1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* Checking macros for fcntl functions.
Copyright (C) 2007-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _FCNTL_H
# error "Never include <bits/fcntl2.h> directly; use <fcntl.h> instead."
#endif
/* Check that calls to open and openat with O_CREAT set have an
appropriate third/fourth parameter. */
#ifndef __USE_FILE_OFFSET64
extern int __open_2 (const char *__path, int __oflag) __nonnull ((1));
extern int __REDIRECT (__open_alias, (const char *__path, int __oflag, ...),
open) __nonnull ((1));
#else
extern int __REDIRECT (__open_2, (const char *__path, int __oflag),
__open64_2) __nonnull ((1));
extern int __REDIRECT (__open_alias, (const char *__path, int __oflag, ...),
open64) __nonnull ((1));
#endif
__errordecl (__open_too_many_args,
"open can be called either with 2 or 3 arguments, not more");
__errordecl (__open_missing_mode,
"open with O_CREAT in second argument needs 3 arguments");
__fortify_function int
open (const char *__path, int __oflag, ...)
{
if (__va_arg_pack_len () > 1)
__open_too_many_args ();
if (__builtin_constant_p (__oflag))
{
if ((__oflag & O_CREAT) != 0 && __va_arg_pack_len () < 1)
{
__open_missing_mode ();
return __open_2 (__path, __oflag);
}
return __open_alias (__path, __oflag, __va_arg_pack ());
}
if (__va_arg_pack_len () < 1)
return __open_2 (__path, __oflag);
return __open_alias (__path, __oflag, __va_arg_pack ());
}
#ifdef __USE_LARGEFILE64
extern int __open64_2 (const char *__path, int __oflag) __nonnull ((1));
extern int __REDIRECT (__open64_alias, (const char *__path, int __oflag,
...), open64) __nonnull ((1));
__errordecl (__open64_too_many_args,
"open64 can be called either with 2 or 3 arguments, not more");
__errordecl (__open64_missing_mode,
"open64 with O_CREAT in second argument needs 3 arguments");
__fortify_function int
open64 (const char *__path, int __oflag, ...)
{
if (__va_arg_pack_len () > 1)
__open64_too_many_args ();
if (__builtin_constant_p (__oflag))
{
if ((__oflag & O_CREAT) != 0 && __va_arg_pack_len () < 1)
{
__open64_missing_mode ();
return __open64_2 (__path, __oflag);
}
return __open64_alias (__path, __oflag, __va_arg_pack ());
}
if (__va_arg_pack_len () < 1)
return __open64_2 (__path, __oflag);
return __open64_alias (__path, __oflag, __va_arg_pack ());
}
#endif
#ifdef __USE_ATFILE
# ifndef __USE_FILE_OFFSET64
extern int __openat_2 (int __fd, const char *__path, int __oflag)
__nonnull ((2));
extern int __REDIRECT (__openat_alias, (int __fd, const char *__path,
int __oflag, ...), openat)
__nonnull ((2));
# else
extern int __REDIRECT (__openat_2, (int __fd, const char *__path,
int __oflag), __openat64_2)
__nonnull ((2));
extern int __REDIRECT (__openat_alias, (int __fd, const char *__path,
int __oflag, ...), openat64)
__nonnull ((2));
# endif
__errordecl (__openat_too_many_args,
"openat can be called either with 3 or 4 arguments, not more");
__errordecl (__openat_missing_mode,
"openat with O_CREAT in third argument needs 4 arguments");
__fortify_function int
openat (int __fd, const char *__path, int __oflag, ...)
{
if (__va_arg_pack_len () > 1)
__openat_too_many_args ();
if (__builtin_constant_p (__oflag))
{
if ((__oflag & O_CREAT) != 0 && __va_arg_pack_len () < 1)
{
__openat_missing_mode ();
return __openat_2 (__fd, __path, __oflag);
}
return __openat_alias (__fd, __path, __oflag, __va_arg_pack ());
}
if (__va_arg_pack_len () < 1)
return __openat_2 (__fd, __path, __oflag);
return __openat_alias (__fd, __path, __oflag, __va_arg_pack ());
}
# ifdef __USE_LARGEFILE64
extern int __openat64_2 (int __fd, const char *__path, int __oflag)
__nonnull ((2));
extern int __REDIRECT (__openat64_alias, (int __fd, const char *__path,
int __oflag, ...), openat64)
__nonnull ((2));
__errordecl (__openat64_too_many_args,
"openat64 can be called either with 3 or 4 arguments, not more");
__errordecl (__openat64_missing_mode,
"openat64 with O_CREAT in third argument needs 4 arguments");
__fortify_function int
openat64 (int __fd, const char *__path, int __oflag, ...)
{
if (__va_arg_pack_len () > 1)
__openat64_too_many_args ();
if (__builtin_constant_p (__oflag))
{
if ((__oflag & O_CREAT) != 0 && __va_arg_pack_len () < 1)
{
__openat64_missing_mode ();
return __openat64_2 (__fd, __path, __oflag);
}
return __openat64_alias (__fd, __path, __oflag, __va_arg_pack ());
}
if (__va_arg_pack_len () < 1)
return __openat64_2 (__fd, __path, __oflag);
return __openat64_alias (__fd, __path, __oflag, __va_arg_pack ());
}
# endif
#endif
|
