kaguya
104 lines
2.0 KiB
C++
104 lines
2.0 KiB
C++
#ifndef _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#include <errno.h>
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#include <termios.h>
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#include <sys/ioctl.h>
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#include <bits/ensure.h>
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#include <mlibc/posix-sysdeps.hpp>
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speed_t cfgetispeed(const struct termios *tios) {
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return tios->c_cflag & CBAUD;
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}
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speed_t cfgetospeed(const struct termios *tios) {
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return tios->c_cflag & CBAUD;
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}
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int cfsetispeed(struct termios *termios, speed_t speed) {
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return speed ? cfsetospeed(termios, speed) : 0;
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}
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int cfsetospeed(struct termios *termios, speed_t speed) {
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if(speed & ~CBAUD) {
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errno = EINVAL;
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return -1;
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}
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termios->c_cflag &= ~CBAUD;
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termios->c_cflag |= speed;
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return 0;
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}
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void cfmakeraw(struct termios *t) {
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t->c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
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t->c_oflag &= ~OPOST;
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t->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
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t->c_cflag &= ~(CSIZE | PARENB);
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t->c_cflag |= CS8;
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t->c_cc[VMIN] = 1;
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t->c_cc[VTIME] = 0;
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}
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int tcdrain(int fd) {
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_tcdrain, -1);
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if(int e = mlibc::sys_tcdrain(fd); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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int tcflow(int fd, int action) {
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_tcflow, -1);
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if(int e = mlibc::sys_tcflow(fd, action); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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int tcflush(int fd, int queue_selector) {
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_tcflush, -1);
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if(int e = mlibc::sys_tcflush(fd, queue_selector); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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int tcgetattr(int fd, struct termios *attr) {
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_tcgetattr, -1);
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if(int e = mlibc::sys_tcgetattr(fd, attr); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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pid_t tcgetsid(int fd) {
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int sid;
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if(ioctl(fd, TIOCGSID, &sid) < 0) {
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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, int) {
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__ensure(!"Not implemented");
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__builtin_unreachable();
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}
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int tcsetattr(int fd, int opts, const struct termios *attr) {
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MLIBC_CHECK_OR_ENOSYS(mlibc::sys_tcsetattr, -1);
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if(int e = mlibc::sys_tcsetattr(fd, opts, attr); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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