xref: /freebsd/lib/libc/stdio/printflocal.h (revision 4f52dfbb8d6c4d446500c5b097e3806ec219fbd4)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Chris Torek.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  */
36 
37 /*
38  * Flags used during conversion.
39  */
40 #define	ALT		0x001		/* alternate form */
41 #define	LADJUST		0x004		/* left adjustment */
42 #define	LONGDBL		0x008		/* long double */
43 #define	LONGINT		0x010		/* long integer */
44 #define	LLONGINT	0x020		/* long long integer */
45 #define	SHORTINT	0x040		/* short integer */
46 #define	ZEROPAD		0x080		/* zero (as opposed to blank) pad */
47 #define	FPT		0x100		/* Floating point number */
48 #define	GROUPING	0x200		/* use grouping ("'" flag) */
49 					/* C99 additional size modifiers: */
50 #define	SIZET		0x400		/* size_t */
51 #define	PTRDIFFT	0x800		/* ptrdiff_t */
52 #define	INTMAXT		0x1000		/* intmax_t */
53 #define	CHARINT		0x2000		/* print char using int format */
54 
55 /*
56  * Macros for converting digits to letters and vice versa
57  */
58 #define	to_digit(c)	((c) - '0')
59 #define is_digit(c)	((unsigned)to_digit(c) <= 9)
60 #define	to_char(n)	((n) + '0')
61 
62 /* Size of the static argument table. */
63 #define STATIC_ARG_TBL_SIZE 8
64 
65 union arg {
66 	int	intarg;
67 	u_int	uintarg;
68 	long	longarg;
69 	u_long	ulongarg;
70 	long long longlongarg;
71 	unsigned long long ulonglongarg;
72 	ptrdiff_t ptrdiffarg;
73 	size_t	sizearg;
74 	intmax_t intmaxarg;
75 	uintmax_t uintmaxarg;
76 	void	*pvoidarg;
77 	char	*pchararg;
78 	signed char *pschararg;
79 	short	*pshortarg;
80 	int	*pintarg;
81 	long	*plongarg;
82 	long long *plonglongarg;
83 	ptrdiff_t *pptrdiffarg;
84 	ssize_t	*pssizearg;
85 	intmax_t *pintmaxarg;
86 #ifndef NO_FLOATING_POINT
87 	double	doublearg;
88 	long double longdoublearg;
89 #endif
90 	wint_t	wintarg;
91 	wchar_t	*pwchararg;
92 };
93 
94 /* Handle positional parameters. */
95 int	__find_arguments(const char *, va_list, union arg **);
96 int	__find_warguments(const wchar_t *, va_list, union arg **);
97