xref: /openbsd-src/usr.bin/mandoc/out.h (revision 5054e3e78af0749a9bb00ba9a024b3ee2d90290f)
1 /*	$Id: out.h,v 1.2 2009/10/27 21:40:07 schwarze Exp $ */
2 /*
3  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 #ifndef OUT_H
18 #define OUT_H
19 
20 #define	DATESIZ		24
21 
22 __BEGIN_DECLS
23 
24 enum	roffscale {
25 	SCALE_CM,
26 	SCALE_IN,
27 	SCALE_PC,
28 	SCALE_PT,
29 	SCALE_EM,
30 	SCALE_MM,
31 	SCALE_EN,
32 	SCALE_BU,
33 	SCALE_VS,
34 	SCALE_FS,
35 	SCALE_MAX
36 };
37 
38 struct	roffsu {
39 	enum roffscale	  unit;
40 	double		  scale;
41 	int		  pt;
42 };
43 
44 #define	SCALE_INVERT(p) \
45 	do { (p)->scale = -(p)->scale; } while (/*CONSTCOND*/0)
46 #define	SCALE_VS_INIT(p, v) \
47 	do { (p)->unit = SCALE_VS; \
48 	     (p)->scale = (v); \
49 	     (p)->pt = 0; } while (/*CONSTCOND*/0)
50 #define	SCALE_HS_INIT(p, v) \
51 	do { (p)->unit = SCALE_BU; \
52 	     (p)->scale = (v); \
53 	     (p)->pt = 0; } while (/*CONSTCOND*/0)
54 
55 int		  a2roffsu(const char *,
56 			struct roffsu *, enum roffscale);
57 void		  time2a(time_t, char *, size_t);
58 
59 __END_DECLS
60 
61 #endif /*!HTML_H*/
62