281 static int in_interval_table(unsigned ucs, const struct interval *table, unsigned max)  in in_interval_table()  argument
286 	if (ucs < table[0].first || ucs > table[max].last)  in in_interval_table()
292 		if (ucs > table[mid].last)  in in_interval_table()
294 		else if (ucs < table[mid].first)  in in_interval_table()
302 static int in_uint16_table(unsigned ucs, const uint16_t *table, unsigned max)  in in_uint16_table()  argument
309 	if (ucs < first)  in in_uint16_table()
312 	if (ucs > last)  in in_uint16_table()
320 		if (ucs > last)  in in_uint16_table()
322 		else if (ucs < first)  in in_uint16_table()
454 int FAST_FUNC wcwidth(unsigned ucs)  in wcwidth()  argument
608 	if (ucs == 0)  in wcwidth()
612 	if ((ucs & ~0x80) < 0x20 || ucs == 0x7f)  in wcwidth()
615 	if (ucs > CONFIG_LAST_SUPPORTED_WCHAR)  in wcwidth()
619 	if (CONFIG_LAST_SUPPORTED_WCHAR < 0x300 || ucs < 0x300)  in wcwidth()
624 	if (in_interval_table(ucs, combining, ARRAY_SIZE(combining) - 1))  in wcwidth()
626 	if (in_uint16_table(ucs, combining1, ARRAY_SIZE(combining1) - 1))  in wcwidth()
630 	if (CONFIG_LAST_SUPPORTED_WCHAR < 0x1100 || ucs < 0x1100)  in wcwidth()
638 	if ((CONFIG_LAST_SUPPORTED_WCHAR >= 0xd800 && ucs >= 0xd800 && ucs <= 0xf8ff)  in wcwidth()
639 	 || (CONFIG_LAST_SUPPORTED_WCHAR >= 0xfdd0 && ucs >= 0xfdd0 && ucs <= 0xfdef)  in wcwidth()
644 	if (CONFIG_LAST_SUPPORTED_WCHAR >= 0xfffe && ((ucs & 0xfffe) == 0xfffe)) {  in wcwidth()
649 	if (ucs >= 0x10000) {  in wcwidth()
658 		if (in_interval_table(ucs ^ 0x10000, combining0x10000, ARRAY_SIZE(combining0x10000) - 1))  in wcwidth()
662 		 && (  ucs == 0xE0001  in wcwidth()
663 		    || (ucs >= 0xE0020 && ucs <= 0xE007F)  in wcwidth()
664 		    || (ucs >= 0xE0100 && ucs <= 0xE01EF)  in wcwidth()
676 		(  (/*ucs >= 0x1100 &&*/ ucs <= 0x115f) /* Hangul Jamo init. consonants */  in wcwidth()
677 		|| ucs == 0x2329 /* left-pointing angle bracket; also CJK punct. char */  in wcwidth()
678 		|| ucs == 0x232a /* right-pointing angle bracket; also CJK punct. char */  in wcwidth()
680 		|| (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) /* CJK ... Yi */  in wcwidth()
683 		|| (ucs >= 0xac00 && ucs <= 0xd7a3) /* Hangul Syllables */  in wcwidth()
686 		|| (ucs >= 0xf900 && ucs <= 0xfaff) /* CJK Compatibility Ideographs */  in wcwidth()
687 		|| (ucs >= 0xfe10 && ucs <= 0xfe19) /* Vertical forms */  in wcwidth()
688 		|| (ucs >= 0xfe30 && ucs <= 0xfe6f) /* CJK Compatibility Forms */  in wcwidth()
689 		|| (ucs >= 0xff00 && ucs <= 0xff60) /* Fullwidth Forms */  in wcwidth()
690 		|| (ucs >= 0xffe0 && ucs <= 0xffe6)  in wcwidth()
693 		|| ((ucs >> 17) == (2 >> 1)) /* 20000..3ffff: Supplementary and Tertiary Ideographic Planes */  in wcwidth()