include "bin/fdutils.h"
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#include "platform/signal_blocker.h"
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namespace dart {
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namespace bin {
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int Stdin::ReadByte() {
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int c = NO_RETRY_EXPECTED(getchar());
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if (c == EOF) {
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c = -1;
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}
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return c;
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}
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bool Stdin::GetEchoMode() {
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struct termios term;
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VOID_NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term));
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return (term.c_lflag & ECHO) != 0;
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}
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void Stdin::SetEchoMode(bool enabled) {
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struct termios term;
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VOID_NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term));
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if (enabled) {
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term.c_lflag |= ECHO|ECHONL;
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} else {
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term.c_lflag &= ~(ECHO|ECHONL);
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}
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VOID_NO_RETRY_EXPECTED(tcsetattr(STDIN_FILENO, TCSANOW, &term));
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}
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bool Stdin::GetLineMode() {
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struct termios term;
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VOID_NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term));
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return (term.c_lflag & ICANON) != 0;
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}
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void Stdin::SetLineMode(bool enabled) {
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struct termios term;
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VOID_NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term));
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if (enabled) {
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term.c_lflag |= ICANON;
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} else {
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term.c_lflag &= ~(ICANON);
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}
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VOID_NO_RETRY_EXPECTED(tcsetattr(STDIN_FILENO, TCSANOW, &term));
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}
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bool Stdout::GetTerminalSize(intptr_t fd, int size[2]) {
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struct winsize w;
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if (NO_RETRY_EXPECTED(ioctl(fd, TIOCGWINSZ, &w)) == 0 &&
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(w.ws_col != 0 || w.ws_row != 0)) {
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size[0] = w.ws_col;
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size[1] = w.ws_row;
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return true;
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}
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return false;
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}
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} // namespace bin
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} // namespace dart
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#endif // defined(TARGET_OS_LINUX)
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