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 */
|
---|