/* Decomposed printf argument list.

   Copyright (C) 1999, 2002-2003, 2005-2007 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.  */

/* 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 defined.

     STATIC             Set to 'static' to declare the function static.  */

#ifndef PRINTF_FETCHARGS

# include <config.h>

#endif

/* Specification.  */

#ifndef PRINTF_FETCHARGS

# include "printf-args.h"

#endif

#ifdef STATIC

STATIC

#endif

int

PRINTF_FETCHARGS (va_list args, arguments *a)

{

  size_t i;

  argument *ap;

  for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)

    switch (ap->type)

      {

      case TYPE_SCHAR:

	ap->a.a_schar = va_arg (args, /*signed char*/ int);

	break;

      case TYPE_UCHAR:

	ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);

	break;

      case TYPE_SHORT:

	ap->a.a_short = va_arg (args, /*short*/ int);

	break;

      case TYPE_USHORT:

	ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);

	break;

      case TYPE_INT:

	ap->a.a_int = va_arg (args, int);

	break;

      case TYPE_UINT:

	ap->a.a_uint = va_arg (args, unsigned int);

	break;

      case TYPE_LONGINT:

	ap->a.a_longint = va_arg (args, long int);

	break;

      case TYPE_ULONGINT:

	ap->a.a_ulongint = va_arg (args, unsigned long int);

	break;

#if HAVE_LONG_LONG_INT

      case TYPE_LONGLONGINT:

	ap->a.a_longlongint = va_arg (args, long long int);

	break;

      case TYPE_ULONGLONGINT:

	ap->a.a_ulonglongint = va_arg (args, unsigned long long int);

	break;

#endif

      case TYPE_DOUBLE:

	ap->a.a_double = va_arg (args, double);

	break;

      case TYPE_LONGDOUBLE:

	ap->a.a_longdouble = va_arg (args, long double);

	break;

      case TYPE_CHAR:

	ap->a.a_char = va_arg (args, int);

	break;

#if HAVE_WINT_T

      case TYPE_WIDE_CHAR:

	/* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by

	   default argument promotions", this is not the case in mingw32,

	   where wint_t is 'unsigned short'.  */

	ap->a.a_wide_char =

	  (sizeof (wint_t) < sizeof (int)

	   ? va_arg (args, int)

	   : va_arg (args, wint_t));

	break;

#endif

      case TYPE_STRING:

	ap->a.a_string = va_arg (args, const char *);

	/* A null pointer is an invalid argument for "%s", but in practice

	   it occurs quite frequently in printf statements that produce

	   debug output.  Use a fallback in this case.  */

	if (ap->a.a_string == NULL)

	  ap->a.a_string = "(NULL)";

	break;

#if HAVE_WCHAR_T

      case TYPE_WIDE_STRING:

	ap->a.a_wide_string = va_arg (args, const wchar_t *);

	/* A null pointer is an invalid argument for "%ls", but in practice

	   it occurs quite frequently in printf statements that produce

	   debug output.  Use a fallback in this case.  */

	if (ap->a.a_wide_string == NULL)

	  {

	    static const wchar_t wide_null_string[] =

	      {

		(wchar_t)'(',

		(wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',

		(wchar_t)')',

		(wchar_t)0

	      };

	    ap->a.a_wide_string = wide_null_string;

	  }

	break;

#endif

      case TYPE_POINTER:

	ap->a.a_pointer = va_arg (args, void *);

	break;

      case TYPE_COUNT_SCHAR_POINTER:

	ap->a.a_count_schar_pointer = va_arg (args, signed char *);

	break;

      case TYPE_COUNT_SHORT_POINTER:

	ap->a.a_count_short_pointer = va_arg (args, short *);

	break;

      case TYPE_COUNT_INT_POINTER:

	ap->a.a_count_int_pointer = va_arg (args, int *);

	break;

      case TYPE_COUNT_LONGINT_POINTER:

	ap->a.a_count_longint_pointer = va_arg (args, long int *);

	break;

#if HAVE_LONG_LONG_INT

      case TYPE_COUNT_LONGLONGINT_POINTER:

	ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);

	break;

#endif

#if ENABLE_UNISTDIO

      /* The unistdio extensions.  */

      case TYPE_U8_STRING:

	ap->a.a_u8_string = va_arg (args, const uint8_t *);

	/* A null pointer is an invalid argument for "%U", but in practice

	   it occurs quite frequently in printf statements that produce

	   debug output.  Use a fallback in this case.  */

	if (ap->a.a_u8_string == NULL)

	  {

	    static const uint8_t u8_null_string[] =

	      { '(', 'N', 'U', 'L', 'L', ')', 0 };

	    ap->a.a_u8_string = u8_null_string;

	  }

	break;

      case TYPE_U16_STRING:

	ap->a.a_u16_string = va_arg (args, const uint16_t *);

	/* A null pointer is an invalid argument for "%lU", but in practice

	   it occurs quite frequently in printf statements that produce

	   debug output.  Use a fallback in this case.  */

	if (ap->a.a_u16_string == NULL)

	  {

	    static const uint16_t u16_null_string[] =

	      { '(', 'N', 'U', 'L', 'L', ')', 0 };

	    ap->a.a_u16_string = u16_null_string;

	  }

	break;

      case TYPE_U32_STRING:

	ap->a.a_u32_string = va_arg (args, const uint32_t *);

	/* A null pointer is an invalid argument for "%llU", but in practice

	   it occurs quite frequently in printf statements that produce

	   debug output.  Use a fallback in this case.  */

	if (ap->a.a_u32_string == NULL)

	  {

	    static const uint32_t u32_null_string[] =

	      { '(', 'N', 'U', 'L', 'L', ')', 0 };

	    ap->a.a_u32_string = u32_null_string;

	  }

	break;

#endif

      default:

	/* Unknown type.  */

	return -1;

      }

  return 0;

}