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98e6e789 | 1 | // -*- C++ -*- forwarding header. |
22aef514 | 2 | |
5624e564 | 3 | // Copyright (C) 1997-2015 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
22aef514 | 19 | |
748086b7 JJ |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
22aef514 | 24 | |
143c27b0 | 25 | /** @file include/cstdlib |
ffe94f83 | 26 | * This is a Standard C++ Library file. You should @c #include this file |
2a60a9f6 | 27 | * in your programs, rather than any of the @a *.h implementation files. |
ffe94f83 PE |
28 | * |
29 | * This is the C++ version of the Standard C Library header @c stdlib.h, | |
30 | * and its contents are (mostly) the same as that header, but are all | |
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31 | * contained in the namespace @c std (except for names which are defined |
32 | * as macros in C). | |
ffe94f83 PE |
33 | */ |
34 | ||
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35 | // |
36 | // ISO C++ 14882: 20.4.6 C library | |
37 | // | |
38 | ||
1143680e SE |
39 | #ifndef _GLIBCXX_CSTDLIB |
40 | #define _GLIBCXX_CSTDLIB 1 | |
34ff0b99 BK |
41 | |
42 | #pragma GCC system_header | |
22aef514 | 43 | |
98e6e789 | 44 | #include <bits/c++config.h> |
22aef514 | 45 | |
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46 | #if !_GLIBCXX_HOSTED |
47 | // The C standard does not require a freestanding implementation to | |
48 | // provide <stdlib.h>. However, the C++ standard does still require | |
49 | // <cstdlib> -- but only the functionality mentioned in | |
50 | // [lib.support.start.term]. | |
51 | ||
52 | #define EXIT_SUCCESS 0 | |
53 | #define EXIT_FAILURE 1 | |
54 | ||
12ffa228 BK |
55 | namespace std |
56 | { | |
1cae1c5f | 57 | extern "C" void abort(void) throw () _GLIBCXX_NORETURN; |
a4e28c81 | 58 | extern "C" int atexit(void (*)(void)) throw (); |
1cae1c5f | 59 | extern "C" void exit(int) throw () _GLIBCXX_NORETURN; |
fdec36ab PC |
60 | #if __cplusplus >= 201103L |
61 | # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT | |
a4e28c81 | 62 | extern "C" int at_quick_exit(void (*)(void)) throw (); |
fdec36ab PC |
63 | # endif |
64 | # ifdef _GLIBCXX_HAVE_QUICK_EXIT | |
65 | extern "C" void quick_exit(int) throw() _GLIBCXX_NORETURN; | |
66 | # endif | |
67 | #endif | |
12ffa228 | 68 | } // namespace |
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69 | |
70 | #else | |
71 | ||
c0dae541 | 72 | #include <stdlib.h> |
22aef514 | 73 | |
8089616e | 74 | // Get rid of those macros defined in <stdlib.h> in lieu of real functions. |
61c71946 BK |
75 | #undef abort |
76 | #undef abs | |
77 | #undef atexit | |
fdec36ab PC |
78 | #if __cplusplus >= 201103L |
79 | # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT | |
80 | # undef at_quick_exit | |
81 | # endif | |
82 | #endif | |
8089616e BK |
83 | #undef atof |
84 | #undef atoi | |
85 | #undef atol | |
61c71946 | 86 | #undef bsearch |
8089616e | 87 | #undef calloc |
61c71946 | 88 | #undef div |
8089616e | 89 | #undef exit |
61c71946 | 90 | #undef free |
8089616e | 91 | #undef getenv |
8089616e | 92 | #undef labs |
8089616e | 93 | #undef ldiv |
61c71946 | 94 | #undef malloc |
7b331228 | 95 | #undef mblen |
8089616e | 96 | #undef mbstowcs |
61c71946 BK |
97 | #undef mbtowc |
98 | #undef qsort | |
fdec36ab PC |
99 | #if __cplusplus >= 201103L |
100 | # ifdef _GLIBCXX_HAVE_QUICK_EXIT | |
101 | # undef quick_exit | |
102 | # endif | |
103 | #endif | |
61c71946 BK |
104 | #undef rand |
105 | #undef realloc | |
106 | #undef srand | |
107 | #undef strtod | |
108 | #undef strtol | |
109 | #undef strtoul | |
110 | #undef system | |
8089616e | 111 | #undef wcstombs |
61c71946 | 112 | #undef wctomb |
7b331228 | 113 | |
12ffa228 BK |
114 | namespace std _GLIBCXX_VISIBILITY(default) |
115 | { | |
116 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 117 | |
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118 | using ::div_t; |
119 | using ::ldiv_t; | |
22aef514 | 120 | |
61c71946 BK |
121 | using ::abort; |
122 | using ::abs; | |
123 | using ::atexit; | |
fdec36ab PC |
124 | #if __cplusplus >= 201103L |
125 | # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT | |
126 | using ::at_quick_exit; | |
127 | # endif | |
128 | #endif | |
de96ac46 BK |
129 | using ::atof; |
130 | using ::atoi; | |
131 | using ::atol; | |
61c71946 | 132 | using ::bsearch; |
de96ac46 | 133 | using ::calloc; |
61c71946 | 134 | using ::div; |
de96ac46 | 135 | using ::exit; |
61c71946 | 136 | using ::free; |
de96ac46 | 137 | using ::getenv; |
de96ac46 | 138 | using ::labs; |
de96ac46 | 139 | using ::ldiv; |
61c71946 | 140 | using ::malloc; |
e7f115de | 141 | #ifdef _GLIBCXX_HAVE_MBSTATE_T |
de96ac46 | 142 | using ::mblen; |
de96ac46 | 143 | using ::mbstowcs; |
61c71946 | 144 | using ::mbtowc; |
e7f115de | 145 | #endif // _GLIBCXX_HAVE_MBSTATE_T |
61c71946 | 146 | using ::qsort; |
fdec36ab PC |
147 | #if __cplusplus >= 201103L |
148 | # ifdef _GLIBCXX_HAVE_QUICK_EXIT | |
149 | using ::quick_exit; | |
150 | # endif | |
151 | #endif | |
61c71946 BK |
152 | using ::rand; |
153 | using ::realloc; | |
154 | using ::srand; | |
155 | using ::strtod; | |
156 | using ::strtol; | |
157 | using ::strtoul; | |
158 | using ::system; | |
e7f115de | 159 | #ifdef _GLIBCXX_USE_WCHAR_T |
de96ac46 | 160 | using ::wcstombs; |
61c71946 | 161 | using ::wctomb; |
7dd8177f | 162 | #endif // _GLIBCXX_USE_WCHAR_T |
22aef514 | 163 | |
7dd8177f | 164 | inline long |
8f2b580a MG |
165 | abs(long __i) { return __builtin_labs(__i); } |
166 | ||
167 | #ifdef _GLIBCXX_USE_LONG_LONG | |
168 | inline long long | |
169 | abs(long long __x) { return __builtin_llabs (__x); } | |
170 | #endif | |
171 | ||
78a7c317 DD |
172 | #if defined(__GLIBCXX_TYPE_INT_N_0) |
173 | inline __GLIBCXX_TYPE_INT_N_0 | |
174 | abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; } | |
175 | #endif | |
176 | #if defined(__GLIBCXX_TYPE_INT_N_1) | |
177 | inline __GLIBCXX_TYPE_INT_N_1 | |
178 | abs(__GLIBCXX_TYPE_INT_N_1 __x) { return __x >= 0 ? __x : -__x; } | |
179 | #endif | |
180 | #if defined(__GLIBCXX_TYPE_INT_N_2) | |
181 | inline __GLIBCXX_TYPE_INT_N_2 | |
182 | abs(__GLIBCXX_TYPE_INT_N_2 __x) { return __x >= 0 ? __x : -__x; } | |
183 | #endif | |
184 | #if defined(__GLIBCXX_TYPE_INT_N_3) | |
185 | inline __GLIBCXX_TYPE_INT_N_3 | |
186 | abs(__GLIBCXX_TYPE_INT_N_3 __x) { return __x >= 0 ? __x : -__x; } | |
8f2b580a | 187 | #endif |
21aaf8bf SS |
188 | |
189 | inline ldiv_t | |
de96ac46 | 190 | div(long __i, long __j) { return ldiv(__i, __j); } |
3cbc7af0 | 191 | |
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192 | _GLIBCXX_END_NAMESPACE_VERSION |
193 | } // namespace | |
7cda84dc | 194 | |
3d7c150e | 195 | #if _GLIBCXX_USE_C99 |
61c71946 BK |
196 | |
197 | #undef _Exit | |
198 | #undef llabs | |
199 | #undef lldiv | |
200 | #undef atoll | |
201 | #undef strtoll | |
202 | #undef strtoull | |
203 | #undef strtof | |
204 | #undef strtold | |
205 | ||
12ffa228 BK |
206 | namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) |
207 | { | |
208 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 209 | |
3d7c150e | 210 | #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
7cda84dc | 211 | using ::lldiv_t; |
9c594837 | 212 | #endif |
3d7c150e | 213 | #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC |
1cae1c5f | 214 | extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN; |
9c594837 | 215 | #endif |
3d7c150e | 216 | #if !_GLIBCXX_USE_C99_DYNAMIC |
61c71946 | 217 | using ::_Exit; |
9c594837 | 218 | #endif |
21aaf8bf | 219 | |
3d7c150e | 220 | #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
10d877a8 PC |
221 | using ::llabs; |
222 | ||
7dd8177f | 223 | inline lldiv_t |
98e6e789 | 224 | div(long long __n, long long __d) |
22aef514 BK |
225 | { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; } |
226 | ||
10d877a8 | 227 | using ::lldiv; |
9c594837 | 228 | #endif |
98e6e789 | 229 | |
3d7c150e | 230 | #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
1cae1c5f | 231 | extern "C" long long int (atoll)(const char *) throw (); |
9c594837 | 232 | extern "C" long long int |
f2871ffd | 233 | (strtoll)(const char * __restrict, char ** __restrict, int) throw (); |
9c594837 | 234 | extern "C" unsigned long long int |
f2871ffd | 235 | (strtoull)(const char * __restrict, char ** __restrict, int) throw (); |
9c594837 | 236 | #endif |
3d7c150e | 237 | #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
de96ac46 BK |
238 | using ::atoll; |
239 | using ::strtoll; | |
240 | using ::strtoull; | |
9c594837 LR |
241 | #endif |
242 | using ::strtof; | |
7dd8177f | 243 | using ::strtold; |
5db6f3de | 244 | |
12ffa228 BK |
245 | _GLIBCXX_END_NAMESPACE_VERSION |
246 | } // namespace __gnu_cxx | |
3cbc7af0 | 247 | |
12ffa228 BK |
248 | namespace std |
249 | { | |
7dd8177f | 250 | #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
6fbcd2e5 | 251 | using ::__gnu_cxx::lldiv_t; |
9c594837 | 252 | #endif |
6fbcd2e5 | 253 | using ::__gnu_cxx::_Exit; |
7dd8177f | 254 | #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
6fbcd2e5 BK |
255 | using ::__gnu_cxx::llabs; |
256 | using ::__gnu_cxx::div; | |
257 | using ::__gnu_cxx::lldiv; | |
9c594837 | 258 | #endif |
6fbcd2e5 BK |
259 | using ::__gnu_cxx::atoll; |
260 | using ::__gnu_cxx::strtof; | |
261 | using ::__gnu_cxx::strtoll; | |
262 | using ::__gnu_cxx::strtoull; | |
263 | using ::__gnu_cxx::strtold; | |
12ffa228 | 264 | } // namespace std |
6fbcd2e5 BK |
265 | |
266 | #endif // _GLIBCXX_USE_C99 | |
267 | ||
268 | #endif // !_GLIBCXX_HOSTED | |
98e6e789 | 269 | |
7dd8177f | 270 | #endif |