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/*
* Copyright (C) 2015 The Android Open Source Project
* 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.
*
* 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.
*/
#ifndef _ANDROID_LEGACY_TERMIOS_INLINES_H_
#define _ANDROID_LEGACY_TERMIOS_INLINES_H_
#include <sys/cdefs.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <linux/termios.h>
#if __ANDROID_API__ < __ANDROID_API_L__
__BEGIN_DECLS
static __inline int tcgetattr(int fd, struct termios *s) {
return ioctl(fd, TCGETS, s);
}
static __inline int tcsetattr(int fd, int __opt, const struct termios *s) {
return ioctl(fd, __opt, (void *)s);
}
static __inline int tcflow(int fd, int action) {
return ioctl(fd, TCXONC, (void *)(intptr_t)action);
}
static __inline int tcflush(int fd, int __queue) {
return ioctl(fd, TCFLSH, (void *)(intptr_t)__queue);
}
static __inline pid_t tcgetsid(int fd) {
pid_t _pid;
return ioctl(fd, TIOCGSID, &_pid) ? (pid_t)-1 : _pid;
}
static __inline int tcsendbreak(int fd, int __duration) {
return ioctl(fd, TCSBRKP, (void *)(uintptr_t)__duration);
}
static __inline speed_t cfgetospeed(const struct termios *s) {
return (speed_t)(s->c_cflag & CBAUD);
}
static __inline int cfsetospeed(struct termios *s, speed_t speed) {
s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD);
return 0;
}
static __inline speed_t cfgetispeed(const struct termios *s) {
return (speed_t)(s->c_cflag & CBAUD);
}
static __inline int cfsetispeed(struct termios *s, speed_t speed) {
s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD);
return 0;
}
static __inline void cfmakeraw(struct termios *s) {
s->c_iflag &=
~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
s->c_oflag &= ~OPOST;
s->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
s->c_cflag &= ~(CSIZE | PARENB);
s->c_cflag |= CS8;
}
static __inline int cfsetspeed(struct termios* s, speed_t speed) {
// TODO: check 'speed' is valid.
s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD);
return 0;
}
static __inline int tcdrain(int fd) {
// A non-zero argument to TCSBRK means "don't send a break".
// The drain is a side-effect of the ioctl!
return ioctl(fd, TCSBRK, __BIONIC_CAST(static_cast, unsigned long, 1));
}
__END_DECLS
#endif
#endif /* _ANDROID_LEGACY_TERMIOS_INLINES_H_ */
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