/* Decomposed printf argument list.

   Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2020 Free Software

   Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU Lesser General Public License as published by

   the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License along

   with this program; if not, see <https://www.gnu.org/licenses/>.  */

#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,

  TYPE_LONGLONGINT,

  TYPE_ULONGLONGINT,

  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,

  TYPE_COUNT_LONGLONGINT_POINTER

#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;

    long long int               a_longlongint;

    unsigned long long int      a_ulonglongint;

    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;

    long long int *             a_count_longlongint_pointer;

#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;

/* Number of directly allocated arguments (no malloc() needed).  */

#define N_DIRECT_ALLOC_ARGUMENTS 7

typedef struct

{

  size_t count;

  argument *arg;

  argument direct_alloc_arg[N_DIRECT_ALLOC_ARGUMENTS];

}

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 */