libstdc++-v3/include/c_std/cstring

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001 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 2, 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 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 //
  31 // ISO C++ 14882: 20.4.6  C library
  32 //
  33
  34 #ifndef _CPP_CSTRING
  35 #define _CPP_CSTRING 1
  36
  37 #include <cstddef>
  38
  39 #pragma GCC system_header
  40 #include <string.h>
  41
  42 // Get rid of those macros defined in <string.h> in lieu of real functions.
  43 #undef memcpy
  44 #undef memmove
  45 #undef strcpy
  46 #undef strncpy
  47 #undef strcat
  48 #undef strncat
  49 #undef memcmp
  50 #undef strcmp
  51 #undef strcoll
  52 #undef strncmp
  53 #undef strxfrm
  54 #undef memchr
  55 #undef strchr
  56 #undef strcspn
  57 #undef strpbrk
  58 #undef strrchr
  59 #undef strspn
  60 #undef strstr
  61 #undef strtok
  62 #undef memset
  63 #undef strerror
  64 #undef strlen
  65
  66 namespace std
  67 {
  68   using ::memcpy;
  69   using ::memmove;
  70   using ::strcpy;
  71   using ::strncpy;
  72   using ::strcat;
  73   using ::strncat;
  74   using ::memcmp;
  75   using ::strcmp;
  76   using ::strcoll;
  77   using ::strncmp;
  78   using ::strxfrm;
  79   using ::strcspn;
  80   using ::strspn;
  81   using ::strtok;
  82   using ::memset;
  83   using ::strerror;
  84   using ::strlen;
  85
  86   using ::memchr;
  87
  88   inline void*
  89   memchr(void* __p, int __c, size_t __n)
  90   { return memchr(const_cast<const void*>(__p), __c, __n); }
  91
  92   using ::strchr;
  93
  94   inline char*
  95   strchr(char* __s1, int __n)
  96   { return __builtin_strchr(const_cast<const char*>(__s1), __n); }
  97
  98   using ::strpbrk;
  99
 100   inline char*
 101   strpbrk(char* __s1, const char* __s2)
 102   { return __builtin_strpbrk(const_cast<const char*>(__s1), __s2); }
 103
 104   using ::strrchr;
 105
 106   inline char*
 107   strrchr(char* __s1, int __n)
 108   { return __builtin_strrchr(const_cast<const char*>(__s1), __n); }
 109
 110   using ::strstr;
 111
 112   inline char*
 113   strstr(char* __s1, const char* __s2)
 114   { return __builtin_strstr(const_cast<const char*>(__s1), __s2); }
 115 }
 116
 117 #endif