2N/A/* Decomposed printf argument list.
2N/A Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2010 Free Software
2N/A Foundation, Inc.
2N/A
2N/A This program is free software; you can redistribute it and/or modify
2N/A it under the terms of the GNU General Public License as published by
2N/A the Free Software Foundation; either version 3, or (at your option)
2N/A any later version.
2N/A
2N/A This program is distributed in the hope that it will be useful,
2N/A but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A GNU General Public License for more details.
2N/A
2N/A You should have received a copy of the GNU General Public License along
2N/A with this program; if not, write to the Free Software Foundation,
2N/A Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
2N/A
2N/A/* This file can be parametrized with the following macros:
2N/A ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
2N/A PRINTF_FETCHARGS Name of the function to be defined.
2N/A STATIC Set to 'static' to declare the function static. */
2N/A
2N/A#ifndef PRINTF_FETCHARGS
2N/A# include <config.h>
2N/A#endif
2N/A
2N/A/* Specification. */
2N/A#ifndef PRINTF_FETCHARGS
2N/A# include "printf-args.h"
2N/A#endif
2N/A
2N/A#ifdef STATIC
2N/ASTATIC
2N/A#endif
2N/Aint
2N/APRINTF_FETCHARGS (va_list args, arguments *a)
2N/A{
2N/A size_t i;
2N/A argument *ap;
2N/A
2N/A for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
2N/A switch (ap->type)
2N/A {
2N/A case TYPE_SCHAR:
2N/A ap->a.a_schar = va_arg (args, /*signed char*/ int);
2N/A break;
2N/A case TYPE_UCHAR:
2N/A ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
2N/A break;
2N/A case TYPE_SHORT:
2N/A ap->a.a_short = va_arg (args, /*short*/ int);
2N/A break;
2N/A case TYPE_USHORT:
2N/A ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
2N/A break;
2N/A case TYPE_INT:
2N/A ap->a.a_int = va_arg (args, int);
2N/A break;
2N/A case TYPE_UINT:
2N/A ap->a.a_uint = va_arg (args, unsigned int);
2N/A break;
2N/A case TYPE_LONGINT:
2N/A ap->a.a_longint = va_arg (args, long int);
2N/A break;
2N/A case TYPE_ULONGINT:
2N/A ap->a.a_ulongint = va_arg (args, unsigned long int);
2N/A break;
2N/A#if HAVE_LONG_LONG_INT
2N/A case TYPE_LONGLONGINT:
2N/A ap->a.a_longlongint = va_arg (args, long long int);
2N/A break;
2N/A case TYPE_ULONGLONGINT:
2N/A ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
2N/A break;
2N/A#endif
2N/A case TYPE_DOUBLE:
2N/A ap->a.a_double = va_arg (args, double);
2N/A break;
2N/A case TYPE_LONGDOUBLE:
2N/A ap->a.a_longdouble = va_arg (args, long double);
2N/A break;
2N/A case TYPE_CHAR:
2N/A ap->a.a_char = va_arg (args, int);
2N/A break;
2N/A#if HAVE_WINT_T
2N/A case TYPE_WIDE_CHAR:
2N/A /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
2N/A default argument promotions", this is not the case in mingw32,
2N/A where wint_t is 'unsigned short'. */
2N/A ap->a.a_wide_char =
2N/A (sizeof (wint_t) < sizeof (int)
2N/A ? (wint_t) va_arg (args, int)
2N/A : va_arg (args, wint_t));
2N/A break;
2N/A#endif
2N/A case TYPE_STRING:
2N/A ap->a.a_string = va_arg (args, const char *);
2N/A /* A null pointer is an invalid argument for "%s", but in practice
2N/A it occurs quite frequently in printf statements that produce
2N/A debug output. Use a fallback in this case. */
2N/A if (ap->a.a_string == NULL)
2N/A ap->a.a_string = "(NULL)";
2N/A break;
2N/A#if HAVE_WCHAR_T
2N/A case TYPE_WIDE_STRING:
2N/A ap->a.a_wide_string = va_arg (args, const wchar_t *);
2N/A /* A null pointer is an invalid argument for "%ls", but in practice
2N/A it occurs quite frequently in printf statements that produce
2N/A debug output. Use a fallback in this case. */
2N/A if (ap->a.a_wide_string == NULL)
2N/A {
2N/A static const wchar_t wide_null_string[] =
2N/A {
2N/A (wchar_t)'(',
2N/A (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
2N/A (wchar_t)')',
2N/A (wchar_t)0
2N/A };
2N/A ap->a.a_wide_string = wide_null_string;
2N/A }
2N/A break;
2N/A#endif
2N/A case TYPE_POINTER:
2N/A ap->a.a_pointer = va_arg (args, void *);
2N/A break;
2N/A case TYPE_COUNT_SCHAR_POINTER:
2N/A ap->a.a_count_schar_pointer = va_arg (args, signed char *);
2N/A break;
2N/A case TYPE_COUNT_SHORT_POINTER:
2N/A ap->a.a_count_short_pointer = va_arg (args, short *);
2N/A break;
2N/A case TYPE_COUNT_INT_POINTER:
2N/A ap->a.a_count_int_pointer = va_arg (args, int *);
2N/A break;
2N/A case TYPE_COUNT_LONGINT_POINTER:
2N/A ap->a.a_count_longint_pointer = va_arg (args, long int *);
2N/A break;
2N/A#if HAVE_LONG_LONG_INT
2N/A case TYPE_COUNT_LONGLONGINT_POINTER:
2N/A ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
2N/A break;
2N/A#endif
2N/A#if ENABLE_UNISTDIO
2N/A /* The unistdio extensions. */
2N/A case TYPE_U8_STRING:
2N/A ap->a.a_u8_string = va_arg (args, const uint8_t *);
2N/A /* A null pointer is an invalid argument for "%U", but in practice
2N/A it occurs quite frequently in printf statements that produce
2N/A debug output. Use a fallback in this case. */
2N/A if (ap->a.a_u8_string == NULL)
2N/A {
2N/A static const uint8_t u8_null_string[] =
2N/A { '(', 'N', 'U', 'L', 'L', ')', 0 };
2N/A ap->a.a_u8_string = u8_null_string;
2N/A }
2N/A break;
2N/A case TYPE_U16_STRING:
2N/A ap->a.a_u16_string = va_arg (args, const uint16_t *);
2N/A /* A null pointer is an invalid argument for "%lU", but in practice
2N/A it occurs quite frequently in printf statements that produce
2N/A debug output. Use a fallback in this case. */
2N/A if (ap->a.a_u16_string == NULL)
2N/A {
2N/A static const uint16_t u16_null_string[] =
2N/A { '(', 'N', 'U', 'L', 'L', ')', 0 };
2N/A ap->a.a_u16_string = u16_null_string;
2N/A }
2N/A break;
2N/A case TYPE_U32_STRING:
2N/A ap->a.a_u32_string = va_arg (args, const uint32_t *);
2N/A /* A null pointer is an invalid argument for "%llU", but in practice
2N/A it occurs quite frequently in printf statements that produce
2N/A debug output. Use a fallback in this case. */
2N/A if (ap->a.a_u32_string == NULL)
2N/A {
2N/A static const uint32_t u32_null_string[] =
2N/A { '(', 'N', 'U', 'L', 'L', ')', 0 };
2N/A ap->a.a_u32_string = u32_null_string;
2N/A }
2N/A break;
2N/A#endif
2N/A default:
2N/A /* Unknown type. */
2N/A return -1;
2N/A }
2N/A return 0;
2N/A}