Mercurial > hg > CbC > CbC_gcc
comparison libssp/ssp/string.h @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | 04ced10e8804 |
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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 */ |