1 | /* |
2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* |
29 | * NOTICE: This file was modified by McAfee Research in 2004 to introduce |
30 | * support for mandatory and extensible security protections. This notice |
31 | * is included in support of clause 2.2 (b) of the Apple Public License, |
32 | * Version 2.0. |
33 | */ |
34 | /* |
35 | * HISTORY |
36 | * @OSF_COPYRIGHT@ |
37 | */ |
38 | #ifndef _STRING_H_ |
39 | #define _STRING_H_ 1 |
40 | |
41 | #ifdef MACH_KERNEL_PRIVATE |
42 | #include <types.h> |
43 | #else |
44 | #include <sys/types.h> |
45 | #endif |
46 | |
47 | #ifdef __cplusplus |
48 | extern "C" { |
49 | #endif |
50 | |
51 | #ifndef NULL |
52 | #if defined (__cplusplus) |
53 | #define NULL 0 |
54 | #else |
55 | #define NULL ((void *)0) |
56 | #endif |
57 | #endif |
58 | |
59 | extern void *memcpy(void *, const void *, size_t); |
60 | extern int memcmp(const void *, const void *, size_t); |
61 | extern void *memmove(void *, const void *, size_t); |
62 | extern void *memset(void *, int, size_t); |
63 | extern int memset_s(void *, size_t, int, size_t); |
64 | |
65 | extern size_t strlen(const char *); |
66 | extern size_t strnlen(const char *, size_t); |
67 | |
68 | /* strcpy() is being deprecated. Please use strlcpy() instead. */ |
69 | extern char *strcpy(char *, const char *) __deprecated; |
70 | extern char *strncpy(char *, const char *, size_t); |
71 | |
72 | extern size_t strlcat(char *, const char *, size_t); |
73 | extern size_t strlcpy(char *, const char *, size_t); |
74 | |
75 | /* strcat() is being deprecated. Please use strlcat() instead. */ |
76 | extern char *strcat(char *, const char *) __deprecated; |
77 | extern char *strncat(char *, const char *, size_t); |
78 | |
79 | /* strcmp() is being deprecated. Please use strncmp() instead. */ |
80 | extern int strcmp(const char *, const char *); |
81 | extern int strncmp(const char *,const char *, size_t); |
82 | |
83 | extern int strcasecmp(const char *s1, const char *s2); |
84 | extern int strncasecmp(const char *s1, const char *s2, size_t n); |
85 | extern char *strnstr(char *s, const char *find, size_t slen); |
86 | extern char *strchr(const char *s, int c); |
87 | #ifdef XNU_KERNEL_PRIVATE |
88 | extern char *strrchr(const char *s, int c); |
89 | #endif |
90 | extern char *STRDUP(const char *, int); |
91 | extern int strprefix(const char *s1, const char *s2); |
92 | |
93 | extern int bcmp(const void *, const void *, size_t); |
94 | extern void bcopy(const void *, void *, size_t); |
95 | extern void bzero(void *, size_t); |
96 | |
97 | #ifdef PRIVATE |
98 | #include <san/memintrinsics.h> |
99 | #endif |
100 | |
101 | #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_13 |
102 | /* older deployment target */ |
103 | #elif defined(KASAN) || (defined (_FORTIFY_SOURCE) && _FORTIFY_SOURCE == 0) |
104 | /* FORTIFY_SOURCE disabled */ |
105 | #else /* _chk macros */ |
106 | #if __has_builtin(__builtin___memcpy_chk) |
107 | #define memcpy(dest, src, len) __builtin___memcpy_chk(dest, src, len, __builtin_object_size(dest, 0)) |
108 | #endif |
109 | |
110 | #if __has_builtin(__builtin___memmove_chk) |
111 | #define memmove(dest, src, len) __builtin___memmove_chk(dest, src, len, __builtin_object_size(dest, 0)) |
112 | #endif |
113 | |
114 | #if __has_builtin(__builtin___strncpy_chk) |
115 | #define strncpy(dest, src, len) __builtin___strncpy_chk(dest, src, len, __builtin_object_size(dest, 1)) |
116 | #endif |
117 | |
118 | #if __has_builtin(__builtin___strncat_chk) |
119 | #define strncat(dest, src, len) __builtin___strncat_chk(dest, src, len, __builtin_object_size(dest, 1)) |
120 | #endif |
121 | |
122 | #if __has_builtin(__builtin___strlcat_chk) |
123 | #define strlcat(dest, src, len) __builtin___strlcat_chk(dest, src, len, __builtin_object_size(dest, 1)) |
124 | #endif |
125 | |
126 | #if __has_builtin(__builtin___strlcpy_chk) |
127 | #define strlcpy(dest, src, len) __builtin___strlcpy_chk(dest, src, len, __builtin_object_size(dest, 1)) |
128 | #endif |
129 | |
130 | #if __has_builtin(__builtin___strcpy_chk) |
131 | #define strcpy(dest, src, len) __builtin___strcpy_chk(dest, src, __builtin_object_size(dest, 1)) |
132 | #endif |
133 | |
134 | #if __has_builtin(__builtin___strcat_chk) |
135 | #define strcat(dest, src) __builtin___strcat_chk(dest, src, __builtin_object_size(dest, 1)) |
136 | #endif |
137 | |
138 | #if __has_builtin(__builtin___memmove_chk) |
139 | #define bcopy(src, dest, len) __builtin___memmove_chk(dest, src, len, __builtin_object_size(dest, 0)) |
140 | #endif |
141 | |
142 | #endif /* _chk macros */ |
143 | #ifdef __cplusplus |
144 | } |
145 | #endif |
146 | |
147 | #endif /* _STRING_H_ */ |
148 | |