aboutsummaryrefslogtreecommitdiff
path: root/libstdc++-v3/include/c_global/cstring
blob: 082f529f0a2dc270daa47ab58cb19e523bb054b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
// -*- C++ -*- forwarding header.

// Copyright (C) 1997-2025 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file cstring
 *  This is a Standard C++ Library file.  You should @c \#include this file
 *  in your programs, rather than any of the @a *.h implementation files.
 *
 *  This is the C++ version of the Standard C Library header @c string.h,
 *  and its contents are (mostly) the same as that header, but are all
 *  contained in the namespace @c std (except for names which are defined
 *  as macros in C).
 */

//
// ISO C++ 14882: 20.4.6  C library
//

#ifndef _GLIBCXX_CSTRING
#define _GLIBCXX_CSTRING 1

#ifdef _GLIBCXX_SYSHDR
#pragma GCC system_header
#endif

#define __glibcxx_want_freestanding_cstring
#include <bits/version.h>
#include <string.h>

// Get rid of those macros defined in <string.h> in lieu of real functions.
#undef memchr
#undef memcmp
#undef memcpy
#undef memmove
#undef memset
#undef strcat
#undef strchr
#undef strcmp
#undef strcoll
#undef strcpy
#undef strcspn
#undef strerror
#undef strlen
#undef strncat
#undef strncmp
#undef strncpy
#undef strpbrk
#undef strrchr
#undef strspn
#undef strstr
#undef strtok
#undef strxfrm

extern "C++"
{
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

  using ::memchr;
  using ::memcmp;
  using ::memcpy;
  using ::memmove;
  using ::memset;
  using ::strcat;
  using ::strcmp;
  using ::strcoll;
  using ::strcpy;
  using ::strcspn;
  using ::strerror;
  using ::strlen;
  using ::strncat;
  using ::strncmp;
  using ::strncpy;
  using ::strspn;
#if _GLIBCXX_HOSTED || __cplusplus <= 202302L
  using ::strtok;
#endif
  using ::strxfrm;
  using ::strchr;
  using ::strpbrk;
  using ::strrchr;
  using ::strstr;

#ifndef __CORRECT_ISO_CPP_STRING_H_PROTO
  inline void*
  memchr(void* __s, int __c, size_t __n)
  { return __builtin_memchr(__s, __c, __n); }

  inline char*
  strchr(char* __s, int __n)
  { return __builtin_strchr(__s, __n); }

  inline char*
  strpbrk(char* __s1, const char* __s2)
  { return __builtin_strpbrk(__s1, __s2); }

  inline char*
  strrchr(char* __s, int __n)
  { return __builtin_strrchr(__s, __n); }

  inline char*
  strstr(char* __s1, const char* __s2)
  { return __builtin_strstr(__s1, __s2); }
#endif

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
} // extern "C++"

#endif