diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/speed.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/speed.c | 60 |
1 files changed, 6 insertions, 54 deletions
diff --git a/sysdeps/unix/sysv/linux/speed.c b/sysdeps/unix/sysv/linux/speed.c index 9dd5e2f269..ba8b122f6c 100644 --- a/sysdeps/unix/sysv/linux/speed.c +++ b/sysdeps/unix/sysv/linux/speed.c @@ -21,48 +21,13 @@ Cambridge, MA 02139, USA. */ #include <errno.h> #include <termios.h> -static const speed_t speeds[] = - { - 0, - 50, - 75, - 110, - 134, - 150, - 200, - 300, - 600, - 1200, - 1800, - 2400, - 4800, - 9600, - 19200, - 38400, -#ifndef __alpha__ - 38400, /* Mention this twice here is a trick. */ -#endif - 57600, - 115200, - 230400, - 460800, - }; - /* Return the output baud rate stored in *TERMIOS_P. */ speed_t cfgetospeed (termios_p) const struct termios *termios_p; { - speed_t retval = termios_p->c_cflag & (CBAUD | CBAUDEX); - - if (retval & CBAUDEX) - { - retval &= ~CBAUDEX; - retval |= CBAUD + 1; - } - - return retval; + return termios_p->c_cflag & (CBAUD | CBAUDEX); } /* Return the input baud rate stored in *TERMIOS_P. @@ -75,30 +40,17 @@ cfsetospeed (termios_p, speed) struct termios *termios_p; speed_t speed; { - register unsigned int i; - - if (termios_p == NULL) + if ((speed & ~CBAUD) != 0 + && (speed < B57600 || speed > B460800)) { __set_errno (EINVAL); return -1; } - /* This allows either B1200 or 1200 to work. XXX - Do we really want to try to support this, given that - fetching the speed must return one or the other? */ - - for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i) - if (i == speed || speeds[i] == speed) - { - termios_p->c_cflag &= ~(CBAUD | CBAUDEX); - termios_p->c_cflag |= (i & CBAUD); - if (i & ~CBAUD) - termios_p->c_cflag |= CBAUDEX; - return 0; - } + termios_p->c_cflag &= ~(CBAUD | CBAUDEX); + termios_p->c_cflag |= speed; - __set_errno (EINVAL); - return -1; + return 0; } /* Set the input baud rate stored in *TERMIOS_P to SPEED. |