148 	      IV check, STRLEN * offset, SV * term, int * retcode,   in encode_method()  argument
182     while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check,  in encode_method()
238         if (check & ENCODE_DIE_ON_ERR) {  in encode_method()
243         if (encode_ckWARN(check, WARN_UTF8)) {  in encode_method()
247         if (check & ENCODE_RETURN_ON_ERR){  in encode_method()
250         if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){  in encode_method()
256 		: newSVpvf(check & ENCODE_PERLQQ ? "\\x{%04" UVxf "}" :  in encode_method()
257                  check & ENCODE_HTMLCREF ? "&#%" UVuf ";" :  in encode_method()
277         if (check & ENCODE_DIE_ON_ERR){  in encode_method()
282         if (encode_ckWARN(check, WARN_UTF8)) {  in encode_method()
288         if (check & ENCODE_RETURN_ON_ERR){  in encode_method()
291         if (check &  in encode_method()
325     if (check && !(check & ENCODE_LEAVE_SRC)){  in encode_method()
390     IV check;  in process_utf8()  local
401 	check = 0;  in process_utf8()
406 	check = ENCODE_PERLQQ|ENCODE_LEAVE_SRC; /* same as perlqq */  in process_utf8()
410 	check = SvIV_nomg(check_sv);  in process_utf8()
419     stop_at_partial = stop_at_partial || (check & ENCODE_STOP_AT_PARTIAL);  in process_utf8()
457         if (!encode && (check & (ENCODE_DIE_ON_ERR|ENCODE_WARN_ON_ERR|ENCODE_PERLQQ)))  in process_utf8()
459         if (check & ENCODE_DIE_ON_ERR){  in process_utf8()
465         if (encode_ckWARN(check, WARN_UTF8)) {  in process_utf8()
473         if (check & ENCODE_RETURN_ON_ERR) {  in process_utf8()
476         if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){  in process_utf8()
484                     : newSVpvf(check & ENCODE_PERLQQ  in process_utf8()
486                         :  check & ENCODE_HTMLCREF ? "&#%" UVuf ";"  in process_utf8()
500                     if (check & (ENCODE_HTMLCREF|ENCODE_XMLCREF))  in process_utf8()
501 …for (i=0; i<ulen; ++i) ptr += sprintf(ptr, ((check & ENCODE_HTMLCREF) ? "&#%u;" : "&#x%02X;"), s[i…  in process_utf8()
579 call_encoding(pTHX_ const char *method, SV *obj, SV *src, SV *check)  in call_encoding()  argument
587     if (check)  in call_encoding()
588         check = sv_2mortal(newSVsv(check));  in call_encoding()
590     if (!check || SvROK(check) || !SvTRUE_nomg(check) || (SvIV_nomg(check) & ENCODE_LEAVE_SRC))  in call_encoding()
595     XPUSHs(check ? check : &PL_sv_no);  in call_encoding()
628     IV check;  variable
634 …check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvOK(check_sv) ? SvIV_nomg(check_sv) : …
635     modify = (check && !(check & ENCODE_LEAVE_SRC));
686     IV check;  variable
691 …check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvOK(check_sv) ? SvIV_nomg(check_sv) : …
692     modify = (check && !(check & ENCODE_LEAVE_SRC));
787     IV check;
799 …check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvOK(check_sv) ? SvIV_nomg(check_sv) : …
801     modify = (check && !(check & ENCODE_LEAVE_SRC));
810     tmp = encode_method(aTHX_ enc, enc->t_utf8, src, s, slen, check,
824     IV check;
834 …check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvOK(check_sv) ? SvIV_nomg(check_sv) : …
836     modify = (check && !(check & ENCODE_LEAVE_SRC));
844     ret = encode_method(aTHX_ enc, enc->t_utf8, src, s, slen, check,
856     IV check;
866 …check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvOK(check_sv) ? SvIV_nomg(check_sv) : …
868     modify = (check && !(check & ENCODE_LEAVE_SRC));
876     ret = encode_method(aTHX_ enc, enc->f_utf8, src, s, slen, check,
929 is_utf8(sv, check = 0)
931 int	check
939     if (RETVAL && check && (!str || !is_utf8_string((U8 *)str, len)))
977 decode(encoding, octets, check = NULL)
980 SV *	check
994     RETVAL = call_encoding(aTHX_ "decode", obj, octets, check);
999 encode(encoding, string, check = NULL)
1002 SV *	check
1016     RETVAL = call_encoding(aTHX_ "encode", obj, string, check);
1021 decode_utf8(octets, check = NULL)
1023 SV *	check
1034     RETVAL = call_encoding(aTHX_ "decode", *sv, octets, check);
1049 from_to(octets, from, to, check = NULL)
1053 SV *	check
1074     new_octets = sv_2mortal(call_encoding(aTHX_ "encode", to_obj, string, check));
1076 …  if (SvOK(new_octets) && (!check || SvROK(check) || !SvTRUE_nomg(check) || sv_len(string) == 0)) {