xref: /dragonfly/lib/libc/stdio/printflocal.h (revision 25a2db75)
1 /*-
2  * Copyright (c) 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Chris Torek.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD: src/lib/libc/stdio/printflocal.h,v 1.3 2009/03/02 04:07:58 das Exp $
33  */
34 
35 /*
36  * Flags used during conversion.
37  */
38 #define	ALT		0x001		/* alternate form */
39 #define	LADJUST		0x004		/* left adjustment */
40 #define	LONGDBL		0x008		/* long double */
41 #define	LONGINT		0x010		/* long integer */
42 #define	LLONGINT	0x020		/* long long integer */
43 #define	SHORTINT	0x040		/* short integer */
44 #define	ZEROPAD		0x080		/* zero (as opposed to blank) pad */
45 #define	FPT		0x100		/* Floating point number */
46 #define	GROUPING	0x200		/* use grouping ("'" flag) */
47 					/* C99 additional size modifiers: */
48 #define	SIZET		0x400		/* size_t */
49 #define	PTRDIFFT	0x800		/* ptrdiff_t */
50 #define	INTMAXT		0x1000		/* intmax_t */
51 #define	CHARINT		0x2000		/* print char using int format */
52 
53 /*
54  * Macros for converting digits to letters and vice versa
55  */
56 #define	to_digit(c)	((c) - '0')
57 #define is_digit(c)	((unsigned)to_digit(c) <= 9)
58 #define	to_char(n)	((n) + '0')
59 
60 /* Size of the static argument table. */
61 #define STATIC_ARG_TBL_SIZE 8
62 
63 union arg {
64 	int	intarg;
65 	u_int	uintarg;
66 	long	longarg;
67 	u_long	ulongarg;
68 	long long longlongarg;
69 	unsigned long long ulonglongarg;
70 	ptrdiff_t ptrdiffarg;
71 	size_t	sizearg;
72 	intmax_t intmaxarg;
73 	uintmax_t uintmaxarg;
74 	void	*pvoidarg;
75 	char	*pchararg;
76 	signed char *pschararg;
77 	short	*pshortarg;
78 	int	*pintarg;
79 	long	*plongarg;
80 	long long *plonglongarg;
81 	ptrdiff_t *pptrdiffarg;
82 	ssize_t	*pssizearg;
83 	intmax_t *pintmaxarg;
84 #ifndef NO_FLOATING_POINT
85 	double	doublearg;
86 	long double longdoublearg;
87 #endif
88 	wint_t	wintarg;
89 	wchar_t	*pwchararg;
90 };
91 
92 /* Handle positional parameters. */
93 int	__find_arguments(const char *, va_list, union arg **);
94 int	__find_warguments(const wchar_t *, va_list, union arg **);
95