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      1 // -*- C++ -*- forwarding header.
      2 
      3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
      4 // 2006, 2007, 2008, 2009, 2010
      5 // Free Software Foundation, Inc.
      6 //
      7 // This file is part of the GNU ISO C++ Library.  This library is free
      8 // software; you can redistribute it and/or modify it under the
      9 // terms of the GNU General Public License as published by the
     10 // Free Software Foundation; either version 3, or (at your option)
     11 // any later version.
     12 
     13 // This library is distributed in the hope that it will be useful,
     14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 // GNU General Public License for more details.
     17 
     18 // Under Section 7 of GPL version 3, you are granted additional
     19 // permissions described in the GCC Runtime Library Exception, version
     20 // 3.1, as published by the Free Software Foundation.
     21 
     22 // You should have received a copy of the GNU General Public License and
     23 // a copy of the GCC Runtime Library Exception along with this program;
     24 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     25 // <http://www.gnu.org/licenses/>.
     26 
     27 /** @file cstring
     28  *  This is a Standard C++ Library file.  You should @c \#include this file
     29  *  in your programs, rather than any of the @a *.h implementation files.
     30  *
     31  *  This is the C++ version of the Standard C Library header @c string.h,
     32  *  and its contents are (mostly) the same as that header, but are all
     33  *  contained in the namespace @c std (except for names which are defined
     34  *  as macros in C).
     35  */
     36 
     37 //
     38 // ISO C++ 14882: 20.4.6  C library
     39 //
     40 
     41 #pragma GCC system_header
     42 
     43 #include <bits/c++config.h>
     44 #include <string.h>
     45 
     46 #ifndef _GLIBCXX_CSTRING
     47 #define _GLIBCXX_CSTRING 1
     48 
     49 // Get rid of those macros defined in <string.h> in lieu of real functions.
     50 #undef memchr
     51 #undef memcmp
     52 #undef memcpy
     53 #undef memmove
     54 #undef memset
     55 #undef strcat
     56 #undef strchr
     57 #undef strcmp
     58 #undef strcoll
     59 #undef strcpy
     60 #undef strcspn
     61 #undef strerror
     62 #undef strlen
     63 #undef strncat
     64 #undef strncmp
     65 #undef strncpy
     66 #undef strpbrk
     67 #undef strrchr
     68 #undef strspn
     69 #undef strstr
     70 #undef strtok
     71 #undef strxfrm
     72 
     73 namespace std _GLIBCXX_VISIBILITY(default)
     74 {
     75 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     76 
     77   using ::memchr;
     78   using ::memcmp;
     79   using ::memcpy;
     80   using ::memmove;
     81   using ::memset;
     82   using ::strcat;
     83   using ::strcmp;
     84   using ::strcoll;
     85   using ::strcpy;
     86   using ::strcspn;
     87   using ::strerror;
     88   using ::strlen;
     89   using ::strncat;
     90   using ::strncmp;
     91   using ::strncpy;
     92   using ::strspn;
     93   using ::strtok;
     94   using ::strxfrm;
     95   using ::strchr;
     96   using ::strpbrk;
     97   using ::strrchr;
     98   using ::strstr;
     99 
    100 #ifndef __CORRECT_ISO_CPP_STRING_H_PROTO
    101   inline void*
    102   memchr(void* __s, int __c, size_t __n)
    103   { return __builtin_memchr(__s, __c, __n); }
    104 
    105   inline char*
    106   strchr(char* __s, int __n)
    107   { return __builtin_strchr(__s, __n); }
    108 
    109   inline char*
    110   strpbrk(char* __s1, const char* __s2)
    111   { return __builtin_strpbrk(__s1, __s2); }
    112 
    113   inline char*
    114   strrchr(char* __s, int __n)
    115   { return __builtin_strrchr(__s, __n); }
    116 
    117   inline char*
    118   strstr(char* __s1, const char* __s2)
    119   { return __builtin_strstr(__s1, __s2); }
    120 #endif
    121 
    122 _GLIBCXX_END_NAMESPACE_VERSION
    123 } // namespace
    124 
    125 #endif
    126