DEAN LEE:/DEV/BLOG » utf8 http://www.deanlee.cn mount /dev/brain || tail -f /var/log/thoughts >> /pub/www Thu, 22 Mar 2012 06:55:19 +0000 http://wordpress.org/?v=2.6.2 en Convert Unicode To UTF8 http://www.deanlee.cn/programming/convert-unicode-to-utf8/ http://www.deanlee.cn/programming/convert-unicode-to-utf8/#comments Sun, 24 Sep 2006 06:00:15 +0000 Dean Lee http://www.deanlee.cn/2006/09/24/convert-unicode-to-utf8/ char* __stdcall UnicodeToUtf8( const WCHAR* wstr )
{
    const WCHAR* w;
    // Convert unicode to utf8
    int len = 0;
    for ( w = wstr; *w; w++ ) {

        if ( *w < 0×0080 ) len++;
        else if ( *w < 0×0800 ) len += 2;
        else len += 3;
    }

    unsigned char* szOut = ( unsigned char* )malloc( len+1 );

    if ( szOut == NULL )
        return NULL;

    int i = 0;
    for ( w = wstr; *w; w++ ) {
        if ( *w < 0×0080 )
            szOut[i++] = ( unsigned char ) *w;
        else if ( *w < 0×0800 ) {
            szOut[i++] = 0xc0 | (( *w ) >> 6 );
            szOut[i++] = 0×80 | (( *w ) &amp; 0×3f );
        }
        else {
            szOut[i++] = 0xe0 | (( *w ) >> 12 );
            szOut[i++] = 0×80 | (( ( *w ) >> 6 ) &amp; 0×3f );
            szOut[i++] = 0×80 | (( *w ) &amp; 0×3f );
        }    }

    szOut[ i ] = ‘\0‘;
    return ( char* )szOut;
} ]]> http://www.deanlee.cn/programming/convert-unicode-to-utf8/feed/