xref: /illumos-gate/usr/src/cmd/troff/nii.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 1989 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*7c478bd9Sstevel@tonic-gate 
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate /*
34*7c478bd9Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
35*7c478bd9Sstevel@tonic-gate  * The Regents of the University of California
36*7c478bd9Sstevel@tonic-gate  * All Rights Reserved
37*7c478bd9Sstevel@tonic-gate  *
38*7c478bd9Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
39*7c478bd9Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
40*7c478bd9Sstevel@tonic-gate  * contributors.
41*7c478bd9Sstevel@tonic-gate  */
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate #include "tdef.h"
44*7c478bd9Sstevel@tonic-gate #ifdef NROFF
45*7c478bd9Sstevel@tonic-gate #include "tw.h"
46*7c478bd9Sstevel@tonic-gate #endif
47*7c478bd9Sstevel@tonic-gate #include "ext.h"
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate struct 	s *frame, *stk, *ejl;
50*7c478bd9Sstevel@tonic-gate struct	s *nxf;
51*7c478bd9Sstevel@tonic-gate 
52*7c478bd9Sstevel@tonic-gate int	pipeflg;
53*7c478bd9Sstevel@tonic-gate int	hflg;	/* used in nroff only */
54*7c478bd9Sstevel@tonic-gate int	eqflg;	/* used in nroff only */
55*7c478bd9Sstevel@tonic-gate 
56*7c478bd9Sstevel@tonic-gate #ifndef NROFF
57*7c478bd9Sstevel@tonic-gate int	xpts;
58*7c478bd9Sstevel@tonic-gate int	ppts;
59*7c478bd9Sstevel@tonic-gate int	pfont;
60*7c478bd9Sstevel@tonic-gate int	mpts;
61*7c478bd9Sstevel@tonic-gate int	mfont;
62*7c478bd9Sstevel@tonic-gate int	cs;
63*7c478bd9Sstevel@tonic-gate int	ccs;
64*7c478bd9Sstevel@tonic-gate int	bd;
65*7c478bd9Sstevel@tonic-gate #endif
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate int	stdi;
68*7c478bd9Sstevel@tonic-gate int	nofeed;
69*7c478bd9Sstevel@tonic-gate int	quiet;
70*7c478bd9Sstevel@tonic-gate int	stop;
71*7c478bd9Sstevel@tonic-gate char	ibuf[IBUFSZ];
72*7c478bd9Sstevel@tonic-gate char	xbuf[IBUFSZ];
73*7c478bd9Sstevel@tonic-gate char	*ibufp;
74*7c478bd9Sstevel@tonic-gate char	*xbufp;
75*7c478bd9Sstevel@tonic-gate char	*eibuf;
76*7c478bd9Sstevel@tonic-gate char	*xeibuf;
77*7c478bd9Sstevel@tonic-gate tchar	pbbuf[NC];	/* pushback buffer for arguments, \n, etc. */
78*7c478bd9Sstevel@tonic-gate tchar	*pbp = pbbuf;	/* next free slot in pbbuf */
79*7c478bd9Sstevel@tonic-gate tchar	*lastpbp = pbbuf;	/* pbp in previous stack frame */
80*7c478bd9Sstevel@tonic-gate int	nx;
81*7c478bd9Sstevel@tonic-gate int	mflg;
82*7c478bd9Sstevel@tonic-gate tchar	ch = 0;
83*7c478bd9Sstevel@tonic-gate int	ibf;
84*7c478bd9Sstevel@tonic-gate int	ttyod;
85*7c478bd9Sstevel@tonic-gate int	iflg;
86*7c478bd9Sstevel@tonic-gate char	*enda;
87*7c478bd9Sstevel@tonic-gate int	rargc;
88*7c478bd9Sstevel@tonic-gate char	**argp;
89*7c478bd9Sstevel@tonic-gate int	trtab[NTRTAB];
90*7c478bd9Sstevel@tonic-gate int	lgf;
91*7c478bd9Sstevel@tonic-gate int	copyf;
92*7c478bd9Sstevel@tonic-gate filep	ip;
93*7c478bd9Sstevel@tonic-gate int	nlflg;
94*7c478bd9Sstevel@tonic-gate int	donef;
95*7c478bd9Sstevel@tonic-gate int	nflush;
96*7c478bd9Sstevel@tonic-gate int	nfo;
97*7c478bd9Sstevel@tonic-gate int	ifile;
98*7c478bd9Sstevel@tonic-gate int	padc;
99*7c478bd9Sstevel@tonic-gate int	raw;
100*7c478bd9Sstevel@tonic-gate int	ifl[NSO];
101*7c478bd9Sstevel@tonic-gate int	ifi;
102*7c478bd9Sstevel@tonic-gate int	flss;
103*7c478bd9Sstevel@tonic-gate int	nonumb;
104*7c478bd9Sstevel@tonic-gate int	trap;
105*7c478bd9Sstevel@tonic-gate int	tflg;
106*7c478bd9Sstevel@tonic-gate int	ejf;
107*7c478bd9Sstevel@tonic-gate int	gflag;
108*7c478bd9Sstevel@tonic-gate int	dilev;
109*7c478bd9Sstevel@tonic-gate filep	offset;
110*7c478bd9Sstevel@tonic-gate int	em;
111*7c478bd9Sstevel@tonic-gate int	ds;
112*7c478bd9Sstevel@tonic-gate filep	woff;
113*7c478bd9Sstevel@tonic-gate int	app;
114*7c478bd9Sstevel@tonic-gate int	ndone;
115*7c478bd9Sstevel@tonic-gate int	lead;
116*7c478bd9Sstevel@tonic-gate int	ralss;
117*7c478bd9Sstevel@tonic-gate filep	nextb;
118*7c478bd9Sstevel@tonic-gate tchar	nrbits;
119*7c478bd9Sstevel@tonic-gate int	nform;
120*7c478bd9Sstevel@tonic-gate int	oldmn;
121*7c478bd9Sstevel@tonic-gate int	newmn;
122*7c478bd9Sstevel@tonic-gate int	macerr;
123*7c478bd9Sstevel@tonic-gate filep	apptr;
124*7c478bd9Sstevel@tonic-gate int	diflg;
125*7c478bd9Sstevel@tonic-gate filep	roff;
126*7c478bd9Sstevel@tonic-gate int	wbfi;
127*7c478bd9Sstevel@tonic-gate int	evi;
128*7c478bd9Sstevel@tonic-gate int	vflag;
129*7c478bd9Sstevel@tonic-gate int	noscale;
130*7c478bd9Sstevel@tonic-gate int	po1;
131*7c478bd9Sstevel@tonic-gate int	nlist[NTRAP];
132*7c478bd9Sstevel@tonic-gate int	mlist[NTRAP];
133*7c478bd9Sstevel@tonic-gate int	evlist[EVLSZ];
134*7c478bd9Sstevel@tonic-gate int	ev;
135*7c478bd9Sstevel@tonic-gate int	tty;
136*7c478bd9Sstevel@tonic-gate int	sfont	= FT;	/* appears to be "standard" font; used by .ul */
137*7c478bd9Sstevel@tonic-gate int	sv;
138*7c478bd9Sstevel@tonic-gate int	esc;
139*7c478bd9Sstevel@tonic-gate int	widthp;
140*7c478bd9Sstevel@tonic-gate int	xfont;
141*7c478bd9Sstevel@tonic-gate int	setwdf;
142*7c478bd9Sstevel@tonic-gate int	over;
143*7c478bd9Sstevel@tonic-gate int	nhyp;
144*7c478bd9Sstevel@tonic-gate tchar	**hyp;
145*7c478bd9Sstevel@tonic-gate tchar	*olinep;
146*7c478bd9Sstevel@tonic-gate int	dotT;
147*7c478bd9Sstevel@tonic-gate char	*unlkp;
148*7c478bd9Sstevel@tonic-gate int	no_out;
149*7c478bd9Sstevel@tonic-gate struct	widcache widcache[NWIDCACHE];
150*7c478bd9Sstevel@tonic-gate struct	d d[NDI];
151*7c478bd9Sstevel@tonic-gate struct	d *dip;
152