Function win_iconv

lib_acl_cpp/src/stdlib/internal/win_iconv.cpp:801–898

}

static size_t
win_iconv(iconv_t _cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
{
    rec_iconv_t *cd = (rec_iconv_t *)_cd;
    ushort wbuf[MB_CHAR_MAX]; /* enough room for one character */
    int insize;
    int outsize;
    int wsize;
    DWORD mode;
    uint wc;
    compat_t *cp;
    int i;

    if (inbuf == NULL || *inbuf == NULL)
    {
        if (outbuf != NULL && *outbuf != NULL && cd->to.flush != NULL)
        {
            outsize = cd->to.flush(&cd->to, (uchar *)*outbuf,
		    (int) (*outbytesleft));
            if (outsize == -1)
                return (size_t)(-1);
            *outbuf += outsize;
            *outbytesleft -= outsize;
        }
        if (is_unicode(cd->from.codepage) && (cd->from.mode & UNICODE_MODE_SWAPPED))
            cd->from.codepage ^= 1;
        cd->from.mode = 0;
        cd->to.mode = 0;
        return 0;
    }

    while (*inbytesleft != 0)
    {
        mode = cd->from.mode;
        wsize = MB_CHAR_MAX;

        insize = cd->from.mbtowc(&cd->from, (const uchar *)*inbuf,
		(int) (*inbytesleft), wbuf, &wsize);
        if (insize == -1)
            return (size_t)(-1);

        if (is_unicode(cd->from.codepage) && !(cd->from.mode & UNICODE_MODE_BOM_DONE))
        {
            check_utf_bom(cd, wbuf, &wsize);
            cd->from.mode |= UNICODE_MODE_BOM_DONE;
        }

        if (wsize == 0)
        {
            *inbuf += insize;
            *inbytesleft -= insize;
            continue;
        }

        if (cd->from.compat != NULL)
        {
            wc = utf16_to_ucs4(wbuf);
            cp = cd->from.compat;