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1/* Checking macros for string functions.
2 Copyright (C) 2004-2017 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11In addition to the permissions in the GNU General Public License, the
12Free Software Foundation gives you unlimited permission to link the
13compiled version of this file into combinations with other programs,
14and to distribute those combinations without any restriction coming
15from the use of this file. (The General Public License restrictions
16do apply in other respects; for example, they cover modification of
17the file, and distribution when not linked into a combine
18executable.)
19
20GCC is distributed in the hope that it will be useful, but WITHOUT ANY
21WARRANTY; without even the implied warranty of MERCHANTABILITY or
22FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
23for more details.
24
25Under Section 7 of GPL version 3, you are granted additional
26permissions described in the GCC Runtime Library Exception, version
273.1, as published by the Free Software Foundation.
28
29You should have received a copy of the GNU General Public License and
30a copy of the GCC Runtime Library Exception along with this program;
31see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
32<http://www.gnu.org/licenses/>. */
33
34
35#ifndef _SSP_STRING_H
36#define _SSP_STRING_H 1
37
38#include <ssp.h>
39#include_next <string.h>
40
41#if __SSP_FORTIFY_LEVEL > 0
42
43#undef memcpy
44#undef memmove
45#undef memset
46#undef strcat
47#undef strcpy
48#undef strncat
49#undef strncpy
50#undef mempcpy
51#undef stpcpy
52#undef bcopy
53#undef bzero
54
55#define memcpy(dest, src, len) \
56 ((__ssp_bos0 (dest) != (size_t) -1) \
57 ? __builtin___memcpy_chk (dest, src, len, __ssp_bos0 (dest)) \
58 : __memcpy_ichk (dest, src, len))
59static inline __attribute__((__always_inline__)) void *
60__memcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src,
61 size_t __len)
62{
63 return __builtin___memcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest));
64}
65
66
67#define memmove(dest, src, len) \
68 ((__ssp_bos0 (dest) != (size_t) -1) \
69 ? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest)) \
70 : __memmove_ichk (dest, src, len))
71static inline __attribute__((__always_inline__)) void *
72__memmove_ichk (void *__dest, const void *__src, size_t __len)
73{
74 return __builtin___memmove_chk (__dest, __src, __len, __ssp_bos0 (__dest));
75}
76
77
78#define mempcpy(dest, src, len) \
79 ((__ssp_bos0 (dest) != (size_t) -1) \
80 ? __builtin___mempcpy_chk (dest, src, len, __ssp_bos0 (dest)) \
81 : __mempcpy_ichk (dest, src, len))
82static inline __attribute__((__always_inline__)) void *
83__mempcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src,
84 size_t __len)
85{
86 return __builtin___mempcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest));
87}
88
89
90#define memset(dest, ch, len) \
91 ((__ssp_bos0 (dest) != (size_t) -1) \
92 ? __builtin___memset_chk (dest, ch, len, __ssp_bos0 (dest)) \
93 : __memset_ichk (dest, ch, len))
94static inline __attribute__((__always_inline__)) void *
95__memset_ichk (void *__dest, int __ch, size_t __len)
96{
97 return __builtin___memset_chk (__dest, __ch, __len, __ssp_bos0 (__dest));
98}
99
100#define bcopy(src, dest, len) ((void) \
101 ((__ssp_bos0 (dest) != (size_t) -1) \
102 ? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest)) \
103 : __memmove_ichk (dest, src, len)))
104#define bzero(dest, len) ((void) \
105 ((__ssp_bos0 (dest) != (size_t) -1) \
106 ? __builtin___memset_chk (dest, '\0', len, __ssp_bos0 (dest)) \
107 : __memset_ichk (dest, '\0', len)))
108
109
110#define strcpy(dest, src) \
111 ((__ssp_bos (dest) != (size_t) -1) \
112 ? __builtin___strcpy_chk (dest, src, __ssp_bos (dest)) \
113 : __strcpy_ichk (dest, src))
114static inline __attribute__((__always_inline__)) char *
115__strcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src)
116{
117 return __builtin___strcpy_chk (__dest, __src, __ssp_bos (__dest));
118}
119
120
121#define stpcpy(dest, src) \
122 ((__ssp_bos (dest) != (size_t) -1) \
123 ? __builtin___stpcpy_chk (dest, src, __ssp_bos (dest)) \
124 : __stpcpy_ichk (dest, src))
125static inline __attribute__((__always_inline__)) char *
126__stpcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src)
127{
128 return __builtin___stpcpy_chk (__dest, __src, __ssp_bos (__dest));
129}
130
131
132#define strncpy(dest, src, len) \
133 ((__ssp_bos (dest) != (size_t) -1) \
134 ? __builtin___strncpy_chk (dest, src, len, __ssp_bos (dest)) \
135 : __strncpy_ichk (dest, src, len))
136static inline __attribute__((__always_inline__)) char *
137__strncpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src,
138 size_t __len)
139{
140 return __builtin___strncpy_chk (__dest, __src, __len, __ssp_bos (__dest));
141}
142
143
144#define strcat(dest, src) \
145 ((__ssp_bos (dest) != (size_t) -1) \
146 ? __builtin___strcat_chk (dest, src, __ssp_bos (dest)) \
147 : __strcat_ichk (dest, src))
148static inline __attribute__((__always_inline__)) char *
149__strcat_ichk (char *__restrict__ __dest, const char *__restrict__ __src)
150{
151 return __builtin___strcat_chk (__dest, __src, __ssp_bos (__dest));
152}
153
154
155#define strncat(dest, src, len) \
156 ((__ssp_bos (dest) != (size_t) -1) \
157 ? __builtin___strncat_chk (dest, src, len, __ssp_bos (dest)) \
158 : __strncat_ichk (dest, src, len))
159static inline __attribute__((__always_inline__)) char *
160__strncat_ichk (char *__restrict__ __dest, const char *__restrict__ __src,
161 size_t __len)
162{
163 return __builtin___strncat_chk (__dest, __src, __len, __ssp_bos (__dest));
164}
165
166#endif /* __SSP_FORTIFY_LEVEL > 0 */
167#endif /* _SSP_STRING_H */
168

Warning: That file was not part of the compilation database. It may have many parsing errors.