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Avoid C99 stdint macros in default_allocator

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Glen Fernandes
2020-04-26 18:49:26 -04:00
parent 6624532550
commit 8fe9805792
1 changed files with 5 additions and 9 deletions
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14
include/boost/core/default_allocator.hpp
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@ -9,8 +9,8 @@ Distributed under the Boost Software License, Version 1.0.
#define BOOST_CORE_DEFAULT_ALLOCATOR_HPP #define BOOST_CORE_DEFAULT_ALLOCATOR_HPP
#include <boost/config.hpp> #include <boost/config.hpp>
#include <limits>
#include <new> #include <new>
#include <climits>
#if defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 60000 #if defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 60000
#define BOOST_CORE_NO_CXX11_ALLOCATOR #define BOOST_CORE_NO_CXX11_ALLOCATOR
@ -81,16 +81,12 @@ struct default_allocator {
BOOST_CONSTEXPR default_allocator(const default_allocator<U>&) BOOST_CONSTEXPR default_allocator(const default_allocator<U>&)
BOOST_NOEXCEPT { } BOOST_NOEXCEPT { }
#if defined(PTRDIFF_MAX) && defined(SIZE_MAX)
BOOST_CONSTEXPR std::size_t max_size() const BOOST_NOEXCEPT { BOOST_CONSTEXPR std::size_t max_size() const BOOST_NOEXCEPT {
return PTRDIFF_MAX < SIZE_MAX / sizeof(T) return std::numeric_limits<std::ptrdiff_t>::max()
? PTRDIFF_MAX : SIZE_MAX / sizeof(T); < std::numeric_limits<std::size_t>::max() / sizeof(T)
? std::numeric_limits<std::ptrdiff_t>::max()
: std::numeric_limits<std::size_t>::max() / sizeof(T);
} }
#else
BOOST_CONSTEXPR std::size_t max_size() const BOOST_NOEXCEPT {
return ~static_cast<std::size_t>(0) / sizeof(T);
}
#endif
#if !defined(BOOST_NO_EXCEPTIONS) #if !defined(BOOST_NO_EXCEPTIONS)
T* allocate(std::size_t n) { T* allocate(std::size_t n) {