bsd/vfs/vfs_utfconv.c

173  * a NULL termination byte). The string must reside in kernel memory.
179  *    UTF_REVERSE_ENDIAN:  Unicode byte order is opposite current runtime
181  *    UTF_BIG_ENDIAN:  Unicode byte order is always big endian
183  *    UTF_LITTLE_ENDIAN:  Unicode byte order is always little endian
246  *    UTF_BIG_ENDIAN:  Unicode byte order is always big endian
248  *    UTF_LITTLE_ENDIAN:  Unicode byte order is always little endian
393  *    UTF_REV_ENDIAN:  Unicode byte order is opposite current runtime
395  *    UTF_BIG_ENDIAN:  Unicode byte order is always big endian
397  *    UTF_LITTLE_ENDIAN:  Unicode byte order is always little endian
417 	unsigned int byte;
433 	while (utf8len-- > 0 && (byte = *utf8p++) != '\0') {
438 		if (byte < 0x80) {
439 			ucs_ch = sfmconv ? ucs_to_sfm(byte, utf8len == 0) : byte;
443 			extrabytes = utf_extrabytes[byte >> 3];
451 				ch = byte; ch <<= 6;   /* 1st byte */
452 				byte = *utf8p++;       /* 2nd byte */
453 				if ((byte >> 6) != 2)
455 				ch += byte;
462 				ch = byte; ch <<= 6;   /* 1st byte */
463 				byte = *utf8p++;       /* 2nd byte */
464 				if ((byte >> 6) != 2)
466 				ch += byte; ch <<= 6;
467 				byte = *utf8p++;       /* 3rd byte */
468 				if ((byte >> 6) != 2)
470 				ch += byte;
483 				ch = byte; ch <<= 6;   /* 1st byte */
484 				byte = *utf8p++;       /* 2nd byte */
485 				if ((byte >> 6) != 2)
487 				ch += byte; ch <<= 6;
488 				byte = *utf8p++;       /* 3rd byte */
489 				if ((byte >> 6) != 2)
491 				ch += byte; ch <<= 6;
492 				byte = *utf8p++;       /* 4th byte */
493 				if ((byte >> 6) != 2)
495 			        ch += byte;
589 		byte = *(utf8p - 1);
602 		ucs_ch =  hexdigits[byte >> 4];
604 		ucs_ch =  hexdigits[byte & 0x0F];
630 	unsigned int byte;
635 	while (utf8len-- > 0 && (byte = *utf8p++) != '\0') {
636 		if (byte < 0x80)
639 		extrabytes = utf_extrabytes[byte >> 3];
647 			ch = byte; ch <<= 6;   /* 1st byte */
648 			byte = *utf8p++;       /* 2nd byte */
649 			if ((byte >> 6) != 2)
651 			ch += byte;
657 			ch = byte; ch <<= 6;   /* 1st byte */
658 			byte = *utf8p++;       /* 2nd byte */
659 			if ((byte >> 6) != 2)
661 			ch += byte; ch <<= 6;
662 			byte = *utf8p++;       /* 3rd byte */
663 			if ((byte >> 6) != 2)
665 			ch += byte;
677 			ch = byte; ch <<= 6;   /* 1st byte */
678 			byte = *utf8p++;       /* 2nd byte */
679 			if ((byte >> 6) != 2)
681 			ch += byte; ch <<= 6;
682 			byte = *utf8p++;       /* 3rd byte */
683 			if ((byte >> 6) != 2)
685 			ch += byte; ch <<= 6;
686 			byte = *utf8p++;       /* 4th byte */
687 			if ((byte >> 6) != 2)
689 			ch += byte;
714  * a NULL termination byte) is returned in outlen. In-place conversions
742 	unsigned int byte;
759 	while (inlen-- > 0 && (byte = *instr++) != '\0') {
764 		if (byte >= 0x80) {
768 		*outstr++ = byte;
797 	 * For pre-composed output, every UTF-8 input byte will be at