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736fc28680
I've noticed various terminal emulators that need to obtain a sane default termios structure use very complex `hacks'. Even though POSIX doesn't provide any functionality for this, extend our termios API with cfmakesane(3), which is similar to the commonly supported cfmakeraw(3), except that it fills the termios structure with sane defaults. Change all code in our base system to use this function, instead of depending on <sys/ttydefaults.h> to provide TTYDEF_*.
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/*-
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* Copyright (c) 1988, 1989, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)termios.h 8.3 (Berkeley) 3/28/94
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* $FreeBSD$
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*/
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#ifndef _TERMIOS_H_
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#define _TERMIOS_H_
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#include <sys/cdefs.h>
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#include <sys/_termios.h>
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#include <sys/_types.h>
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#ifndef _PID_T_DECLARED
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typedef __pid_t pid_t;
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#define _PID_T_DECLARED
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#endif
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#ifndef _POSIX_SOURCE
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#define OXTABS TAB3
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#define MDMBUF CCAR_OFLOW
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#endif
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#ifndef _POSIX_SOURCE
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#define CCEQ(val, c) ((c) == (val) && (val) != _POSIX_VDISABLE)
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#endif
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/*
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* Commands passed to tcsetattr() for setting the termios structure.
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*/
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#define TCSANOW 0 /* make change immediate */
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#define TCSADRAIN 1 /* drain output, then change */
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#define TCSAFLUSH 2 /* drain output, flush input */
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#ifndef _POSIX_SOURCE
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#define TCSASOFT 0x10 /* flag - don't alter h.w. state */
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#endif
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#define TCIFLUSH 1
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#define TCOFLUSH 2
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#define TCIOFLUSH 3
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#define TCOOFF 1
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#define TCOON 2
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#define TCIOFF 3
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#define TCION 4
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__BEGIN_DECLS
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speed_t cfgetispeed(const struct termios *);
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speed_t cfgetospeed(const struct termios *);
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int cfsetispeed(struct termios *, speed_t);
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int cfsetospeed(struct termios *, speed_t);
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int tcgetattr(int, struct termios *);
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int tcsetattr(int, int, const struct termios *);
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int tcdrain(int);
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int tcflow(int, int);
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int tcflush(int, int);
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int tcsendbreak(int, int);
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#if __POSIX_VISIBLE >= 200112 || __BSD_VISIBLE
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pid_t tcgetsid(int);
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#endif
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#if __BSD_VISIBLE
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int tcsetsid(int, pid_t);
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void cfmakeraw(struct termios *);
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void cfmakesane(struct termios *);
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int cfsetspeed(struct termios *, speed_t);
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#endif
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__END_DECLS
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#endif /* !_TERMIOS_H_ */
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#ifndef _POSIX_SOURCE
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#include <sys/ttycom.h>
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#include <sys/ttydefaults.h>
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#endif
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