41 #define	KICONV_UCS_COMBINE	0x1
42 #define	KICONV_UCS_FROM_UTF8	0x2
43 #define	KICONV_UCS_TO_UTF8	0x4
44 #define	KICONV_UCS_FROM_LE	0x8
45 #define	KICONV_UCS_TO_LE	0x10
46 #define	KICONV_UCS_FROM_UTF16	0x20
47 #define	KICONV_UCS_TO_UTF16	0x40
48 #define	KICONV_UCS_UCS4		0x80
62 	{ NULL,		0,	0 }
99 	dp->convtype = 0;  in iconv_ucs_open()
103 	for (i = 0; unicode_family[i].name; i++) {  in iconv_ucs_open()
104 		if (strcasecmp(from, unicode_family[i].name) == 0)  in iconv_ucs_open()
106 		if (strcasecmp(to, unicode_family[i].name) == 0)  in iconv_ucs_open()
109 	if (strcmp(ENCODING_UNICODE, ENCODING_UTF16) == 0)  in iconv_ucs_open()
116 		if ((dp->convtype & KICONV_UCS_FROM_UTF8) == 0 &&  in iconv_ucs_open()
117 		    (dp->convtype & KICONV_UCS_FROM_LE) == 0) {  in iconv_ucs_open()
120 		if ((dp->convtype & KICONV_UCS_TO_UTF8) == 0 &&  in iconv_ucs_open()
121 		    (dp->convtype & KICONV_UCS_TO_LE) == 0) {  in iconv_ucs_open()
141 	return 0;  in iconv_ucs_open()
162 	return 0;  in iconv_ucs_close()
171 	int ret = 0, i;  in iconv_ucs_conv()
179 		return 0;  in iconv_ucs_conv()
185 	while (ir > 0 && or > 0) {  in iconv_ucs_conv()
190 		code = 0;  in iconv_ucs_conv()
194 			inlen = 0;  in iconv_ucs_conv()
196 			if (code == 0) {  in iconv_ucs_conv()
207 			if ((code >= 0xd800 && code < 0xe000) || code >= 0x110000 ) {  in iconv_ucs_conv()
228 			for (q = ucs, i = ucslen - 1 ; i >= 0 ; i--)  in iconv_ucs_conv()
229 				*q++ = (code >> (i << 3)) & 0xff;  in iconv_ucs_conv()
254 			if ((*q & 0xfc) == 0xd8) {  in iconv_ucs_conv()
279 				if ((*q & 0xfc) != 0xdc) {  in iconv_ucs_conv()
298 				code = (ucs[0] << 8) | ucs[1];  in iconv_ucs_conv()
307 			outlen = 0;  in iconv_ucs_conv()
345 				if ((dp->convtype & KICONV_UCS_UCS4) == 0 ||  in iconv_ucs_conv()
346 				    (dp->convtype & KICONV_UCS_TO_UTF16) == 0) {  in iconv_ucs_conv()
382 	return (0);  in iconv_ucs_init()
388 	return (0);  in iconv_ucs_done()
404 	{0, 0}
412 	size_t i, w = 0;  in utf8_to_ucs4()
413 	uint32_t ucs4 = 0;  in utf8_to_ucs4()
418 	if ((*src & 0x80) == 0) {  in utf8_to_ucs4()
420 		 * leading 1 bit is "0"  in utf8_to_ucs4()
421 		 *  utf-8: 0xxxxxxx  in utf8_to_ucs4()
422 		 *  ucs-4: 00000000 00000000 00000000 0xxxxxxx  in utf8_to_ucs4()
426 		ucs4 = *src & 0x7f;  in utf8_to_ucs4()
427 	} else if ((*src & 0xe0) == 0xc0) {  in utf8_to_ucs4()
435 		ucs4 = *src & 0x1f;  in utf8_to_ucs4()
436 	} else if ((*src & 0xf0) == 0xe0) {  in utf8_to_ucs4()
444 		ucs4 = *src & 0x0f;  in utf8_to_ucs4()
445 	} else if ((*src & 0xf8) == 0xf0) {  in utf8_to_ucs4()
453 		ucs4 = *src & 0x07;  in utf8_to_ucs4()
456 		return (0);  in utf8_to_ucs4()
460 		return (0);  in utf8_to_ucs4()
466 		if ((*(src + i) & 0xc0) != 0x80) {  in utf8_to_ucs4()
468 			return (0);  in utf8_to_ucs4()
472 		ucs4 |= *(src + i) & 0x3f;  in utf8_to_ucs4()
488 	if (ucs4 < 0x80) {  in ucs4_to_utf8()
490 		lead = 0;	/* "0" */  in ucs4_to_utf8()
491 	} else if (ucs4 < 0x800) {  in ucs4_to_utf8()
493 		lead = 0xc0;	/* "11" */  in ucs4_to_utf8()
494 	} else if (ucs4 < 0x10000) {  in ucs4_to_utf8()
496 		lead = 0xe0;	/* "111" */  in ucs4_to_utf8()
497 	} else if (ucs4 < 0x200000) {  in ucs4_to_utf8()
499 		lead = 0xf0;	/* "1111" */  in ucs4_to_utf8()
513 		*(p + i) = (ucs4 & 0x3f) | 0x80;  in ucs4_to_utf8()
526 	return ((((code - 0x10000) << 6) & 0x3ff0000) |  in encode_surrogate()
527 	    ((code - 0x10000) & 0x3ff) | 0xd800dc00);  in encode_surrogate()
533 	return ((((ucs[0] & 0x3) << 18) | (ucs[1] << 10) |  in decode_surrogate()
534 	    ((ucs[2] & 0x3) << 8) | ucs[3]) + 0x10000);  in decode_surrogate()