1 // -*- C++ -*- forwarding header. 2 3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 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 cstdlib 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 stdlib.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_CSTDLIB 45 #define _GLIBCXX_CSTDLIB 1 46 47 #pragma GCC system_header 48 49 #include <bits/c++config.h> 50 #include <cstddef> 51 52 #include <stdlib.h> 53 54 // Get rid of those macros defined in <stdlib.h> in lieu of real functions. 55 #undef abort 56 #undef abs 57 #undef atexit 58 #undef atof 59 #undef atoi 60 #undef atol 61 #undef bsearch 62 #undef calloc 63 #undef div 64 #undef exit 65 #undef free 66 #undef getenv 67 #undef labs 68 #undef ldiv 69 #undef malloc 70 #undef mblen 71 #undef mbstowcs 72 #undef mbtowc 73 #undef qsort 74 #undef rand 75 #undef realloc 76 #undef srand 77 #undef strtod 78 #undef strtol 79 #undef strtoul 80 #undef system 81 #undef wcstombs 82 #undef wctomb 83 84 namespace std 85 { 86 using ::div_t; 87 using ::ldiv_t; 88 89 using ::abort; 90 using ::abs; 91 using ::atexit; 92 using ::atof; 93 using ::atoi; 94 using ::atol; 95 using ::bsearch; 96 using ::calloc; 97 using ::div; 98 using ::exit; 99 using ::free; 100 using ::getenv; 101 using ::labs; 102 using ::ldiv; 103 using ::malloc; 104 #ifdef _GLIBCXX_HAVE_MBSTATE_T 105 using ::mblen; 106 using ::mbstowcs; 107 using ::mbtowc; 108 #endif // _GLIBCXX_HAVE_MBSTATE_T 109 using ::qsort; 110 using ::rand; 111 using ::realloc; 112 using ::srand; 113 using ::strtod; 114 using ::strtol; 115 using ::strtoul; 116 using ::system; 117 #ifdef _GLIBCXX_USE_WCHAR_T 118 using ::wcstombs; 119 using ::wctomb; 120 #endif // _GLIBCXX_USE_WCHAR_T 121 122 inline long 123 abs(long __i) { return labs(__i); } 124 125 inline ldiv_t 126 div(long __i, long __j) { return ldiv(__i, __j); } 127 } 128 129 #if _GLIBCXX_USE_C99 130 131 #undef _Exit 132 #undef llabs 133 #undef lldiv 134 #undef atoll 135 #undef strtoll 136 #undef strtoull 137 #undef strtof 138 #undef strtold 139 140 namespace __gnu_cxx 141 { 142 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 143 using ::lldiv_t; 144 #endif 145 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC 146 extern "C" void (_Exit)(int); 147 #endif 148 #if !_GLIBCXX_USE_C99_DYNAMIC 149 using ::_Exit; 150 #endif 151 152 inline long long 153 abs(long long __x) { return __x >= 0 ? __x : -__x; } 154 155 inline long long 156 llabs(long long __x) { return __x >= 0 ? __x : -__x; } 157 158 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 159 inline lldiv_t 160 div(long long __n, long long __d) 161 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; } 162 163 inline lldiv_t 164 lldiv(long long __n, long long __d) 165 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; } 166 #endif 167 168 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 169 extern "C" long long int (atoll)(const char *); 170 extern "C" long long int 171 (strtoll)(const char * restrict, char ** restrict, int); 172 extern "C" unsigned long long int 173 (strtoull)(const char * restrict, char ** restrict, int); 174 #endif 175 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 176 using ::atoll; 177 using ::strtoll; 178 using ::strtoull; 179 #endif 180 using ::strtof; 181 using ::strtold; 182 } 183 184 namespace std 185 { 186 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 187 using __gnu_cxx::lldiv_t; 188 #endif 189 using __gnu_cxx::_Exit; 190 using __gnu_cxx::abs; 191 using __gnu_cxx::llabs; 192 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 193 using __gnu_cxx::div; 194 using __gnu_cxx::lldiv; 195 #endif 196 using __gnu_cxx::atoll; 197 using __gnu_cxx::strtof; 198 using __gnu_cxx::strtoll; 199 using __gnu_cxx::strtoull; 200 using __gnu_cxx::strtold; 201 } 202 #endif 203 204 #endif 205