1 | // -*- C++ -*- forwarding header. |
2 | |
3 | // Copyright (C) 1997-2024 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file cstring |
26 | * This is a Standard C++ Library file. You should @c \#include this file |
27 | * in your programs, rather than any of the @a *.h implementation files. |
28 | * |
29 | * This is the C++ version of the Standard C Library header @c string.h, |
30 | * and its contents are (mostly) the same as that header, but are all |
31 | * contained in the namespace @c std (except for names which are defined |
32 | * as macros in C). |
33 | */ |
34 | |
35 | // |
36 | // ISO C++ 14882: 20.4.6 C library |
37 | // |
38 | |
39 | #pragma GCC system_header |
40 | |
41 | #define __glibcxx_want_freestanding_cstring |
42 | #include <bits/version.h> |
43 | #include <string.h> |
44 | |
45 | #ifndef _GLIBCXX_CSTRING |
46 | #define _GLIBCXX_CSTRING 1 |
47 | |
48 | // Get rid of those macros defined in <string.h> in lieu of real functions. |
49 | #undef memchr |
50 | #undef memcmp |
51 | #undef memcpy |
52 | #undef memmove |
53 | #undef memset |
54 | #undef strcat |
55 | #undef strchr |
56 | #undef strcmp |
57 | #undef strcoll |
58 | #undef strcpy |
59 | #undef strcspn |
60 | #undef strerror |
61 | #undef strlen |
62 | #undef strncat |
63 | #undef strncmp |
64 | #undef strncpy |
65 | #undef strpbrk |
66 | #undef strrchr |
67 | #undef strspn |
68 | #undef strstr |
69 | #undef strtok |
70 | #undef strxfrm |
71 | |
72 | extern "C++" |
73 | { |
74 | namespace std _GLIBCXX_VISIBILITY(default) |
75 | { |
76 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
77 | |
78 | using ::memchr; |
79 | using ::memcmp; |
80 | using ::memcpy; |
81 | using ::memmove; |
82 | using ::memset; |
83 | using ::strcat; |
84 | using ::strcmp; |
85 | using ::strcoll; |
86 | using ::strcpy; |
87 | using ::strcspn; |
88 | using ::strerror; |
89 | using ::strlen; |
90 | using ::strncat; |
91 | using ::strncmp; |
92 | using ::strncpy; |
93 | using ::strspn; |
94 | #if _GLIBCXX_HOSTED || __cplusplus <= 202302L |
95 | using ::strtok; |
96 | #endif |
97 | using ::strxfrm; |
98 | using ::strchr; |
99 | using ::strpbrk; |
100 | using ::strrchr; |
101 | using ::strstr; |
102 | |
103 | #ifndef __CORRECT_ISO_CPP_STRING_H_PROTO |
104 | inline void* |
105 | memchr(void* __s, int __c, size_t __n) |
106 | { return __builtin_memchr(__s, __c, __n); } |
107 | |
108 | inline char* |
109 | strchr(char* __s, int __n) |
110 | { return __builtin_strchr(__s, __n); } |
111 | |
112 | inline char* |
113 | strpbrk(char* __s1, const char* __s2) |
114 | { return __builtin_strpbrk(__s1, __s2); } |
115 | |
116 | inline char* |
117 | strrchr(char* __s, int __n) |
118 | { return __builtin_strrchr(__s, __n); } |
119 | |
120 | inline char* |
121 | strstr(char* __s1, const char* __s2) |
122 | { return __builtin_strstr(__s1, __s2); } |
123 | #endif |
124 | |
125 | _GLIBCXX_END_NAMESPACE_VERSION |
126 | } // namespace |
127 | } // extern "C++" |
128 | |
129 | #endif |
130 | |