1 | /* |
2 | * Copyright (c) 2022 Apple 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 | #ifndef _MACHINE_STRING_H_ |
30 | #define _MACHINE_STRING_H_ |
31 | |
32 | #include <sys/cdefs.h> |
33 | |
34 | /* |
35 | * Below are prototypes that call into a precise symbol, |
36 | * and prevent the compiler from using a builtin. |
37 | */ |
38 | |
39 | /* |
40 | * Memory functions |
41 | */ |
42 | extern int bcmp_impl(const void *, const void *, size_t) asm("_bcmp" ); |
43 | extern int memcmp_impl(const void *, const void *, size_t) asm("_memcmp" ); |
44 | |
45 | extern unsigned long memcmp_zero_ptr_aligned_impl(const void *addr, size_t size) asm("_memcmp_zero_ptr_aligned" ); |
46 | |
47 | extern void *bzero_impl(void *, const void *, size_t) asm("_bzero" ); |
48 | extern void *memset_impl(void *, int c, size_t) asm("_memset" ); |
49 | |
50 | extern void *memcpy_impl(void *, const void *, size_t) asm("_memcpy" ); |
51 | extern void *memmove_impl(void *, const void *, size_t) asm("_memmove" ); |
52 | extern void bcopy_impl(const void *, void *, size_t) asm("_bcopy" ); |
53 | |
54 | /* |
55 | * String functions |
56 | */ |
57 | extern size_t strlen_impl(const char *) asm("_strlen" ); |
58 | extern size_t strnlen_impl(const char *s, size_t) asm("_strnlen" ); |
59 | |
60 | extern int strprefix_impl(const char *, const char *) asm("_strprefix" ); |
61 | |
62 | extern int strcmp_impl(const char *, const char *) asm("_strcmp" ); |
63 | extern int strncmp_impl(const char *, const char *, size_t) asm("_strncmp" ); |
64 | extern int strlcmp_impl(const char *, const char *, size_t) asm("_strlcmp" ); |
65 | extern int strbufcmp_impl(const char *, size_t, const char *, size_t) asm("_strbufcmp" ); |
66 | extern int strcasecmp_impl(const char *, const char *) asm("_strcasecmp" ); |
67 | extern int strncasecmp_impl(const char *, const char *, size_t) asm("_strncasecmp" ); |
68 | extern int strlcasecmp_impl(const char *, const char *, size_t) asm("_strlcasecmp" ); |
69 | extern int strbufcasecmp_impl(const char *, size_t, const char *, size_t) asm("_strbufcasecmp" ); |
70 | |
71 | extern char *strchr_impl(const char *, int) asm("_strchr" ); |
72 | extern char *strrchr_impl(const char *, int) asm("_strrchr" ); |
73 | extern char *strnstr_impl(const char *s, const char *, size_t) asm("_strnstr" ); |
74 | |
75 | extern size_t strlcat_impl(char *, const char *, size_t) asm("_strlcat" ); |
76 | extern const char *strbufcat_impl(char *, size_t, const char *, size_t) asm("_strbufcat" ); |
77 | extern size_t strlcpy_impl(char *, const char *, size_t) asm("_strlcpy" ); |
78 | extern const char *strbufcpy_impl(char *, size_t, const char *, size_t) asm("_strbufcpy" ); |
79 | |
80 | /* |
81 | * Deprecated functions |
82 | */ |
83 | extern char *strncpy_impl(char *, const char *, size_t) asm("_strncpy" ); |
84 | extern char *strncat_impl(char *, const char *, size_t) asm("_strncat" ); |
85 | |
86 | #if CONFIG_VSPRINTF |
87 | extern char *strcpy_impl(char *, const char *) asm("_strcpy" ); |
88 | extern char *strcat_impl(char *, const char *) asm("_strcat" ); |
89 | #endif |
90 | |
91 | #endif /* _MACHINE_STRING_H_ */ |
92 | |