1357     const intern_type* frm_end,  in do_out()  argument
1364   for (; fend != frm_end; ++fend)  in do_out()
1369   for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt) {  in do_out()
1390     if (fend != frm_end) // set up next null terminated sequence  in do_out()
1403       for (fend = frm_nxt; fend != frm_end; ++fend)  in do_out()
1408   return frm_nxt == frm_end ? ok : partial;  in do_out()
1414     const extern_type* frm_end,  in do_in()  argument
1421   for (; fend != frm_end; ++fend)  in do_in()
1426   for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt) {  in do_in()
1451       return frm_nxt == frm_end ? ok : partial;  in do_in()
1458     if (fend != frm_end) // set up next null terminated sequence  in do_in()
1467       for (fend = frm_nxt; fend != frm_end; ++fend)  in do_in()
1472   return frm_nxt == frm_end ? ok : partial;  in do_in()
1503     state_type& st, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
1505   for (size_t nwchar_t = 0; nwchar_t < mx && frm != frm_end; ++nwchar_t) {  in do_length()
1506     size_t n = __libcpp_mbrlen_l(frm, static_cast<size_t>(frm_end - frm), &st, __l_);  in do_length()
1546     const uint16_t* frm_end,  in utf16_to_utf8()  argument
1562   for (; frm_nxt < frm_end; ++frm_nxt) {  in utf16_to_utf8()
1582       if (frm_end - frm_nxt < 2)  in utf16_to_utf8()
1612     const uint32_t* frm_end,  in utf16_to_utf8()  argument
1628   for (; frm_nxt < frm_end; ++frm_nxt) {  in utf16_to_utf8()
1648       if (frm_end - frm_nxt < 2)  in utf16_to_utf8()
1678     const uint8_t* frm_end,  in utf8_to_utf16()  argument
1688     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_utf16()
1691   for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) {  in utf8_to_utf16()
1701       if (frm_end - frm_nxt < 2)  in utf8_to_utf16()
1712       if (frm_end - frm_nxt < 2)  in utf8_to_utf16()
1729       if (frm_end - frm_nxt < 3)  in utf8_to_utf16()
1740       if (frm_end - frm_nxt < 2)  in utf8_to_utf16()
1757       if (frm_end - frm_nxt < 3)  in utf8_to_utf16()
1762       if (frm_end - frm_nxt < 4)  in utf8_to_utf16()
1779   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf8_to_utf16()
1784     const uint8_t* frm_end,  in utf8_to_utf16()  argument
1794     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_utf16()
1797   for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) {  in utf8_to_utf16()
1807       if (frm_end - frm_nxt < 2)  in utf8_to_utf16()
1818       if (frm_end - frm_nxt < 2)  in utf8_to_utf16()
1835       if (frm_end - frm_nxt < 3)  in utf8_to_utf16()
1846       if (frm_end - frm_nxt < 2)  in utf8_to_utf16()
1863       if (frm_end - frm_nxt < 3)  in utf8_to_utf16()
1868       if (frm_end - frm_nxt < 4)  in utf8_to_utf16()
1885   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf8_to_utf16()
1890     const uint8_t* frm_end,  in utf8_to_utf16_length()  argument
1896     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_utf16_length()
1899   for (size_t nchar16_t = 0; frm_nxt < frm_end && nchar16_t < mx; ++nchar16_t) {  in utf8_to_utf16_length()
1908       if ((frm_end - frm_nxt < 2) || (frm_nxt[1] & 0xC0) != 0x80)  in utf8_to_utf16_length()
1915       if (frm_end - frm_nxt < 3)  in utf8_to_utf16_length()
1939       if (frm_end - frm_nxt < 4 || mx - nchar16_t < 2)  in utf8_to_utf16_length()
1973     const uint32_t* frm_end,  in ucs4_to_utf8()  argument
1989   for (; frm_nxt < frm_end; ++frm_nxt) {  in ucs4_to_utf8()
2023     const uint8_t* frm_end,  in utf8_to_ucs4()  argument
2033     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_ucs4()
2036   for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) {  in utf8_to_ucs4()
2046       if (frm_end - frm_nxt < 2)  in utf8_to_ucs4()
2057       if (frm_end - frm_nxt < 2)  in utf8_to_ucs4()
2074       if (frm_end - frm_nxt < 3)  in utf8_to_ucs4()
2085       if (frm_end - frm_nxt < 2)  in utf8_to_ucs4()
2102       if (frm_end - frm_nxt < 3)  in utf8_to_ucs4()
2107       if (frm_end - frm_nxt < 4)  in utf8_to_ucs4()
2121   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf8_to_ucs4()
2126     const uint8_t* frm_end,  in utf8_to_ucs4_length()  argument
2132     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_ucs4_length()
2135   for (size_t nchar32_t = 0; frm_nxt < frm_end && nchar32_t < mx; ++nchar32_t) {  in utf8_to_ucs4_length()
2144       if ((frm_end - frm_nxt < 2) || ((frm_nxt[1] & 0xC0) != 0x80))  in utf8_to_ucs4_length()
2150       if (frm_end - frm_nxt < 3)  in utf8_to_ucs4_length()
2174       if (frm_end - frm_nxt < 4)  in utf8_to_ucs4_length()
2207     const uint16_t* frm_end,  in ucs2_to_utf8()  argument
2223   for (; frm_nxt < frm_end; ++frm_nxt) {  in ucs2_to_utf8()
2250     const uint8_t* frm_end,  in utf8_to_ucs2()  argument
2260     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_ucs2()
2263   for (; frm_nxt < frm_end && to_nxt < to_end; ++to_nxt) {  in utf8_to_ucs2()
2273       if (frm_end - frm_nxt < 2)  in utf8_to_ucs2()
2284       if (frm_end - frm_nxt < 2)  in utf8_to_ucs2()
2301       if (frm_end - frm_nxt < 3)  in utf8_to_ucs2()
2315   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf8_to_ucs2()
2320     const uint8_t* frm_end,  in utf8_to_ucs2_length()  argument
2326     if (frm_end - frm_nxt >= 3 && frm_nxt[0] == 0xEF && frm_nxt[1] == 0xBB && frm_nxt[2] == 0xBF)  in utf8_to_ucs2_length()
2329   for (size_t nchar32_t = 0; frm_nxt < frm_end && nchar32_t < mx; ++nchar32_t) {  in utf8_to_ucs2_length()
2338       if ((frm_end - frm_nxt < 2) || ((frm_nxt[1] & 0xC0) != 0x80))  in utf8_to_ucs2_length()
2344       if (frm_end - frm_nxt < 3)  in utf8_to_ucs2_length()
2376     const uint32_t* frm_end,  in ucs4_to_utf16be()  argument
2391   for (; frm_nxt < frm_end; ++frm_nxt) {  in ucs4_to_utf16be()
2416     const uint8_t* frm_end,  in utf16be_to_ucs4()  argument
2426     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)  in utf16be_to_ucs4()
2429   for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) {  in utf16be_to_ucs4()
2439       if (frm_end - frm_nxt < 4)  in utf16be_to_ucs4()
2451   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf16be_to_ucs4()
2456     const uint8_t* frm_end,  in utf16be_to_ucs4_length()  argument
2462     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)  in utf16be_to_ucs4_length()
2465   for (size_t nchar32_t = 0; frm_nxt < frm_end - 1 && nchar32_t < mx; ++nchar32_t) {  in utf16be_to_ucs4_length()
2474       if (frm_end - frm_nxt < 4)  in utf16be_to_ucs4_length()
2490     const uint32_t* frm_end,  in ucs4_to_utf16le()  argument
2505   for (; frm_nxt < frm_end; ++frm_nxt) {  in ucs4_to_utf16le()
2530     const uint8_t* frm_end,  in utf16le_to_ucs4()  argument
2540     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)  in utf16le_to_ucs4()
2543   for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) {  in utf16le_to_ucs4()
2553       if (frm_end - frm_nxt < 4)  in utf16le_to_ucs4()
2565   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf16le_to_ucs4()
2570     const uint8_t* frm_end,  in utf16le_to_ucs4_length()  argument
2576     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)  in utf16le_to_ucs4_length()
2579   for (size_t nchar32_t = 0; frm_nxt < frm_end - 1 && nchar32_t < mx; ++nchar32_t) {  in utf16le_to_ucs4_length()
2588       if (frm_end - frm_nxt < 4)  in utf16le_to_ucs4_length()
2604     const uint16_t* frm_end,  in ucs2_to_utf16be()  argument
2619   for (; frm_nxt < frm_end; ++frm_nxt) {  in ucs2_to_utf16be()
2633     const uint8_t* frm_end,  in utf16be_to_ucs2()  argument
2643     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)  in utf16be_to_ucs2()
2646   for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) {  in utf16be_to_ucs2()
2653   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf16be_to_ucs2()
2658     const uint8_t* frm_end,  in utf16be_to_ucs2_length()  argument
2664     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)  in utf16be_to_ucs2_length()
2667   for (size_t nchar16_t = 0; frm_nxt < frm_end - 1 && nchar16_t < mx; ++nchar16_t) {  in utf16be_to_ucs2_length()
2678     const uint16_t* frm_end,  in ucs2_to_utf16le()  argument
2693   for (; frm_nxt < frm_end; ++frm_nxt) {  in ucs2_to_utf16le()
2707     const uint8_t* frm_end,  in utf16le_to_ucs2()  argument
2717     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)  in utf16le_to_ucs2()
2720   for (; frm_nxt < frm_end - 1 && to_nxt < to_end; ++to_nxt) {  in utf16le_to_ucs2()
2727   return frm_nxt < frm_end ? codecvt_base::partial : codecvt_base::ok;  in utf16le_to_ucs2()
2732     const uint8_t* frm_end,  in utf16le_to_ucs2_length()  argument
2739     if (frm_end - frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)  in utf16le_to_ucs2_length()
2742   for (size_t nchar16_t = 0; frm_nxt < frm_end - 1 && nchar16_t < mx; ++nchar16_t) {  in utf16le_to_ucs2_length()
2762     const intern_type* frm_end,  in do_out()  argument
2768   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
2782     const extern_type* frm_end,  in do_in()  argument
2788   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
2810     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
2812   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
2829     const intern_type* frm_end,  in do_out()  argument
2835   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
2849     const extern_type* frm_end,  in do_in()  argument
2855   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
2877     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
2879   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
2896     const intern_type* frm_end,  in do_out()  argument
2902   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
2916     const extern_type* frm_end,  in do_in()  argument
2922   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
2944     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
2946   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
2963     const intern_type* frm_end,  in do_out()  argument
2969   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
2983     const extern_type* frm_end,  in do_in()  argument
2989   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3011     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3013   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3027     const intern_type* frm_end,  in do_out()  argument
3034   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3038   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3057     const extern_type* frm_end,  in do_in()  argument
3063   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3092     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3094   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3121     const intern_type* frm_end,  in do_out()  argument
3127   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3141     const extern_type* frm_end,  in do_in()  argument
3147   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3169     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3171   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3188     const intern_type* frm_end,  in do_out()  argument
3194   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3208     const extern_type* frm_end,  in do_in()  argument
3214   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3236     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3238   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3256     const intern_type* frm_end,  in do_out()  argument
3263   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3267   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3286     const extern_type* frm_end,  in do_in()  argument
3292   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3321     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3323   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3348     const intern_type* frm_end,  in do_out()  argument
3355   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3359   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3378     const extern_type* frm_end,  in do_in()  argument
3384   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3413     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3415   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3441     const intern_type* frm_end,  in do_out()  argument
3447   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3461     const extern_type* frm_end,  in do_in()  argument
3467   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3489     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3491   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3508     const intern_type* frm_end,  in do_out()  argument
3514   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3528     const extern_type* frm_end,  in do_in()  argument
3534   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3556     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3558   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3575     const intern_type* frm_end,  in do_out()  argument
3581   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3595     const extern_type* frm_end,  in do_in()  argument
3601   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3623     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3625   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3642     const intern_type* frm_end,  in do_out()  argument
3648   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3662     const extern_type* frm_end,  in do_in()  argument
3668   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3690     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3692   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3710     const intern_type* frm_end,  in do_out()  argument
3717   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3721   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3736     const extern_type* frm_end,  in do_in()  argument
3742   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3770     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3772   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3788     const intern_type* frm_end,  in do_out()  argument
3794   const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);  in do_out()
3808     const extern_type* frm_end,  in do_in()  argument
3814   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3836     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3838   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()
3855     const intern_type* frm_end,  in do_out()  argument
3861   const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);  in do_out()
3875     const extern_type* frm_end,  in do_in()  argument
3881   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_in()
3903     state_type&, const extern_type* frm, const extern_type* frm_end, size_t mx) const {  in do_length()  argument
3905   const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);  in do_length()