2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2005 Poul-Henning Kamp
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * The API defined by glibc allows a renderer to take multiple arguments
39 * This is obviously usable for things like (ptr+len) pairs etc.
40 * But the do not actually provide support for it at the end of the day,
41 * they offer only one argument to the arginfo function, but do accept
42 * >1 returns, although the do not check the types of those arguments
44 * Be compatible for now.
46 #define __PRINTFMAXARG 2
49 /* GLIBC compatible */
53 unsigned is_long_double;
66 /* FreeBSD extensions */
79 void *arg[__PRINTFMAXARG];
83 PA_INT = (1 << 0), /* int */
84 PA_CHAR = (1 << 1), /* int, cast to char */
85 PA_WCHAR = (1 << 2), /* wide char */
86 PA_STRING = (1 << 3), /* const char * (with '\0') */
87 PA_WSTRING = (1 << 4), /* const wchar_t * */
88 PA_POINTER = (1 << 5), /* void * */
89 PA_FLOAT = (1 << 6), /* float */
90 PA_DOUBLE = (1 << 7) /* double */
93 #define PA_FLAG_MASK 0xff0000
94 #define PA_FLAG_LONG_LONG (1 << 16)
95 #define PA_FLAG_LONG (1 << 17)
96 #define PA_FLAG_SHORT (1 << 18)
97 #define PA_FLAG_PTR (1 << 19)
98 #define PA_FLAG_QUAD (1 << 20)
99 #define PA_FLAG_INTMAX (1 << 21)
100 #define PA_FLAG_SIZE (1 << 22)
101 #define PA_FLAG_PTRDIFF (1 << 23)
102 #define PA_FLAG_LONG_DOUBLE PA_FLAG_LONG_LONG
104 typedef int printf_arginfo_function(const struct printf_info *, size_t, int *);
105 typedef int printf_function(FILE *, const struct printf_info *, const void *const *);
107 /* FreeBSD extension */
109 typedef int printf_render(struct __printf_io *, const struct printf_info *, const void *const *);
112 extern const char __lowercase_hex[17];
113 extern const char __uppercase_hex[17];
115 void __printf_flush(struct __printf_io *io);
116 int __printf_puts(struct __printf_io *io, const void *ptr, int len);
117 int __printf_pad(struct __printf_io *io, int n, int zero);
118 int __printf_out(struct __printf_io *io, const struct printf_info *pi, const void *ptr, int len);
120 int __xvprintf(FILE *fp, const char *fmt0, va_list ap);
121 extern int __use_xprintf;
124 int register_printf_function(int spec, printf_function *render, printf_arginfo_function *arginfo);
127 int register_printf_render(int spec, printf_render *render, printf_arginfo_function *arginfo);
128 int register_printf_render_std(const char *specs);
130 /* vprintf_errno.c */
131 printf_arginfo_function __printf_arginfo_errno;
132 printf_render __printf_render_errno;
134 /* vprintf_float.c */
135 printf_arginfo_function __printf_arginfo_float;
136 printf_render __printf_render_float;
138 /* vprintf_hexdump.c */
139 printf_arginfo_function __printf_arginfo_hexdump;
140 printf_render __printf_render_hexdump;
143 printf_arginfo_function __printf_arginfo_ptr;
144 printf_arginfo_function __printf_arginfo_int;
145 printf_render __printf_render_ptr;
146 printf_render __printf_render_int;
148 /* vprintf_quoute.c */
149 printf_arginfo_function __printf_arginfo_quote;
150 printf_render __printf_render_quote;
153 printf_arginfo_function __printf_arginfo_chr;
154 printf_render __printf_render_chr;
155 printf_arginfo_function __printf_arginfo_str;
156 printf_render __printf_render_str;
159 printf_arginfo_function __printf_arginfo_time;
160 printf_render __printf_render_time;
163 printf_arginfo_function __printf_arginfo_vis;
164 printf_render __printf_render_vis;
166 #endif /* !_PRINTF_H */