libstdc++: cinttypes Source File

libstdc++

cinttypes
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1// <cinttypes> -*- C++ -*-
2
3// Copyright (C) 2007-2026 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
57namespace 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
cstdint
c++0x_warning.h
std
ISO C++ entities toplevel namespace is std.