8d4b5849f2
It's safe to fix our constant definitions because we know we never had symbols before, so can't be passing the bad old constants to the new functions, or the correct new constants to the old inlines. Change-Id: I858fc680df39bdd3ba471e867833bdfa71f6224e
117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <termios.h>
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#include <unistd.h>
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static speed_t cfgetspeed(const termios* s) {
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return (s->c_cflag & CBAUD);
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}
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speed_t cfgetispeed(const termios* s) {
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return cfgetspeed(s);
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}
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speed_t cfgetospeed(const termios* s) {
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return cfgetspeed(s);
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}
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void cfmakeraw(termios* s) {
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s->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
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s->c_oflag &= ~OPOST;
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s->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
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s->c_cflag &= ~(CSIZE|PARENB);
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s->c_cflag |= CS8;
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}
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int cfsetispeed(termios* s, speed_t speed) {
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return cfsetspeed(s, speed);
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}
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int cfsetospeed(termios* s, speed_t speed) {
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return cfsetspeed(s, speed);
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}
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int cfsetspeed(termios* s, speed_t speed) {
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// TODO: check 'speed' is valid.
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s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD);
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return 0;
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}
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int tcdrain(int fd) {
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// A non-zero argument to TCSBRK means "don't send a break".
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// The drain is a side-effect of the ioctl!
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return ioctl(fd, TCSBRK, static_cast<unsigned long>(1));
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}
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int tcflow(int fd, int action) {
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return ioctl(fd, TCXONC, static_cast<unsigned long>(action));
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}
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int tcflush(int fd, int queue) {
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return ioctl(fd, TCFLSH, static_cast<unsigned long>(queue));
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}
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int tcgetattr(int fd, termios* s) {
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return ioctl(fd, TCGETS, s);
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}
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pid_t tcgetsid(int fd) {
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pid_t sid;
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if (ioctl(fd, TIOCGSID, &sid) == -1) {
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return -1;
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}
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return sid;
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}
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int tcsendbreak(int fd, int duration) {
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return ioctl(fd, TCSBRKP, static_cast<unsigned long>(duration));
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}
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int tcsetattr(int fd, int optional_actions, const termios* s) {
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int cmd;
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switch (optional_actions) {
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case TCSANOW: cmd = TCSETS; break;
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case TCSADRAIN: cmd = TCSETSW; break;
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case TCSAFLUSH: cmd = TCSETSF; break;
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default: errno = EINVAL; return -1;
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}
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return ioctl(fd, cmd, s);
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}
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pid_t tcgetpgrp(int fd) {
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pid_t pid;
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if (ioctl(fd, TIOCGPGRP, &pid) == -1) {
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return -1;
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}
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return pid;
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}
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int tcsetpgrp(int fd, pid_t pid) {
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return ioctl(fd, TIOCSPGRP, &pid);
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}
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