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