summaryrefslogtreecommitdiff
path: root/intl/printf-args.h
blob: f95e6bd9c95d16afecf2f304cd25b62e6aaba3a6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/* Decomposed printf argument list.
   Copyright (C) 1999, 2002-2003, 2006-2007 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU Library General Public License as published
   by the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
   USA.  */

#ifndef _PRINTF_ARGS_H
#define _PRINTF_ARGS_H

/* This file can be parametrized with the following macros:
     ENABLE_UNISTDIO    Set to 1 to enable the unistdio extensions.
     PRINTF_FETCHARGS   Name of the function to be declared.
     STATIC             Set to 'static' to declare the function static.  */

/* Default parameters.  */
#ifndef PRINTF_FETCHARGS
# define PRINTF_FETCHARGS printf_fetchargs
#endif

/* Get size_t.  */
#include <stddef.h>

/* Get wchar_t.  */
#if HAVE_WCHAR_T
# include <stddef.h>
#endif

/* Get wint_t.  */
#if HAVE_WINT_T
# include <wchar.h>
#endif

/* Get va_list.  */
#include <stdarg.h>


/* Argument types */
typedef enum
{
  TYPE_NONE,
  TYPE_SCHAR,
  TYPE_UCHAR,
  TYPE_SHORT,
  TYPE_USHORT,
  TYPE_INT,
  TYPE_UINT,
  TYPE_LONGINT,
  TYPE_ULONGINT,
#if HAVE_LONG_LONG_INT
  TYPE_LONGLONGINT,
  TYPE_ULONGLONGINT,
#endif
  TYPE_DOUBLE,
  TYPE_LONGDOUBLE,
  TYPE_CHAR,
#if HAVE_WINT_T
  TYPE_WIDE_CHAR,
#endif
  TYPE_STRING,
#if HAVE_WCHAR_T
  TYPE_WIDE_STRING,
#endif
  TYPE_POINTER,
  TYPE_COUNT_SCHAR_POINTER,
  TYPE_COUNT_SHORT_POINTER,
  TYPE_COUNT_INT_POINTER,
  TYPE_COUNT_LONGINT_POINTER
#if HAVE_LONG_LONG_INT
, TYPE_COUNT_LONGLONGINT_POINTER
#endif
#if ENABLE_UNISTDIO
  /* The unistdio extensions.  */
, TYPE_U8_STRING
, TYPE_U16_STRING
, TYPE_U32_STRING
#endif
} arg_type;

/* Polymorphic argument */
typedef struct
{
  arg_type type;
  union
  {
    signed char                 a_schar;
    unsigned char               a_uchar;
    short                       a_short;
    unsigned short              a_ushort;
    int                         a_int;
    unsigned int                a_uint;
    long int                    a_longint;
    unsigned long int           a_ulongint;
#if HAVE_LONG_LONG_INT
    long long int               a_longlongint;
    unsigned long long int      a_ulonglongint;
#endif
    float                       a_float;
    double                      a_double;
    long double                 a_longdouble;
    int                         a_char;
#if HAVE_WINT_T
    wint_t                      a_wide_char;
#endif
    const char*                 a_string;
#if HAVE_WCHAR_T
    const wchar_t*              a_wide_string;
#endif
    void*                       a_pointer;
    signed char *               a_count_schar_pointer;
    short *                     a_count_short_pointer;
    int *                       a_count_int_pointer;
    long int *                  a_count_longint_pointer;
#if HAVE_LONG_LONG_INT
    long long int *             a_count_longlongint_pointer;
#endif
#if ENABLE_UNISTDIO
    /* The unistdio extensions.  */
    const uint8_t *             a_u8_string;
    const uint16_t *            a_u16_string;
    const uint32_t *            a_u32_string;
#endif
  }
  a;
}
argument;

typedef struct
{
  size_t count;
  argument *arg;
}
arguments;


/* Fetch the arguments, putting them into a. */
#ifdef STATIC
STATIC
#else
extern
#endif
int PRINTF_FETCHARGS (va_list args, arguments *a);

#endif /* _PRINTF_ARGS_H */