// Convert wide characters to multibyte characters and write to the log file.
// This function was split out into a separate function because the Log
// function was getting cluttered.
static void
WriteWideCharacterToLog(const TCHAR* pwsz)
{
DWORD dwWritten;
size_t converted;
char psz[LOG_BUFFER_LENGTH];
mbstate_t mbstate;
wcsrtombs_s(&converted, psz, LOG_BUFFER_LENGTH - 1, &pwsz,
wcslen(pwsz) * sizeof(TCHAR), &mbstate);
WriteFile((HANDLE) hfLog, psz, strlen(psz), &dwWritten, NULL);
}
//----------------------------------------------------------------------
//
//----------------------------------------------------------------------
bool SystemMultiByteEncoding::ConvertFromUTF16(const byte_t* pInBuffer, size_t uInByteCount, byte_t* pOutBuffer, size_t uOutBufferByteCount, size_t* pBytesUsed, size_t* pCharsUsed, bool* pUsedDefaultChar) const
{
#ifdef LNOTE_WCHAR_16
// wcsrtombs_s は変換したいサイズを指定することができず、基本的に \0 まで変換することになる。
// そのため、一度別バッファに移して \0 を付ける
ReferenceBuffer tmpWideBuffer;
tmpWideBuffer.reserve(uInByteCount + sizeof(wchar_t)); // NULL 文字分
tmpWideBuffer.copy(pInBuffer, uInByteCount);
wchar_t* wideStr = (wchar_t*)tmpWideBuffer.getPointer();
wideStr[uInByteCount / sizeof(wchar_t)] = L'\0';
// Wide → Multi
size_t convertedLen;
mbstate_t mbstate = 0;
::memset((void*)&mbstate, 0, sizeof(mbstate));
errno_t err = wcsrtombs_s(
&convertedLen, // 変換された文字数が格納される (Multi への変換なので、バイト数)
(char*)pOutBuffer, // 出力先バッファ
uOutBufferByteCount, // 出力先バッファのサイズ (バイト数)
(const wchar_t**)&wideStr, // 変換元
_TRUNCATE, // 出力先バッファに格納できる最大バイト数 (実質↑↑と同じ。_TRUNCATE で \0 まで)
&mbstate);
LN_THROW(err == 0, ArgumentException);
// 終端には \0 が強制的に付加される。純粋な文字部分のサイズが欲しいので -1 する。
// TODO: つまり、出力バッファは ↑の第2引数 +1ワード分 確保しておく必要がある
convertedLen--;
// wcsrtombs_s じゃ文字数カウントはできないので UnicodeUtils を使う
int count;
if (LN::UnicodeUtils::GetUTF16CharCount((LN::UTF16*)pInBuffer, uInByteCount / sizeof(LN::UTF16), true, &count) != LN::UTFConversionResult_Success){
return false;
}
*pBytesUsed = convertedLen;
*pCharsUsed = count;
#else
LN_THROW(0, NotImplementedException);
#endif
return true;
}
void TestAddendum( void )
{
wchar_t wc;
wchar_t wcs[10];
wchar_t * wcsPtr;
int status;
mbstate_t state;
unsigned char mbc[MB_LEN_MAX];
unsigned char mbcs[10*MB_LEN_MAX+1];
unsigned char * mbcsPtr;
errno_t rc;
size_t retval;
int violations = NumViolations;
status = wctob( L'!' );
VERIFY( status == '!' );
status = mbtowc( &wc, "\x90\x90", 2 );
#ifndef DUMMY_DBCS
VERIFY( status == 2 );
status = wctob( wc );
VERIFY( status == EOF );
#else
VERIFY( status == 1 );
status = wctob( wc );
VERIFY( status == 0x90 );
#endif
status = sisinit( NULL );
VERIFY( status != 0 );
state = 0;
status = sisinit( &state );
VERIFY( status == 0 );
state = 123;
status = sisinit( &state );
VERIFY( status == 0 );
status = mbrlen( "\0""!", 2, &state );
VERIFY( status == 0 );
status = mbrlen( "!", 2, &state );
VERIFY( status == 1 );
wc = L'\0';
rc = wcrtomb_s( &retval, mbc, MB_LEN_MAX, wc, &state );
VERIFY( rc == 0 );
VERIFY( *mbc == '\0' );
VERIFY( retval == 1 );
VERIFY( violations == NumViolations );
rc = wcrtomb_s( &retval, mbc, MB_LEN_MAX, L'X', &state );
VERIFY( rc == 0 );
VERIFY( *mbc == 'X' );
VERIFY( retval == 1 );
VERIFY( violations == NumViolations );
rc = wcrtomb_s( &retval, NULL, 0, L'X', &state );
VERIFY( rc == 0 );
VERIFY( retval == 1 );
VERIFY( violations == NumViolations );
_mbscpy( mbcs, "Foo!\x90\x90" );
mbcsPtr = mbcs;
wcs[5] = wcs[6] = L'-';
rc = mbsrtowcs_s( &retval, wcs, 10, (const char**)(&mbcsPtr), 6, &state );
VERIFY( rc == 0 );
VERIFY( retval == 5 );
VERIFY( wcs[0] == L'F' );
VERIFY( wcs[1] == L'o' );
VERIFY( wcs[2] == L'o' );
VERIFY( wcs[3] == L'!' );
mbcsPtr = mbcs;
rc = mbsrtowcs_s( &retval, NULL, 0, (const char**)(&mbcsPtr), 1, &state );
VERIFY( rc == 0 );
VERIFY( retval == 5 );
wcsPtr = wcs;
_mbsset( mbcs, _mbsnextc("#") );
rc = wcsrtombs_s( &retval, mbcs, 10, (const wchar_t**)(&wcsPtr), 6, &state );
VERIFY( rc == 0 );
VERIFY( retval == 6 );
mbcs[retval] = '\0';
VERIFY( _mbscmp( mbcs, "Foo!\x90\x90" ) == 0 );
wcsPtr = wcs;
rc = wcsrtombs_s( &retval, NULL, 0, (const wchar_t**)(&wcsPtr), 20, &state );
VERIFY( rc == 0 );
VERIFY( retval == 6 );
/***********************************************************************/
/* test runtime-constraints */
/***********************************************************************/
*mbc = 'X';
rc = wcrtomb_s( NULL, mbc, MB_LEN_MAX, wc, &state );
VERIFY( rc != 0 );
VERIFY( *mbc == '\0' );
VERIFY( ++violations == NumViolations );
*mbc = 'X';
rc = wcrtomb_s( &retval, mbc, MB_LEN_MAX, L'X', NULL );
VERIFY( rc != 0 );
VERIFY( *mbc == '\0' );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
rc = wcrtomb_s( &retval, NULL, MB_LEN_MAX, L'X', &state );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
*mbc = 'X';
rc = wcrtomb_s( &retval, mbc, 0, L'X', &state );
VERIFY( rc != 0 );
VERIFY( *mbc == 'X' );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
#if RSIZE_MAX != SIZE_MAX
rc = wcrtomb_s( &retval, mbc, ~0, L'X', &state );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( *mbc == 'X' );
VERIFY( ++violations == NumViolations );
#endif
mbcsPtr = mbcs;
rc = mbsrtowcs_s( NULL, NULL, 0, (const char**)(&mbcsPtr), 1, &state );
VERIFY( rc != 0 );
VERIFY( ++violations == NumViolations );
rc = mbsrtowcs_s( &retval, NULL, 0, NULL, 1, &state );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
mbcsPtr = NULL;
rc = mbsrtowcs_s( &retval, NULL, 0, (const char**)(&mbcsPtr), 1, &state );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
rc = mbsrtowcs_s( &retval, NULL, 0, (const char**)(&wcsPtr), 1, NULL );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
rc = mbsrtowcs_s( &retval, NULL, 111, (const char**)(&wcsPtr), 1, &state );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
wcsPtr = wcs;
rc = wcsrtombs_s( &retval, mbcs, 5, (const wchar_t**)(&wcsPtr), 10, &state );
VERIFY( rc != 0 );
VERIFY( retval == -1 );
VERIFY( ++violations == NumViolations );
}