1/* Decomposed printf argument list.
2   Copyright (C) 1999, 2002-2003, 2005-2006 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify it
5   under the terms of the GNU Library General Public License as published
6   by the Free Software Foundation; either version 2, or (at your option)
7   any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Library General Public License for more details.
13
14   You should have received a copy of the GNU Library General Public
15   License along with this program; if not, write to the Free Software
16   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17   USA.  */
18
19#include <config.h>
20
21/* Specification.  */
22#include "printf-args.h"
23
24#ifdef STATIC
25STATIC
26#endif
27int
28printf_fetchargs (va_list args, arguments *a)
29{
30  size_t i;
31  argument *ap;
32
33  for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
34    switch (ap->type)
35      {
36      case TYPE_SCHAR:
37	ap->a.a_schar = va_arg (args, /*signed char*/ int);
38	break;
39      case TYPE_UCHAR:
40	ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
41	break;
42      case TYPE_SHORT:
43	ap->a.a_short = va_arg (args, /*short*/ int);
44	break;
45      case TYPE_USHORT:
46	ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
47	break;
48      case TYPE_INT:
49	ap->a.a_int = va_arg (args, int);
50	break;
51      case TYPE_UINT:
52	ap->a.a_uint = va_arg (args, unsigned int);
53	break;
54      case TYPE_LONGINT:
55	ap->a.a_longint = va_arg (args, long int);
56	break;
57      case TYPE_ULONGINT:
58	ap->a.a_ulongint = va_arg (args, unsigned long int);
59	break;
60#ifdef HAVE_LONG_LONG_INT
61      case TYPE_LONGLONGINT:
62	ap->a.a_longlongint = va_arg (args, long long int);
63	break;
64      case TYPE_ULONGLONGINT:
65	ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
66	break;
67#endif
68      case TYPE_DOUBLE:
69	ap->a.a_double = va_arg (args, double);
70	break;
71#ifdef HAVE_LONG_DOUBLE
72      case TYPE_LONGDOUBLE:
73	ap->a.a_longdouble = va_arg (args, long double);
74	break;
75#endif
76      case TYPE_CHAR:
77	ap->a.a_char = va_arg (args, int);
78	break;
79#ifdef HAVE_WINT_T
80      case TYPE_WIDE_CHAR:
81	/* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
82	   default argument promotions", this is not the case in mingw32,
83	   where wint_t is 'unsigned short'.  */
84	ap->a.a_wide_char =
85	  (sizeof (wint_t) < sizeof (int)
86	   ? va_arg (args, int)
87	   : va_arg (args, wint_t));
88	break;
89#endif
90      case TYPE_STRING:
91	ap->a.a_string = va_arg (args, const char *);
92	/* A null pointer is an invalid argument for "%s", but in practice
93	   it occurs quite frequently in printf statements that produce
94	   debug output.  Use a fallback in this case.  */
95	if (ap->a.a_string == NULL)
96	  ap->a.a_string = "(NULL)";
97	break;
98#ifdef HAVE_WCHAR_T
99      case TYPE_WIDE_STRING:
100	ap->a.a_wide_string = va_arg (args, const wchar_t *);
101	/* A null pointer is an invalid argument for "%ls", but in practice
102	   it occurs quite frequently in printf statements that produce
103	   debug output.  Use a fallback in this case.  */
104	if (ap->a.a_wide_string == NULL)
105	  {
106	    static const wchar_t wide_null_string[] =
107	      {
108		(wchar_t)'(',
109		(wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
110		(wchar_t)')',
111		(wchar_t)0
112	      };
113	    ap->a.a_wide_string = wide_null_string;
114	  }
115	break;
116#endif
117      case TYPE_POINTER:
118	ap->a.a_pointer = va_arg (args, void *);
119	break;
120      case TYPE_COUNT_SCHAR_POINTER:
121	ap->a.a_count_schar_pointer = va_arg (args, signed char *);
122	break;
123      case TYPE_COUNT_SHORT_POINTER:
124	ap->a.a_count_short_pointer = va_arg (args, short *);
125	break;
126      case TYPE_COUNT_INT_POINTER:
127	ap->a.a_count_int_pointer = va_arg (args, int *);
128	break;
129      case TYPE_COUNT_LONGINT_POINTER:
130	ap->a.a_count_longint_pointer = va_arg (args, long int *);
131	break;
132#ifdef HAVE_LONG_LONG_INT
133      case TYPE_COUNT_LONGLONGINT_POINTER:
134	ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
135	break;
136#endif
137      default:
138	/* Unknown type.  */
139	return -1;
140      }
141  return 0;
142}
143