|
0
|
1 /* Checking macros for string functions.
|
|
|
2 Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc.
|
|
|
3
|
|
|
4 This file is part of GCC.
|
|
|
5
|
|
|
6 GCC is free software; you can redistribute it and/or modify it under
|
|
|
7 the terms of the GNU General Public License as published by the Free
|
|
|
8 Software Foundation; either version 3, or (at your option) any later
|
|
|
9 version.
|
|
|
10
|
|
|
11 In addition to the permissions in the GNU General Public License, the
|
|
|
12 Free Software Foundation gives you unlimited permission to link the
|
|
|
13 compiled version of this file into combinations with other programs,
|
|
|
14 and to distribute those combinations without any restriction coming
|
|
|
15 from the use of this file. (The General Public License restrictions
|
|
|
16 do apply in other respects; for example, they cover modification of
|
|
|
17 the file, and distribution when not linked into a combine
|
|
|
18 executable.)
|
|
|
19
|
|
|
20 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
|
21 WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
22 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
23 for more details.
|
|
|
24
|
|
|
25 Under Section 7 of GPL version 3, you are granted additional
|
|
|
26 permissions described in the GCC Runtime Library Exception, version
|
|
|
27 3.1, as published by the Free Software Foundation.
|
|
|
28
|
|
|
29 You should have received a copy of the GNU General Public License and
|
|
|
30 a copy of the GCC Runtime Library Exception along with this program;
|
|
|
31 see 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))
|
|
|
59 static 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))
|
|
|
71 static 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))
|
|
|
82 static 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))
|
|
|
94 static 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))
|
|
|
114 static 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))
|
|
|
125 static 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))
|
|
|
136 static 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))
|
|
|
148 static 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))
|
|
|
159 static 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 */
|
