cstdlib

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00001 // -*- C++ -*- forwarding header. 00002 00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 00004 // Free Software Foundation, Inc. 00005 // 00006 // This file is part of the GNU ISO C++ Library. This library is free 00007 // software; you can redistribute it and/or modify it under the 00008 // terms of the GNU General Public License as published by the 00009 // Free Software Foundation; either version 2, or (at your option) 00010 // any later version. 00011 00012 // This library is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 // GNU General Public License for more details. 00016 00017 // You should have received a copy of the GNU General Public License along 00018 // with this library; see the file COPYING. If not, write to the Free 00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00020 // USA. 00021 00022 // As a special exception, you may use this file as part of a free software 00023 // library without restriction. Specifically, if other files instantiate 00024 // templates or use macros or inline functions from this file, or you compile 00025 // this file and link it with other files to produce an executable, this 00026 // file does not by itself cause the resulting executable to be covered by 00027 // the GNU General Public License. This exception does not however 00028 // invalidate any other reasons why the executable file might be covered by 00029 // the GNU General Public License. 00030 00031 // 00032 // ISO C++ 14882: 20.4.6 C library 00033 // 00034 00035 /** @file cstdlib 00036 * This is a Standard C++ Library file. You should @c #include this file 00037 * in your programs, rather than any of the "*.h" implementation files. 00038 * 00039 * This is the C++ version of the Standard C Library header @c stdlib.h, 00040 * and its contents are (mostly) the same as that header, but are all 00041 * contained in the namespace @c std. 00042 */ 00043 00044 #ifndef _GLIBCXX_CSTDLIB 00045 #define _GLIBCXX_CSTDLIB 1 00046 00047 #pragma GCC system_header 00048 00049 #include <bits/c++config.h> 00050 #include <cstddef> 00051 00052 #include <stdlib.h> 00053 00054 // Get rid of those macros defined in <stdlib.h> in lieu of real functions. 00055 #undef abort 00056 #undef abs 00057 #undef atexit 00058 #undef atof 00059 #undef atoi 00060 #undef atol 00061 #undef bsearch 00062 #undef calloc 00063 #undef div 00064 #undef exit 00065 #undef free 00066 #undef getenv 00067 #undef labs 00068 #undef ldiv 00069 #undef malloc 00070 #undef mblen 00071 #undef mbstowcs 00072 #undef mbtowc 00073 #undef qsort 00074 #undef rand 00075 #undef realloc 00076 #undef srand 00077 #undef strtod 00078 #undef strtol 00079 #undef strtoul 00080 #undef system 00081 #undef wcstombs 00082 #undef wctomb 00083 00084 namespace std 00085 { 00086 using ::div_t; 00087 using ::ldiv_t; 00088 00089 using ::abort; 00090 using ::abs; 00091 using ::atexit; 00092 using ::atof; 00093 using ::atoi; 00094 using ::atol; 00095 using ::bsearch; 00096 using ::calloc; 00097 using ::div; 00098 using ::exit; 00099 using ::free; 00100 using ::getenv; 00101 using ::labs; 00102 using ::ldiv; 00103 using ::malloc; 00104 #ifdef _GLIBCXX_HAVE_MBSTATE_T 00105 using ::mblen; 00106 using ::mbstowcs; 00107 using ::mbtowc; 00108 #endif // _GLIBCXX_HAVE_MBSTATE_T 00109 using ::qsort; 00110 using ::rand; 00111 using ::realloc; 00112 using ::srand; 00113 using ::strtod; 00114 using ::strtol; 00115 using ::strtoul; 00116 using ::system; 00117 #ifdef _GLIBCXX_USE_WCHAR_T 00118 using ::wcstombs; 00119 using ::wctomb; 00120 #endif // _GLIBCXX_USE_WCHAR_T 00121 00122 inline long 00123 abs(long __i) { return labs(__i); } 00124 00125 inline ldiv_t 00126 div(long __i, long __j) { return ldiv(__i, __j); } 00127 } 00128 00129 #if _GLIBCXX_USE_C99 00130 00131 #undef _Exit 00132 #undef llabs 00133 #undef lldiv 00134 #undef atoll 00135 #undef strtoll 00136 #undef strtoull 00137 #undef strtof 00138 #undef strtold 00139 00140 namespace __gnu_cxx 00141 { 00142 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 00143 using ::lldiv_t; 00144 #endif 00145 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC 00146 extern "C" void (_Exit)(int); 00147 #endif 00148 #if !_GLIBCXX_USE_C99_DYNAMIC 00149 using ::_Exit; 00150 #endif 00151 00152 inline long long 00153 abs(long long __x) { return __x >= 0 ? __x : -__x; } 00154 00155 inline long long 00156 llabs(long long __x) { return __x >= 0 ? __x : -__x; } 00157 00158 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 00159 inline lldiv_t 00160 div(long long __n, long long __d) 00161 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; } 00162 00163 inline lldiv_t 00164 lldiv(long long __n, long long __d) 00165 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; } 00166 #endif 00167 00168 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 00169 extern "C" long long int (atoll)(const char *); 00170 extern "C" long long int 00171 (strtoll)(const char * restrict, char ** restrict, int); 00172 extern "C" unsigned long long int 00173 (strtoull)(const char * restrict, char ** restrict, int); 00174 #endif 00175 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 00176 using ::atoll; 00177 using ::strtoll; 00178 using ::strtoull; 00179 #endif 00180 using ::strtof; 00181 using ::strtold; 00182 } 00183 00184 namespace std 00185 { 00186 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 00187 using __gnu_cxx::lldiv_t; 00188 #endif 00189 using __gnu_cxx::_Exit; 00190 using __gnu_cxx::abs; 00191 using __gnu_cxx::llabs; 00192 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC 00193 using __gnu_cxx::div; 00194 using __gnu_cxx::lldiv; 00195 #endif 00196 using __gnu_cxx::atoll; 00197 using __gnu_cxx::strtof; 00198 using __gnu_cxx::strtoll; 00199 using __gnu_cxx::strtoull; 00200 using __gnu_cxx::strtold; 00201 } 00202 #endif 00203 00204 #endif

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