1524 lines
45 KiB
C++
1524 lines
45 KiB
C++
/*
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SPDX-License-Identifier: MIT
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Copyright © 1991-2022 Amebis
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Copyright © 2016 GÉANT
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*/
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#pragma once
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#include <Windows.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <tchar.h>
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#include <iostream>
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#include <memory>
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#include <stdexcept>
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#include <string>
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#include <vector>
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/// \defgroup WinStdGeneral General
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///
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/// \defgroup WinStdStrFormat String Formatting
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///
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/// \par Example
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/// \code
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/// // Please note the PCSTR typecasting invokes an operator to return
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/// // pointer to formatted buffer rather than class reference itself.
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/// cout << (PCSTR)(winstd::string_printf("%i is less than %i.\n", 1, 5));
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/// \endcode
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///
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/// \defgroup WinStdSysHandles System Handles
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///
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/// \defgroup WinStdExceptions Exceptions
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///
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/// \defgroup WinStdMemSanitize Auto-sanitize Memory Management
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/// \addtogroup WinStdGeneral
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/// @{
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///
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/// "L" stringizing macro
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///
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#ifndef __L
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#define __L(x) L ## x
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#endif
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///
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/// Makes string Unicode
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///
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#ifndef _L
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#define _L(x) __L(x)
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#endif
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///
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/// Stringizing macro helper
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///
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#define WINSTD_STRING_IMPL(x) #x
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///
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/// Stringizing macro
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///
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#define WINSTD_STRING(x) WINSTD_STRING_IMPL(x)
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///
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/// Declares a class as non-copyable
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///
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#define WINSTD_NONCOPYABLE(C) \
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private: \
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C (_In_ const C &h) noexcept; \
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C& operator=(_In_ const C &h) noexcept;
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///
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/// Declares a class as non-movable
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///
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#define WINSTD_NONMOVABLE(C) \
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private: \
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C (_Inout_ C &&h) noexcept; \
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C& operator=(_Inout_ C &&h) noexcept;
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#ifndef WINSTD_STACK_BUFFER_BYTES
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///
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/// Size of the stack buffer in bytes used for initial system function call
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///
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/// Some system functions with variable length output data fail for
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/// insufficient buffer sizes, and return an exact buffer length required.
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/// The function helpers use a fixed size stack buffer first. If the stack
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/// buffer really prooved sufficient, the helper allocates the exact length
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/// output on heap and copies the data without calling the system function
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/// again. Otherwise it allocates the exact length output on heap and retries.
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///
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/// \note
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/// Decrease this value in case of stack overflow.
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///
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#define WINSTD_STACK_BUFFER_BYTES 1024
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#endif
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/// @}
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/// \addtogroup WinStdStrFormat
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/// @{
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///
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/// LPTSTR printf/scanf format specifier
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///
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#ifdef UNICODE
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#define PRINTF_LPTSTR "ls"
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#else
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#define PRINTF_LPTSTR "s"
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#endif
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///
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/// LPOLESTR printf/scanf format specifier
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///
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#ifdef OLE2ANSI
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#define PRINTF_LPOLESTR "hs"
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#else
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#define PRINTF_LPOLESTR "ls"
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#endif
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///
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/// Standard input stream for TCHAR strings
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///
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#ifdef _UNICODE
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#define _tcin (std::wcin )
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#else
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#define _tcin (std::cin ) ///< Standard input stream for TCHAR strings
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#endif
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///
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/// Standard output stream for TCHAR strings
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///
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#ifdef _UNICODE
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#define _tcout (std::wcout)
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#else
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#define _tcout (std::cout)
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#endif
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///
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/// Standard error stream for TCHAR strings
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///
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#ifdef _UNICODE
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#define _tcerr (std::wcerr)
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#else
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#define _tcerr (std::cerr)
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#endif
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///
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/// Standard logging stream for TCHAR strings
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///
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#ifdef _UNICODE
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#define _tclog (std::wclog)
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#else
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#define _tclog (std::clog)
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#endif
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/// @}
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/// \addtogroup WinStdSysHandles
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/// @{
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///
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/// Implements default constructors and operators to prevent their auto-generation by compiler.
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///
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#define WINSTD_HANDLE_IMPL(C, INVAL) \
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public: \
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C ( ) noexcept { } \
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C (_In_opt_ handle_type h) noexcept : handle<handle_type, INVAL>( h ) { } \
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C (_Inout_ C &&h) noexcept : handle<handle_type, INVAL>(std::move(h)) { } \
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C& operator=(_In_opt_ handle_type h) noexcept { handle<handle_type, INVAL>::operator=( h ); return *this; } \
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C& operator=(_Inout_ C &&h) noexcept { handle<handle_type, INVAL>::operator=(std::move(h)); return *this; } \
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WINSTD_NONCOPYABLE(C)
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///
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/// Implements default constructors and operators to prevent their auto-generation by compiler.
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///
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#define WINSTD_DPLHANDLE_IMPL(C, INVAL) \
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public: \
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C ( ) noexcept { } \
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C (_In_opt_ handle_type h) noexcept : dplhandle<handle_type, INVAL>( h ) { } \
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C (_In_ const C &h) noexcept : dplhandle<handle_type, INVAL>(duplicate_internal(h.m_h)) { } \
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C (_Inout_ C &&h) noexcept : dplhandle<handle_type, INVAL>(std::move (h )) { } \
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C& operator=(_In_opt_ handle_type h) noexcept { dplhandle<handle_type, INVAL>::operator=( h ); return *this; } \
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C& operator=(_In_ const C &h) noexcept { dplhandle<handle_type, INVAL>::operator=( h ); return *this; } \
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C& operator=(_Inout_ C &&h) noexcept { dplhandle<handle_type, INVAL>::operator=(std::move(h)); return *this; } \
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private:
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/// @}
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#ifndef _FormatMessage_format_string_
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#define _FormatMessage_format_string_ _In_z_
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#endif
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/// \cond internal
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#ifndef _LPCBYTE_DEFINED
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#define _LPCBYTE_DEFINED
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typedef const BYTE *LPCBYTE;
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#endif
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/// \endcond
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#pragma warning(push)
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// Do not use _vsnprintf_s/_vsnwprintf_s(), since it terminates string by force even when we explicitly want to write unterminated string.
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// Threfore turn off compiler warning instead. ;)
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#pragma warning(disable: 4995)
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#pragma warning(disable: 4996)
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#pragma warning(disable: 4505) // Don't warn on unused code
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/// \addtogroup WinStdStrFormat
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/// @{
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///
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/// Formats string using `printf()`.
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///
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/// \param[out] str Buffer to receive string
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/// \param[in ] capacity Size of `str` in characters
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/// \param[in ] format String template using `printf()` style
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/// \param[in ] arg Arguments to `format`
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///
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/// \returns Number of characters in result.
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///
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#if _MSC_VER <= 1600
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static int vsnprintf(_Out_z_cap_(capacity) char *str, _In_ size_t capacity, _In_z_ _Printf_format_string_ const char *format, _In_ va_list arg)
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{
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return _vsnprintf(str, capacity, format, arg);
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}
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#endif
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///
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/// Formats string using `printf()`.
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///
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/// \param[out] str Buffer to receive string
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/// \param[in ] capacity Size of `str` in characters
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/// \param[in ] format String template using `printf()` style
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/// \param[in ] arg Arguments to `format`
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///
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/// \returns Number of characters in result.
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///
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static int vsnprintf(_Out_z_cap_(capacity) wchar_t *str, _In_ size_t capacity, _In_z_ _Printf_format_string_ const wchar_t *format, _In_ va_list arg) noexcept
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{
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return _vsnwprintf(str, capacity, format, arg);
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}
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///
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/// Formats string using `printf()`.
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///
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/// \param[out] str Formatted string
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/// \param[in ] format String template using `printf()` style
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/// \param[in ] arg Arguments to `format`
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///
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/// \returns Number of characters in result.
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///
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template<class _Elem, class _Traits, class _Ax>
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static int vsprintf(_Inout_ std::basic_string<_Elem, _Traits, _Ax> &str, _In_z_ _Printf_format_string_ const _Elem *format, _In_ va_list arg)
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{
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_Elem buf[WINSTD_STACK_BUFFER_BYTES/sizeof(_Elem)];
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// Try with stack buffer first.
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int count = vsnprintf(buf, _countof(buf) - 1, format, arg);
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if (count >= 0) {
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// Copy from stack.
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str.assign(buf, count);
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} else {
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for (size_t capacity = 2*WINSTD_STACK_BUFFER_BYTES/sizeof(_Elem);; capacity *= 2) {
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// Allocate on heap and retry.
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auto buf_dyn = std::make_unique<_Elem[]>(capacity);
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count = vsnprintf(buf_dyn.get(), capacity - 1, format, arg);
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if (count >= 0) {
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str.assign(buf_dyn.get(), count);
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break;
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}
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}
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}
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return count;
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}
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///
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/// Formats string using `printf()`.
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///
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/// \param[out] str Formatted string
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/// \param[in ] format String template using `printf()` style
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///
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/// \returns Number of characters in result.
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///
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template<class _Elem, class _Traits, class _Ax>
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static int sprintf(_Inout_ std::basic_string<_Elem, _Traits, _Ax> &str, _In_z_ _Printf_format_string_ const _Elem *format, ...)
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{
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va_list arg;
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va_start(arg, format);
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const int res = vsprintf(str, format, arg);
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va_end(arg);
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return res;
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}
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///
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/// Formats a message string.
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///
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/// \sa [FormatMessage function](https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351.aspx)
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///
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template<class _Traits, class _Ax>
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static DWORD FormatMessage(_In_ DWORD dwFlags, _In_opt_ LPCVOID lpSource, _In_ DWORD dwMessageId, _In_ DWORD dwLanguageId, _Inout_ std::basic_string<char, _Traits, _Ax> &str, _In_opt_ va_list *Arguments)
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{
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std::unique_ptr<CHAR[], winstd::LocalFree_delete<CHAR[]> > lpBuffer;
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DWORD dwResult = FormatMessageA(dwFlags | FORMAT_MESSAGE_ALLOCATE_BUFFER, lpSource, dwMessageId, dwLanguageId, reinterpret_cast<LPSTR>((LPSTR*)get_ptr(lpBuffer)), 0, Arguments);
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if (dwResult)
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str.assign(lpBuffer.get(), dwResult);
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return dwResult;
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}
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///
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/// Formats a message string.
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///
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/// \sa [FormatMessage function](https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351.aspx)
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///
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template<class _Traits, class _Ax>
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static DWORD FormatMessage(_In_ DWORD dwFlags, _In_opt_ LPCVOID lpSource, _In_ DWORD dwMessageId, _In_ DWORD dwLanguageId, _Inout_ std::basic_string<wchar_t, _Traits, _Ax> &str, _In_opt_ va_list *Arguments)
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{
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std::unique_ptr<WCHAR[], winstd::LocalFree_delete<WCHAR[]> > lpBuffer;
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DWORD dwResult = FormatMessageW(dwFlags | FORMAT_MESSAGE_ALLOCATE_BUFFER, lpSource, dwMessageId, dwLanguageId, reinterpret_cast<LPWSTR>((LPWSTR*)get_ptr(lpBuffer)), 0, Arguments);
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if (dwResult)
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str.assign(lpBuffer.get(), dwResult);
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return dwResult;
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}
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/// @}
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#pragma warning(pop)
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namespace winstd
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{
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/// \addtogroup WinStdGeneral
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/// @{
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///
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/// Multi-byte / Wide-character string (according to _UNICODE)
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///
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#ifdef _UNICODE
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typedef std::wstring tstring;
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#else
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typedef std::string tstring;
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#endif
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///
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/// Deleter for unique_ptr using LocalFree
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///
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template <class _Ty>
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struct LocalFree_delete
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{
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typedef LocalFree_delete<_Ty> _Myt; ///< This type
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///
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/// Default construct
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///
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LocalFree_delete() {}
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///
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/// Construct from another LocalFree_delete
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///
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template <class _Ty2> LocalFree_delete(const LocalFree_delete<_Ty2>&) {}
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///
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/// Delete a pointer
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///
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/// \sa [LocalFree function](https://msdn.microsoft.com/en-us/library/windows/desktop/aa366730.aspx)
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///
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void operator()(_Ty *_Ptr) const
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{
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LocalFree(_Ptr);
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}
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};
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///
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/// Deleter for unique_ptr to array of unknown size using LocalFree
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///
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template <class _Ty>
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struct LocalFree_delete<_Ty[]>
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{
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typedef LocalFree_delete<_Ty> _Myt; ///< This type
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///
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/// Default construct
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///
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LocalFree_delete() noexcept {}
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///
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/// Delete a pointer
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///
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void operator()(_Frees_ptr_opt_ _Ty *_Ptr) const noexcept
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{
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LocalFree(_Ptr);
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}
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///
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/// Delete a pointer of another type
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///
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/// \sa [LocalFree function](https://msdn.microsoft.com/en-us/library/windows/desktop/aa366730.aspx)
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///
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template<class _Other>
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void operator()(_Other *) const
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{
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LocalFree(_Ptr);
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}
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};
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///
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/// Helper class for returning pointers to std::unique_ptr
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///
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template<class _Ty, class _Dx>
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class ref_unique_ptr
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{
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public:
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///
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/// Takes ownership of the pointer
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///
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/// \param[inout] owner Object to attach helper to
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///
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ref_unique_ptr(_Inout_ std::unique_ptr<_Ty, _Dx> &owner) :
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m_own(owner),
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m_ptr(owner.release())
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{}
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///
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/// Moves object
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///
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/// \param[inout] other Source object
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///
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ref_unique_ptr(_Inout_ ref_unique_ptr<_Ty, _Dx> &&other) :
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m_own(other.m_own),
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m_ptr(other.m_ptr)
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{
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other.m_ptr = nullptr;
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}
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///
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/// Returns ownership of the pointer
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///
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~ref_unique_ptr()
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{
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if (m_ptr != nullptr)
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m_own.reset(m_ptr);
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}
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///
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/// Operator for pointer-to-pointer parameters by value use-cases.
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///
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/// \return Pointer to the pointer
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///
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operator typename _Ty**()
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{
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return &m_ptr;
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}
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///
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/// Operator for reverence-to-pointer parameters by value use-cases.
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///
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/// \return Reference to the pointer
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///
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operator typename _Ty*&()
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{
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return m_ptr;
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}
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protected:
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std::unique_ptr<_Ty, _Dx> &m_own; ///< Original owner of the pointer
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_Ty *m_ptr; ///< Pointer
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};
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///
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/// Helper function template for returning pointers to std::unique_ptr
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///
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/// \param[inout] owner Original owner of the pointer
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///
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/// \returns A helper wrapper class to handle returning a reference to the pointer
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///
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template<class _Ty, class _Dx>
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ref_unique_ptr<_Ty, _Dx> get_ptr(_Inout_ std::unique_ptr<_Ty, _Dx> &owner) noexcept
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{
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return ref_unique_ptr<_Ty, _Dx>(owner);
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}
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|
|
///
|
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/// Helper function template for returning pointers to std::unique_ptr
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/// (specialization for arrays)
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///
|
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/// \param[inout] owner Original owner of the pointer
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///
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/// \returns A helper wrapper class to handle returning a reference to the pointer
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///
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template<class _Ty, class _Dx>
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ref_unique_ptr<_Ty[], _Dx> get_ptr(_Inout_ std::unique_ptr<_Ty[], _Dx> &owner) noexcept
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{
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return ref_unique_ptr<_Ty[], _Dx>(owner);
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}
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|
|
///
|
|
/// Helper class for returning pointers to std::unique_ptr
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/// (specialization for arrays)
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///
|
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#pragma warning(push)
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#pragma warning(disable: 26432) // Copy constructor and assignment operator are also present, but not detected by code analysis as they are using base type source object reference.
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template<class _Ty, class _Dx>
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class ref_unique_ptr<_Ty[], _Dx>
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{
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public:
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///
|
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/// Takes ownership of the pointer
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///
|
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/// \param[inout] owner Object to attach helper to
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///
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ref_unique_ptr(_Inout_ std::unique_ptr<_Ty[], _Dx> &owner) noexcept :
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m_own(owner),
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m_ptr(owner.release())
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{}
|
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|
|
///
|
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/// Takes ownership of the pointer
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///
|
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/// \param[inout] owner Object to attach helper to
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///
|
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/// \returns Reference to this object
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///
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ref_unique_ptr& operator=(_Inout_ std::unique_ptr<_Ty[], _Dx> &owner) noexcept
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{
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if (this != &other) {
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m_own = owner;
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m_ptr = owner.release();
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}
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return *this;
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}
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|
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///
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/// Moves object
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///
|
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/// \param[inout] other Source object
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///
|
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ref_unique_ptr(_Inout_ ref_unique_ptr<_Ty[], _Dx> &&other) :
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m_own(other.m_own),
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m_ptr(other.m_ptr)
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{
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other.m_ptr = nullptr;
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}
|
|
|
|
///
|
|
/// Moves object
|
|
///
|
|
/// \param[inout] other Source object
|
|
///
|
|
/// \returns Reference to this object
|
|
///
|
|
ref_unique_ptr& operator=(_Inout_ ref_unique_ptr<_Ty[], _Dx> &&other)
|
|
{
|
|
if (this != &other) {
|
|
m_own = other.m_own;
|
|
m_ptr = other.m_ptr;
|
|
other.m_ptr = nullptr;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
///
|
|
/// Returns ownership of the pointer
|
|
///
|
|
virtual ~ref_unique_ptr()
|
|
{
|
|
if (m_ptr != nullptr)
|
|
m_own.reset(m_ptr);
|
|
}
|
|
|
|
///
|
|
/// Operator for pointer-to-pointer parameters by value use-cases.
|
|
///
|
|
/// \return Pointer to the pointer
|
|
///
|
|
operator typename _Ty**() noexcept
|
|
{
|
|
return &m_ptr;
|
|
}
|
|
|
|
///
|
|
/// Operator for reverence-to-pointer parameters by value use-cases.
|
|
///
|
|
/// \return Reference to the pointer
|
|
///
|
|
operator typename _Ty*&()
|
|
{
|
|
return m_ptr;
|
|
}
|
|
|
|
protected:
|
|
std::unique_ptr<_Ty[], _Dx> &m_own; ///< Original owner of the pointer
|
|
_Ty *m_ptr; ///< Pointer
|
|
};
|
|
#pragma warning(pop)
|
|
|
|
/// @}
|
|
|
|
/// \addtogroup WinStdSysHandles
|
|
/// @{
|
|
|
|
///
|
|
/// Base abstract template class to support generic object handle keeping
|
|
///
|
|
/// It provides basic operators and methods common to all descendands of this class establishing a base to ease the replacement of native object handle type with classes in object-oriented approach.
|
|
///
|
|
template <class T, const T INVAL>
|
|
class handle
|
|
{
|
|
public:
|
|
///
|
|
/// Datatype of the object handle this template class handles
|
|
///
|
|
typedef T handle_type;
|
|
|
|
///
|
|
/// Invalid handle value
|
|
///
|
|
static const T invalid;
|
|
|
|
///
|
|
/// Initializes a new class instance with the object handle set to INVAL.
|
|
///
|
|
handle() noexcept : m_h(invalid)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Initializes a new class instance with an already available object handle.
|
|
///
|
|
/// \param[in] h Initial object handle value
|
|
///
|
|
handle(_In_opt_ handle_type h) noexcept : m_h(h)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Move constructor
|
|
///
|
|
/// \param[inout] h A rvalue reference of another object
|
|
///
|
|
handle(_Inout_ handle<handle_type, INVAL> &&h) noexcept
|
|
{
|
|
// Transfer handle.
|
|
m_h = h.m_h;
|
|
h.m_h = invalid;
|
|
}
|
|
|
|
private:
|
|
// This class is noncopyable.
|
|
handle(_In_ const handle<handle_type, INVAL> &h) noexcept {};
|
|
handle<handle_type, INVAL>& operator=(_In_ const handle<handle_type, INVAL> &h) noexcept {};
|
|
|
|
public:
|
|
///
|
|
/// Attaches already available object handle.
|
|
///
|
|
/// \param[in] h Object handle value
|
|
///
|
|
handle<handle_type, INVAL>& operator=(_In_opt_ handle_type h) noexcept
|
|
{
|
|
attach(h);
|
|
return *this;
|
|
}
|
|
|
|
///
|
|
/// Move assignment
|
|
///
|
|
/// \param[inout] h A rvalue reference of another object
|
|
///
|
|
#pragma warning(suppress: 26432) // Move constructor is also present, but not detected by code analysis somehow.
|
|
handle<handle_type, INVAL>& operator=(_Inout_ handle<handle_type, INVAL> &&h) noexcept
|
|
{
|
|
if (this != std::addressof(h)) {
|
|
// Transfer handle.
|
|
if (m_h != invalid)
|
|
free_internal();
|
|
m_h = h.m_h;
|
|
h.m_h = invalid;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
///
|
|
/// Auto-typecasting operator
|
|
///
|
|
/// \return Object handle
|
|
///
|
|
operator handle_type() const
|
|
{
|
|
return m_h;
|
|
}
|
|
|
|
///
|
|
/// Returns the object handle value when the object handle is a pointer to a value (class, struct, etc.).
|
|
///
|
|
/// \return Object handle value
|
|
///
|
|
handle_type*& operator*() const
|
|
{
|
|
assert(m_h != invalid);
|
|
return *m_h;
|
|
}
|
|
|
|
///
|
|
/// Returns the object handle reference.
|
|
/// \return Object handle reference
|
|
///
|
|
handle_type* operator&()
|
|
{
|
|
assert(m_h == invalid);
|
|
return &m_h;
|
|
}
|
|
|
|
///
|
|
/// Provides object handle member access when the object handle is a pointer to a class or struct.
|
|
///
|
|
/// \return Object handle
|
|
///
|
|
handle_type operator->() const
|
|
{
|
|
assert(m_h != invalid);
|
|
return m_h;
|
|
}
|
|
|
|
///
|
|
/// Tests if the object handle is INVAL.
|
|
///
|
|
/// \return
|
|
/// - Non zero when object handle is INVAL;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator!() const
|
|
{
|
|
return m_h == invalid;
|
|
}
|
|
|
|
///
|
|
/// Is handle less than?
|
|
///
|
|
/// \param[in] h Object handle to compare against
|
|
/// \return
|
|
/// - Non zero when object handle is less than h;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator<(_In_opt_ handle_type h) const
|
|
{
|
|
return m_h < h;
|
|
}
|
|
|
|
///
|
|
/// Is handle less than or equal to?
|
|
///
|
|
/// \param[in] h Object handle to compare against
|
|
/// \return
|
|
/// - Non zero when object handle is less than or equal to h;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator<=(_In_opt_ handle_type h) const
|
|
{
|
|
return !operator>(h);
|
|
}
|
|
|
|
///
|
|
/// Is handle greater than or equal to?
|
|
///
|
|
/// \param[in] h Object handle to compare against
|
|
/// \return
|
|
/// - Non zero when object handle is greater than or equal to h;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator>=(_In_opt_ handle_type h) const
|
|
{
|
|
return !operator<(h);
|
|
}
|
|
|
|
///
|
|
/// Is handle greater than?
|
|
///
|
|
/// \param[in] h Object handle to compare against
|
|
/// \return
|
|
/// - Non zero when object handle is greater than h;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator>(_In_opt_ handle_type h) const
|
|
{
|
|
return h < m_h;
|
|
}
|
|
|
|
///
|
|
/// Is handle not equal to?
|
|
///
|
|
/// \param[in] h Object handle to compare against
|
|
/// \return
|
|
/// - Non zero when object handle is not equal to h;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator!=(_In_opt_ handle_type h) const
|
|
{
|
|
return !operator==(h);
|
|
}
|
|
|
|
///
|
|
/// Is handle equal to?
|
|
///
|
|
/// \param[in] h Object handle to compare against
|
|
/// \return
|
|
/// - Non zero when object handle is equal to h;
|
|
/// - Zero otherwise.
|
|
///
|
|
bool operator==(_In_opt_ handle_type h) const
|
|
{
|
|
return m_h == h;
|
|
}
|
|
|
|
///
|
|
/// Sets a new object handle for the class
|
|
///
|
|
/// When the current object handle of the class is non-INVAL, the object is destroyed first.
|
|
///
|
|
/// \param[in] h New object handle
|
|
///
|
|
void attach(_In_opt_ handle_type h) noexcept
|
|
{
|
|
if (m_h != invalid)
|
|
free_internal();
|
|
m_h = h;
|
|
}
|
|
|
|
///
|
|
/// Dismisses the object handle from this class
|
|
///
|
|
/// \return Object handle
|
|
///
|
|
handle_type detach()
|
|
{
|
|
handle_type h = m_h;
|
|
m_h = invalid;
|
|
return h;
|
|
}
|
|
|
|
///
|
|
/// Destroys the object
|
|
///
|
|
void free()
|
|
{
|
|
if (m_h != invalid) {
|
|
free_internal();
|
|
m_h = invalid;
|
|
}
|
|
}
|
|
|
|
protected:
|
|
///
|
|
/// Abstract member function that must be implemented by child classes to do the actual object destruction.
|
|
///
|
|
virtual void free_internal() noexcept = 0;
|
|
|
|
protected:
|
|
handle_type m_h; ///< Object handle
|
|
};
|
|
|
|
template <class T, const T INVAL>
|
|
const T handle<T, INVAL>::invalid = INVAL;
|
|
|
|
///
|
|
/// Base abstract template class to support object handle keeping for objects that support trivial handle duplication
|
|
///
|
|
template <class T, T INVAL>
|
|
class dplhandle : public handle<T, INVAL>
|
|
{
|
|
public:
|
|
///
|
|
/// Initializes a new class instance with the object handle set to INVAL.
|
|
///
|
|
dplhandle() noexcept
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Initializes a new class instance with an already available object handle.
|
|
///
|
|
/// \param[in] h Initial object handle value
|
|
///
|
|
dplhandle(_In_opt_ handle_type h) noexcept : handle<handle_type, INVAL>(h)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Copy constructor
|
|
///
|
|
/// \param[inout] h A reference of another object
|
|
///
|
|
dplhandle<handle_type, INVAL>(_In_ const dplhandle<handle_type, INVAL> &h) noexcept : handle<handle_type, INVAL>(duplicate_internal(h.m_h))
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Move constructor
|
|
///
|
|
/// \param[inout] h A rvalue reference of another object
|
|
///
|
|
dplhandle<handle_type, INVAL>(_Inout_ dplhandle<handle_type, INVAL> &&h) noexcept : handle<handle_type, INVAL>(std::move(h))
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Attaches already available object handle.
|
|
///
|
|
/// \param[in] h Object handle value
|
|
///
|
|
dplhandle<handle_type, INVAL>& operator=(_In_opt_ handle_type h) noexcept
|
|
{
|
|
handle<handle_type, INVAL>::operator=(h);
|
|
return *this;
|
|
}
|
|
|
|
///
|
|
/// Duplicates the object.
|
|
///
|
|
/// \param[in] h Object
|
|
///
|
|
dplhandle<handle_type, INVAL>& operator=(_In_ const dplhandle<handle_type, INVAL> &h) noexcept
|
|
{
|
|
if (this != std::addressof(h)) {
|
|
if (h.m_h != invalid) {
|
|
handle_type h_new = duplicate_internal(h.m_h);
|
|
if (h_new != invalid) {
|
|
if (m_h != invalid)
|
|
free_internal();
|
|
|
|
m_h = h_new;
|
|
} else
|
|
assert(0); // Could not duplicate the handle
|
|
} else {
|
|
if (m_h != invalid)
|
|
free_internal();
|
|
|
|
m_h = invalid;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
///
|
|
/// Moves the object.
|
|
///
|
|
/// \param[inout] h A rvalue reference of another object
|
|
///
|
|
#pragma warning(disable: 26432) // Move constructor is also present, but not detected by code analysis somehow.
|
|
dplhandle<handle_type, INVAL>& operator=(_Inout_ dplhandle<handle_type, INVAL> &&h) noexcept
|
|
{
|
|
handle<handle_type, INVAL>::operator=(std::move(h));
|
|
return *this;
|
|
}
|
|
|
|
///
|
|
/// Duplicates and returns a new object handle.
|
|
///
|
|
/// \return Duplicated object handle
|
|
///
|
|
handle_type duplicate() const
|
|
{
|
|
return m_h != invalid ? duplicate_internal(m_h) : invalid;
|
|
}
|
|
|
|
///
|
|
/// Duplicates an object handle and sets a new object handle.
|
|
///
|
|
/// \param[in] h Object handle of existing object
|
|
///
|
|
/// \return
|
|
/// - true when duplication succeeds;
|
|
/// - false when duplication fails. In case of failure obtaining the extended error information is object type specific (for example: `GetLastError()`).
|
|
///
|
|
bool attach_duplicated(_In_opt_ handle_type h)
|
|
{
|
|
if (m_h != invalid)
|
|
free_internal();
|
|
|
|
return h != invalid ? (m_h = duplicate_internal(h)) != invalid : (m_h = invalid, true);
|
|
}
|
|
|
|
protected:
|
|
///
|
|
/// Abstract member function that must be implemented by child classes to do the actual object handle duplication.
|
|
///
|
|
/// \param[in] h Object handle of existing object
|
|
///
|
|
/// \return Duplicated object handle
|
|
///
|
|
virtual handle_type duplicate_internal(_In_ handle_type h) const noexcept = 0;
|
|
};
|
|
|
|
/// @}
|
|
|
|
/// \addtogroup WinStdExceptions
|
|
/// @{
|
|
|
|
///
|
|
/// Numerical runtime error
|
|
///
|
|
template <typename _Tn>
|
|
class num_runtime_error : public std::runtime_error
|
|
{
|
|
public:
|
|
typedef _Tn error_type; ///< Error number type
|
|
|
|
public:
|
|
///
|
|
/// Constructs an exception
|
|
///
|
|
/// \param[in] num Numeric error code
|
|
/// \param[in] msg Error message
|
|
///
|
|
num_runtime_error(_In_ error_type num, _In_ const std::string& msg) :
|
|
m_num(num),
|
|
runtime_error(msg)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Constructs an exception
|
|
///
|
|
/// \param[in] num Numeric error code
|
|
/// \param[in] msg Error message
|
|
///
|
|
num_runtime_error(_In_ error_type num, _In_opt_z_ const char *msg = nullptr) :
|
|
m_num(num),
|
|
runtime_error(msg)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Returns the Windows error number
|
|
///
|
|
error_type number() const
|
|
{
|
|
return m_num;
|
|
}
|
|
|
|
protected:
|
|
error_type m_num; ///< Numeric error code
|
|
};
|
|
|
|
///
|
|
/// Windows runtime error
|
|
///
|
|
class win_runtime_error : public num_runtime_error<DWORD>
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs an exception
|
|
///
|
|
/// \param[in] num Windows error code
|
|
/// \param[in] msg Error message
|
|
///
|
|
win_runtime_error(_In_ error_type num, _In_ const std::string& msg) : num_runtime_error<DWORD>(num, msg)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Constructs an exception
|
|
///
|
|
/// \param[in] num Windows error code
|
|
/// \param[in] msg Error message
|
|
///
|
|
win_runtime_error(_In_ error_type num, _In_opt_z_ const char *msg = nullptr) : num_runtime_error<DWORD>(num, msg)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Constructs an exception using `GetLastError()`
|
|
///
|
|
/// \param[in] msg Error message
|
|
///
|
|
win_runtime_error(_In_ const std::string& msg) : num_runtime_error<DWORD>(GetLastError(), msg)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Constructs an exception using `GetLastError()`
|
|
///
|
|
/// \param[in] msg Error message
|
|
///
|
|
win_runtime_error(_In_opt_z_ const char *msg = nullptr) : num_runtime_error<DWORD>(GetLastError(), msg)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Returns a user-readable Windows error message
|
|
///
|
|
/// \sa [FormatMessage function](https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-formatmessage)
|
|
///
|
|
tstring msg(_In_opt_ DWORD dwLanguageId = 0) const
|
|
{
|
|
tstring str;
|
|
if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, m_num, dwLanguageId, str, NULL)) {
|
|
// Stock Windows error messages contain CRLF. Well... Trim all the trailing white space.
|
|
str.erase(str.find_last_not_of(_T(" \t\n\r\f\v")) + 1);
|
|
} else
|
|
sprintf(str, m_num >= 0x10000 ? _T("Error 0x%X") : _T("Error %u"), m_num);
|
|
return str;
|
|
}
|
|
};
|
|
|
|
/// @}
|
|
|
|
/// \addtogroup WinStdStrFormat
|
|
/// @{
|
|
|
|
///
|
|
/// Base template class to support string formatting using `printf()` style templates
|
|
///
|
|
template<class _Elem, class _Traits, class _Ax>
|
|
class basic_string_printf : public std::basic_string<_Elem, _Traits, _Ax>
|
|
{
|
|
public:
|
|
/// \name Initializing string using template in memory
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `printf()` style template.
|
|
///
|
|
/// \param[in] format String template using `printf()` style
|
|
///
|
|
basic_string_printf(_In_z_ _Printf_format_string_ const _Elem *format, ...)
|
|
{
|
|
va_list arg;
|
|
va_start(arg, format);
|
|
vsprintf(*this, format, arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
/// @}
|
|
|
|
/// \name Initializing string using template in resources
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `printf()` style template in resources.
|
|
///
|
|
/// \param[in] hInstance Resource module handle
|
|
/// \param[in] nFormatID Resource ID of the string template using `printf()` style
|
|
///
|
|
basic_string_printf(_In_ HINSTANCE hInstance, _In_ UINT nFormatID, ...)
|
|
{
|
|
_Myt format;
|
|
ATLENSURE(format.LoadString(hInstance, nFormatID));
|
|
|
|
va_list arg;
|
|
va_start(arg, nFormatID);
|
|
vsprintf(*this, format, arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `printf()` style template in resources.
|
|
///
|
|
/// \param[in] hInstance Resource module handle
|
|
/// \param[in] wLanguageID Resource language
|
|
/// \param[in] nFormatID Resource ID of the string template using `printf()` style
|
|
///
|
|
basic_string_printf(_In_ HINSTANCE hInstance, _In_ WORD wLanguageID, _In_ UINT nFormatID, ...)
|
|
{
|
|
_Myt format;
|
|
ATLENSURE(format.LoadString(hInstance, nFormatID, wLanguageID));
|
|
|
|
va_list arg;
|
|
va_start(arg, nFormatID);
|
|
vsprintf(*this, format, arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
/// }@
|
|
};
|
|
|
|
///
|
|
/// Single-byte character implementation of a class to support string formatting using `printf()` style templates
|
|
///
|
|
typedef basic_string_printf<char, std::char_traits<char>, std::allocator<char> > string_printf;
|
|
|
|
///
|
|
/// Wide character implementation of a class to support string formatting using `printf()` style templates
|
|
///
|
|
typedef basic_string_printf<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > wstring_printf;
|
|
|
|
///
|
|
/// Multi-byte / Wide-character formatted string (according to _UNICODE)
|
|
///
|
|
#ifdef _UNICODE
|
|
typedef wstring_printf tstring_printf;
|
|
#else
|
|
typedef string_printf tstring_printf;
|
|
#endif
|
|
|
|
///
|
|
/// Base template class to support string formatting using `FormatMessage()` style templates
|
|
///
|
|
template<class _Elem, class _Traits, class _Ax>
|
|
class basic_string_msg : public std::basic_string<_Elem, _Traits, _Ax>
|
|
{
|
|
public:
|
|
/// \name Initializing string using template in memory
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style template.
|
|
///
|
|
/// \param[in] format String template using `FormatMessage()` style
|
|
///
|
|
basic_string_msg(_In_z_ _FormatMessage_format_string_ const _Elem *format, ...)
|
|
{
|
|
va_list arg;
|
|
va_start(arg, format);
|
|
FormatMessage(FORMAT_MESSAGE_FROM_STRING, format, 0, 0, *this, &arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
/// @}
|
|
|
|
/// \name Initializing string using template in resources
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style template in resources.
|
|
///
|
|
/// \param[in] hInstance Resource module handle
|
|
/// \param[in] nFormatID Resource ID of the string template using `FormatMessage()` style
|
|
///
|
|
basic_string_msg(_In_ HINSTANCE hInstance, _In_ UINT nFormatID, ...)
|
|
{
|
|
_Myt format(GetManager());
|
|
ATLENSURE(format.LoadString(hInstance, nFormatID));
|
|
|
|
va_list arg;
|
|
va_start(arg, nFormatID);
|
|
FormatMessage(FORMAT_MESSAGE_FROM_STRING, format, 0, 0, *this, &arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style template in resources.
|
|
///
|
|
/// \param[in] hInstance Resource module handle
|
|
/// \param[in] wLanguageID Resource language
|
|
/// \param[in] nFormatID Resource ID of the string template using `FormatMessage()` style
|
|
///
|
|
basic_string_msg(_In_ HINSTANCE hInstance, _In_ WORD wLanguageID, _In_ UINT nFormatID, ...)
|
|
{
|
|
_Myt format(GetManager());
|
|
ATLENSURE(format.LoadString(hInstance, nFormatID, wLanguageID));
|
|
|
|
va_list arg;
|
|
va_start(arg, nFormatID);
|
|
FormatMessage(FORMAT_MESSAGE_FROM_STRING, format, 0, 0, *this, &arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
/// @}
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style.
|
|
///
|
|
/// \sa [FormatMessage function](https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351.aspx)
|
|
///
|
|
basic_string_msg(_In_ DWORD dwFlags, _In_opt_ LPCVOID lpSource, _In_ DWORD dwMessageId, _In_ DWORD dwLanguageId, _In_opt_ va_list *Arguments)
|
|
{
|
|
FormatMessage(dwFlags & ~FORMAT_MESSAGE_ARGUMENT_ARRAY, lpSource, dwMessageId, dwLanguageId, *this, Arguments);
|
|
}
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style.
|
|
///
|
|
/// \sa [FormatMessage function](https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351.aspx)
|
|
///
|
|
basic_string_msg(_In_ DWORD dwFlags, _In_opt_ LPCVOID lpSource, _In_ DWORD dwMessageId, _In_ DWORD dwLanguageId, _In_opt_ DWORD_PTR *Arguments)
|
|
{
|
|
FormatMessage(dwFlags | FORMAT_MESSAGE_ARGUMENT_ARRAY, lpSource, dwMessageId, dwLanguageId, *this, (va_list*)Arguments);
|
|
}
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style.
|
|
///
|
|
/// \sa [FormatMessage function](https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351.aspx)
|
|
///
|
|
basic_string_msg(_In_ DWORD dwFlags, _In_z_ LPCTSTR pszFormat, _In_opt_ va_list *Arguments)
|
|
{
|
|
FormatMessage(dwFlags & ~FORMAT_MESSAGE_ARGUMENT_ARRAY | FORMAT_MESSAGE_FROM_STRING, pszFormat, 0, 0, *this, Arguments);
|
|
}
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents using `FormatMessage()` style.
|
|
///
|
|
/// \sa [FormatMessage function](https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351.aspx)
|
|
///
|
|
basic_string_msg(_In_ DWORD dwFlags, _In_z_ LPCTSTR pszFormat, _In_opt_ DWORD_PTR *Arguments)
|
|
{
|
|
FormatMessage(dwFlags | FORMAT_MESSAGE_ARGUMENT_ARRAY | FORMAT_MESSAGE_FROM_STRING, pszFormat, 0, 0, *this, (va_list*)Arguments);
|
|
}
|
|
};
|
|
|
|
///
|
|
/// Single-byte character implementation of a class to support string formatting using `FormatMessage()` style templates
|
|
///
|
|
typedef basic_string_msg<char, std::char_traits<char>, std::allocator<char> > string_msg;
|
|
|
|
///
|
|
/// Wide character implementation of a class to support string formatting using `FormatMessage()` style templates
|
|
///
|
|
typedef basic_string_msg<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > wstring_msg;
|
|
|
|
///
|
|
/// Multi-byte / Wide-character formatted string (according to _UNICODE)
|
|
///
|
|
#ifdef _UNICODE
|
|
typedef wstring_msg tstring_msg;
|
|
#else
|
|
typedef string_msg tstring_msg;
|
|
#endif
|
|
|
|
///
|
|
/// Base template class to support converting GUID to string
|
|
///
|
|
template<class _Elem, class _Traits, class _Ax>
|
|
class basic_string_guid : public std::basic_string<_Elem, _Traits, _Ax>
|
|
{
|
|
public:
|
|
/// \name Initializing string using template in memory
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents to string representation of given GUID.
|
|
///
|
|
/// \param[in] guid GUID to convert
|
|
/// \param[in] format A `printf()` syntax template to convert GUID to string (i.e. `"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}"`)
|
|
///
|
|
basic_string_guid(_In_ const GUID &guid, _In_z_ _Printf_format_string_ const _Elem *format)
|
|
{
|
|
sprintf<_Elem, _Traits, _Ax>(*this, format,
|
|
guid.Data1,
|
|
guid.Data2,
|
|
guid.Data3,
|
|
guid.Data4[0], guid.Data4[1],
|
|
guid.Data4[2], guid.Data4[3], guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);
|
|
}
|
|
|
|
/// @}
|
|
};
|
|
|
|
///
|
|
/// Single-byte character implementation of a class to support converting GUID to string
|
|
///
|
|
class string_guid : public basic_string_guid<char, std::char_traits<char>, std::allocator<char> >
|
|
{
|
|
public:
|
|
/// \name Initializing string using template in memory
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents to string representation of given GUID.
|
|
///
|
|
/// \param[in] guid GUID to convert
|
|
///
|
|
string_guid(_In_ const GUID &guid) :
|
|
basic_string_guid<char, std::char_traits<char>, std::allocator<char> >(guid, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}")
|
|
{
|
|
}
|
|
|
|
/// @}
|
|
};
|
|
|
|
///
|
|
/// Wide character implementation of a class to support converting GUID to string
|
|
///
|
|
class wstring_guid : public basic_string_guid<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >
|
|
{
|
|
public:
|
|
/// \name Initializing string using template in memory
|
|
/// @{
|
|
|
|
///
|
|
/// Initializes a new string and formats its contents to string representation of given GUID.
|
|
///
|
|
/// \param[in] guid GUID to convert
|
|
///
|
|
wstring_guid(_In_ const GUID &guid) :
|
|
basic_string_guid<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >(guid, L"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}")
|
|
{
|
|
}
|
|
|
|
/// @}
|
|
};
|
|
|
|
///
|
|
/// Multi-byte / Wide-character string GUID (according to _UNICODE)
|
|
///
|
|
#ifdef _UNICODE
|
|
typedef wstring_guid tstring_guid;
|
|
#else
|
|
typedef string_guid tstring_guid;
|
|
#endif
|
|
|
|
/// @}
|
|
|
|
/// \addtogroup WinStdMemSanitize
|
|
/// @{
|
|
|
|
// winstd::sanitizing_allocator::destroy() member generates _Ptr parameter not used warning for primitive datatypes _Ty.
|
|
#pragma warning(push)
|
|
#pragma warning(disable: 4100)
|
|
|
|
///
|
|
/// An allocator template that sanitizes each memory block before it is destroyed or reallocated
|
|
///
|
|
/// \note
|
|
/// `sanitizing_allocator` introduces a performance penalty. However, it provides an additional level of security.
|
|
/// Use for security sensitive data memory storage only.
|
|
///
|
|
template<class _Ty>
|
|
class sanitizing_allocator : public std::allocator<_Ty>
|
|
{
|
|
public:
|
|
typedef std::allocator<_Ty> _Mybase; ///< Base type
|
|
|
|
///
|
|
/// Convert this type to sanitizing_allocator<_Other>
|
|
///
|
|
template<class _Other>
|
|
struct rebind
|
|
{
|
|
typedef sanitizing_allocator<_Other> other; ///< Other type
|
|
};
|
|
|
|
///
|
|
/// Construct default allocator
|
|
///
|
|
sanitizing_allocator() noexcept : _Mybase()
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Construct by copying
|
|
///
|
|
sanitizing_allocator(_In_ const sanitizing_allocator<_Ty> &_Othr) : _Mybase(_Othr)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Construct from a related allocator
|
|
///
|
|
template<class _Other>
|
|
sanitizing_allocator(_In_ const sanitizing_allocator<_Other> &_Othr) noexcept : _Mybase(_Othr)
|
|
{
|
|
}
|
|
|
|
///
|
|
/// Deallocate object at _Ptr sanitizing its content first
|
|
///
|
|
void deallocate(_In_ pointer _Ptr, _In_ size_type _Size)
|
|
{
|
|
// Sanitize then free.
|
|
SecureZeroMemory(_Ptr, _Size);
|
|
_Mybase::deallocate(_Ptr, _Size);
|
|
}
|
|
};
|
|
|
|
#pragma warning(pop)
|
|
|
|
///
|
|
/// A sanitizing variant of std::string
|
|
///
|
|
/// \note
|
|
/// `sanitizing_string` introduces a performance penalty. However, it provides an additional level of security.
|
|
/// Use for security sensitive data memory storage only.
|
|
///
|
|
typedef std::basic_string<char, std::char_traits<char>, sanitizing_allocator<char> > sanitizing_string;
|
|
|
|
///
|
|
/// A sanitizing variant of std::wstring
|
|
///
|
|
/// \note
|
|
/// `sanitizing_wstring` introduces a performance penalty. However, it provides an additional level of security.
|
|
/// Use for security sensitive data memory storage only.
|
|
///
|
|
typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, sanitizing_allocator<wchar_t> > sanitizing_wstring;
|
|
|
|
///
|
|
/// Multi-byte / Wide-character sanitizing string (according to _UNICODE)
|
|
///
|
|
#ifdef _UNICODE
|
|
typedef sanitizing_wstring sanitizing_tstring;
|
|
#else
|
|
typedef sanitizing_string sanitizing_tstring;
|
|
#endif
|
|
|
|
///
|
|
/// Sanitizing BLOB
|
|
///
|
|
template<size_t N>
|
|
class sanitizing_blob
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs uninitialized BLOB
|
|
///
|
|
sanitizing_blob()
|
|
{
|
|
ZeroMemory(m_data, N);
|
|
}
|
|
|
|
///
|
|
/// Sanitizes BLOB
|
|
///
|
|
~sanitizing_blob()
|
|
{
|
|
SecureZeroMemory(m_data, N);
|
|
}
|
|
|
|
public:
|
|
unsigned char m_data[N]; ///< BLOB data
|
|
};
|
|
|
|
/// @}
|
|
}
|