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-rw-r--r--contrib/tcsh/mi.termios.c393
1 files changed, 0 insertions, 393 deletions
diff --git a/contrib/tcsh/mi.termios.c b/contrib/tcsh/mi.termios.c
deleted file mode 100644
index b4834b607174a..0000000000000
--- a/contrib/tcsh/mi.termios.c
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@@ -1,393 +0,0 @@
-/* $Header: /src/pub/tcsh/mi.termios.c,v 1.3 1996/04/26 19:18:38 christos Exp $ */
-/* termios.c - fake termios interface using sgtty interface
- * by Magnus Doell and Bruce Evans.
- *
- */
-#include "sh.h"
-RCSID("$Id: mi.termios.c,v 1.3 1996/04/26 19:18:38 christos Exp $")
-
-#ifdef _MINIX
-
-
-/* Undefine everything that clashes with sgtty.h. */
-#undef B0
-#undef B50
-#undef B75
-#undef B110
-#undef B134
-#undef B150
-#undef B200
-#undef B300
-#undef B600
-#undef B1200
-#undef B1800
-#undef B2400
-#undef B4800
-#undef B9600
-#undef B19200
-#undef B28800
-#undef B38400
-#undef B57600
-#undef B115200
-/* Do not #undef CRMOD. We want a warning when they differ! */
-#undef ECHO
-/* Do not #undef XTABS. We want a warning when they differ! */
-
-/* Redefine some of the termios.h names just undefined with 'T_' prefixed
- * to the name. Don't bother with the low speeds - Minix does not support
- * them. Add support for higher speeds (speeds are now easy and don't need
- * defines because they are not encoded).
- */
-#define T_ECHO 000001
-
-#include <errno.h>
-#include <sgtty.h>
-
-static _PROTOTYPE( int tc_to_sg_speed, (speed_t speed) );
-static _PROTOTYPE( speed_t sg_to_tc_speed, (int speed) );
-#define B19200 192
-
-/* The speed get/set functions could be macros in the Minix implementation
- * because there are speed fields in the structure with no fancy packing
- * and it is not practical to check the values outside the driver.
- * Where tests are necessary because the driver acts different from what
- * POSIX requires, they are done in tcsetattr.
- */
-
-speed_t cfgetispeed(termios_p)
-struct termios *termios_p;
-{
- return termios_p->c_ispeed;
-}
-
-speed_t cfgetospeed(termios_p)
-struct termios *termios_p;
-{
- return termios_p->c_ospeed;
-}
-
-speed_t cfsetispeed(termios_p, speed)
-struct termios *termios_p;
-speed_t speed;
-{
- termios_p->c_ispeed = speed;
- return 0;
-}
-
-speed_t cfsetospeed(termios_p, speed)
-struct termios *termios_p;
-speed_t speed;
-{
- termios_p->c_ospeed = speed;
- return 0;
-}
-
-static speed_t sg_to_tc_speed(speed)
-int speed;
-{
- /* The speed encodings in sgtty.h and termios.h are different. Both are
- * inflexible. Minix doesn't really support B0 but we map it through
- * anyway. It doesn't support B50, B75 or B134.
- */
- switch (speed) {
- case B0: return 0;
- case B110: return 110;
- case B200: return 200;
- case B300: return 300;
- case B600: return 600;
- case B1200: return 1200;
- case B1800: return 1800;
- case B2400: return 2400;
- case B4800: return 4800;
- case B9600: return 9600;
- case B19200: return 19200;
-#ifdef B28800
- case B28800: return 28800;
-#endif
-#ifdef B38400
- case B38400: return 38400;
-#endif
-#ifdef B57600
- case B57600: return 57600;
-#endif
-#ifdef B115200
- case B115200: return 115200;
-#endif
- default: return (speed_t)-1;
- }
-}
-
-static int tc_to_sg_speed(speed)
-speed_t speed;
-{
- /* Don't use a switch here in case the compiler is 16-bit and doesn't
- * properly support longs (speed_t's) in switches. It turns out the
- * switch is larger and slower for most compilers anyway!
- */
- if (speed == 0) return 0;
- if (speed == 110) return B110;
- if (speed == 200) return B200;
- if (speed == 300) return B300;
- if (speed == 600) return B600;
- if (speed == 1200) return B1200;
- if (speed == 1800) return B1800;
- if (speed == 2400) return B2400;
- if (speed == 4800) return B4800;
- if (speed == 9600) return B9600;
- if (speed == 19200) return B19200;
-#ifdef B28800
- if (speed == 28800) return B28800;
-#endif
-#ifdef B38400
- if (speed == 38400) return B38400;
-#endif
-#ifdef B57600
- if (speed == 57600) return B57600;
-#endif
-#ifdef B115200
- if (speed == 115200) return B115200;
-#endif
- return -1;
-}
-
-int tcgetattr(filedes, termios_p)
-int filedes;
-struct termios *termios_p;
-{
- struct sgttyb sgbuf;
- struct tchars tcbuf;
-
- if (ioctl(filedes, TIOCGETP, &sgbuf) < 0
- || ioctl(filedes, TIOCGETC, (struct sgttyb *) &tcbuf) < 0)
- {
- return -1;
- }
-
- /* Minix input flags:
- * BRKINT: forced off (break is not recognized)
- * IGNBRK: forced on (break is not recognized)
- * ICRNL: set if CRMOD is set and not RAW (CRMOD also controls output)
- * IGNCR: forced off (ignoring cr's is not supported)
- * INLCR: forced off (mapping nl's to cr's is not supported)
- * ISTRIP: forced off (should be off for consoles, on for rs232 no RAW)
- * IXOFF: forced off (rs232 uses CTS instead of XON/XOFF)
- * IXON: forced on if not RAW
- * PARMRK: forced off (no '\377', '\0', X sequence on errors)
- * ? IGNPAR: forced off (input with parity/framing errors is kept)
- * ? INPCK: forced off (input parity checking is not supported)
- */
- termios_p->c_iflag = IGNBRK;
- if (!(sgbuf.sg_flags & RAW))
- {
- termios_p->c_iflag |= IXON;
- if (sgbuf.sg_flags & CRMOD)
- {
- termios_p->c_iflag |= ICRNL;
- }
- }
-
- /* Minix output flags:
- * OPOST: set if CRMOD or XTABS is set
- * XTABS: copied from sg_flags
- * CRMOD: copied from sg_flags
- */
- termios_p->c_oflag = sgbuf.sg_flags & (CRMOD | XTABS);
- if (termios_p->c_oflag)
- {
- termios_p->c_oflag |= OPOST;
- }
-
- /* Minix local flags:
- * ECHO: set if ECHO is set
- * ECHOE: set if ECHO is set (ERASE echoed as error-corecting backspace)
- * ECHOK: set if ECHO is set ('\n' echoed after KILL char)
- * ECHONL: forced off ('\n' not echoed when ECHO isn't set)
- * ICANON: set if neither CBREAK nor RAW
- * IEXTEN: forced off
- * ISIG: set if not RAW
- * NOFLSH: forced off (input/output queues are always flushed)
- * TOSTOP: forced off (no job control)
- */
- termios_p->c_lflag = 0;
- if (sgbuf.sg_flags & ECHO)
- {
- termios_p->c_lflag |= T_ECHO | ECHOE | ECHOK;
- }
- if (!(sgbuf.sg_flags & RAW))
- {
- termios_p->c_lflag |= ISIG;
- if (!(sgbuf.sg_flags & CBREAK))
- {
- termios_p->c_lflag |= ICANON;
- }
- }
-
- /* Minix control flags:
- * CLOCAL: forced on (ignore modem status lines - not quite right)
- * CREAD: forced on (receiver is always enabled)
- * CSIZE: CS5-CS8 correspond directly to BITS5-BITS8
- * CSTOPB: set for B110 (driver will generate 2 stop-bits than)
- * HUPCL: forced off
- * PARENB: set if EVENP or ODDP is set
- * PARODD: set if ODDP is set
- */
- termios_p->c_cflag = CLOCAL | CREAD;
- switch (sgbuf.sg_flags & BITS8)
- {
- case BITS5: termios_p->c_cflag |= CS5; break;
- case BITS6: termios_p->c_cflag |= CS6; break;
- case BITS7: termios_p->c_cflag |= CS7; break;
- case BITS8: termios_p->c_cflag |= CS8; break;
- }
- if (sgbuf.sg_flags & ODDP)
- {
- termios_p->c_cflag |= PARENB | PARODD;
- }
- if (sgbuf.sg_flags & EVENP)
- {
- termios_p->c_cflag |= PARENB;
- }
- if (sgbuf.sg_ispeed == B110)
- {
- termios_p->c_cflag |= CSTOPB;
- }
-
- /* Minix may give back different input and output baudrates,
- * but only the input baudrate is valid for both.
- * As our termios emulation will fail, if input baudrate differs
- * from output baudrate, force them to be equal.
- * Otherwise it would be very suprisingly not to be able to set
- * the terminal back to the state returned by tcgetattr :).
- */
- termios_p->c_ospeed =
- termios_p->c_ispeed =
- sg_to_tc_speed((unsigned char) sgbuf.sg_ispeed);
-
- /* Minix control characters correspond directly except VSUSP and the
- * important VMIN and VTIME are not really supported.
- */
- termios_p->c_cc[VEOF] = tcbuf.t_eofc;
- termios_p->c_cc[VEOL] = tcbuf.t_brkc;
- termios_p->c_cc[VERASE] = sgbuf.sg_erase;
- termios_p->c_cc[VINTR] = tcbuf.t_intrc;
- termios_p->c_cc[VKILL] = sgbuf.sg_kill;
- termios_p->c_cc[VQUIT] = tcbuf.t_quitc;
- termios_p->c_cc[VSTART] = tcbuf.t_startc;
- termios_p->c_cc[VSTOP] = tcbuf.t_stopc;
- termios_p->c_cc[VMIN] = 1;
- termios_p->c_cc[VTIME] = 0;
- termios_p->c_cc[VSUSP] = 0;
-
- return 0;
-}
-
-int tcsetattr(filedes, opt_actions, termios_p)
-int filedes;
-int opt_actions;
-struct termios *termios_p;
-{
- struct sgttyb sgbuf;
- struct tchars tcbuf;
- int sgspeed;
-
- /* Posix 1003.1-1988 page 135 says:
- * Attempts to set unsupported baud rates shall be ignored, and it is
- * implementation-defined whether an error is returned by any or all of
- * cfsetispeed(), cfsetospeed(), or tcsetattr(). This refers both to
- * changes to baud rates not supported by the hardware, and to changes
- * setting the input and output baud rates to different values if the
- * hardware does not support it.
- * Ignoring means not to change the existing settings, doesn't it?
- */
- if ((termios_p->c_ispeed != 0 && termios_p->c_ispeed != termios_p->c_ospeed)
- || (sgspeed = tc_to_sg_speed(termios_p->c_ospeed)) < 0)
- {
- errno = EINVAL;
- return -1;
- }
-
- sgbuf.sg_ispeed = sgbuf.sg_ospeed = sgspeed;
- sgbuf.sg_flags = 0;
-
- /* I don't know what should happen with requests that are not supported by
- * old Minix drivers and therefore cannot be emulated.
- * Returning an error may confuse the application (the values aren't really
- * invalid or unsupported by the hardware, they just couldn't be satisfied
- * by the driver). Not returning an error might be even worse because the
- * driver will act different to what the application requires it to act
- * after sucessfully setting the attributes as specified.
- * Settings that cannot be emulated fully include:
- * c_ospeed != 110 && c_cflag & CSTOPB
- * c_ospeed == 110 && ! c_cflag & CSTOPB
- * (c_cc[VMIN] != 1 || c_cc[VTIME] != 0) && ! c_lflag & ICANON
- * c_lflag & ICANON && ! c_lflag & ISIG
- * For the moment I just ignore these conflicts.
- */
-
- if (termios_p->c_oflag & OPOST)
- {
- /* CRMOD isn't Posix and may conflict with ICRNL, which is Posix,
- * so we just ignore it.
- */
- if (termios_p->c_oflag & XTABS)
- {
- sgbuf.sg_flags |= XTABS;
- }
- }
-
- if (termios_p->c_iflag & ICRNL)
- {
- /* We couldn't do it better :-(. */
- sgbuf.sg_flags |= CRMOD;
- }
-
- if (termios_p->c_lflag & T_ECHO)
- {
- sgbuf.sg_flags |= ECHO;
- }
- if (!(termios_p->c_lflag & ICANON))
- {
- if (termios_p->c_lflag & ISIG)
- {
- sgbuf.sg_flags |= CBREAK;
- }
- else
- {
- sgbuf.sg_flags |= RAW;
- }
- }
-
- switch (termios_p->c_cflag & CSIZE)
- {
- case CS5: sgbuf.sg_flags |= BITS5; break;
- case CS6: sgbuf.sg_flags |= BITS6; break;
- case CS7: sgbuf.sg_flags |= BITS7; break;
- case CS8: sgbuf.sg_flags |= BITS8; break;
- }
- if (termios_p->c_cflag & PARENB)
- {
- if (termios_p->c_cflag & PARODD)
- {
- sgbuf.sg_flags |= ODDP;
- }
- else
- {
- sgbuf.sg_flags |= EVENP;
- }
- }
-
- sgbuf.sg_erase = termios_p->c_cc[VERASE];
- sgbuf.sg_kill = termios_p->c_cc[VKILL];
-
- tcbuf.t_intrc = termios_p->c_cc[VINTR];
- tcbuf.t_quitc = termios_p->c_cc[VQUIT];
- tcbuf.t_startc = termios_p->c_cc[VSTART];
- tcbuf.t_stopc = termios_p->c_cc[VSTOP];
- tcbuf.t_eofc = termios_p->c_cc[VEOF];
- tcbuf.t_brkc = termios_p->c_cc[VEOL];
-
- return ioctl(filedes, TIOCSETP, &sgbuf) < 0 &&
- ioctl(filedes, TIOCSETC, (struct sgttyb *) &tcbuf) < 0 ?
- -1 : 0;
-}
-#endif /* _MINIX */
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