99  * Convert an UTF-8 string to an UCS4 string.
101  * @param in an UTF-8 string to convert.
140  * Calculate the length of from converting a UTF-8 string to a UCS4
143  * @param in an UTF-8 string to convert.
160  * Convert an UCS4 string to a UTF-8 string.
165  * @param out the resulting UTF-8 strint, must be at least
181     uint32_t ch;  in wind_ucs4utf8()  local
185 	ch = in[i];  in wind_ucs4utf8()
187 	if (ch < 0x80) {  in wind_ucs4utf8()
189 	} else if (ch < 0x800) {  in wind_ucs4utf8()
191 	} else if (ch < 0x10000) {  in wind_ucs4utf8()
193 	} else if (ch <= 0x10FFFF) {  in wind_ucs4utf8()
206 		out[3] = (ch | 0x80) & 0xbf;  in wind_ucs4utf8()
207 		ch = ch >> 6;  in wind_ucs4utf8()
209 		out[2] = (ch | 0x80) & 0xbf;  in wind_ucs4utf8()
210 		ch = ch >> 6;  in wind_ucs4utf8()
212 		out[1] = (ch | 0x80) & 0xbf;  in wind_ucs4utf8()
213 		ch = ch >> 6;  in wind_ucs4utf8()
215 		out[0] = ch | first_char[len - 1];  in wind_ucs4utf8()
230  * Calculate the length of from converting a UCS4 string to an UTF-8 string.
234  * @param out_len the length of the resulting UTF-8 string.
284 	uint16_t bom = (p[0] << 8) + p[1];  in wind_ucs2read()
288 	    len -= 2;  in wind_ucs2read()
301 	    *out = (p[1] << 8) + p[0];  in wind_ucs2read()
303 	    *out = (p[0] << 8) + p[1];  in wind_ucs2read()
304 	out++; p += 2; len -= 2; olen--;  in wind_ucs2read()
306     *out_len -= olen;  in wind_ucs2read()
350 	    p[1] = (bom >> 8) & 0xff;  in wind_ucs2write()
353 	    p[0] = (bom >> 8) & 0xff;  in wind_ucs2write()
355 	len -= 2;  in wind_ucs2write()
364 	    p[1] = (in[0] >> 8) & 0xff;  in wind_ucs2write()
367 	    p[0] = (in[0] >> 8) & 0xff;  in wind_ucs2write()
369 	len -= 2;  in wind_ucs2write()
370 	in_len--;  in wind_ucs2write()
374     *out_len -= len;  in wind_ucs2write()
380  * Convert an UTF-8 string to an UCS2 string.
382  * @param in an UTF-8 string to convert.
424  * Calculate the length of from converting a UTF-8 string to a UCS2
427  * @param in an UTF-8 string to convert.
441  * Convert an UCS2 string to a UTF-8 string.
445  * @param out the resulting UTF-8 strint, must be at least
460     uint16_t ch;  in wind_ucs2utf8()  local
464 	ch = in[i];  in wind_ucs2utf8()
466 	if (ch < 0x80) {  in wind_ucs2utf8()
468 	} else if (ch < 0x800) {  in wind_ucs2utf8()
481 		out[2] = (ch | 0x80) & 0xbf;  in wind_ucs2utf8()
482 		ch = ch >> 6;  in wind_ucs2utf8()
484 		out[1] = (ch | 0x80) & 0xbf;  in wind_ucs2utf8()
485 		ch = ch >> 6;  in wind_ucs2utf8()
487 		out[0] = ch | first_char[len - 1];  in wind_ucs2utf8()
502  * Calculate the length of from converting a UCS2 string to an UTF-8 string.
506  * @param out_len the length of the resulting UTF-8 string.