source: trunk/essentials/app-arch/tar/lib/printf-args.c

Last change on this file was 3342, checked in by bird, 18 years ago

tar 1.16.1
File size: 4.0 KB
Line 
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
5 it under the terms of the GNU General Public License as published by
6 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
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
17
18#include <config.h>
19
20/* Specification. */
21#include "printf-args.h"
22
23#ifdef STATIC
24STATIC
25#endif
26int
27printf_fetchargs (va_list args, arguments *a)
28{
29 size_t i;
30 argument *ap;
31
32 for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
33 switch (ap->type)
34 {
35 case TYPE_SCHAR:
36 ap->a.a_schar = va_arg (args, /*signed char*/ int);
37 break;
38 case TYPE_UCHAR:
39 ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
40 break;
41 case TYPE_SHORT:
42 ap->a.a_short = va_arg (args, /*short*/ int);
43 break;
44 case TYPE_USHORT:
45 ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
46 break;
47 case TYPE_INT:
48 ap->a.a_int = va_arg (args, int);
49 break;
50 case TYPE_UINT:
51 ap->a.a_uint = va_arg (args, unsigned int);
52 break;
53 case TYPE_LONGINT:
54 ap->a.a_longint = va_arg (args, long int);
55 break;
56 case TYPE_ULONGINT:
57 ap->a.a_ulongint = va_arg (args, unsigned long int);
58 break;
59#ifdef HAVE_LONG_LONG_INT
60 case TYPE_LONGLONGINT:
61 ap->a.a_longlongint = va_arg (args, long long int);
62 break;
63 case TYPE_ULONGLONGINT:
64 ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
65 break;
66#endif
67 case TYPE_DOUBLE:
68 ap->a.a_double = va_arg (args, double);
69 break;
70#ifdef HAVE_LONG_DOUBLE
71 case TYPE_LONGDOUBLE:
72 ap->a.a_longdouble = va_arg (args, long double);
73 break;
74#endif
75 case TYPE_CHAR:
76 ap->a.a_char = va_arg (args, int);
77 break;
78#ifdef HAVE_WINT_T
79 case TYPE_WIDE_CHAR:
80 /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
81 default argument promotions", this is not the case in mingw32,
82 where wint_t is 'unsigned short'. */
83 ap->a.a_wide_char =
84 (sizeof (wint_t) < sizeof (int)
85 ? va_arg (args, int)
86 : va_arg (args, wint_t));
87 break;
88#endif
89 case TYPE_STRING:
90 ap->a.a_string = va_arg (args, const char *);
91 /* A null pointer is an invalid argument for "%s", but in practice
92 it occurs quite frequently in printf statements that produce
93 debug output. Use a fallback in this case. */
94 if (ap->a.a_string == NULL)
95 ap->a.a_string = "(NULL)";
96 break;
97#ifdef HAVE_WCHAR_T
98 case TYPE_WIDE_STRING:
99 ap->a.a_wide_string = va_arg (args, const wchar_t *);
100 /* A null pointer is an invalid argument for "%ls", but in practice
101 it occurs quite frequently in printf statements that produce
102 debug output. Use a fallback in this case. */
103 if (ap->a.a_wide_string == NULL)
104 {
105 static const wchar_t wide_null_string[] =
106 {
107 (wchar_t)'(',
108 (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
109 (wchar_t)')',
110 (wchar_t)0
111 };
112 ap->a.a_wide_string = wide_null_string;
113 }
114 break;
115#endif
116 case TYPE_POINTER:
117 ap->a.a_pointer = va_arg (args, void *);
118 break;
119 case TYPE_COUNT_SCHAR_POINTER:
120 ap->a.a_count_schar_pointer = va_arg (args, signed char *);
121 break;
122 case TYPE_COUNT_SHORT_POINTER:
123 ap->a.a_count_short_pointer = va_arg (args, short *);
124 break;
125 case TYPE_COUNT_INT_POINTER:
126 ap->a.a_count_int_pointer = va_arg (args, int *);
127 break;
128 case TYPE_COUNT_LONGINT_POINTER:
129 ap->a.a_count_longint_pointer = va_arg (args, long int *);
130 break;
131#ifdef HAVE_LONG_LONG_INT
132 case TYPE_COUNT_LONGLONGINT_POINTER:
133 ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
134 break;
135#endif
136 default:
137 /* Unknown type. */
138 return -1;
139 }
140 return 0;
141}
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