std_cstring.h revision 132720 
1// -*- C++ -*- forwarding header.
2
3// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
4// Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 2, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING.  If not, write to the Free
19// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20// USA.
21
22// As a special exception, you may use this file as part of a free software
23// library without restriction.  Specifically, if other files instantiate
24// templates or use macros or inline functions from this file, or you compile
25// this file and link it with other files to produce an executable, this
26// file does not by itself cause the resulting executable to be covered by
27// the GNU General Public License.  This exception does not however
28// invalidate any other reasons why the executable file might be covered by
29// the GNU General Public License.
30
31//
32// ISO C++ 14882: 20.4.6  C library
33//
34
35/** @file cstring
36 *  This is a Standard C++ Library file.  You should @c #include this file
37 *  in your programs, rather than any of the "*.h" implementation files.
38 *
39 *  This is the C++ version of the Standard C Library header @c string.h,
40 *  and its contents are (mostly) the same as that header, but are all
41 *  contained in the namespace @c std.
42 */
43
44#ifndef _GLIBCXX_CSTRING
45#define _GLIBCXX_CSTRING 1
46
47#pragma GCC system_header
48
49#include <cstddef>
50
51#include <string.h>
52
53// Get rid of those macros defined in <string.h> in lieu of real functions.
54#undef memcpy
55#undef memmove
56#undef strcpy
57#undef strncpy
58#undef strcat
59#undef strncat
60#undef memcmp
61#undef strcmp
62#undef strcoll
63#undef strncmp
64#undef strxfrm
65#undef memchr
66#undef strchr
67#undef strcspn
68#undef strpbrk
69#undef strrchr
70#undef strspn
71#undef strstr
72#undef strtok
73#undef memset
74#undef strerror
75#undef strlen
76
77namespace std
78{
79  using ::memcpy;
80  using ::memmove;
81  using ::strcpy;
82  using ::strncpy;
83  using ::strcat;
84  using ::strncat;
85  using ::memcmp;
86  using ::strcmp;
87  using ::strcoll;
88  using ::strncmp;
89  using ::strxfrm;
90  using ::strcspn;
91  using ::strspn;
92  using ::strtok;
93  using ::memset;
94  using ::strerror;
95  using ::strlen;
96
97  using ::memchr;
98
99  inline void*
100  memchr(void* __p, int __c, size_t __n)
101  { return memchr(const_cast<const void*>(__p), __c, __n); }
102
103  using ::strchr;
104
105  inline char*
106  strchr(char* __s1, int __n)
107  { return __builtin_strchr(const_cast<const char*>(__s1), __n); }
108
109  using ::strpbrk;
110
111  inline char*
112  strpbrk(char* __s1, const char* __s2)
113  { return __builtin_strpbrk(const_cast<const char*>(__s1), __s2); }
114
115  using ::strrchr;
116
117  inline char*
118  strrchr(char* __s1, int __n)
119  { return __builtin_strrchr(const_cast<const char*>(__s1), __n); }
120
121  using ::strstr;
122
123  inline char*
124  strstr(char* __s1, const char* __s2)
125  { return __builtin_strstr(const_cast<const char*>(__s1), __s2); }
126}
127
128#endif
129