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machdefs.h
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/* -*-C-*- machdefs.h */
/*-->machdefs*/
/**********************************************************************/
/****************************** machdefs ******************************/
/**********************************************************************/
/*--------------------------------------------------------------------*/
/* Modified for use with DVIDECW driver (13.02.90) */
/* Changed FONTPATH, FONTLIST and DVIHELP symbols for OS_VMS */
/*--------------------------------------------------------------------*/
/*--------------------------------------------------------------------*/
/* Modified for use with MGR under OS-9/68k */
/* Added new symbols OS_OSK and OSK_MGR. 23-Jun-1993 lcs */
/*--------------------------------------------------------------------*/
/***********************************************************************
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
This file should contain definitions for symbols used for all operating
system / implementation dependencies, and if the driver family has
already been implemented on you machine, this should be the only file
requiring changes.
How to change this file:
* locate the operating system and implementation definitions;
they are surrounded by "=====" comment strings.
* comment out the definitions you do not want, and select the
ones for your system
* if adding a new operating system, create a new symbol OS_xxx
for it and add a new #if OS_xxx ... #endif section for its
changes.
* if adding a new implementation for an existing operating
system, create a new symbol for it and add appropriate
conditionals inside its #if OS_xxx ... #end section.
* if you must replace a standard C library function, replace
instances of its use in the source code with an upper-case
equivalent (e.g. ungetc --> UNGETC), then define the
upper-case name below in the generic section, plus the
operating-system section.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
List of symbols actually used for #if's [14-Aug-87]
Flags and strings:
ALLOW_INTERRUPT -- allow interactive interrupt
ANSI_PROTOTYPES -- draft ANSI C function prototype declarations are
supported
ANSI_LIBRARY -- draft ANSI C library functions conformance
ARITHRSHIFT -- implementation uses arithmetic (not logical) right
shift
DVIHELP -- how to find documentation (for usage())
DVIPREFIX -- prefix to standard 3-character extension of output
and log files
FASTZERO -- fast bitmap zeroing by external assembly language
routine
FONTLIST -- font type search list (PK, GF, PXL)
FONTPATH -- font directory path
HIRES -- high resolution variant of bitmap output
HOST_WORD_SIZE -- host integer word size in bits
PS_MAXWIDTH -- approximate line width limit for PostScript output
PS_SHORTLINES -- shorter output lines in PostScript
PS_XONXOFFBUG -- PostScript version 23.0 Xon/Xoff bug workaround
PXLID -- TeX PXL file ID
RB_OPEN -- fopen() mode flags for binary read
SEGMEM -- segmented memory (Intel); bitmap is raster vector
STDRES -- standard resolution (200 dpi)
SUBPATH -- substitution font file path
TEXFONTS -- TeX font file path environment variable
TEXINPUTS -- TeX input file path environment variable
USEGLOBALMAG -- allow runtime global magnification scaling
VIRTUAL_FONTS -- implement virtual font caching
WB_OPEN -- fopen() mode flags for binary write
ZAPTHISOUT -- remove some obsolete code
Alternate library routines for misfeature workarounds (these have the
same names as standard library routines, but upper-cased):
EXIT
FOPEN
FSEEK
FTELL
GETENV
MALLOC(n)
READ
REWIND(fp)
UNGETC
C Implementations:
ATT -- AT&T Unix (System III, V)
BSD41 -- Berkeley 4.1BSD
BSD42 -- Berkeley 4.2BSD
HPUX -- HP 9000 series Unix (System V based)
IBM_PC_LATTICE -- IBM PC Lattice C compiler
IBM_PC_MICROSOFT-- IBM PC Microsoft Version 3.x or later C compiler
IBM_PC_WIZARD -- IBM PC Wizard C compiler
KCC_20 -- SRI's KCC Compiler on TOPS-20
PCC_20 -- Portable C Compiler on TOPS-20
Operating systems:
OS_ATARI -- Atari 520ST+ TOS (similar to MS DOS)
OS_OSK -- Microware OS-9/68k
OS_PCDOS -- IBM (and clones) PC DOS and MS DOS
OS_TOPS20 -- DEC-20 TOPS-20
OS_UNIX -- Unix (almost any variant)
OS_VAXVMS -- VAX VMS
Device names (defined in each DVIxxx.C file):
APPLEIMAGEWRITER -- Apple ImageWriter printer
BBNBITGRAPH -- BBN BitGraph terminal
CANON_A2 -- Canon LBP-8 A2 laser printer
DECLA75 -- DEC LA75 printer
DECLN03PLUS -- DEC LN03-PLUS laser printer
EPSON -- Epson 9-pin family dot-matrix printer
GOLDENDAWNGL100 -- Golden Dawn GL100 laser printer
HPJETPLUS -- Hewlett-Packard Laser Jet Plus (downloaded fonts)
HPLASERJET -- Hewlett-Packard Laser Jet (bitmap display)
IMPRESS -- imPRESS (IMAGEN laser printer)
MPISPRINTER -- MPI Sprinter printer
OKIDATA2410 -- OKIData 2410 printer
POSTSCRIPT -- Adobe PostScript (Apple LaserWriter laser printer)
PRINTRONIX -- Printronix (DEC LXY-11, C-Itoh) printer
TOSHIBAP1351 -- Toshiba P-1351 dot matrix printer
***********************************************************************/
/**********************************************************************
Define all symbols for devices, operating systems, and implementations
to be explicitly 0, unless it is expected that they might be set at
compile time.
***********************************************************************/
#define ALLOW_INTERRUPT 0
#define ANSI_PROTOTYPES 0
#ifndef ANSI_LIBRARY /* may be specified at compile time */
#define ANSI_LIBRARY 0
#endif
#if ANSI_LIBRARY
#undef ANSI_PROTOTYPES
#define ANSI_PROTOTYPES 1 /* If library conforms, declarations do too */
#endif
#define ARITHRSHIFT 1 /* most C compilers use arithmetic right shift */
#define DISKFULL(fp) (ferror(fp) && (errno == ENOSPC))
#define DVIEXT ".dvi"
#define DVIPREFIX "dvi-"
#define EXIT exit
#define FASTZERO 0
/* The following definitions work for at least PCC-20, BSD 4.2 and 4.3,
and HPUX; VAX VMS has an extra level of indirection. Check the
definition of fileno(fp) in stdio.h; on PCC-20, it is
#define fileno(p) ((p)->_file)
*/
#define FILE_CNT(fp) (fp)->_cnt
#define FILE_BASE(fp) (fp)->_base
#define FILE_PTR(fp) (fp)->_ptr
/* #define FONTLIST 0 -- can be set at compile time */
/* #define FONTPATH 0 -- can be set at compile time */
#define FOPEN fopen
#define FSEEK fseek
#define FTELL ftell
#define GETENV getenv
#define HIRES 0
#define MALLOC(n) malloc(n)
#define MAXDRIFT 2 /* we insist that
abs|(hh-pixel_round(h))<=MAXDRIFT| */
/* MAXOPEN should be 6 less than the system limit on open files,
allowing for files open on stdin, stdout, stderr, .dvi, .dvi-log,
.dvi-xxx, plus MAXOPEN font files. It may be additionally limited by
the amount of memory available for buffers (e.g. IBM PC). */
#define MAXOPEN 14
/* #define PS_MAXWIDTH 72 -- can be set at compile time */
/* #define PS_SHORTLINES 0 -- can be set at compile time */
#define PS_XONXOFFBUG 0
#define PXLID 0
#define RB_OPEN "r"
/* For virtual font caching to succeed, read() must return the requested
number of bytes, and preferably do this with one system call and no
double buffering. */
#define READ read
/* In many implementations, rewind(fp) is defined as equivalent to
fseek(fp,0L,0). In some, however (e.g. PCC-20, and probably others
based on PCC), it additionally discards input buffer contents, which may
cause unnecessary I/O, and in the case of virtual font caching, clears
the cache. Defining it in terms of fseek() should be okay, but the
implementation of fseek() should be checked. */
#define REWIND(fp) FSEEK(fp,0L,0)
#define SEGMEM 0 /* may be reset by dvixxx for big bitmaps */
#define STDRES 0
/* #define SUBPATH 0 -- can be set at compile time */
#define SUBEXT ".sub"
#define SUBNAME "texfonts"
/* #define TEXFONTS 0 -- can be set at compile time */
/* #define TEXINPUTS 0 -- can be set at compile time */
#define UNGETC ungetc
#define USEGLOBALMAG 0
#define WB_OPEN "w"
#define ZAPTHISOUT 0
/**********************************************************************/
/* Clear all implementation/operating-system flags--reset later */
#define ATT 0 /* define zero or one of these */
#define BSD41 0
#define BSD42 0
#define HPUX 0
#define IBM_PC_LATTICE 0
#define IBM_PC_MICROSOFT 0
#define IBM_PC_WIZARD 0
#define KCC_20 0
#define PCC_20 0
#define OS_ATARI 0 /* define one of these */
#define OS_OSK 1
#define OS_PCDOS 0
#define OS_TOPS20 0
#define OS_UNIX 0
#define OS_VAXVMS 0
#define APPLEIMAGEWRITER 0 /* one will be defined by DVIxxx */
#define BBNBITGRAPH 0
#define CANON_A2 0
#define DECLA75 0
#define DECLN03PLUS 0
#define EPSON 0
#define GOLDENDAWNGL100 0
#define HPJETPLUS 0
#define HPLASERJET 0
#define IMPRESS 0
#define MPISPRINTER 0
#define OKIDATA2410 0
#define POSTSCRIPT 0
#define PRINTRONIX 0
#define TOSHIBAP1351 0
#define VIRTUAL_FONTS 0
/***********************************************************************
Define operating system and implementation here. Since these have all
been explicitly set to 0 above, we issue #undef's to avoid compiler
macro redefinition warning messages.
***********************************************************************/
/*====================
#undef PCC_20
#undef OS_TOPS20
#define PCC_20 1
#define OS_TOPS20 1
====================*/
/*====================
#undef KCC_20
#undef OS_TOPS20
#define KCC_20 1
#define OS_TOPS20 1
====================*/
/*====================
#undef OS_ATARI
#define OS_ATARI 1
====================*/
#undef OS_OSK
#define OS_OSK 1
/*====================
#undef IBM_PC_LATTICE
#undef OS_PCDOS
#define IBM_PC_LATTICE 1
#define OS_PCDOS 1
====================*/
/*
#undef IBM_PC_MICROSOFT
#undef OS_PCDOS
#define IBM_PC_MICROSOFT 1
#define OS_PCDOS 1
*/
/*====================
#undef IBM_PC_WIZARD
#undef OS_PCDOS
#define IBM_PC_WIZARD 1
#define OS_PCDOS 1
====================*/
/*====================
#undef OS_VAXVMS
#define OS_VAXVMS 1
====================*/
#if (OS_ATARI | OS_OSK | OS_PCDOS | OS_TOPS20 | OS_UNIX | OS_VAXVMS)
#else
#undef OS_UNIX
#define OS_UNIX 1 /* provide default operating system */
#endif
/**********************************************************************/
#if OS_ATARI
#undef BSD42
#define BSD42 1
#undef DISKFULL
#define DISKFULL(fp) ferror(fp)
#define DVIHELP "type e:\\tex\\dvi.hlp"
#ifdef FONTLIST /* can be set at compile time */
#else
#define FONTLIST "PK-GF-PXL" /* preferred search order */
#endif /* FONTLIST */
#ifdef FONTPATH /* can be set at compile time */
#else
#define FONTPATH "e:\\tex\\fonts\\"
#endif
#define HOST_WORD_SIZE 32 /* must be 32 or larger -- used in */
/* signex to pack 8-bit bytes back */
/* into integer values, and in dispchar */
/* and fillrect for managing character */
/* raster storage. */
#define MAXFNAME 64 /* longest host complete filename */
#ifndef PS_MAXWIDTH
#define PS_MAXWIDTH 72
#endif
#ifndef PS_SHORTLINES
#define PS_SHORTLINES 1
#endif
#ifdef SUBPATH /* can be set at compile time */
#else
#define SUBPATH "e:\\tex\\inputs\\"
#endif
#ifdef TEXINPUTS /* can be set at compile time */
#else
#define TEXINPUTS "TEXINPUTS"
#endif
#define TEXFONTS "TEXFONTS"
#endif /* OS_ATARI */
/**********************************************************************/
#if OS_OSK /* 23-Jun-1993 lcs */
#undef BSD42
#define BSD42 0
#undef DVIPREFIX
#define DVIPREFIX "dvi_log"
#define DVIHELP "man dvimgr"
#ifdef FONTLIST /* can be set at compile time */
#else
#define FONTLIST "PK-GF-PXL" /* preferred search order */
#endif /* FONTLIST */
#ifdef FONTPATH /* can be set at compile time */
#else
#define FONTPATH "/h0/usr/system/tex/fonts/"
#endif
#undef MAXOPEN
#define MAXFNAME 256 /* Hope this will be long enough. */
#define MAXOPEN 26
#ifndef PS_MAXWIDTH
#define PS_MAXWIDTH 72
#endif
#ifndef PS_SHORTLINES
#define PS_SHORTLINES 1 /* some Unix utilities fail with long lines */
#endif
#ifdef SUBPATH /* can be set at compile time */
#else
#define SUBPATH "/h0/usr/system/tex/macros/"
#endif
#if TEXINPUTS /* can be set at compile time */
#else
#define TEXINPUTS "TEXINPUTS"
#endif
#if TEXFONTS /* can be set at compile time */
#else
#define TEXFONTS "TEXFONTS"
#endif
#define HOST_WORD_SIZE 32 /* must be 32 or larger -- used in */
/* signex to pack 8-bit bytes back */
/* into integer values, and in dispchar */
/* and fillrect for managing character */
/* raster storage. */
#endif /* OS_OSK */
/**********************************************************************/
#if OS_PCDOS
#if IBM_PC_MICROSOFT
#undef ANSI_PROTOTYPES
#define ANSI_PROTOTYPES 1
/*
Argument type checking in MSC Version 4.0 is selected by LINT_ARGS.
MSC Version 5.0 has it selected by default. For Version 5.0,
ANSI_LIBRARY should be defined at compile time so as to get
ANSI-conformant library function declarations.
Treating float as double eliminates lots of data conversion warnings with
both Versions 4.0 and 5.0.
*/
#define float double
#define LINT_ARGS 1
#undef MALLOC
#define MALLOC(n) calloc(n,1)
#endif /* IBM_PC_MICROSOFT */
#define DVIHELP "type d:\\tex\\dvi.hlp"
#undef DVIPREFIX
#define DVIPREFIX ""
#ifdef FONTLIST /* can be set at compile time */
#else
#define FONTLIST "PK-GF-PXL" /* preferred search order */
#endif /* FONTLIST */
#ifdef FONTPATH /* can be set at compile time */
#else
#define FONTPATH "d:\\tex\\fonts\\"
#endif /* FONTPATH */
#define HOST_WORD_SIZE 32 /* must be 32 or larger -- used in */
/* signex to pack 8-bit bytes back */
/* into integer values, and in dispchar */
/* and fillrect for managing character */
/* raster storage. */
#define MAXFNAME 64 /* longest host complete filename */
#undef MAXOPEN
#define MAXOPEN 5 /* limit on number of open font files */
#ifndef PS_MAXWIDTH
#define PS_MAXWIDTH 72
#endif
#ifndef PS_SHORTLINES
#define PS_SHORTLINES 1
#endif
#undef RB_OPEN
#define RB_OPEN "rb"
#ifdef SUBPATH /* can be set at compile time */
#else
#define SUBPATH "d:\\tex\\inputs\\"
#endif
#if TEXINPUTS /* can be set at compile time */
#else
#define TEXINPUTS "TEXINPUTS"
#endif
#define TEXFONTS "TEXFONTS"
#if IBM_PC_MICROSOFT
#undef VIRTUAL_FONTS
#define VIRTUAL_FONTS 1
#endif
#undef WB_OPEN
#define WB_OPEN "wb"
#endif /* OS_PCDOS */
/***********************************************************************/
#if OS_TOPS20
/************************************************************************
**
** Adapted for the DEC-20 TOPS-20 operating system with Jay Lepreau's
** PCC-20 by Nelson H.F. Beebe, College of Science Computer,
** University of Utah, Salt Lake City, UT 84112, Tel: (801) 581-5254.
**
** The PCC_20 switch is used to get around variations on the DEC-20.
** The major one is that text files have 7-bit bytes, while the .DVI
** file and the font files have 8-bit bytes. For the latter, we use a
** routine f20open which provides the necessary interface for opening
** with a ddifferent byte size. PCC-20 follows many other C compilers
** in that only the first 8 characters of identifiers are looked at, so
** massive substitutions were necessary in the file commands.h to
** shorten the long names there.
**
** The PCC_20 switch is also used to get variant font directory names
** and to select TOPS-20 jsys code. TOPS-20 is a wonderous operating
** system with capabilities far beyond most of its contemporaries.
** Like Topsy, it just grew, and consequently, its many capabilities
** are not well integrated. The terminal control jsys'es (MTOPR,
** RFMOD, SFMOD, STPAR, RFCOC, SFCOC and TLINK) are particularly poorly
** done -- RFMOD returns the JFN mode word, particular bits of which
** must be set by SFMOD, STPAR, and TLINK. Why could there not be a
** "return the terminal state" and "restore the terminal state"
** jsys'es? Some of this may in fact be already integrated into the
** PCC-20 C run-time library, but since it is totally undocumented (an
** all-too common problem with C), it is essentially unusable in that
** form.
**
** The OS_TOPS20 switch is used in one place to get ioctl.h included at
** the right point, and in several places to get error messages output
** with Tops-20 conventions in column 1: query (?) causes batch job
** abort, percent (%) flags a warning.
**
***********************************************************************/
#if KCC_20
/* KCC wants all #if symbols defined before use. */
#ifndef FONTLIST
#define FONTLIST "PK-GF-PXL"
#endif
#ifndef FONTPATH
#define FONTPATH "TEXFONTS:"
#endif
#ifndef SUBPATH
#define SUBPATH "TEXINPUTS:"
#endif
#ifndef TEXFONTS
#define TEXFONTS "TEXFONTS:"
#endif
#ifndef TEXINPUTS
#define TEXINPUTS "TEXINPUTS:"
#endif
#undef VIRTUAL_FONTS
#define VIRTUAL_FONTS 0 /* cannot support this yet */
#endif
#if KCC_20
#include <jsys.h>
/* KCC-20 and PCC-20 have similar enough JSYS interfaces that we just
define values for KCC-20 using PCC-20 names. */
#define JSchfdb CHFDB
#define JSmtopr MTOPR
#define JSrfcoc RFCOC
#define JSrfmod RFMOD
#define JSsfcoc SFCOC
#define JSsfmod SFMOD
#define JSsti STI
#define JSstpar STPAR
#define JStlink TLINK
#define Getmask(name) ( 1?name )
#define Getshift(name) ( 0?name )
#define Absmask(name) ( (1?name) << (0?name) ) /* maybe use this one */
#define Value(name) ( (1?name) << (0?name) ) /* maybe use this one */
#define makefield(name, value) ( ((value) & Getmask(name)) << Getshift(name) )
#define getfield(var, name) ( (var) >> Getshift(name) & Getmask(name) )
#define setfield(var, name, value) ( (var) = ((var) & ~Absmask(name)) |\
makefield(name, value) )
#endif
#if PCC_20
#undef ARITHRSHIFT
#define ARITHRSHIFT 0 /* PCC-20 uses logical right shift */
#undef DISKFULL
#define DISKFULL(fp) ferror(fp) /* PCC-20 does not always set errno */
#endif
#define DVIHELP "help dvi\nor\ntype hlp:dvi.hlp\nor\nxinfo local clsc dvi"
#if PCC_20
#undef FASTZERO
#define FASTZERO 1 /* for fast assembly language memory zeroing */
#endif
#ifdef FONTLIST /* can be set at compile time */
#else
#define FONTLIST "PK-GF-PXL" /* preferred search order */
#endif /* FONTLIST */
#ifdef FONTPATH /* can be set at compile time */
#else
#define FONTPATH "/texfonts/"
#endif
#undef FOPEN
#define FOPEN f20open /* private version for 8-bit binary */
#define HOST_WORD_SIZE 36
#undef MAXFNAME
#define MAXFNAME 256 /* longest host complete filename */
#ifdef KCC_20
#undef MAXOPEN
#define MAXOPEN 26
#endif
#ifdef PCC_20
#undef MAXOPEN
#define MAXOPEN 14
#endif
#ifndef PS_MAXWIDTH
#define PS_MAXWIDTH 72
#endif
#ifndef PS_SHORTLINES
#define PS_SHORTLINES 1
#endif
#undef RB_OPEN
#define RB_OPEN "rb"
#ifdef PCC_20
#undef READ
#define READ _read /* fast version with one system call */
#endif
/* and single buffering */
#ifdef SUBPATH
#else
#define SUBPATH "/texinputs/"
#endif
#ifdef TEXFONTS /* can be set at compile time */
#else
#define TEXFONTS "TEXFONTS"
#endif
#ifdef TEXINPUTS /* can be set at compile time */
#else
#define TEXINPUTS "TEXINPUTS"
#endif
#if PCC_20
#undef VIRTUAL_FONTS
#define VIRTUAL_FONTS 1
#endif
#undef WB_OPEN
#define WB_OPEN "wb"
/**********************************************************************/
/* The following definitions (down to the endif) are taken from */
/* monsym.h. It is too big for CPP to handle, so this kludge is */
/* necessary until CPP's tables can be enlarged. */
/* selected fields for CHFDB% */
#define CF_nud 01:35-0 /* no update directory */
#define CF_dsp 0777:35-17 /* fdb displacement */
#define CF_jfn 0777777:35-35 /* jfn */
#define FBbyv 011 /* retention+bytesize+mode,,# of pages*/
#define FB_ret 077:35-5 /* retention count */
/* tty mode definitions */
#define MOrlw 030 /* read width */
#define MOslw 031 /* set width */
#define MOrll 032 /* read length */
#define MOsll 033 /* set length */
#define MOsnt 034 /* set tty non-terminal status */
#define MOsmn 01 /* no system messages(i.e. suppress) */
#define MOsmy 00 /* yes system messages(default) */
#define MOrnt 035 /* read tty non-terminal status */
/* fields of jfn mode word */
#define TT_osp 01:35-0 /* output suppress */
#define TT_mff 01:35-1 /* mechanical formfeed present */
#define TT_tab 01:35-2 /* mechanical tab present */
#define TT_lca 01:35-3 /* lower case capabilities present */
#define TT_len 0177:35-10 /* page length */
#define TT_wid 0177:35-17 /* page width */
#define TT_wak 017:35-23 /* wakeup field */
#define TT_wk0 01:35-18 /* wakeup class 0 (unused) */
#define TT_ign 01:35-19 /* ignore tt_wak on sfmod */
#define TT_wkf 01:35-20 /* wakeup on formating control chars */
#define TT_wkn 01:35-21 /* wakeup on non-formatting controls */
#define TT_wkp 01:35-22 /* wakeup on punctuation */
#define TT_wka 01:35-23 /* wakeup on alphanumerics */
#define TT_eco 01:35-24 /* echos on */
#define TT_ecm 01:35-25 /* echo mode */
#define TT_alk 01:35-26 /* allow links */
#define TT_aad 01:35-27 /* allow advice (not implemented) */
#define TT_dam 03:35-29 /* data mode */
#define TTbin 00 /* binary */
#define TTasc 01 /* ascii */
#define TTato 02 /* ascii and translate output only */
#define TTate 03 /* ascii and translate echos only */
#define TT_uoc 01:35-30 /* upper case output control */
#define TT_lic 01:35-31 /* lower case input control */
#define TT_dum 03:35-33 /* duplex mode */
#define TTfdx 00 /* full duplex */
#define TT0dx 01 /* not used, reserved */
#define TThdx 02 /* half duplex (character) */
#define TTldx 03 /* line half duplex */
#define TT_pgm 01:35-34 /* page mode */
#define TT_car 01:35-35 /* carrier state */
/* tlink */
#define TL_cro 01:35-0 /* clear remote to object link */
#define TL_cor 01:35-1 /* clear object to remote link */
#define TL_eor 01:35-2 /* establist object to remote link */
#define TL_ero 01:35-3 /* establish remote to object link */
#define TL_sab 01:35-4 /* set accept bit for object */
#define TL_abs 01:35-5 /* accept bit state */
#define TL_sta 01:35-6 /* set or clear advice */
#define TL_aad 01:35-7 /* accept advice */
#define TL_obj 0777777:35-35 /* object designator */
#endif /* OS_TOPS20 */
/**********************************************************************/
#if OS_UNIX
#undef BSD42
#define BSD42 1 /* want DVISPOOL code in dviterm.h */
#define DVIHELP "man dvi\nor\napropos dvi"
#ifdef FONTLIST /* can be set at compile time */
#else
#define FONTLIST "PK-GF-PXL" /* preferred search order */
#endif /* FONTLIST */
#ifdef FONTPATH /* can be set at compile time */
#else
#define FONTPATH "/usr/lib/tex/fonts/"
#endif
#undef MAXOPEN
#if HPUX
#define MAXFNAME 1024 /* longest host complete filename */
#define MAXOPEN 50
#else /* NOT HPUX */
#define MAXFNAME 256 /* longest host complete filename */
#define MAXOPEN 14
#endif /* HPUX */
#ifndef PS_MAXWIDTH
#define PS_MAXWIDTH 72
#endif
#ifndef PS_SHORTLINES
#define PS_SHORTLINES 1 /* some Unix utilities fail with long lines */
#endif
#ifdef SUBPATH /* can be set at compile time */
#else
#define SUBPATH "/usr/lib/tex/macros/"
#endif
#if TEXINPUTS /* can be set at compile time */
#else
#define TEXINPUTS "TEXINPUTS"
#endif
#if TEXFONTS /* can be set at compile time */
#else
#define TEXFONTS "TEXFONTS"
#endif
#define HOST_WORD_SIZE 32 /* must be 32 or larger -- used in */
/* signex to pack 8-bit bytes back */
/* into integer values, and in dispchar */
/* and fillrect for managing character */
/* raster storage. */
#endif /* OS_UNIX */
/**********************************************************************/
#if OS_VAXVMS
/***********************************************************************
** Several standard Unix library functions do not work properly with VMS
** C, or are not implemented:
**
** exit() -- wrong conventions for return code
** fseek() -- fails on record-oriented files
** ftell() -- fails on record-oriented files
** getchar() -- waits for <CR> to be typed
** getenv() -- colon- and case-sensitive
** getlogin() -- not implemented
** qsort() -- not implemented
** tell() -- not implemented
** ungetc() -- fails for any character with high-order bit set
** unlink() -- not implemented (equivalent available)
**
** The file VAXVMS.C contains workarounds; it must be compiled
** separately and loaded with each of the DVI drivers.
***********************************************************************/
#include <jpidef.h> /* need for getjpi() in openfont() */
#define DVIHELP "type tex$doc:DVIXXX.hlp"
#define EXIT vms_exit
#define FILE_CNT(fp) (*fp)->_cnt
#define FILE_BASE(fp) (*fp)->_base
#define FILE_PTR(fp) (*fp)->_ptr
#ifndef FONTLIST /* can be set at compile time */
#define FONTLIST "PK" /* preferred search order */
#endif /* FONTLIST */
#ifndef FONTPATH /* can be set at compile time */
#define FONTPATH "TEX_FONTS:" /* Kellerman & Smith VMS TeX */
#endif /* FONTPATH */
#define FSEEK vms_fseek
#define FTELL vms_ftell
#define GETENV vms_getenv
#define HOST_WORD_SIZE 32 /* must be 32 or larger -- used in */
/* signex to pack 8-bit bytes back */
/* into integer values, and in dispchar */
/* and fillrect for managing character */
/* raster storage. */
#define MAXFNAME 256 /* longest host complete filename */
#undef MAXOPEN
#define MAXOPEN 14
#undef RB_OPEN
#define RB_OPEN "rb"
#ifndef PS_MAXWIDTH
#define PS_MAXWIDTH 72
#endif
#ifndef PS_SHORTLINES
#define PS_SHORTLINES 1 /* VMS has trouble with long lines */
#endif
#define READ vms_read /* ordinary read() returns only one disk */
/* at each call */
#ifndef SUBPATH /* can be set at compile time */
#define SUBPATH "TEX_INPUTS:" /* Kellerman & Smith VMS TeX */
#endif
#ifndef TEXINPUTS /* can be set at compile time */
#define TEXINPUTS "TEX_INPUTS:"
#endif
#ifndef TEXFONTS /* can be set at compile time */
#define TEXFONTS "TEX_FONTS:"
#endif
#define UNGETC vms_ungetc
/* VIRTUAL_FONTS cannot be implemented yet. The code works, but the
calls to FSEEK() (vms_seek) result in _filbuf() being called to refill
the buffer, obviating the pre-buffering. Additional code in case 0 of
vms_seek() can probably be developed to avoid this, but I have run out
of time for now. */
#undef WB_OPEN
#define WB_OPEN "wb"
#endif /* OS_VAXVMS */
/**********************************************************************/