278 lines
7.0 KiB
C
278 lines
7.0 KiB
C
/* $XTermId: xterm_io.h,v 1.64 2017/05/18 21:15:14 tom Exp $ */
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/*
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* Copyright 2000-2014,2017 by Thomas E. Dickey
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*
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* All Rights Reserved
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the
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* sale, use or other dealings in this Software without prior written
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* authorization.
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*/
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#ifndef included_xterm_io_h
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#define included_xterm_io_h
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#include <xterm.h>
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/*
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* System-specific definitions (keep these chunks one-per-system!).
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*
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* FIXME: some, such as those defining USE_TERMIOS should be moved to xterm.h
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* as they are integrated with the configure script.
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*/
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#if defined(__minix)
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#define USE_POSIX_TERMIOS 1
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#undef HAVE_POSIX_OPENPT /* present, does not work */
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#endif
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#ifdef CSRG_BASED
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#define USE_TERMIOS
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#endif
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#ifdef __CYGWIN__
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#define ATT
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#define SVR4
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#define SYSV
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#define USE_SYSV_TERMIO
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#endif
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#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__INTERIX) || defined(__APPLE__) || defined(__UNIXWARE__) || defined(__hpux)
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#ifndef USE_POSIX_TERMIOS
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#define USE_POSIX_TERMIOS
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#endif
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#endif
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#if defined(AIXV4)
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#define USE_POSIX_TERMIOS
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#ifndef SYSV
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#define SYSV
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#endif
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#endif
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#ifdef linux
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#define USE_TERMIOS
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#endif
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#ifdef __SCO__
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#define USE_TERMIOS
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#ifndef _SVID3
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#define _SVID3
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#endif
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#endif
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#ifdef Lynx
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#define USE_SYSV_TERMIO
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#endif
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#ifdef macII
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#undef SYSV /* pretend to be bsd (sgtty.h) */
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#endif /* macII */
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#if defined(__GLIBC__) && !defined(linux)
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#define USE_POSIX_TERMIOS /* GNU/Hurd, GNU/KFreeBSD and GNU/KNetBSD */
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#endif
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#ifdef __MVS__
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#define SVR4
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#define USE_POSIX_TERMIOS
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#endif
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#ifdef __QNX__
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#define USE_POSIX_TERMIOS
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#endif
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#if defined(__osf__)
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#define USE_POSIX_TERMIOS
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#undef SYSV
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#endif
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/*
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* Indirect system dependencies
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*/
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#if defined(SVR4) && !defined(__sgi)
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#define USE_TERMIOS
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#endif
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#ifdef SYSV
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#define USE_SYSV_TERMIO
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#endif
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#if defined(USE_POSIX_TERMIOS) && !defined(USE_TERMIOS)
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#define USE_TERMIOS
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#endif
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/*
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* Low-level ioctl, where it is needed or non-conflicting with termio/etc.
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*/
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#ifdef __QNX__
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#include <ioctl.h>
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#else
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#include <sys/ioctl.h>
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#endif
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/*
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* Terminal I/O includes (termio, termios, sgtty headers).
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*/
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#if defined(USE_POSIX_TERMIOS) && !defined(__hpux)
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#include <termios.h>
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#elif defined(USE_TERMIOS)
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#include <termios.h>
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/* this hacked termios support only works on SYSV */
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#define USE_ANY_SYSV_TERMIO
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#define termio termios
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#ifndef __CYGWIN__
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#undef TCGETA
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#define TCGETA TCGETS
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#undef TCSETA
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#define TCSETA TCSETS
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#undef TCSETAW
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#define TCSETAW TCSETSW
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#endif
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#elif defined(USE_SYSV_TERMIO)
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# define USE_ANY_SYSV_TERMIO
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# ifdef Lynx
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# include <termio.h>
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# else
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# include <sys/termio.h>
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# endif
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#elif defined(SYSV) || defined(ISC)
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# include <sys/termio.h>
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#elif !defined(VMS)
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# include <sgtty.h>
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#endif /* USE_POSIX_TERMIOS */
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/*
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* Stream includes, which declare struct winsize or ttysize.
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*/
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#ifdef SYSV
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#ifdef USE_USG_PTYS
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#include <sys/stream.h> /* get typedef used in ptem.h */
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#ifdef HAVE_SYS_PTEM_H
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#include <sys/ptem.h> /* get struct winsize */
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#endif
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#endif /* USE_USG_PTYS */
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#endif /* SYSV */
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/*
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* Special cases (structures and definitions that have to be adjusted).
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*/
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#if defined(__CYGWIN__) && !defined(TIOCSPGRP)
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#include <termios.h>
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#define TIOCSPGRP (_IOW('t', 118, pid_t))
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#endif
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#ifdef __hpux
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#include <sys/bsdtty.h> /* defines TIOCSLTC */
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#endif
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#ifdef ISC
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#define TIOCGPGRP TCGETPGRP
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#define TIOCSPGRP TCSETPGRP
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#endif
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#ifdef Lynx
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#include <resource.h>
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#elif !(defined(SYSV) || defined(linux) || defined(VMS) || (defined(__QNX__)&&!defined(__QNXNTO__)))
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#include <sys/resource.h>
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#endif
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#ifdef macII
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#undef FIOCLEX
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#undef FIONCLEX
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#endif /* macII */
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#if defined(__QNX__) || defined(__GNU__) || defined(__MVS__) || defined(__osf__)
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#undef TIOCSLTC /* <sgtty.h> conflicts with <termios.h> */
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#undef TIOCSLTC
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#endif
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#if defined (__sgi) || (defined(__linux__) && defined(__sparc__)) || defined(__UNIXWARE__)
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#undef TIOCLSET /* defined, but not useable */
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#endif
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#if defined(sun) || defined(__UNIXWARE__)
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#include <sys/filio.h>
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#endif
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#if defined(TIOCSLTC) && ! (defined(linux) || defined(__MVS__) || defined(Lynx) || defined(SVR4))
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#define HAS_LTCHARS
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#endif
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#if !defined(TTYSIZE_STRUCT)
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#if defined(TIOCSWINSZ)
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#define USE_STRUCT_WINSIZE 1
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#define TTYSIZE_STRUCT struct winsize
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#define GET_TTYSIZE(fd, data) ioctl(fd, TIOCGWINSZ, (char *) &data)
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#define SET_TTYSIZE(fd, data) ioctl(fd, TIOCSWINSZ, (char *) &data)
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#define TTYSIZE_COLS(data) data.ws_col
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#define TTYSIZE_ROWS(data) data.ws_row
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#endif /* TIOCSWINSZ */
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#endif /* TTYSIZE_STRUCT */
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#ifndef USE_STRUCT_WINSIZE
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#error "There is a configuration error with struct winsize ifdef"
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#endif
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/* "resize" depends upon order of assignments in this macro */
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#ifdef USE_STRUCT_WINSIZE
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#define setup_winsize(ts, rows, cols, height, width) \
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(ts).ws_xpixel = (ttySize_t) (width), \
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(ts).ws_ypixel = (ttySize_t) (height), \
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TTYSIZE_ROWS(ts) = (ttySize_t) (rows), \
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TTYSIZE_COLS(ts) = (ttySize_t) (cols)
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#else
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#define setup_winsize(ts, rows, cols, height, width) \
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TTYSIZE_ROWS(ts) = (ttySize_t) (rows), \
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TTYSIZE_COLS(ts) = (ttySize_t) (cols)
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#endif
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#if OPT_TRACE
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#ifdef USE_STRUCT_WINSIZE
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#define trace_winsize(ts, id) \
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TRACE(("%s@%d, TTYSIZE %s chars %dx%d pixels %dx%d\n", \
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__FILE__, __LINE__, id, \
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TTYSIZE_ROWS(ts), TTYSIZE_COLS(ts), (ts).ws_ypixel, (ts).ws_xpixel))
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#else
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#define trace_winsize(ts, id) \
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TRACE(("%s@%d, TTYSIZE %s chars %dx%d\n", __FILE__, __LINE__, id, \
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TTYSIZE_ROWS(ts), TTYSIZE_COLS(ts)))
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#endif
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#define TRACE_GET_TTYSIZE(fd, id) { \
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TTYSIZE_STRUCT debug_ttysize; \
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if (GET_TTYSIZE(fd, debug_ttysize) == 0) \
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trace_winsize(debug_ttysize, id); \
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else \
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TRACE(("%s@%d, TTYSIZE failed %s\n", __FILE__, __LINE__, strerror(errno))); \
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}
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#else
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#define trace_winsize(ts, id) /* nothing */
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#define TRACE_GET_TTYSIZE(fd, id) /* nothing */
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#endif
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typedef unsigned short ttySize_t;
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#endif /* included_xterm_io_h */
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