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/*-
* Copyright (c) 2005 Poul-Henning Kamp
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _PRINTF_H_
#define _PRINTF_H_
/*
* The API defined by glibc allows a renderer to take multiple arguments
* This is obviously usable for things like (ptr+len) pairs etc.
* But the do not actually provide support for it at the end of the day,
* they offer only one argument to the arginfo function, but do accept
* >1 returns, although the do not check the types of those arguments
* argument
* Be compatible for now.
*/
#define __PRINTFMAXARG 2
struct printf_info {
/* GLIBC compatible */
int prec;
int width;
wchar_t spec;
unsigned is_long_double;
unsigned is_char;
unsigned is_short;
unsigned is_long;
unsigned alt;
unsigned space;
unsigned left;
unsigned showsign;
unsigned group;
unsigned extra;
unsigned wide;
wchar_t pad;
/* FreeBSD extensions */
unsigned is_quad;
unsigned is_intmax;
unsigned is_ptrdiff;
unsigned is_size;
/* private */
int sofar;
unsigned get_width;
unsigned get_prec;
const char *begin;
const char *end;
void *arg[__PRINTFMAXARG];
};
enum {
PA_INT = (1 << 0), /* int */
PA_CHAR = (1 << 1), /* int, cast to char */
PA_WCHAR = (1 << 2), /* wide char */
PA_STRING = (1 << 3), /* const char * (with '\0') */
PA_WSTRING = (1 << 4), /* const wchar_t * */
PA_POINTER = (1 << 5), /* void * */
PA_FLOAT = (1 << 6), /* float */
PA_DOUBLE = (1 << 7) /* double */
};
#define PA_FLAG_MASK 0xff0000
#define PA_FLAG_LONG_LONG (1 << 16)
#define PA_FLAG_LONG (1 << 17)
#define PA_FLAG_SHORT (1 << 18)
#define PA_FLAG_PTR (1 << 19)
#define PA_FLAG_QUAD (1 << 20)
#define PA_FLAG_INTMAX (1 << 21)
#define PA_FLAG_SIZE (1 << 22)
#define PA_FLAG_PTRDIFF (1 << 23)
#define PA_FLAG_LONG_DOUBLE PA_FLAG_LONG_LONG
typedef int printf_arginfo_function(const struct printf_info *, size_t, int *);
typedef int printf_function(FILE *, const struct printf_info *, const void *const *);
/* FreeBSD extension */
struct __printf_io;
typedef int printf_render(struct __printf_io *, const struct printf_info *, const void *const *);
/* vprintf.c */
extern const char __lowercase_hex[17];
extern const char __uppercase_hex[17];
void __printf_flush(struct __printf_io *io);
int __printf_puts(struct __printf_io *io, const void *ptr, int len);
int __printf_pad(struct __printf_io *io, int n, int zero);
int __printf_out(struct __printf_io *io, const struct printf_info *pi, const void *ptr, int len);
int __xvprintf(FILE *fp, const char *fmt0, va_list ap);
extern int __use_xprintf;
/* GLIBC compat */
int register_printf_function(int spec, printf_function *render, printf_arginfo_function *arginfo);
/* FreeBSD */
int register_printf_render(int spec, printf_render *render, printf_arginfo_function *arginfo);
int register_printf_render_std(const unsigned char *specs);
/* vprintf_errno.c */
printf_arginfo_function __printf_arginfo_errno;
printf_render __printf_render_errno;
/* vprintf_float.c */
printf_arginfo_function __printf_arginfo_float;
printf_render __printf_render_float;
/* vprintf_hexdump.c */
printf_arginfo_function __printf_arginfo_hexdump;
printf_render __printf_render_hexdump;
/* vprintf_int.c */
printf_arginfo_function __printf_arginfo_ptr;
printf_arginfo_function __printf_arginfo_int;
printf_render __printf_render_ptr;
printf_render __printf_render_int;
/* vprintf_quoute.c */
printf_arginfo_function __printf_arginfo_quote;
printf_render __printf_render_quote;
/* vprintf_str.c */
printf_arginfo_function __printf_arginfo_chr;
printf_render __printf_render_chr;
printf_arginfo_function __printf_arginfo_str;
printf_render __printf_render_str;
/* vprintf_time.c */
printf_arginfo_function __printf_arginfo_time;
printf_render __printf_render_time;
/* vprintf_vis.c */
printf_arginfo_function __printf_arginfo_vis;
printf_render __printf_render_vis;
#endif /* !_PRINTF_H */
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