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
|
/* Checking macros for stdlib functions.
Copyright (C) 2005-2020 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
<https://www.gnu.org/licenses/>. */
#ifndef _STDLIB_H
# error "Never include <bits/stdlib.h> directly; use <stdlib.h> instead."
#endif
extern char *__realpath_chk (const char *__restrict __name,
char *__restrict __resolved,
size_t __resolvedlen) __THROW __wur;
extern char *__REDIRECT_NTH (__realpath_alias,
(const char *__restrict __name,
char *__restrict __resolved), realpath) __wur;
extern char *__REDIRECT_NTH (__realpath_chk_warn,
(const char *__restrict __name,
char *__restrict __resolved,
size_t __resolvedlen), __realpath_chk) __wur
__warnattr ("second argument of realpath must be either NULL or at "
"least PATH_MAX bytes long buffer");
__fortify_function __wur char *
__NTH (realpath (const char *__restrict __name, char *__restrict __resolved))
{
if (__glibc_objsize (__resolved) != (size_t) -1)
{
#if defined _LIBC_LIMITS_H_ && defined PATH_MAX
if (__glibc_objsize (__resolved) < PATH_MAX)
return __realpath_chk_warn (__name, __resolved,
__glibc_objsize (__resolved));
#endif
return __realpath_chk (__name, __resolved, __glibc_objsize (__resolved));
}
return __realpath_alias (__name, __resolved);
}
extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
size_t __nreal) __THROW __nonnull ((2))
__attr_access ((__write_only__, 2, 3));
extern int __REDIRECT_NTH (__ptsname_r_alias, (int __fd, char *__buf,
size_t __buflen), ptsname_r)
__nonnull ((2)) __attr_access ((__write_only__, 2, 3));
extern int __REDIRECT_NTH (__ptsname_r_chk_warn,
(int __fd, char *__buf, size_t __buflen,
size_t __nreal), __ptsname_r_chk)
__nonnull ((2)) __warnattr ("ptsname_r called with buflen bigger than "
"size of buf");
__fortify_function int
__NTH (ptsname_r (int __fd, char *__buf, size_t __buflen))
{
if (__glibc_objsize (__buf) != (size_t) -1)
{
if (!__builtin_constant_p (__buflen))
return __ptsname_r_chk (__fd, __buf, __buflen,
__glibc_objsize (__buf));
if (__buflen > __glibc_objsize (__buf))
return __ptsname_r_chk_warn (__fd, __buf, __buflen,
__glibc_objsize (__buf));
}
return __ptsname_r_alias (__fd, __buf, __buflen);
}
extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
__THROW __wur;
extern int __REDIRECT_NTH (__wctomb_alias, (char *__s, wchar_t __wchar),
wctomb) __wur;
__fortify_function __wur int
__NTH (wctomb (char *__s, wchar_t __wchar))
{
/* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
But this would only disturb the namespace. So we define our own
version here. */
#define __STDLIB_MB_LEN_MAX 16
#if defined MB_LEN_MAX && MB_LEN_MAX != __STDLIB_MB_LEN_MAX
# error "Assumed value of MB_LEN_MAX wrong"
#endif
if (__glibc_objsize (__s) != (size_t) -1
&& __STDLIB_MB_LEN_MAX > __glibc_objsize (__s))
return __wctomb_chk (__s, __wchar, __glibc_objsize (__s));
return __wctomb_alias (__s, __wchar);
}
extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
const char *__restrict __src,
size_t __len, size_t __dstlen) __THROW
__attr_access ((__write_only__, 1, 3)) __attr_access ((__read_only__, 2));
extern size_t __REDIRECT_NTH (__mbstowcs_alias,
(wchar_t *__restrict __dst,
const char *__restrict __src,
size_t __len), mbstowcs)
__attr_access ((__write_only__, 1, 3)) __attr_access ((__read_only__, 2));
extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
(wchar_t *__restrict __dst,
const char *__restrict __src,
size_t __len, size_t __dstlen), __mbstowcs_chk)
__warnattr ("mbstowcs called with dst buffer smaller than len "
"* sizeof (wchar_t)");
__fortify_function size_t
__NTH (mbstowcs (wchar_t *__restrict __dst, const char *__restrict __src,
size_t __len))
{
if (__glibc_objsize (__dst) != (size_t) -1)
{
if (!__builtin_constant_p (__len))
return __mbstowcs_chk (__dst, __src, __len,
__glibc_objsize (__dst) / sizeof (wchar_t));
if (__len > __glibc_objsize (__dst) / sizeof (wchar_t))
return __mbstowcs_chk_warn (__dst, __src, __len,
(__glibc_objsize (__dst)
/ sizeof (wchar_t)));
}
return __mbstowcs_alias (__dst, __src, __len);
}
extern size_t __wcstombs_chk (char *__restrict __dst,
const wchar_t *__restrict __src,
size_t __len, size_t __dstlen) __THROW
__attr_access ((__write_only__, 1, 3)) __attr_access ((__read_only__, 2));
extern size_t __REDIRECT_NTH (__wcstombs_alias,
(char *__restrict __dst,
const wchar_t *__restrict __src,
size_t __len), wcstombs)
__attr_access ((__write_only__, 1, 3)) __attr_access ((__read_only__, 2));
extern size_t __REDIRECT_NTH (__wcstombs_chk_warn,
(char *__restrict __dst,
const wchar_t *__restrict __src,
size_t __len, size_t __dstlen), __wcstombs_chk)
__warnattr ("wcstombs called with dst buffer smaller than len");
__fortify_function size_t
__NTH (wcstombs (char *__restrict __dst, const wchar_t *__restrict __src,
size_t __len))
{
if (__glibc_objsize (__dst) != (size_t) -1)
{
if (!__builtin_constant_p (__len))
return __wcstombs_chk (__dst, __src, __len, __glibc_objsize (__dst));
if (__len > __glibc_objsize (__dst))
return __wcstombs_chk_warn (__dst, __src, __len,
__glibc_objsize (__dst));
}
return __wcstombs_alias (__dst, __src, __len);
}
|
