libstdc++
cinttypes
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1 // <cinttypes> -*- C++ -*-
2 
3 // Copyright (C) 2007-2025 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 3, 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 // 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.
19 
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/>.
24 
25 /** @file include/cinttypes
26  * This is a Standard C++ Library header.
27  */
28 
29 #ifndef _GLIBCXX_CINTTYPES
30 #define _GLIBCXX_CINTTYPES 1
31 
32 #ifdef _GLIBCXX_SYSHDR
33 #pragma GCC system_header
34 #endif
35 
36 #if __cplusplus < 201103L
37 # include <bits/c++0x_warning.h>
38 #else
39 
40 #include <cstdint>
41 
42 // For 27.9.2/3 (see C99, Note 184)
43 #if _GLIBCXX_HAVE_INTTYPES_H
44 # ifndef __STDC_FORMAT_MACROS
45 # define _UNDEF__STDC_FORMAT_MACROS
46 # define __STDC_FORMAT_MACROS
47 # endif
48 # include <inttypes.h>
49 # ifdef _UNDEF__STDC_FORMAT_MACROS
50 # undef __STDC_FORMAT_MACROS
51 # undef _UNDEF__STDC_FORMAT_MACROS
52 # endif
53 #endif
54 
55 #ifdef _GLIBCXX_USE_C99_INTTYPES
56 
57 namespace std
58 {
59  // types
60  using ::imaxdiv_t;
61 
62  // functions
63  using ::imaxabs;
64  using ::imaxdiv;
65 
66  // GCC does not support extended integer types
67  // intmax_t abs(intmax_t)
68  // imaxdiv_t div(intmax_t, intmax_t)
69 
70  using ::strtoimax;
71  using ::strtoumax;
72 
73 #if defined(_GLIBCXX_USE_WCHAR_T) && _GLIBCXX_USE_C99_INTTYPES_WCHAR_T
74  using ::wcstoimax;
75  using ::wcstoumax;
76 #endif
77 } // namespace std
78 
79 #endif // _GLIBCXX_USE_C99_INTTYPES
80 
81 #endif // C++11
82 
83 #endif // _GLIBCXX_CINTTYPES