summaryrefslogtreecommitdiff
path: root/libstdc++-v3/include/c_std/std_cstring.h
blob: 934e491def64cf7e5469434f1e16681124b17d71 (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
// -*- C++ -*- forwarding header.

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
// 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 2, 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.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

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

/** @file cstring
 *  This is a Standard C++ Library file.  You should @c #include this file
 *  in your programs, rather than any of the "*.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.
 */

#ifndef _CSTRING
#define _CSTRING 1

#pragma GCC system_header

#include <cstddef>

#include <string.h>

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

namespace std 
{
  using ::memcpy;
  using ::memmove;
  using ::strcpy;
  using ::strncpy;
  using ::strcat;
  using ::strncat;
  using ::memcmp;
  using ::strcmp;
  using ::strcoll;
  using ::strncmp;
  using ::strxfrm;
  using ::strcspn;
  using ::strspn;
  using ::strtok;
  using ::memset;
  using ::strerror;
  using ::strlen;

  using ::memchr;

  inline void*
  memchr(void* __p, int __c, size_t __n)
  { return memchr(const_cast<const void*>(__p), __c, __n); }

  using ::strchr;

  inline char*
  strchr(char* __s1, int __n)
  { return __builtin_strchr(const_cast<const char*>(__s1), __n); }

  using ::strpbrk;

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

  using ::strrchr;

  inline char*
  strrchr(char* __s1, int __n)
  { return __builtin_strrchr(const_cast<const char*>(__s1), __n); }

  using ::strstr;

  inline char*
  strstr(char* __s1, const char* __s2)
  { return __builtin_strstr(const_cast<const char*>(__s1), __s2); }
}

#endif