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minor changes
This commit is contained in:
mandreyel
parent
cc46c17e8f
commit
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@ -1,105 +0,0 @@
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#ifndef MIO_MMAP_IMPL
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#define MIO_MMAP_IMPL
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#include "../mmap.hpp"
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namespace mio {
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// -- basic_mmap_source --
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template<typename CharT>
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basic_mmap_source<CharT>::basic_mmap_source(const std::string& path,
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const size_type offset, const size_type length)
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{
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std::error_code error;
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map(path, offset, length, error);
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if(error) { throw error; }
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}
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template<typename CharT>
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basic_mmap_source<CharT>::basic_mmap_source(const handle_type handle,
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const size_type offset, const size_type length)
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{
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std::error_code error;
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map(handle, offset, length, error);
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if(error) { throw error; }
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}
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template<typename CharT>
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void basic_mmap_source<CharT>::map(const std::string& path, const size_type offset,
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const size_type length, std::error_code& error)
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{
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impl_.map(path, offset, length, impl_type::access_mode::read_only, error);
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}
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template<typename CharT>
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void basic_mmap_source<CharT>::map(const handle_type handle, const size_type offset,
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const size_type length, std::error_code& error)
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{
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impl_.map(handle, offset, length, impl_type::access_mode::read_only, error);
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}
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// -- basic_mmap_sink --
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template<typename CharT>
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basic_mmap_sink<CharT>::basic_mmap_sink(const std::string& path,
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const size_type offset, const size_type length)
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{
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std::error_code error;
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map(path, offset, length, error);
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if(error) { throw error; }
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}
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template<typename CharT>
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basic_mmap_sink<CharT>::basic_mmap_sink(const handle_type handle,
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const size_type offset, const size_type length)
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{
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std::error_code error;
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map(handle, offset, length, error);
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if(error) { throw error; }
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}
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template<typename CharT>
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void basic_mmap_sink<CharT>::map(const std::string& path, const size_type offset,
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const size_type length, std::error_code& error)
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{
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impl_.map(path, offset, length, impl_type::access_mode::read_only, error);
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}
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template<typename CharT>
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void basic_mmap_sink<CharT>::map(const handle_type handle, const size_type offset,
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const size_type length, std::error_code& error)
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{
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impl_.map(handle, offset, length, impl_type::access_mode::read_write, error);
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}
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template<typename CharT>
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void basic_mmap_sink<CharT>::sync(std::error_code& error) { impl_.sync(error); }
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template<typename CharT>
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bool operator==(const basic_mmap_source<CharT>& a, const basic_mmap_source<CharT>& b)
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{
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return a.impl_ == b.impl_;
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}
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template<typename CharT>
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bool operator!=(const basic_mmap_source<CharT>& a, const basic_mmap_source<CharT>& b)
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{
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return a.impl_ != b.impl_;
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}
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template<typename CharT>
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bool operator==(const basic_mmap_sink<CharT>& a, const basic_mmap_sink<CharT>& b)
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{
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return a.impl_ == b.impl_;
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}
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template<typename CharT>
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bool operator!=(const basic_mmap_sink<CharT>& a, const basic_mmap_sink<CharT>& b)
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{
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return a.impl_ != b.impl_;
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}
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} // namespace mio
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#endif // MIO_MMAP_IMPL
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@ -18,20 +18,9 @@ namespace detail {
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size_t page_size();
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template<typename CharT> struct basic_mmap;
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template<typename CharT>
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bool operator==(const basic_mmap<CharT>& a, const basic_mmap<CharT>& b);
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template<typename CharT>
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bool operator!=(const basic_mmap<CharT>& a, const basic_mmap<CharT>& b);
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/**
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* Most of the logic in establishing a memory mapping is the same for both read-only and
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* read-write mappings, so they both inherit from basic_mmap.
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*/
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template<typename CharT> struct basic_mmap
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struct mmap
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{
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using value_type = CharT;
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using value_type = char;
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using size_type = int64_t;
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using reference = value_type&;
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using const_reference = const value_type&;
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@ -68,18 +57,19 @@ private:
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handle_type file_mapping_handle_ = INVALID_HANDLE_VALUE;
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#endif
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// Length requested by user, which may not be the length of the full mapping.
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// Length, in bytes, requested by user, which may not be the length of the full
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// mapping.
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size_type length_ = 0;
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size_type mapped_length_ = 0;
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public:
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basic_mmap() = default;
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basic_mmap(const basic_mmap&) = delete;
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basic_mmap& operator=(const basic_mmap&) = delete;
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basic_mmap(basic_mmap&&);
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basic_mmap& operator=(basic_mmap&&);
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~basic_mmap();
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mmap() = default;
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mmap(const mmap&) = delete;
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mmap& operator=(const mmap&) = delete;
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mmap(mmap&&);
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mmap& operator=(mmap&&);
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~mmap();
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/**
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* On *nix systems is_open and is_mapped are the same and don't actually say if
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@ -117,11 +107,11 @@ public:
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reverse_iterator rbegin() { return reverse_iterator(end()); }
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const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
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const_reverse_iterator rcbegin() const { return const_reverse_iterator(end()); }
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const_reverse_iterator crbegin() const { return const_reverse_iterator(end()); }
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reverse_iterator rend() { return reverse_iterator(begin()); }
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const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
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const_reverse_iterator rcend() const { return const_reverse_iterator(begin()); }
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const_reverse_iterator crend() const { return const_reverse_iterator(begin()); }
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reference operator[](const size_type i) noexcept { return data_[i]; }
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const_reference operator[](const size_type i) const noexcept { return data_[i]; }
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@ -134,10 +124,10 @@ public:
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void sync(std::error_code& error);
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void swap(basic_mmap& other);
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void swap(mmap& other);
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friend bool operator==<CharT>(const basic_mmap& a, const basic_mmap& b);
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friend bool operator!=<CharT>(const basic_mmap& a, const basic_mmap& b);
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friend bool operator==(const mmap& a, const mmap& b);
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friend bool operator!=(const mmap& a, const mmap& b);
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private:
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@ -158,6 +148,6 @@ private:
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} // namespace detail
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} // namespace mio
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#include "basic_mmap.ipp"
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#include "mmap_impl.ipp"
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#endif // MIO_BASIC_MMAP_HEADER
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@ -1,7 +1,7 @@
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#ifndef MIO_BASIC_MMAP_IMPL
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#define MIO_BASIC_MMAP_IMPL
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#include "basic_mmap.hpp"
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#include "mmap_impl.hpp"
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#include <algorithm>
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@ -23,11 +23,11 @@ inline DWORD int64_high(int64_t n) noexcept
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inline DWORD int64_low(int64_t n) noexcept
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{
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return n & 0xFF'FF'FF'FF;
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return n & 0xff'ff'ff'ff;
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}
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#endif
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size_t page_size()
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inline size_t page_size()
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{
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static const size_t page_size = []
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{
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@ -60,16 +60,14 @@ inline std::error_code last_error() noexcept
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return error;
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}
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// -- basic_mmap --
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// -- mmap --
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template<typename CharT>
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basic_mmap<CharT>::~basic_mmap()
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inline mmap::~mmap()
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{
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unmap();
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}
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template<typename CharT>
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basic_mmap<CharT>::basic_mmap(basic_mmap&& other)
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inline mmap::mmap(mmap&& other)
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: data_(std::move(other.data_))
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, length_(std::move(other.length_))
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, mapped_length_(std::move(other.mapped_length_))
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@ -86,8 +84,7 @@ basic_mmap<CharT>::basic_mmap(basic_mmap&& other)
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#endif
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}
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template<typename CharT>
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basic_mmap<CharT>& basic_mmap<CharT>::operator=(basic_mmap&& other)
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inline mmap& mmap::operator=(mmap&& other)
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{
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if(this != &other)
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{
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@ -108,8 +105,7 @@ basic_mmap<CharT>& basic_mmap<CharT>::operator=(basic_mmap&& other)
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return *this;
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}
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template<typename CharT>
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void basic_mmap<CharT>::map(const std::string& path, const size_type offset,
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inline void mmap::map(const std::string& path, const size_type offset,
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const size_type length, const access_mode mode, std::error_code& error)
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{
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if(!path.empty() && !is_open())
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@ -121,14 +117,12 @@ void basic_mmap<CharT>::map(const std::string& path, const size_type offset,
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}
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}
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template<typename CharT>
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typename basic_mmap<CharT>::handle_type
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basic_mmap<CharT>::open_file(const std::string& path,
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const basic_mmap<CharT>::access_mode mode, std::error_code& error)
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inline mmap::handle_type mmap::open_file(const std::string& path,
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const mmap::access_mode mode, std::error_code& error)
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{
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#if defined(_WIN32)
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const auto handle = ::CreateFile(path.c_str(),
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mode == basic_mmap<CharT>::access_mode::read_only
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mode == mmap::access_mode::read_only
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? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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0,
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@ -141,7 +135,7 @@ basic_mmap<CharT>::open_file(const std::string& path,
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}
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#else
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const auto handle = ::open(path.c_str(),
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mode == basic_mmap<CharT>::access_mode::read_only ? O_RDONLY : O_RDWR);
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mode == mmap::access_mode::read_only ? O_RDONLY : O_RDWR);
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if(handle == -1)
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{
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error = last_error();
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@ -150,8 +144,7 @@ basic_mmap<CharT>::open_file(const std::string& path,
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return handle;
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}
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template<typename CharT>
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void basic_mmap<CharT>::map(const handle_type handle, const size_type offset,
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inline void mmap::map(const handle_type handle, const size_type offset,
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const size_type length, const access_mode mode, std::error_code& error)
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{
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error.clear();
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@ -175,8 +168,7 @@ void basic_mmap<CharT>::map(const handle_type handle, const size_type offset,
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map(offset, length, mode, error);
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}
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template<typename CharT>
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void basic_mmap<CharT>::map(const size_type offset, const size_type length,
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inline void mmap::map(const size_type offset, const size_type length,
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const access_mode mode, std::error_code& error)
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{
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const size_type aligned_offset = make_page_aligned(offset);
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@ -211,7 +203,7 @@ void basic_mmap<CharT>::map(const size_type offset, const size_type length,
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const pointer mapping_start = static_cast<pointer>(::mmap(
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0, // don't give hint as to where to map
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length_to_map,
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mode == basic_mmap<CharT>::access_mode::read_only ? PROT_READ : PROT_WRITE,
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mode == mmap::access_mode::read_only ? PROT_READ : PROT_WRITE,
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MAP_SHARED, // TODO do we want to share it?
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file_handle_,
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aligned_offset));
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@ -226,8 +218,7 @@ void basic_mmap<CharT>::map(const size_type offset, const size_type length,
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mapped_length_ = length_to_map;
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}
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template<typename CharT>
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void basic_mmap<CharT>::sync(std::error_code& error)
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inline void mmap::sync(std::error_code& error)
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{
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error.clear();
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verify_file_handle(error);
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@ -254,8 +245,7 @@ void basic_mmap<CharT>::sync(std::error_code& error)
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#endif
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}
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template<typename CharT>
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void basic_mmap<CharT>::unmap()
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inline void mmap::unmap()
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{
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// TODO do we care about errors here?
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if((data_ != nullptr) && (file_handle_ != INVALID_HANDLE_VALUE))
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@ -276,9 +266,7 @@ void basic_mmap<CharT>::unmap()
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#endif
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}
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template<typename CharT>
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typename basic_mmap<CharT>::size_type
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basic_mmap<CharT>::query_file_size(std::error_code& error) noexcept
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inline mmap::size_type mmap::query_file_size(std::error_code& error) noexcept
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{
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#ifdef _WIN32
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PLARGE_INTEGER file_size;
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@ -299,16 +287,14 @@ basic_mmap<CharT>::query_file_size(std::error_code& error) noexcept
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#endif
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}
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template<typename CharT>
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typename basic_mmap<CharT>::pointer basic_mmap<CharT>::get_mapping_start() noexcept
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inline mmap::pointer mmap::get_mapping_start() noexcept
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{
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if(!data_) { return nullptr; }
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const auto offset = mapped_length_ - length_;
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return data_ - offset;
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}
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template<typename CharT>
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void basic_mmap<CharT>::verify_file_handle(std::error_code& error) const noexcept
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inline void mmap::verify_file_handle(std::error_code& error) const noexcept
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{
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if(!is_open() || !is_mapped())
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{
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@ -316,14 +302,12 @@ void basic_mmap<CharT>::verify_file_handle(std::error_code& error) const noexcep
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}
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}
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template<typename CharT>
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bool basic_mmap<CharT>::is_open() const noexcept
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inline bool mmap::is_open() const noexcept
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{
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return file_handle_ != INVALID_HANDLE_VALUE;
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}
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template<typename CharT>
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bool basic_mmap<CharT>::is_mapped() const noexcept
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inline bool mmap::is_mapped() const noexcept
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{
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#ifdef _WIN32
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return file_mapping_handle_ != INVALID_HANDLE_VALUE;
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@ -332,8 +316,7 @@ bool basic_mmap<CharT>::is_mapped() const noexcept
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#endif
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}
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template<typename CharT>
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void basic_mmap<CharT>::swap(basic_mmap<CharT>& other)
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inline void mmap::swap(mmap& other)
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{
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if(this != &other)
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{
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@ -348,8 +331,7 @@ void basic_mmap<CharT>::swap(basic_mmap<CharT>& other)
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}
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}
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template<typename CharT>
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bool operator==(const basic_mmap<CharT>& a, const basic_mmap<CharT>& b)
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inline bool operator==(const mmap& a, const mmap& b)
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{
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if(a.is_mapped() && b.is_mapped())
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{
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@ -358,8 +340,7 @@ bool operator==(const basic_mmap<CharT>& a, const basic_mmap<CharT>& b)
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return !a.is_mapped() && !b.is_mapped();
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}
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template<typename CharT>
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bool operator!=(const basic_mmap<CharT>& a, const basic_mmap<CharT>& b)
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inline bool operator!=(const mmap& a, const mmap& b)
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{
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return !(a == b);
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}
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@ -1,22 +1,10 @@
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#ifndef MIO_MMAP_HEADER
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#define MIO_MMAP_HEADER
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#include "detail/basic_mmap.hpp"
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#include "detail/mmap_impl.hpp"
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namespace mio {
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template<typename CharT> class basic_mmap_source;
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template<typename CharT> class basic_mmap_sink;
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template<typename CharT>
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bool operator==(const basic_mmap_source<CharT>& a, const basic_mmap_source<CharT>& b);
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template<typename CharT>
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bool operator!=(const basic_mmap_source<CharT>& a, const basic_mmap_source<CharT>& b);
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template<typename CharT>
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bool operator==(const basic_mmap_sink<CharT>& a, const basic_mmap_sink<CharT>& b);
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template<typename CharT>
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bool operator!=(const basic_mmap_sink<CharT>& a, const basic_mmap_sink<CharT>& b);
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/**
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* When specifying a file to map, there is no need to worry about providing
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* offsets that are aligned with the operating system's page granularity, this is taken
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@ -35,32 +23,41 @@ bool operator!=(const basic_mmap_sink<CharT>& a, const basic_mmap_sink<CharT>& b
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*/
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/** A read-only file memory mapping. */
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template<typename CharT> class basic_mmap_source
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class mmap_source
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{
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using impl_type = detail::basic_mmap<CharT>;
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using impl_type = detail::mmap;
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impl_type impl_;
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public:
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using value_type = typename impl_type::value_type;
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using size_type = typename impl_type::size_type;
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||||
using reference = typename impl_type::reference;
|
||||
using const_reference = typename impl_type::const_reference;
|
||||
using pointer = typename impl_type::pointer;
|
||||
using const_pointer = typename impl_type::const_pointer;
|
||||
using difference_type = typename impl_type::difference_type;
|
||||
using iterator = typename impl_type::iterator;
|
||||
using const_iterator = typename impl_type::const_iterator;
|
||||
using value_type = impl_type::value_type;
|
||||
using size_type = impl_type::size_type;
|
||||
using reference = impl_type::reference;
|
||||
using const_reference = impl_type::const_reference;
|
||||
using pointer = impl_type::pointer;
|
||||
using const_pointer = impl_type::const_pointer;
|
||||
using difference_type = impl_type::difference_type;
|
||||
using iterator = impl_type::iterator;
|
||||
using const_iterator = impl_type::const_iterator;
|
||||
using reverse_iterator = std::reverse_iterator<iterator>;
|
||||
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
|
||||
using iterator_category = typename impl_type::iterator_category;
|
||||
using handle_type = typename impl_type::handle_type;
|
||||
using iterator_category = impl_type::iterator_category;
|
||||
using handle_type = impl_type::handle_type;
|
||||
|
||||
basic_mmap_source() = default;
|
||||
basic_mmap_source(const std::string& path,
|
||||
const size_type offset, const size_type length);
|
||||
basic_mmap_source(const handle_type handle,
|
||||
const size_type offset, const size_type length);
|
||||
mmap_source() = default;
|
||||
mmap_source(const std::string& path, const size_type offset, const size_type length)
|
||||
{
|
||||
std::error_code error;
|
||||
map(path, offset, length, error);
|
||||
if(error) { throw error; }
|
||||
}
|
||||
|
||||
mmap_source(const handle_type handle, const size_type offset, const size_type length)
|
||||
{
|
||||
std::error_code error;
|
||||
map(handle, offset, length, error);
|
||||
if(error) { throw error; }
|
||||
}
|
||||
|
||||
/**
|
||||
* On *nix systems is_open and is_mapped are the same and don't actually say if
|
||||
@ -74,7 +71,7 @@ public:
|
||||
*/
|
||||
bool is_open() const noexcept { return impl_.is_open(); }
|
||||
bool is_mapped() const noexcept { return impl_.is_mapped(); }
|
||||
bool empty() const noexcept { return impl_.is_empty(); }
|
||||
bool empty() const noexcept { return impl_.empty(); }
|
||||
|
||||
/**
|
||||
* size/length returns the logical length (i.e. the one user requested), while
|
||||
@ -100,44 +97,68 @@ public:
|
||||
const_reference operator[](const size_type i) const noexcept { return impl_[i]; }
|
||||
|
||||
void map(const std::string& path, const size_type offset,
|
||||
const size_type length, std::error_code& error);
|
||||
const size_type length, std::error_code& error)
|
||||
{
|
||||
impl_.map(path, offset, length, impl_type::access_mode::read_only, error);
|
||||
}
|
||||
|
||||
void map(const handle_type handle, const size_type offset,
|
||||
const size_type length, std::error_code& error);
|
||||
const size_type length, std::error_code& error)
|
||||
{
|
||||
impl_.map(handle, offset, length, impl_type::access_mode::read_only, error);
|
||||
}
|
||||
|
||||
void unmap() { impl_.unmap(); }
|
||||
|
||||
void swap(basic_mmap_source& other) { impl_.swap(other.impl_); }
|
||||
void swap(mmap_source& other) { impl_.swap(other.impl_); }
|
||||
|
||||
friend bool operator==<CharT>(const basic_mmap_source& a, const basic_mmap_source& b);
|
||||
friend bool operator!=<CharT>(const basic_mmap_source& a, const basic_mmap_source& b);
|
||||
friend bool operator==(const mmap_source& a, const mmap_source& b)
|
||||
{
|
||||
return a.impl_ == b.impl_;
|
||||
}
|
||||
|
||||
friend bool operator!=(const mmap_source& a, const mmap_source& b)
|
||||
{
|
||||
return !(a == b);
|
||||
}
|
||||
};
|
||||
|
||||
/** A read-write file memory mapping. */
|
||||
template<typename CharT> class basic_mmap_sink
|
||||
class mmap_sink
|
||||
{
|
||||
using impl_type = detail::basic_mmap<CharT>;
|
||||
using impl_type = detail::mmap;
|
||||
impl_type impl_;
|
||||
|
||||
public:
|
||||
|
||||
using value_type = typename impl_type::value_type;
|
||||
using size_type = typename impl_type::size_type;
|
||||
using reference = typename impl_type::reference;
|
||||
using const_reference = typename impl_type::const_reference;
|
||||
using pointer = typename impl_type::pointer;
|
||||
using const_pointer = typename impl_type::const_pointer;
|
||||
using difference_type = typename impl_type::difference_type;
|
||||
using iterator = typename impl_type::iterator;
|
||||
using const_iterator = typename impl_type::const_iterator;
|
||||
using value_type = impl_type::value_type;
|
||||
using size_type = impl_type::size_type;
|
||||
using reference = impl_type::reference;
|
||||
using const_reference = impl_type::const_reference;
|
||||
using pointer = impl_type::pointer;
|
||||
using const_pointer = impl_type::const_pointer;
|
||||
using difference_type = impl_type::difference_type;
|
||||
using iterator = impl_type::iterator;
|
||||
using const_iterator = impl_type::const_iterator;
|
||||
using reverse_iterator = std::reverse_iterator<iterator>;
|
||||
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
|
||||
using iterator_category = typename impl_type::iterator_category;
|
||||
using handle_type = typename impl_type::handle_type;
|
||||
using iterator_category = impl_type::iterator_category;
|
||||
using handle_type = impl_type::handle_type;
|
||||
|
||||
basic_mmap_sink() = default;
|
||||
basic_mmap_sink(const std::string& path,
|
||||
const size_type offset, const size_type length);
|
||||
basic_mmap_sink(const handle_type handle,
|
||||
const size_type offset, const size_type length);
|
||||
mmap_sink() = default;
|
||||
mmap_sink(const std::string& path, const size_type offset, const size_type length)
|
||||
{
|
||||
std::error_code error;
|
||||
map(path, offset, length, error);
|
||||
if(error) { throw error; }
|
||||
}
|
||||
|
||||
mmap_sink(const handle_type handle, const size_type offset, const size_type length)
|
||||
{
|
||||
std::error_code error;
|
||||
map(handle, offset, length, error);
|
||||
if(error) { throw error; }
|
||||
}
|
||||
|
||||
/**
|
||||
* On *nix systems is_open and is_mapped are the same and don't actually say if
|
||||
@ -151,7 +172,7 @@ public:
|
||||
*/
|
||||
bool is_open() const noexcept { return impl_.is_open(); }
|
||||
bool is_mapped() const noexcept { return impl_.is_mapped(); }
|
||||
bool empty() const noexcept { return impl_.is_empty(); }
|
||||
bool empty() const noexcept { return impl_.empty(); }
|
||||
|
||||
/**
|
||||
* size/length returns the logical length (i.e. the one user requested), while
|
||||
@ -185,34 +206,35 @@ public:
|
||||
const_reference operator[](const size_type i) const noexcept { return impl_[i]; }
|
||||
|
||||
void map(const std::string& path, const size_type offset,
|
||||
const size_type length, std::error_code& error);
|
||||
const size_type length, std::error_code& error)
|
||||
{
|
||||
impl_.map(path, offset, length, impl_type::access_mode::read_only, error);
|
||||
}
|
||||
|
||||
void map(const handle_type handle, const size_type offset,
|
||||
const size_type length, std::error_code& error);
|
||||
const size_type length, std::error_code& error)
|
||||
{
|
||||
impl_.map(handle, offset, length, impl_type::access_mode::read_write, error);
|
||||
}
|
||||
|
||||
void unmap() { impl_.unmap(); }
|
||||
|
||||
/** Flushes the memory mapped page to disk. */
|
||||
void sync(std::error_code& error);
|
||||
void sync(std::error_code& error) { impl_.sync(error); }
|
||||
|
||||
void swap(basic_mmap_sink& other) { impl_.swap(other.impl_); }
|
||||
void swap(mmap_sink& other) { impl_.swap(other.impl_); }
|
||||
|
||||
friend bool operator==<CharT>(const basic_mmap_sink& a, const basic_mmap_sink& b);
|
||||
friend bool operator!=<CharT>(const basic_mmap_sink& a, const basic_mmap_sink& b);
|
||||
friend bool operator==(const mmap_sink& a, const mmap_sink& b)
|
||||
{
|
||||
return a.impl_ == b.impl_;
|
||||
}
|
||||
|
||||
friend bool operator!=(const mmap_sink& a, const mmap_sink& b)
|
||||
{
|
||||
return !(a == b);
|
||||
}
|
||||
};
|
||||
|
||||
using mmap_sink = basic_mmap_sink<char>;
|
||||
using mmap_source = basic_mmap_source<char>;
|
||||
|
||||
using wmmap_sink = basic_mmap_sink<wchar_t>;
|
||||
using wmmap_source = basic_mmap_source<wchar_t>;
|
||||
|
||||
using u16mmap_sink = basic_mmap_sink<char16_t>;
|
||||
using u16mmap_source = basic_mmap_source<char16_t>;
|
||||
|
||||
using u32mmap_sink = basic_mmap_sink<char32_t>;
|
||||
using u32mmap_source = basic_mmap_source<char32_t>;
|
||||
|
||||
} // namespace mio
|
||||
|
||||
#include "detail/mmap.ipp"
|
||||
|
||||
#endif // MIO_MMAP_HEADER
|
||||
|
||||
@ -8,17 +8,17 @@
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
const char* path = argc >= 2 ? argv[1] : ".";
|
||||
const char* test_file_name = argc >= 2 ? argv[1] : "test-file";
|
||||
|
||||
std::error_code error;
|
||||
std::string buffer(0x4000 - 250, 'M');
|
||||
|
||||
std::ofstream file(path);
|
||||
std::ofstream file(test_file_name);
|
||||
file << buffer;
|
||||
file.close();
|
||||
|
||||
std::error_code error;
|
||||
mio::mmap_source file_view;
|
||||
file_view.map(path, 0, buffer.size(), error);
|
||||
file_view.map(test_file_name, 0, buffer.size(), error);
|
||||
if(error)
|
||||
{
|
||||
const auto& errmsg = error.message();
|
||||
@ -39,7 +39,4 @@ int main(int argc, char** argv)
|
||||
assert(0);
|
||||
}
|
||||
}
|
||||
|
||||
auto rit = file_view.rbegin();
|
||||
auto rend = file_view.rend();
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user