Mercurial > hg-old > index.cgi

comparison lib/printf-args.c @ 272:d5392bb5da3c 2.5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added generated files
author lost
date Sun, 16 Aug 2009 17:16:49 +0000
parents
children
comparison
equal deleted inserted replaced
271:3b793ba7a6c6 272:d5392bb5da3c
1 /* Decomposed printf argument list.
2 Copyright (C) 1999, 2002-2003, 2005-2007 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 3, 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 /* This file can be parametrized with the following macros:
19 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
20 PRINTF_FETCHARGS Name of the function to be defined.
21 STATIC Set to 'static' to declare the function static. */
22
23 #ifndef PRINTF_FETCHARGS
24 # include <config.h>
25 #endif
26
27 /* Specification. */
28 #ifndef PRINTF_FETCHARGS
29 # include "printf-args.h"
30 #endif
31
32 #ifdef STATIC
33 STATIC
34 #endif
35 int
36 PRINTF_FETCHARGS (va_list args, arguments *a)
37 {
38 size_t i;
39 argument *ap;
40
41 for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
42 switch (ap->type)
43 {
44 case TYPE_SCHAR:
45 ap->a.a_schar = va_arg (args, /*signed char*/ int);
46 break;
47 case TYPE_UCHAR:
48 ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
49 break;
50 case TYPE_SHORT:
51 ap->a.a_short = va_arg (args, /*short*/ int);
52 break;
53 case TYPE_USHORT:
54 ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
55 break;
56 case TYPE_INT:
57 ap->a.a_int = va_arg (args, int);
58 break;
59 case TYPE_UINT:
60 ap->a.a_uint = va_arg (args, unsigned int);
61 break;
62 case TYPE_LONGINT:
63 ap->a.a_longint = va_arg (args, long int);
64 break;
65 case TYPE_ULONGINT:
66 ap->a.a_ulongint = va_arg (args, unsigned long int);
67 break;
68 #if HAVE_LONG_LONG_INT
69 case TYPE_LONGLONGINT:
70 ap->a.a_longlongint = va_arg (args, long long int);
71 break;
72 case TYPE_ULONGLONGINT:
73 ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
74 break;
75 #endif
76 case TYPE_DOUBLE:
77 ap->a.a_double = va_arg (args, double);
78 break;
79 case TYPE_LONGDOUBLE:
80 ap->a.a_longdouble = va_arg (args, long double);
81 break;
82 case TYPE_CHAR:
83 ap->a.a_char = va_arg (args, int);
84 break;
85 #if HAVE_WINT_T
86 case TYPE_WIDE_CHAR:
87 /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
88 default argument promotions", this is not the case in mingw32,
89 where wint_t is 'unsigned short'. */
90 ap->a.a_wide_char =
91 (sizeof (wint_t) < sizeof (int)
92 ? va_arg (args, int)
93 : va_arg (args, wint_t));
94 break;
95 #endif
96 case TYPE_STRING:
97 ap->a.a_string = va_arg (args, const char *);
98 /* A null pointer is an invalid argument for "%s", but in practice
99 it occurs quite frequently in printf statements that produce
100 debug output. Use a fallback in this case. */
101 if (ap->a.a_string == NULL)
102 ap->a.a_string = "(NULL)";
103 break;
104 #if HAVE_WCHAR_T
105 case TYPE_WIDE_STRING:
106 ap->a.a_wide_string = va_arg (args, const wchar_t *);
107 /* A null pointer is an invalid argument for "%ls", but in practice
108 it occurs quite frequently in printf statements that produce
109 debug output. Use a fallback in this case. */
110 if (ap->a.a_wide_string == NULL)
111 {
112 static const wchar_t wide_null_string[] =
113 {
114 (wchar_t)'(',
115 (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
116 (wchar_t)')',
117 (wchar_t)0
118 };
119 ap->a.a_wide_string = wide_null_string;
120 }
121 break;
122 #endif
123 case TYPE_POINTER:
124 ap->a.a_pointer = va_arg (args, void *);
125 break;
126 case TYPE_COUNT_SCHAR_POINTER:
127 ap->a.a_count_schar_pointer = va_arg (args, signed char *);
128 break;
129 case TYPE_COUNT_SHORT_POINTER:
130 ap->a.a_count_short_pointer = va_arg (args, short *);
131 break;
132 case TYPE_COUNT_INT_POINTER:
133 ap->a.a_count_int_pointer = va_arg (args, int *);
134 break;
135 case TYPE_COUNT_LONGINT_POINTER:
136 ap->a.a_count_longint_pointer = va_arg (args, long int *);
137 break;
138 #if HAVE_LONG_LONG_INT
139 case TYPE_COUNT_LONGLONGINT_POINTER:
140 ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
141 break;
142 #endif
143 #if ENABLE_UNISTDIO
144 /* The unistdio extensions. */
145 case TYPE_U8_STRING:
146 ap->a.a_u8_string = va_arg (args, const uint8_t *);
147 /* A null pointer is an invalid argument for "%U", but in practice
148 it occurs quite frequently in printf statements that produce
149 debug output. Use a fallback in this case. */
150 if (ap->a.a_u8_string == NULL)
151 {
152 static const uint8_t u8_null_string[] =
153 { '(', 'N', 'U', 'L', 'L', ')', 0 };
154 ap->a.a_u8_string = u8_null_string;
155 }
156 break;
157 case TYPE_U16_STRING:
158 ap->a.a_u16_string = va_arg (args, const uint16_t *);
159 /* A null pointer is an invalid argument for "%lU", but in practice
160 it occurs quite frequently in printf statements that produce
161 debug output. Use a fallback in this case. */
162 if (ap->a.a_u16_string == NULL)
163 {
164 static const uint16_t u16_null_string[] =
165 { '(', 'N', 'U', 'L', 'L', ')', 0 };
166 ap->a.a_u16_string = u16_null_string;
167 }
168 break;
169 case TYPE_U32_STRING:
170 ap->a.a_u32_string = va_arg (args, const uint32_t *);
171 /* A null pointer is an invalid argument for "%llU", but in practice
172 it occurs quite frequently in printf statements that produce
173 debug output. Use a fallback in this case. */
174 if (ap->a.a_u32_string == NULL)
175 {
176 static const uint32_t u32_null_string[] =
177 { '(', 'N', 'U', 'L', 'L', ')', 0 };
178 ap->a.a_u32_string = u32_null_string;
179 }
180 break;
181 #endif
182 default:
183 /* Unknown type. */
184 return -1;
185 }
186 return 0;
187 }