1/* Decomposed printf argument list.
2   Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2012 Free Software
3   Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License along
16   with this program; if not, see <http://www.gnu.org/licenses/>.  */
17
18#ifndef _PRINTF_ARGS_H
19#define _PRINTF_ARGS_H
20
21/* This file can be parametrized with the following macros:
22     ENABLE_UNISTDIO    Set to 1 to enable the unistdio extensions.
23     PRINTF_FETCHARGS   Name of the function to be declared.
24     STATIC             Set to 'static' to declare the function static.  */
25
26/* Default parameters.  */
27#ifndef PRINTF_FETCHARGS
28# define PRINTF_FETCHARGS printf_fetchargs
29#endif
30
31/* Get size_t.  */
32#include <stddef.h>
33
34/* Get wchar_t.  */
35#if HAVE_WCHAR_T
36# include <stddef.h>
37#endif
38
39/* Get wint_t.  */
40#if HAVE_WINT_T
41# include <wchar.h>
42#endif
43
44/* Get va_list.  */
45#include <stdarg.h>
46
47
48/* Argument types */
49typedef enum
50{
51  TYPE_NONE,
52  TYPE_SCHAR,
53  TYPE_UCHAR,
54  TYPE_SHORT,
55  TYPE_USHORT,
56  TYPE_INT,
57  TYPE_UINT,
58  TYPE_LONGINT,
59  TYPE_ULONGINT,
60#if HAVE_LONG_LONG_INT
61  TYPE_LONGLONGINT,
62  TYPE_ULONGLONGINT,
63#endif
64  TYPE_DOUBLE,
65  TYPE_LONGDOUBLE,
66  TYPE_CHAR,
67#if HAVE_WINT_T
68  TYPE_WIDE_CHAR,
69#endif
70  TYPE_STRING,
71#if HAVE_WCHAR_T
72  TYPE_WIDE_STRING,
73#endif
74  TYPE_POINTER,
75  TYPE_COUNT_SCHAR_POINTER,
76  TYPE_COUNT_SHORT_POINTER,
77  TYPE_COUNT_INT_POINTER,
78  TYPE_COUNT_LONGINT_POINTER
79#if HAVE_LONG_LONG_INT
80, TYPE_COUNT_LONGLONGINT_POINTER
81#endif
82#if ENABLE_UNISTDIO
83  /* The unistdio extensions.  */
84, TYPE_U8_STRING
85, TYPE_U16_STRING
86, TYPE_U32_STRING
87#endif
88} arg_type;
89
90/* Polymorphic argument */
91typedef struct
92{
93  arg_type type;
94  union
95  {
96    signed char                 a_schar;
97    unsigned char               a_uchar;
98    short                       a_short;
99    unsigned short              a_ushort;
100    int                         a_int;
101    unsigned int                a_uint;
102    long int                    a_longint;
103    unsigned long int           a_ulongint;
104#if HAVE_LONG_LONG_INT
105    long long int               a_longlongint;
106    unsigned long long int      a_ulonglongint;
107#endif
108    float                       a_float;
109    double                      a_double;
110    long double                 a_longdouble;
111    int                         a_char;
112#if HAVE_WINT_T
113    wint_t                      a_wide_char;
114#endif
115    const char*                 a_string;
116#if HAVE_WCHAR_T
117    const wchar_t*              a_wide_string;
118#endif
119    void*                       a_pointer;
120    signed char *               a_count_schar_pointer;
121    short *                     a_count_short_pointer;
122    int *                       a_count_int_pointer;
123    long int *                  a_count_longint_pointer;
124#if HAVE_LONG_LONG_INT
125    long long int *             a_count_longlongint_pointer;
126#endif
127#if ENABLE_UNISTDIO
128    /* The unistdio extensions.  */
129    const uint8_t *             a_u8_string;
130    const uint16_t *            a_u16_string;
131    const uint32_t *            a_u32_string;
132#endif
133  }
134  a;
135}
136argument;
137
138/* Number of directly allocated arguments (no malloc() needed).  */
139#define N_DIRECT_ALLOC_ARGUMENTS 7
140
141typedef struct
142{
143  size_t count;
144  argument *arg;
145  argument direct_alloc_arg[N_DIRECT_ALLOC_ARGUMENTS];
146}
147arguments;
148
149
150/* Fetch the arguments, putting them into a. */
151#ifdef STATIC
152STATIC
153#else
154extern
155#endif
156int PRINTF_FETCHARGS (va_list args, arguments *a);
157
158#endif /* _PRINTF_ARGS_H */
159