termios.c

   1 #include <errno.h>
   2 #include <termios.h>
   3 #include <sys/ioctl.h>
   4
   5 int tcgetattr(int fd, struct termios *term)
   6 {
   7         return ioctl(fd, TCGETS, term);
   8 }
   9
  10 int tcsetattr(int fd, int actions, struct termios* term)
  11 {
  12         switch (actions) {
  13         case TCSANOW:
  14                 return ioctl(fd, TCSETS , term);
  15         case TCSADRAIN:
  16                 return ioctl(fd, TCSETSW, term);
  17         case TCSAFLUSH:
  18                 return ioctl(fd, TCSETSF, term);
  19         }
  20         errno = EINVAL;
  21         return -1;
  22 }
  23
  24 void cfmakeraw(struct termios *t)
  25 {
  26         t->c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP |
  27                         INLCR | IGNCR | ICRNL | IXON);
  28         t->c_oflag &= ~OPOST;
  29         t->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
  30         t->c_cflag &= ~(CSIZE | PARENB);
  31         t->c_cflag |= CS8;
  32         t->c_cc[VMIN] = 1;
  33         t->c_cc[VTIME] = 0;
  34 }