printf.h revision 154815
1153486Sphk/*- 2153486Sphk * Copyright (c) 2005 Poul-Henning Kamp 3153486Sphk * All rights reserved. 4153486Sphk * 5153486Sphk * Redistribution and use in source and binary forms, with or without 6153486Sphk * modification, are permitted provided that the following conditions 7153486Sphk * are met: 8153486Sphk * 1. Redistributions of source code must retain the above copyright 9153486Sphk * notice, this list of conditions and the following disclaimer. 10153486Sphk * 2. Redistributions in binary form must reproduce the above copyright 11153486Sphk * notice, this list of conditions and the following disclaimer in the 12153486Sphk * documentation and/or other materials provided with the distribution. 13153486Sphk * 14153486Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15153486Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16153486Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17153486Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18153486Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19153486Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20153486Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21153486Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22153486Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23153486Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24153486Sphk * SUCH DAMAGE. 25153486Sphk * 26153486Sphk * $FreeBSD: head/include/printf.h 154815 2006-01-25 12:45:24Z phk $ 27153486Sphk */ 28153486Sphk 29153486Sphk#ifndef _PRINTF_H_ 30153486Sphk#define _PRINTF_H_ 31153486Sphk 32153486Sphkunion arg; 33153486Sphk 34153486Sphk/* 35153486Sphk * The API defined by glibc allows a renderer to take multiple arguments 36153486Sphk * This is obviously usable for things like (ptr+len) pairs etc. 37153486Sphk * But the do not actually provide support for it at the end of the day, 38153486Sphk * they offer only one argument to the arginfo function, but do accept 39153486Sphk * >1 returns, although the do not check the types of those arguments 40153486Sphk * argument 41153486Sphk * Be compatible for now. 42153486Sphk */ 43153486Sphk#define __PRINTFMAXARG 2 44153486Sphk 45153486Sphkstruct printf_info { 46153486Sphk /* GLIBC compatible */ 47153486Sphk int prec; 48153486Sphk int width; 49153486Sphk wchar_t spec; 50153486Sphk unsigned is_long_double; 51153486Sphk unsigned is_char; 52153486Sphk unsigned is_short; 53153486Sphk unsigned is_long; 54153486Sphk unsigned alt; 55153486Sphk unsigned space; 56153486Sphk unsigned left; 57153486Sphk unsigned showsign; 58153486Sphk unsigned group; 59153486Sphk unsigned extra; 60153486Sphk unsigned wide; 61153486Sphk wchar_t pad; 62153486Sphk 63153486Sphk /* FreeBSD extensions */ 64153486Sphk 65153486Sphk unsigned is_quad; 66153486Sphk unsigned is_intmax; 67153486Sphk unsigned is_ptrdiff; 68153486Sphk unsigned is_size; 69153486Sphk 70153486Sphk /* private */ 71153486Sphk int sofar; 72153486Sphk unsigned get_width; 73153486Sphk unsigned get_prec; 74153486Sphk const char *begin; 75153486Sphk const char *end; 76153486Sphk void *arg[__PRINTFMAXARG]; 77153486Sphk}; 78153486Sphk 79153486Sphkenum { 80153486Sphk PA_INT = (1 << 0), /* int */ 81153486Sphk PA_CHAR = (1 << 1), /* int, cast to char */ 82153486Sphk PA_WCHAR = (1 << 2), /* wide char */ 83153486Sphk PA_STRING = (1 << 3), /* const char * (with '\0') */ 84153486Sphk PA_WSTRING = (1 << 4), /* const wchar_t * */ 85153486Sphk PA_POINTER = (1 << 5), /* void * */ 86153486Sphk PA_FLOAT = (1 << 6), /* float */ 87153486Sphk PA_DOUBLE = (1 << 7) /* double */ 88153486Sphk}; 89153486Sphk 90153486Sphk#define PA_FLAG_MASK 0xff0000 91153486Sphk#define PA_FLAG_LONG_LONG (1 << 16) 92153486Sphk#define PA_FLAG_LONG (1 << 17) 93153486Sphk#define PA_FLAG_SHORT (1 << 18) 94153486Sphk#define PA_FLAG_PTR (1 << 19) 95153486Sphk#define PA_FLAG_QUAD (1 << 20) 96153486Sphk#define PA_FLAG_INTMAX (1 << 21) 97153486Sphk#define PA_FLAG_SIZE (1 << 22) 98153486Sphk#define PA_FLAG_PTRDIFF (1 << 23) 99153486Sphk#define PA_FLAG_LONG_DOUBLE PA_FLAG_LONG_LONG 100153486Sphk 101153486Sphktypedef int printf_arginfo_function(const struct printf_info *, size_t, int *); 102153486Sphktypedef int printf_function(FILE *, const struct printf_info *, const void *const *); 103153486Sphk 104153486Sphk/* FreeBSD extension */ 105153486Sphkstruct __printf_io; 106153486Sphktypedef int printf_render(struct __printf_io *, const struct printf_info *, const void *const *); 107153486Sphk 108153486Sphk/* vprintf.c */ 109153486Sphkextern const char __lowercase_hex[17]; 110153486Sphkextern const char __uppercase_hex[17]; 111153486Sphk 112153486Sphkvoid __printf_flush(struct __printf_io *io); 113153486Sphkint __printf_puts(struct __printf_io *io, const void *ptr, int len); 114153486Sphkint __printf_pad(struct __printf_io *io, int n, int zero); 115153486Sphkint __printf_out(struct __printf_io *io, const struct printf_info *pi, const void *ptr, int len); 116153486Sphk 117153486Sphkint __xvprintf(FILE *fp, const char *fmt0, va_list ap); 118153486Sphkextern int __use_xprintf; 119153486Sphk 120153486Sphk/* GLIBC compat */ 121153486Sphkint register_printf_function(int spec, printf_function *render, printf_arginfo_function *arginfo); 122153486Sphk 123153486Sphk/* FreeBSD */ 124153486Sphkint register_printf_render(int spec, printf_render *render, printf_arginfo_function *arginfo); 125153486Sphkint register_printf_render_std(const unsigned char *specs); 126153486Sphk 127154815Sphk/* vprintf_errno.c */ 128154815Sphkprintf_arginfo_function __printf_arginfo_errno; 129154815Sphkprintf_render __printf_render_errno; 130154815Sphk 131153486Sphk/* vprintf_float.c */ 132153486Sphkprintf_arginfo_function __printf_arginfo_float; 133153486Sphkprintf_render __printf_render_float; 134153486Sphk 135154815Sphk/* vprintf_hexdump.c */ 136154815Sphkprintf_arginfo_function __printf_arginfo_hexdump; 137154815Sphkprintf_render __printf_render_hexdump; 138154815Sphk 139153486Sphk/* vprintf_int.c */ 140153486Sphkprintf_arginfo_function __printf_arginfo_ptr; 141153486Sphkprintf_arginfo_function __printf_arginfo_int; 142153486Sphkprintf_render __printf_render_ptr; 143153486Sphkprintf_render __printf_render_int; 144153486Sphk 145154815Sphk/* vprintf_quoute.c */ 146154815Sphkprintf_arginfo_function __printf_arginfo_quote; 147154815Sphkprintf_render __printf_render_quote; 148154815Sphk 149153486Sphk/* vprintf_str.c */ 150153486Sphkprintf_arginfo_function __printf_arginfo_chr; 151153486Sphkprintf_render __printf_render_chr; 152153486Sphkprintf_arginfo_function __printf_arginfo_str; 153153486Sphkprintf_render __printf_render_str; 154153486Sphk 155153486Sphk/* vprintf_time.c */ 156153486Sphkprintf_arginfo_function __printf_arginfo_time; 157153486Sphkprintf_render __printf_render_time; 158153486Sphk 159153486Sphk/* vprintf_vis.c */ 160153486Sphkprintf_arginfo_function __printf_arginfo_vis; 161153486Sphkprintf_render __printf_render_vis; 162153486Sphk 163153486Sphk#endif /* !_PRINTF_H */ 164