summaryrefslogtreecommitdiff
path: root/usr/src/cmd/dc/dc.h
blob: 5c23877680e493387de26057d02e1cf254134310 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#define	FATAL 0
#define	NFATAL 1
#define	BLK sizeof (struct blk)
#define	PTRSZ sizeof (int *)
#define	HEADSZ 1024
#define	STKSZ 100
#define	RDSKSZ 100
#define	TBLSZ 256
#define	ARRAYST 0241
#define	NL 1
#define	NG 2
#define	NE 3
#define	length(p) ((p)->wt-(p)->beg)
#define	rewind(p) ((p)->rd = (p)->beg)
#define	create(p)	((p)->rd = (p)->wt = (p)->beg)
#define	fsfile(p)	((p)->rd = (p)->wt)
#define	truncate(p)	((p)->wt = (p)->rd)
#define	sfeof(p)	(((p)->rd >= (p)->wt) ? 1 : 0)
#define	sfbeg(p)	(((p)->rd == (p)->beg) ? 1 : 0)
#define	sungetc(p, c)	(*(--(p)->rd) = c)
#define	sgetc(p)	(((p)->rd == (p)->wt) ? EOF: ctoint((int)*(p)->rd++))
#define	slookc(p)	(((p)->rd == (p)->wt) ? EOF: ctoint((int)*(p)->rd))
#define	sbackc(p)	(((p)->rd == (p)->beg) ? EOF: ctoint((int)*(--(p)->rd)))
#define	sputc(p, c)	{if ((p)->wt == (p)->last) more(p); *(p)->wt++ = c; }
#define	salterc(p, c)	{if ((p)->rd == (p)->last) more(p); *(p)->rd++ = c;\
			    if ((p)->rd > (p)->wt) (p)->wt = (p)->rd; }
#define	sunputc(p)	(*((p)->rd = --(p)->wt))
#define	zero(p)		for (pp = (p)->beg; pp < (p)->last; ) *pp++ = '\0'
#define	OUTC(x) {printf("%c", x); if (--count == 0)\
			    {printf("\\\n"); count = ll; } }
#define	TEST2	{if ((count -= 2) <= 0) {printf("\\\n"); count = ll; } }
#define	PRINT_MESSAGE	printf(gettext("stack empty\n"))
#define	EMPTY		if (stkerr != 0) {PRINT_MESSAGE; continue; }
#define	EMPTYR(x)	if (stkerr != 0) {pushp(x); PRINT_MESSAGE; continue; }
#define	EMPTYS		if (stkerr != 0) {PRINT_MESSAGE; return (1); }
#define	EMPTYSR(x)	if (stkerr != 0) {PRINT_MESSAGE; pushp(x); return (1); }
#define	CHECKEND	{ \
				if (count == 2) { \
					printf("\\\n"); \
					count = ll; \
				} \
			}
#define	error(p)	{printf(p); continue; }
#define	errorrt(p)	{printf(p); return (1); }
struct blk {
	char	*rd;
	char	*wt;
	char	*beg;
	char	*last;
};
struct	wblk {
	struct blk **rdw;
	struct blk **wtw;
	struct blk **begw;
	struct blk **lastw;
};
struct	blk *hfree;
struct	blk *getwd(struct blk *);
struct	blk *lookwd(struct blk *);
struct	blk *getdec(struct blk *, int);
struct	blk *morehd(void);

struct	blk *arg1, *arg2;
int	svargc;
char	savk;
char	**svargv;
int	dbg;
int	ifile;
FILE	*curfile;
struct	blk *scalptr, *basptr, *tenptr, *inbas;
struct	blk *sqtemp, *chptr, *strptr, *divxyz;
struct	blk *stack[STKSZ];
struct	blk **stkptr, **stkbeg;
struct	blk **stkend;
int	stkerr;
int	lastchar;
struct	blk *readstk[RDSKSZ];
struct	blk **readptr;
struct	blk *rem;
int	k;
struct	blk *irem;
int	skd, skr;
struct	blk *pop(void), *readin(void), *add0(struct blk *, int),
    *mult(struct blk *, struct blk *);
struct	blk *scalint(struct blk *);
struct	blk *removc(struct blk *, int);
struct	blk *add(struct blk *, struct blk *),
    *dcdiv(struct blk *, struct blk *), *removr(struct blk *, int);
struct	blk *exp(struct blk *, struct blk *);
struct	blk *sqrt(struct blk *);
struct	blk *salloc(int), *copy(struct blk *, int);
struct	blk *scale(struct blk *, int);
void	commnds(void);
void	init(int, char **);
void	pushp(struct blk *p);
void	chsign(struct blk *p);
char	readc(void);
void	unreadc(char);
void	binop(char);
void	print(struct blk *hptr);
void	tenot(struct blk *p, int sc);
void	oneot(struct blk *p, int sc, char ch);
void	seekc(struct blk *hptr, int n);
void	ospace(char *s);
void	garbage(char *s);
void	more(struct blk *hptr);
int	cond(char c);
void	load(void);
void	sdump(char *s1, struct blk *hptr);
void	salterwd(struct wblk *hptr, struct blk *n);
void	redef(struct blk *p);
void	release(struct blk *p);
void	putwd(struct blk *p, struct blk *c);

int	neg;
struct	sym {
	struct	sym *next;
	struct	blk *val;
} symlst[TBLSZ];
struct	sym *stable[TBLSZ];
struct	sym *sptr, *sfree;
FILE	*fsave;
long	rel;
long	nbytes;
long	all;
long	headmor;
long	obase;
int	fw, fw1, ll;
void	(*outdit)(struct blk *, int);
void	bigot(struct blk *, int), hexot(struct blk *, int);
int	logo;
int	log10;
int	count;
char	*pp;
void	onintr(int);
char	*nalloc(char *, unsigned int);
char	*dummy;