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Konstantin
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#include "miscUtils.h"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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std::string utf8( const std::wstring& utf16 )
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{
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int count = WideCharToMultiByte( CP_UTF8, 0, utf16.c_str(), (int)utf16.length(), nullptr, 0, nullptr, nullptr );
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std::string str( count, 0 );
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WideCharToMultiByte( CP_UTF8, 0, utf16.c_str(), -1, &str[ 0 ], count, nullptr, nullptr );
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return str;
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}
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std::wstring utf16( const std::string& u8 )
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{
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int count = MultiByteToWideChar( CP_UTF8, 0, u8.c_str(), (int)u8.length(), nullptr, 0 );
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std::wstring str( count, 0 );
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MultiByteToWideChar( CP_UTF8, 0, u8.c_str(), (int)u8.length(), &str[ 0 ], count );
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return str;
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}
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namespace
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{
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wchar_t* formatMessage( HRESULT hr )
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{
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wchar_t* err;
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if( FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL,
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hr,
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MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ),
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(LPTSTR)&err,
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0,
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NULL ) )
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return err;
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return nullptr;
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}
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}
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void printError( const char* what, HRESULT hr )
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{
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const wchar_t* err = formatMessage( hr );
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if( nullptr != err )
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{
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fwprintf( stderr, L"%S: %s\n", what, err );
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LocalFree( (HLOCAL)err );
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}
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else
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fprintf( stderr, "%s: error code %i (0x%08X)\n", what, hr, hr );
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} |