1// -*- C++ -*- forwarding header.
2
3// Copyright (C) 1997-2016 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#ifndef _GLIBCXX_CSTRING
40#define _GLIBCXX_CSTRING 1
41
42#pragma GCC system_header
43
44#include <bits/c++config.h>
45#include <string.h>
46
47// Get rid of those macros defined in <string.h> in lieu of real functions.
48#undef memcpy
49#undef memmove
50#undef strcpy
51#undef strncpy
52#undef strcat
53#undef strncat
54#undef memcmp
55#undef strcmp
56#undef strcoll
57#undef strncmp
58#undef strxfrm
59#undef memchr
60#undef strchr
61#undef strcspn
62#undef strpbrk
63#undef strrchr
64#undef strspn
65#undef strstr
66#undef strtok
67#undef memset
68#undef strerror
69#undef strlen
70
71namespace std _GLIBCXX_VISIBILITY(default)
72{
73_GLIBCXX_BEGIN_NAMESPACE_VERSION
74
75  using ::memcpy;
76  using ::memmove;
77  using ::strcpy;
78  using ::strncpy;
79  using ::strcat;
80  using ::strncat;
81  using ::memcmp;
82  using ::strcmp;
83  using ::strcoll;
84  using ::strncmp;
85  using ::strxfrm;
86  using ::strcspn;
87  using ::strspn;
88  using ::strtok;
89  using ::memset;
90  using ::strerror;
91  using ::strlen;
92  using ::memchr;
93  using ::strchr;
94  using ::strpbrk;
95  using ::strrchr;
96  using ::strstr;
97
98#ifndef __CORRECT_ISO_CPP_STRING_H_PROTO
99  inline void*
100  memchr(void* __s, int __c, size_t __n)
101  { return __builtin_memchr(__s, __c, __n); }
102
103  inline char*
104  strchr(char* __s, int __n)
105  { return __builtin_strchr(__s, __n); }
106
107  inline char*
108  strpbrk(char* __s1, const char* __s2)
109  { return __builtin_strpbrk(__s1, __s2); }
110
111  inline char*
112  strrchr(char* __s, int __n)
113  { return __builtin_strrchr(__s, __n); }
114
115  inline char*
116  strstr(char* __s1, const char* __s2)
117  { return __builtin_strstr(__s1, __s2); }
118#endif
119
120_GLIBCXX_END_NAMESPACE_VERSION
121} // namespace
122
123#endif
124