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@@ -1,12 +1,28 @@
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-
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- * file is part of the Linux-8086 C library and is distributed under the
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- * GNU Library General Public License.
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+
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Library General Public License as
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+ published by the Free Software Foundation; either version 2 of the
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+ License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Library General Public License for more details.
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+
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+ You should have received a copy of the GNU Library General Public
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+ License along with the GNU C Library; see the file COPYING.LIB. If not,
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+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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+ Boston, MA 02111-1307, USA.
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+
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+
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+ About the only thing remaining here fromthe original Linux-8086 C library
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+ version by Robert de Bath <robert@mayday.compulink.co.uk>, is the general
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+ layout. All else has been recently stolen from GNU libc, since that was
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+ much more current.
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*/
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-
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-
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-#ifndef __MSDOS__
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-
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#include <errno.h>
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#include <stddef.h>
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#include <sys/ioctl.h>
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@@ -14,82 +30,43 @@
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#include <unistd.h>
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#ifdef L_isatty
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+
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int isatty(int fd)
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{
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- struct termios term;
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- int rv, err = errno;
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-
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- rv = (ioctl(fd, TCGETS, &term) == 0);
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- if (rv == 0 && errno == ENOSYS)
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- rv = (fd < 3);
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- errno = err;
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- return rv;
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-}
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-#endif
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+ struct termios term;
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-#ifdef L_tcgetattr
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-int tcgetattr(fd, term)
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-int fd;
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-struct termios *term;
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-{
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- return ioctl(fd, TCGETS, term);
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-}
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-#endif
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-
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-#ifdef L_tcsetattr
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-int tcsetattr(fildes, optional_actions, termios_p)
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-int fildes;
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-int optional_actions;
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-struct termios *termios_p;
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-{
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- switch (optional_actions) {
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- case TCSANOW:
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- return ioctl(fildes, TCSETS, termios_p);
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- case TCSADRAIN:
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- return ioctl(fildes, TCSETSW, termios_p);
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- case TCSAFLUSH:
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- return ioctl(fildes, TCSETSF, termios_p);
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- default:
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- errno = EINVAL;
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- return -1;
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- }
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+ return tcgetattr(fd, &term) == 0;
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}
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#endif
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#ifdef L_tcdrain
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-int tcdrain(fd)
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-int fd;
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+int tcdrain (int fd)
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{
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-
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- return ioctl(fd, TCSBRK, 1);
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+
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+ return ioctl(fd, TCSBRK, 1);
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}
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#endif
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#ifdef L_tcflow
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-int tcflow(fd, action)
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-int fd;
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-int action;
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+
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+int tcflow ( int fd, int action)
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{
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- return ioctl(fd, TCXONC, action);
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+ return ioctl(fd, TCXONC, action);
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}
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#endif
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#ifdef L_tcflush
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-int tcflush(fd, queue_selector)
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-int fd;
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-int queue_selector;
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+int tcflush ( int fd, int queue_selector)
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{
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- return ioctl(fd, TCFLSH, queue_selector);
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+ return ioctl(fd, TCFLSH, queue_selector);
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}
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#endif
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#ifdef L_tcsendbreak
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-int tcsendbreak(fd, duration)
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-int fd;
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-int duration;
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+int tcsendbreak( int fd, int duration)
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{
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* The break lasts 0.25 to 0.5 seconds if DURATION is zero, and an
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@@ -111,260 +88,227 @@ int duration;
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#ifdef L_tcsetpgrp
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-int tcsetpgrp(fd, pgrp_id)
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-int fd;
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-pid_t pgrp_id;
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+int tcsetpgrp ( int fd, pid_t pgrp_id)
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{
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- return ioctl(fd, TIOCSPGRP, &pgrp_id);
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+ return ioctl (fd, TIOCSPGRP, &pgrp_id);
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}
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#endif
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#ifdef L_tcgetpgrp
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-pid_t tcgetpgrp(fd)
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-int fd;
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+pid_t tcgetpgrp ( int fd)
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{
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- int pgrp;
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+ int pgrp;
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- if (ioctl(fd, TIOCGPGRP, &pgrp) < 0)
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- return (pid_t) - 1;
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- return (pid_t) pgrp;
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+ if (ioctl (fd, TIOCGPGRP, &pgrp) < 0)
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+ return (pid_t) -1;
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+ return (pid_t) pgrp;
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}
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#endif
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+
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+ * called with the SPEED argument set to zero this means use the same speed as
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+ * for output. But we don't have independent input and output speeds and
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+ * therefore cannot record this.
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+ *
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+ * We use an unused bit in the `c_iflag' field to keep track of this use of
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+ * `cfsetispeed'. The value here must correspond to the one used in
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+ * `tcsetattr.c'. */
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+#define IBAUD0 020000000000
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+
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#ifdef L_cfgetospeed
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-speed_t cfgetospeed(tp)
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-struct termios *tp;
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+
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+speed_t cfgetospeed ( const struct termios *termios_p)
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{
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- return (tp->c_cflag & CBAUD);
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+ return termios_p->c_cflag & (CBAUD | CBAUDEX);
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}
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#endif
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#ifdef L_cfgetispeed
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-speed_t cfgetispeed(tp)
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-struct termios *tp;
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+
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+
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+ * Although for Linux there is no difference between input and output
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+ * speed, the numerical 0 is a special case for the input baud rate. It
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+ * should set the input baud rate to the output baud rate. */
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+speed_t cfgetispeed (const struct termios *termios_p)
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{
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- return (tp->c_cflag & CBAUD);
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+ return ((termios_p->c_iflag & IBAUD0)
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+ ? 0 : termios_p->c_cflag & (CBAUD | CBAUDEX));
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}
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#endif
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#ifdef L_cfsetospeed
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-int cfsetospeed(tp, speed)
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-struct termios *tp;
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-speed_t speed;
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+
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+int cfsetospeed (struct termios *termios_p, speed_t speed)
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{
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-#ifdef CBAUDEX
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- if ((speed & ~CBAUD) ||
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- ((speed & CBAUDEX) && (speed < B57600 || speed > B115200)))
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- return 0;
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-#else
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- if (speed & ~CBAUD)
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- return 0;
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-#endif
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- tp->c_cflag &= ~CBAUD;
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- tp->c_cflag |= speed;
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+ if ((speed & ~CBAUD) != 0
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+ && (speed < B57600 || speed > B460800))
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+ {
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+ errno=EINVAL;
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+ return -1;
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+ }
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- return 0;
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+ termios_p->c_cflag &= ~(CBAUD | CBAUDEX);
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+ termios_p->c_cflag |= speed;
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+
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+ return 0;
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}
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#endif
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#ifdef L_cfsetispeed
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-int cfsetispeed(tp, speed)
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-struct termios *tp;
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-speed_t speed;
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+
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+ * Although for Linux there is no difference between input and output
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+ * speed, the numerical 0 is a special case for the input baud rate. It
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+ * should set the input baud rate to the output baud rate. */
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+int cfsetispeed ( struct termios *termios_p, speed_t speed)
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{
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- return cfsetospeed(tp, speed);
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+ if ((speed & ~CBAUD) != 0
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+ && (speed < B57600 || speed > B460800))
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+ {
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+ errno=EINVAL;
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+ return -1;
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+ }
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+
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+ if (speed == 0)
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+ termios_p->c_iflag |= IBAUD0;
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+ else
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+ {
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+ termios_p->c_iflag &= ~IBAUD0;
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+ termios_p->c_cflag &= ~(CBAUD | CBAUDEX);
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+ termios_p->c_cflag |= speed;
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+ }
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+
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+ return 0;
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}
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#endif
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-#if 0
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-
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-
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-
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#ifdef L_tcspeed
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-static struct {
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- int number;
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- speed_t code;
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-} tcspeeds[] = {
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+struct speed_struct
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+{
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+ speed_t value;
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+ speed_t internal;
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+};
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+
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+static const struct speed_struct speeds[] =
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+ {
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+#ifdef B0
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+ { 0, B0 },
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+#endif
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#ifdef B50
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- {
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- 50, B50},
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+ { 50, B50 },
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#endif
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#ifdef B75
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- {
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- 75, B75},
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+ { 75, B75 },
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#endif
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#ifdef B110
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- {
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- 110, B110},
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+ { 110, B110 },
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#endif
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#ifdef B134
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- {
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- 134, B134},
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+ { 134, B134 },
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#endif
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#ifdef B150
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- {
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- 150, B150},
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+ { 150, B150 },
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#endif
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#ifdef B200
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- {
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- 200, B200},
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+ { 200, B200 },
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#endif
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#ifdef B300
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- {
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- 300, B300},
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+ { 300, B300 },
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#endif
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#ifdef B600
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- {
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- 600, B600},
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+ { 600, B600 },
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#endif
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#ifdef B1200
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- {
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- 1200, B1200},
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+ { 1200, B1200 },
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+#endif
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+#ifdef B1200
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+ { 1200, B1200 },
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#endif
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#ifdef B1800
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- {
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- 1800, B1800},
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+ { 1800, B1800 },
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#endif
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#ifdef B2400
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- {
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- 2400, B2400},
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+ { 2400, B2400 },
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#endif
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#ifdef B4800
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- {
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- 4800, B4800},
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+ { 4800, B4800 },
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#endif
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#ifdef B9600
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- {
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- 9600, B9600},
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+ { 9600, B9600 },
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#endif
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#ifdef B19200
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- {
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- 19200, B19200},
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+ { 19200, B19200 },
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#endif
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#ifdef B38400
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- {
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- 38400, B38400},
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+ { 38400, B38400 },
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#endif
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#ifdef B57600
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- {
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- 57600, B57600},
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+ { 57600, B57600 },
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+#endif
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+#ifdef B76800
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+ { 76800, B76800 },
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#endif
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#ifdef B115200
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- {
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- 115200, B115200},
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+ { 115200, B115200 },
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+#endif
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+#ifdef B153600
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+ { 153600, B153600 },
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#endif
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#ifdef B230400
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- {
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- 230400, B230400},
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+ { 230400, B230400 },
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#endif
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-#ifdef B460800
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- {
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- 460800, B460800},
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+#ifdef B307200
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+ { 307200, B307200 },
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#endif
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-#ifdef B0
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- {
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- 0, B0},
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+#ifdef B460800
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+ { 460800, B460800 },
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#endif
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- {
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- 0, 0}
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-};
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-
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-int tcspeed_to_number(code)
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-speed_t code;
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-{
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- int i;
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+ };
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- code &= CBAUD;
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- for (i = 0; tcspeeds[i].code; i++)
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- if (tcspeeds[i].code == code)
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- return tcspeeds[i].number;
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- return 0;
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-}
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-speed_t tcspeed_from_number(number)
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-int number;
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+
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+int cfsetspeed (struct termios *termios_p, speed_t speed)
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{
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- int i;
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-
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- for (i = 0; tcspeeds[i].code; i++)
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- if (tcspeeds[i].number == number)
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- return tcspeeds[i].code;
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- return B0;
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-}
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-#endif
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+ size_t cnt;
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-#ifdef L_cfgetospeedn
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-int cfgetospeedn(tp)
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-struct termios *tp;
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-{
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- return tcspeed_to_number(cfgetospeed(tp));
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-}
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-#endif
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-
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-#ifdef L_cfgetispeedn
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-int cfgetispeedn(tp)
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-struct termios *tp;
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-{
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- return tcspeed_to_number(cfgetispeed(tp));
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-}
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-#endif
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+ for (cnt = 0; cnt < sizeof (speeds) / sizeof (speeds[0]); ++cnt)
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+ if (speed == speeds[cnt].internal)
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+ {
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+ cfsetispeed (termios_p, speed);
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+ cfsetospeed (termios_p, speed);
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+ return 0;
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+ }
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+ else if (speed == speeds[cnt].value)
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+ {
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+ cfsetispeed (termios_p, speeds[cnt].internal);
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+ cfsetospeed (termios_p, speeds[cnt].internal);
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+ return 0;
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+ }
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-#ifdef L_cfsetospeedn
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-int cfsetospeedn(tp, speed)
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-struct termios *tp;
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-int speed;
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-{
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- return cfsetospeed(tp, tcspeed_from_number(speed));
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-}
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-#endif
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+ __set_errno (EINVAL);
|
|
|
|
|
|
-#ifdef L_cfsetispeedn
|
|
|
-int cfsetispeedn(tp, speed)
|
|
|
-struct termios *tp;
|
|
|
-int speed;
|
|
|
-{
|
|
|
- return cfsetispeedn(tp, tcspeed_from_number(speed));
|
|
|
+ return -1;
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
-#endif
|
|
|
-
|
|
|
-
|
|
|
#ifdef L_cfmakeraw
|
|
|
-
|
|
|
-This file is part of the GNU C Library.*/
|
|
|
+
|
|
|
+ This file is part of the GNU C Library.
|
|
|
+*/
|
|
|
+#include <termios.h>
|
|
|
|
|
|
-void cfmakeraw(t)
|
|
|
-struct termios *t;
|
|
|
+
|
|
|
+void
|
|
|
+cfmakeraw (t)
|
|
|
+ struct termios *t;
|
|
|
{
|
|
|
-
|
|
|
- * from Bruce Evans. Thanks Bruce. Please report the problems to
|
|
|
- * H.J. Lu (hlu@eecs.wsu.edu).
|
|
|
- */
|
|
|
-
|
|
|
-
|
|
|
- * I took out the bits commented out by #if 1...#else - RHP
|
|
|
- */
|
|
|
-
|
|
|
-
|
|
|
- t->c_cc[VMIN] = 1;
|
|
|
- t->c_cc[VTIME] = 1;
|
|
|
-
|
|
|
- t->c_cflag &= ~(CSIZE | PARENB | CSTOPB);
|
|
|
- t->c_cflag |= (CS8 | HUPCL | CREAD);
|
|
|
- t->c_iflag &= ~(IGNBRK | BRKINT | PARMRK | INPCK | ISTRIP);
|
|
|
- t->c_iflag &= ~(INLCR | IGNCR | ICRNL | IXON | IXOFF);
|
|
|
- t->c_iflag |= (BRKINT | IGNPAR);
|
|
|
- t->c_oflag &=
|
|
|
- ~(OPOST | OLCUC | OCRNL | ONOCR | ONLRET | OFILL | OFDEL);
|
|
|
- t->c_oflag &= ~(NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY);
|
|
|
- t->c_oflag |= (ONLCR | NL0 | CR0 | TAB3 | BS0 | VT0 | FF0);
|
|
|
- t->c_lflag &=
|
|
|
- ~(ISIG | ICANON | IEXTEN | ECHO | ECHOE | ECHOK | ECHONL);
|
|
|
- t->c_lflag &= ~(NOFLSH | XCASE);
|
|
|
- t->c_lflag &= ~(ECHOPRT | ECHOCTL | ECHOKE);
|
|
|
+ t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
|
|
|
+ t->c_oflag &= ~OPOST;
|
|
|
+ t->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
|
|
|
+ t->c_cflag &= ~(CSIZE|PARENB);
|
|
|
+ t->c_cflag |= CS8;
|
|
|
+ t->c_cc[VMIN] = 1;
|
|
|
+ t->c_cc[VTIME] = 0;
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
-#endif
|
Eric Andersen