mirror of https://github.com/sheumann/hush.git
unicode_wcwidth.c: shrink
function old new delta static.combining1 - 184 +184 in_interval_table - 78 +78 bb_wcwidth 328 406 +78 in_table 78 - -78 static.combining 516 148 -368 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/1 up/down: 340/-446) Total: -106 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
307b24c851
commit
46685a46bb
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@ -65,22 +65,49 @@ struct interval {
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};
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/* auxiliary function for binary search in interval table */
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static int in_table(unsigned ucs, const struct interval *table, unsigned max)
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static int in_interval_table(unsigned ucs, const struct interval *table, unsigned max)
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{
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unsigned min = 0;
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unsigned min;
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unsigned mid;
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if (ucs < table[0].first || ucs > table[max].last)
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return 0;
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min = 0;
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while (max >= min) {
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mid = (min + max) / 2;
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if (ucs > table[mid].last)
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min = mid + 1;
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min = mid + 1;
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else if (ucs < table[mid].first)
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max = mid - 1;
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max = mid - 1;
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else
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return 1;
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return 1;
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}
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return 0;
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}
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static int in_uint16_table(unsigned ucs, const uint16_t *table, unsigned max)
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{
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unsigned min;
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unsigned mid;
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unsigned first, last;
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first = table[0] >> 2;
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last = first + (table[0] & 3);
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if (ucs < first || ucs > last)
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return 0;
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min = 0;
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while (max >= min) {
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mid = (min + max) / 2;
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first = table[mid] >> 2;
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last = first + (table[mid] & 3);
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if (ucs > last)
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min = mid + 1;
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else if (ucs < first)
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max = mid - 1;
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else
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return 1;
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}
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return 0;
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}
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@ -122,49 +149,276 @@ static int wcwidth(unsigned ucs)
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/* sorted list of non-overlapping intervals of non-spacing characters */
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/* generated by "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c" */
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static const struct interval combining[] = {
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{ 0x0300, 0x036F }, { 0x0483, 0x0486 }, { 0x0488, 0x0489 },
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{ 0x0591, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 },
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{ 0x05C4, 0x05C5 }, { 0x05C7, 0x05C7 }, { 0x0600, 0x0603 },
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{ 0x0610, 0x0615 }, { 0x064B, 0x065E }, { 0x0670, 0x0670 },
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{ 0x06D6, 0x06E4 }, { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED },
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{ 0x070F, 0x070F }, { 0x0711, 0x0711 }, { 0x0730, 0x074A },
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{ 0x07A6, 0x07B0 }, { 0x07EB, 0x07F3 }, { 0x0901, 0x0902 },
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{ 0x093C, 0x093C }, { 0x0941, 0x0948 }, { 0x094D, 0x094D },
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{ 0x0951, 0x0954 }, { 0x0962, 0x0963 }, { 0x0981, 0x0981 },
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{ 0x09BC, 0x09BC }, { 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD },
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{ 0x09E2, 0x09E3 }, { 0x0A01, 0x0A02 }, { 0x0A3C, 0x0A3C },
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{ 0x0A41, 0x0A42 }, { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D },
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{ 0x0A70, 0x0A71 }, { 0x0A81, 0x0A82 }, { 0x0ABC, 0x0ABC },
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{ 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 }, { 0x0ACD, 0x0ACD },
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{ 0x0AE2, 0x0AE3 }, { 0x0B01, 0x0B01 }, { 0x0B3C, 0x0B3C },
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{ 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 }, { 0x0B4D, 0x0B4D },
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{ 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 }, { 0x0BC0, 0x0BC0 },
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{ 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 }, { 0x0C46, 0x0C48 },
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{ 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 }, { 0x0CBC, 0x0CBC },
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{ 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD },
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{ 0x0CE2, 0x0CE3 }, { 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D },
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{ 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 },
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{ 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E },
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{ 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC },
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{ 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 },
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{ 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E },
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{ 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 },
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{ 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 },
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{ 0x1032, 0x1032 }, { 0x1036, 0x1037 }, { 0x1039, 0x1039 },
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{ 0x1058, 0x1059 }, { 0x1160, 0x11FF }, { 0x135F, 0x135F },
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{ 0x1712, 0x1714 }, { 0x1732, 0x1734 }, { 0x1752, 0x1753 },
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{ 0x1772, 0x1773 }, { 0x17B4, 0x17B5 }, { 0x17B7, 0x17BD },
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{ 0x17C6, 0x17C6 }, { 0x17C9, 0x17D3 }, { 0x17DD, 0x17DD },
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{ 0x180B, 0x180D }, { 0x18A9, 0x18A9 }, { 0x1920, 0x1922 },
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{ 0x1927, 0x1928 }, { 0x1932, 0x1932 }, { 0x1939, 0x193B },
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{ 0x1A17, 0x1A18 }, { 0x1B00, 0x1B03 }, { 0x1B34, 0x1B34 },
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{ 0x1B36, 0x1B3A }, { 0x1B3C, 0x1B3C }, { 0x1B42, 0x1B42 },
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{ 0x1B6B, 0x1B73 }, { 0x1DC0, 0x1DCA }, { 0x1DFE, 0x1DFF },
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{ 0x200B, 0x200F }, { 0x202A, 0x202E }, { 0x2060, 0x2063 },
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{ 0x206A, 0x206F }, { 0x20D0, 0x20EF }, { 0x302A, 0x302F },
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{ 0x3099, 0x309A }, { 0xA806, 0xA806 }, { 0xA80B, 0xA80B },
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{ 0xA825, 0xA826 }, { 0xFB1E, 0xFB1E }, { 0xFE00, 0xFE0F },
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{ 0xFE20, 0xFE23 }, { 0xFEFF, 0xFEFF }, { 0xFFF9, 0xFFFB }
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#define BIG_(a,b) { a, b },
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#define PAIR(a,b)
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/* PAIR if < 0x4000 and no more than 4 chars big */
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BIG_(0x0300, 0x036F)
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PAIR(0x0483, 0x0486)
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PAIR(0x0488, 0x0489)
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BIG_(0x0591, 0x05BD)
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PAIR(0x05BF, 0x05BF)
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PAIR(0x05C1, 0x05C2)
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PAIR(0x05C4, 0x05C5)
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PAIR(0x05C7, 0x05C7)
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PAIR(0x0600, 0x0603)
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BIG_(0x0610, 0x0615)
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BIG_(0x064B, 0x065E)
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PAIR(0x0670, 0x0670)
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BIG_(0x06D6, 0x06E4)
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PAIR(0x06E7, 0x06E8)
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PAIR(0x06EA, 0x06ED)
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PAIR(0x070F, 0x070F)
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PAIR(0x0711, 0x0711)
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BIG_(0x0730, 0x074A)
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BIG_(0x07A6, 0x07B0)
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BIG_(0x07EB, 0x07F3)
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PAIR(0x0901, 0x0902)
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PAIR(0x093C, 0x093C)
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BIG_(0x0941, 0x0948)
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PAIR(0x094D, 0x094D)
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PAIR(0x0951, 0x0954)
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PAIR(0x0962, 0x0963)
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PAIR(0x0981, 0x0981)
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PAIR(0x09BC, 0x09BC)
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PAIR(0x09C1, 0x09C4)
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PAIR(0x09CD, 0x09CD)
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PAIR(0x09E2, 0x09E3)
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PAIR(0x0A01, 0x0A02)
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PAIR(0x0A3C, 0x0A3C)
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PAIR(0x0A41, 0x0A42)
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PAIR(0x0A47, 0x0A48)
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PAIR(0x0A4B, 0x0A4D)
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PAIR(0x0A70, 0x0A71)
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PAIR(0x0A81, 0x0A82)
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PAIR(0x0ABC, 0x0ABC)
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BIG_(0x0AC1, 0x0AC5)
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PAIR(0x0AC7, 0x0AC8)
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PAIR(0x0ACD, 0x0ACD)
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PAIR(0x0AE2, 0x0AE3)
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PAIR(0x0B01, 0x0B01)
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PAIR(0x0B3C, 0x0B3C)
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PAIR(0x0B3F, 0x0B3F)
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PAIR(0x0B41, 0x0B43)
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PAIR(0x0B4D, 0x0B4D)
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PAIR(0x0B56, 0x0B56)
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PAIR(0x0B82, 0x0B82)
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PAIR(0x0BC0, 0x0BC0)
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PAIR(0x0BCD, 0x0BCD)
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PAIR(0x0C3E, 0x0C40)
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PAIR(0x0C46, 0x0C48)
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PAIR(0x0C4A, 0x0C4D)
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PAIR(0x0C55, 0x0C56)
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PAIR(0x0CBC, 0x0CBC)
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PAIR(0x0CBF, 0x0CBF)
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PAIR(0x0CC6, 0x0CC6)
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PAIR(0x0CCC, 0x0CCD)
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PAIR(0x0CE2, 0x0CE3)
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PAIR(0x0D41, 0x0D43)
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PAIR(0x0D4D, 0x0D4D)
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PAIR(0x0DCA, 0x0DCA)
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PAIR(0x0DD2, 0x0DD4)
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PAIR(0x0DD6, 0x0DD6)
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PAIR(0x0E31, 0x0E31)
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BIG_(0x0E34, 0x0E3A)
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BIG_(0x0E47, 0x0E4E)
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PAIR(0x0EB1, 0x0EB1)
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BIG_(0x0EB4, 0x0EB9)
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PAIR(0x0EBB, 0x0EBC)
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BIG_(0x0EC8, 0x0ECD)
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PAIR(0x0F18, 0x0F19)
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PAIR(0x0F35, 0x0F35)
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PAIR(0x0F37, 0x0F37)
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PAIR(0x0F39, 0x0F39)
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BIG_(0x0F71, 0x0F7E)
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BIG_(0x0F80, 0x0F84)
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PAIR(0x0F86, 0x0F87)
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PAIR(0x0FC6, 0x0FC6)
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BIG_(0x0F90, 0x0F97)
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BIG_(0x0F99, 0x0FBC)
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PAIR(0x102D, 0x1030)
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PAIR(0x1032, 0x1032)
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PAIR(0x1036, 0x1037)
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PAIR(0x1039, 0x1039)
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PAIR(0x1058, 0x1059)
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BIG_(0x1160, 0x11FF)
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PAIR(0x135F, 0x135F)
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PAIR(0x1712, 0x1714)
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PAIR(0x1732, 0x1734)
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PAIR(0x1752, 0x1753)
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PAIR(0x1772, 0x1773)
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PAIR(0x17B4, 0x17B5)
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BIG_(0x17B7, 0x17BD)
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PAIR(0x17C6, 0x17C6)
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BIG_(0x17C9, 0x17D3)
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PAIR(0x17DD, 0x17DD)
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PAIR(0x180B, 0x180D)
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PAIR(0x18A9, 0x18A9)
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PAIR(0x1920, 0x1922)
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PAIR(0x1927, 0x1928)
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PAIR(0x1932, 0x1932)
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PAIR(0x1939, 0x193B)
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PAIR(0x1A17, 0x1A18)
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PAIR(0x1B00, 0x1B03)
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PAIR(0x1B34, 0x1B34)
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BIG_(0x1B36, 0x1B3A)
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PAIR(0x1B3C, 0x1B3C)
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PAIR(0x1B42, 0x1B42)
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BIG_(0x1B6B, 0x1B73)
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BIG_(0x1DC0, 0x1DCA)
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PAIR(0x1DFE, 0x1DFF)
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BIG_(0x200B, 0x200F)
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BIG_(0x202A, 0x202E)
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PAIR(0x2060, 0x2063)
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BIG_(0x206A, 0x206F)
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BIG_(0x20D0, 0x20EF)
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BIG_(0x302A, 0x302F)
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PAIR(0x3099, 0x309A)
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/* Too big to be packed in PAIRs: */
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{ 0xA806, 0xA806 },
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{ 0xA80B, 0xA80B },
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{ 0xA825, 0xA826 },
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{ 0xFB1E, 0xFB1E },
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{ 0xFE00, 0xFE0F },
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{ 0xFE20, 0xFE23 },
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{ 0xFEFF, 0xFEFF },
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{ 0xFFF9, 0xFFFB }
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#undef BIG_
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#undef PAIR
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};
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static const uint16_t combining1[] = {
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#define BIG_(a,b)
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#define PAIR(a,b) (a << 2) | (b-a),
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/* Exact copy-n-paste of the above: */
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BIG_(0x0300, 0x036F)
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PAIR(0x0483, 0x0486)
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PAIR(0x0488, 0x0489)
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BIG_(0x0591, 0x05BD)
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PAIR(0x05BF, 0x05BF)
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PAIR(0x05C1, 0x05C2)
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PAIR(0x05C4, 0x05C5)
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PAIR(0x05C7, 0x05C7)
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PAIR(0x0600, 0x0603)
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BIG_(0x0610, 0x0615)
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BIG_(0x064B, 0x065E)
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PAIR(0x0670, 0x0670)
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BIG_(0x06D6, 0x06E4)
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PAIR(0x06E7, 0x06E8)
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PAIR(0x06EA, 0x06ED)
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PAIR(0x070F, 0x070F)
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PAIR(0x0711, 0x0711)
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BIG_(0x0730, 0x074A)
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BIG_(0x07A6, 0x07B0)
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BIG_(0x07EB, 0x07F3)
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PAIR(0x0901, 0x0902)
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PAIR(0x093C, 0x093C)
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BIG_(0x0941, 0x0948)
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PAIR(0x094D, 0x094D)
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PAIR(0x0951, 0x0954)
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PAIR(0x0962, 0x0963)
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PAIR(0x0981, 0x0981)
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PAIR(0x09BC, 0x09BC)
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PAIR(0x09C1, 0x09C4)
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PAIR(0x09CD, 0x09CD)
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PAIR(0x09E2, 0x09E3)
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PAIR(0x0A01, 0x0A02)
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PAIR(0x0A3C, 0x0A3C)
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PAIR(0x0A41, 0x0A42)
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PAIR(0x0A47, 0x0A48)
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PAIR(0x0A4B, 0x0A4D)
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PAIR(0x0A70, 0x0A71)
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PAIR(0x0A81, 0x0A82)
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PAIR(0x0ABC, 0x0ABC)
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BIG_(0x0AC1, 0x0AC5)
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PAIR(0x0AC7, 0x0AC8)
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PAIR(0x0ACD, 0x0ACD)
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PAIR(0x0AE2, 0x0AE3)
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PAIR(0x0B01, 0x0B01)
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PAIR(0x0B3C, 0x0B3C)
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PAIR(0x0B3F, 0x0B3F)
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PAIR(0x0B41, 0x0B43)
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PAIR(0x0B4D, 0x0B4D)
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PAIR(0x0B56, 0x0B56)
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PAIR(0x0B82, 0x0B82)
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PAIR(0x0BC0, 0x0BC0)
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PAIR(0x0BCD, 0x0BCD)
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PAIR(0x0C3E, 0x0C40)
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PAIR(0x0C46, 0x0C48)
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PAIR(0x0C4A, 0x0C4D)
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PAIR(0x0C55, 0x0C56)
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PAIR(0x0CBC, 0x0CBC)
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PAIR(0x0CBF, 0x0CBF)
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PAIR(0x0CC6, 0x0CC6)
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PAIR(0x0CCC, 0x0CCD)
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PAIR(0x0CE2, 0x0CE3)
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PAIR(0x0D41, 0x0D43)
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PAIR(0x0D4D, 0x0D4D)
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PAIR(0x0DCA, 0x0DCA)
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PAIR(0x0DD2, 0x0DD4)
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PAIR(0x0DD6, 0x0DD6)
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PAIR(0x0E31, 0x0E31)
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BIG_(0x0E34, 0x0E3A)
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BIG_(0x0E47, 0x0E4E)
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PAIR(0x0EB1, 0x0EB1)
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BIG_(0x0EB4, 0x0EB9)
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PAIR(0x0EBB, 0x0EBC)
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BIG_(0x0EC8, 0x0ECD)
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PAIR(0x0F18, 0x0F19)
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PAIR(0x0F35, 0x0F35)
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PAIR(0x0F37, 0x0F37)
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PAIR(0x0F39, 0x0F39)
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BIG_(0x0F71, 0x0F7E)
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BIG_(0x0F80, 0x0F84)
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PAIR(0x0F86, 0x0F87)
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PAIR(0x0FC6, 0x0FC6)
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||||
BIG_(0x0F90, 0x0F97)
|
||||
BIG_(0x0F99, 0x0FBC)
|
||||
PAIR(0x102D, 0x1030)
|
||||
PAIR(0x1032, 0x1032)
|
||||
PAIR(0x1036, 0x1037)
|
||||
PAIR(0x1039, 0x1039)
|
||||
PAIR(0x1058, 0x1059)
|
||||
BIG_(0x1160, 0x11FF)
|
||||
PAIR(0x135F, 0x135F)
|
||||
PAIR(0x1712, 0x1714)
|
||||
PAIR(0x1732, 0x1734)
|
||||
PAIR(0x1752, 0x1753)
|
||||
PAIR(0x1772, 0x1773)
|
||||
PAIR(0x17B4, 0x17B5)
|
||||
BIG_(0x17B7, 0x17BD)
|
||||
PAIR(0x17C6, 0x17C6)
|
||||
BIG_(0x17C9, 0x17D3)
|
||||
PAIR(0x17DD, 0x17DD)
|
||||
PAIR(0x180B, 0x180D)
|
||||
PAIR(0x18A9, 0x18A9)
|
||||
PAIR(0x1920, 0x1922)
|
||||
PAIR(0x1927, 0x1928)
|
||||
PAIR(0x1932, 0x1932)
|
||||
PAIR(0x1939, 0x193B)
|
||||
PAIR(0x1A17, 0x1A18)
|
||||
PAIR(0x1B00, 0x1B03)
|
||||
PAIR(0x1B34, 0x1B34)
|
||||
BIG_(0x1B36, 0x1B3A)
|
||||
PAIR(0x1B3C, 0x1B3C)
|
||||
PAIR(0x1B42, 0x1B42)
|
||||
BIG_(0x1B6B, 0x1B73)
|
||||
BIG_(0x1DC0, 0x1DCA)
|
||||
PAIR(0x1DFE, 0x1DFF)
|
||||
BIG_(0x200B, 0x200F)
|
||||
BIG_(0x202A, 0x202E)
|
||||
PAIR(0x2060, 0x2063)
|
||||
BIG_(0x206A, 0x206F)
|
||||
BIG_(0x20D0, 0x20EF)
|
||||
BIG_(0x302A, 0x302F)
|
||||
PAIR(0x3099, 0x309A)
|
||||
#undef BIG_
|
||||
#undef PAIR
|
||||
};
|
||||
struct CHECK {
|
||||
#define BIG_(a,b) char big##a[b-a <= 3 ? -1 : 1];
|
||||
#define PAIR(a,b) char pair##a[b-a > 3 ? -1 : 1];
|
||||
/* Copy-n-paste it here again to verify correctness */
|
||||
#undef BIG_
|
||||
#undef PAIR
|
||||
};
|
||||
static const struct interval combining0x10000[] = {
|
||||
{ 0x0A01, 0x0A03 }, { 0x0A05, 0x0A06 }, { 0x0A0C, 0x0A0F },
|
||||
|
|
@ -182,14 +436,16 @@ static int wcwidth(unsigned ucs)
|
|||
return 1;
|
||||
|
||||
/* binary search in table of non-spacing characters */
|
||||
if (in_table(ucs, combining, ARRAY_SIZE(combining) - 1))
|
||||
if (in_interval_table(ucs, combining, ARRAY_SIZE(combining) - 1))
|
||||
return 0;
|
||||
if (in_uint16_table(ucs, combining1, ARRAY_SIZE(combining1) - 1))
|
||||
return 0;
|
||||
|
||||
if (ucs < 0x1100) /* optimization */
|
||||
return 1;
|
||||
|
||||
/* binary search in table of non-spacing characters, cont. */
|
||||
if (in_table(ucs ^ 0x10000, combining0x10000, ARRAY_SIZE(combining0x10000) - 1))
|
||||
if (in_interval_table(ucs ^ 0x10000, combining0x10000, ARRAY_SIZE(combining0x10000) - 1))
|
||||
return 0;
|
||||
if (ucs == 0xE0001
|
||||
|| (ucs >= 0xE0020 && ucs <= 0xE007F)
|
||||
|
|
|
|||
Loading…
Reference in New Issue