--- /dev/null
+// Implementation of wcwidth(3) - file is developed at:
+// https://github.com/termux/wcwidth/blob/master/wcwidth.c
+#include <stdbool.h>
+#include <stdlib.h>
+
+struct width_interval {
+ int start;
+ int end;
+};
+
+// From https://github.com/jquast/wcwidth/blob/master/wcwidth/table_zero.py
+// at commit 0d7de112202cc8b2ebe9232ff4a5c954f19d561a (2016-07-02):
+static struct width_interval ZERO_WIDTH[] = {
+ {0x0300, 0x036f}, // Combining Grave Accent ..Combining Latin Small Le
+ {0x0483, 0x0489}, // Combining Cyrillic Titlo..Combining Cyrillic Milli
+ {0x0591, 0x05bd}, // Hebrew Accent Etnahta ..Hebrew Point Meteg
+ {0x05bf, 0x05bf}, // Hebrew Point Rafe ..Hebrew Point Rafe
+ {0x05c1, 0x05c2}, // Hebrew Point Shin Dot ..Hebrew Point Sin Dot
+ {0x05c4, 0x05c5}, // Hebrew Mark Upper Dot ..Hebrew Mark Lower Dot
+ {0x05c7, 0x05c7}, // Hebrew Point Qamats Qata..Hebrew Point Qamats Qata
+ {0x0610, 0x061a}, // Arabic Sign Sallallahou ..Arabic Small Kasra
+ {0x064b, 0x065f}, // Arabic Fathatan ..Arabic Wavy Hamza Below
+ {0x0670, 0x0670}, // Arabic Letter Superscrip..Arabic Letter Superscrip
+ {0x06d6, 0x06dc}, // Arabic Small High Ligatu..Arabic Small High Seen
+ {0x06df, 0x06e4}, // Arabic Small High Rounde..Arabic Small High Madda
+ {0x06e7, 0x06e8}, // Arabic Small High Yeh ..Arabic Small High Noon
+ {0x06ea, 0x06ed}, // Arabic Empty Centre Low ..Arabic Small Low Meem
+ {0x0711, 0x0711}, // Syriac Letter Superscrip..Syriac Letter Superscrip
+ {0x0730, 0x074a}, // Syriac Pthaha Above ..Syriac Barrekh
+ {0x07a6, 0x07b0}, // Thaana Abafili ..Thaana Sukun
+ {0x07eb, 0x07f3}, // Nko Combining Sh||t High..Nko Combining Double Dot
+ {0x0816, 0x0819}, // Samaritan Mark In ..Samaritan Mark Dagesh
+ {0x081b, 0x0823}, // Samaritan Mark Epentheti..Samaritan Vowel Sign A
+ {0x0825, 0x0827}, // Samaritan Vowel Sign Sho..Samaritan Vowel Sign U
+ {0x0829, 0x082d}, // Samaritan Vowel Sign Lon..Samaritan Mark Nequdaa
+ {0x0859, 0x085b}, // Mandaic Affrication Mark..Mandaic Gemination Mark
+ {0x08d4, 0x08e1}, // (nil) ..
+ {0x08e3, 0x0902}, // Arabic Turned Damma Belo..Devanagari Sign Anusvara
+ {0x093a, 0x093a}, // Devanagari Vowel Sign Oe..Devanagari Vowel Sign Oe
+ {0x093c, 0x093c}, // Devanagari Sign Nukta ..Devanagari Sign Nukta
+ {0x0941, 0x0948}, // Devanagari Vowel Sign U ..Devanagari Vowel Sign Ai
+ {0x094d, 0x094d}, // Devanagari Sign Virama ..Devanagari Sign Virama
+ {0x0951, 0x0957}, // Devanagari Stress Sign U..Devanagari Vowel Sign Uu
+ {0x0962, 0x0963}, // Devanagari Vowel Sign Vo..Devanagari Vowel Sign Vo
+ {0x0981, 0x0981}, // Bengali Sign Candrabindu..Bengali Sign Candrabindu
+ {0x09bc, 0x09bc}, // Bengali Sign Nukta ..Bengali Sign Nukta
+ {0x09c1, 0x09c4}, // Bengali Vowel Sign U ..Bengali Vowel Sign Vocal
+ {0x09cd, 0x09cd}, // Bengali Sign Virama ..Bengali Sign Virama
+ {0x09e2, 0x09e3}, // Bengali Vowel Sign Vocal..Bengali Vowel Sign Vocal
+ {0x0a01, 0x0a02}, // Gurmukhi Sign Adak Bindi..Gurmukhi Sign Bindi
+ {0x0a3c, 0x0a3c}, // Gurmukhi Sign Nukta ..Gurmukhi Sign Nukta
+ {0x0a41, 0x0a42}, // Gurmukhi Vowel Sign U ..Gurmukhi Vowel Sign Uu
+ {0x0a47, 0x0a48}, // Gurmukhi Vowel Sign Ee ..Gurmukhi Vowel Sign Ai
+ {0x0a4b, 0x0a4d}, // Gurmukhi Vowel Sign Oo ..Gurmukhi Sign Virama
+ {0x0a51, 0x0a51}, // Gurmukhi Sign Udaat ..Gurmukhi Sign Udaat
+ {0x0a70, 0x0a71}, // Gurmukhi Tippi ..Gurmukhi Addak
+ {0x0a75, 0x0a75}, // Gurmukhi Sign Yakash ..Gurmukhi Sign Yakash
+ {0x0a81, 0x0a82}, // Gujarati Sign Candrabind..Gujarati Sign Anusvara
+ {0x0abc, 0x0abc}, // Gujarati Sign Nukta ..Gujarati Sign Nukta
+ {0x0ac1, 0x0ac5}, // Gujarati Vowel Sign U ..Gujarati Vowel Sign Cand
+ {0x0ac7, 0x0ac8}, // Gujarati Vowel Sign E ..Gujarati Vowel Sign Ai
+ {0x0acd, 0x0acd}, // Gujarati Sign Virama ..Gujarati Sign Virama
+ {0x0ae2, 0x0ae3}, // Gujarati Vowel Sign Voca..Gujarati Vowel Sign Voca
+ {0x0b01, 0x0b01}, // ||iya Sign Candrabindu ..||iya Sign Candrabindu
+ {0x0b3c, 0x0b3c}, // ||iya Sign Nukta ..||iya Sign Nukta
+ {0x0b3f, 0x0b3f}, // ||iya Vowel Sign I ..||iya Vowel Sign I
+ {0x0b41, 0x0b44}, // ||iya Vowel Sign U ..||iya Vowel Sign Vocalic
+ {0x0b4d, 0x0b4d}, // ||iya Sign Virama ..||iya Sign Virama
+ {0x0b56, 0x0b56}, // ||iya Ai Length Mark ..||iya Ai Length Mark
+ {0x0b62, 0x0b63}, // ||iya Vowel Sign Vocalic..||iya Vowel Sign Vocalic
+ {0x0b82, 0x0b82}, // Tamil Sign Anusvara ..Tamil Sign Anusvara
+ {0x0bc0, 0x0bc0}, // Tamil Vowel Sign Ii ..Tamil Vowel Sign Ii
+ {0x0bcd, 0x0bcd}, // Tamil Sign Virama ..Tamil Sign Virama
+ {0x0c00, 0x0c00}, // Telugu Sign Combining Ca..Telugu Sign Combining Ca
+ {0x0c3e, 0x0c40}, // Telugu Vowel Sign Aa ..Telugu Vowel Sign Ii
+ {0x0c46, 0x0c48}, // Telugu Vowel Sign E ..Telugu Vowel Sign Ai
+ {0x0c4a, 0x0c4d}, // Telugu Vowel Sign O ..Telugu Sign Virama
+ {0x0c55, 0x0c56}, // Telugu Length Mark ..Telugu Ai Length Mark
+ {0x0c62, 0x0c63}, // Telugu Vowel Sign Vocali..Telugu Vowel Sign Vocali
+ {0x0c81, 0x0c81}, // Kannada Sign Candrabindu..Kannada Sign Candrabindu
+ {0x0cbc, 0x0cbc}, // Kannada Sign Nukta ..Kannada Sign Nukta
+ {0x0cbf, 0x0cbf}, // Kannada Vowel Sign I ..Kannada Vowel Sign I
+ {0x0cc6, 0x0cc6}, // Kannada Vowel Sign E ..Kannada Vowel Sign E
+ {0x0ccc, 0x0ccd}, // Kannada Vowel Sign Au ..Kannada Sign Virama
+ {0x0ce2, 0x0ce3}, // Kannada Vowel Sign Vocal..Kannada Vowel Sign Vocal
+ {0x0d01, 0x0d01}, // Malayalam Sign Candrabin..Malayalam Sign Candrabin
+ {0x0d41, 0x0d44}, // Malayalam Vowel Sign U ..Malayalam Vowel Sign Voc
+ {0x0d4d, 0x0d4d}, // Malayalam Sign Virama ..Malayalam Sign Virama
+ {0x0d62, 0x0d63}, // Malayalam Vowel Sign Voc..Malayalam Vowel Sign Voc
+ {0x0dca, 0x0dca}, // Sinhala Sign Al-lakuna ..Sinhala Sign Al-lakuna
+ {0x0dd2, 0x0dd4}, // Sinhala Vowel Sign Ketti..Sinhala Vowel Sign Ketti
+ {0x0dd6, 0x0dd6}, // Sinhala Vowel Sign Diga ..Sinhala Vowel Sign Diga
+ {0x0e31, 0x0e31}, // Thai Character Mai Han-a..Thai Character Mai Han-a
+ {0x0e34, 0x0e3a}, // Thai Character Sara I ..Thai Character Phinthu
+ {0x0e47, 0x0e4e}, // Thai Character Maitaikhu..Thai Character Yamakkan
+ {0x0eb1, 0x0eb1}, // Lao Vowel Sign Mai Kan ..Lao Vowel Sign Mai Kan
+ {0x0eb4, 0x0eb9}, // Lao Vowel Sign I ..Lao Vowel Sign Uu
+ {0x0ebb, 0x0ebc}, // Lao Vowel Sign Mai Kon ..Lao Semivowel Sign Lo
+ {0x0ec8, 0x0ecd}, // Lao Tone Mai Ek ..Lao Niggahita
+ {0x0f18, 0x0f19}, // Tibetan Astrological Sig..Tibetan Astrological Sig
+ {0x0f35, 0x0f35}, // Tibetan Mark Ngas Bzung ..Tibetan Mark Ngas Bzung
+ {0x0f37, 0x0f37}, // Tibetan Mark Ngas Bzung ..Tibetan Mark Ngas Bzung
+ {0x0f39, 0x0f39}, // Tibetan Mark Tsa -phru ..Tibetan Mark Tsa -phru
+ {0x0f71, 0x0f7e}, // Tibetan Vowel Sign Aa ..Tibetan Sign Rjes Su Nga
+ {0x0f80, 0x0f84}, // Tibetan Vowel Sign Rever..Tibetan Mark Halanta
+ {0x0f86, 0x0f87}, // Tibetan Sign Lci Rtags ..Tibetan Sign Yang Rtags
+ {0x0f8d, 0x0f97}, // Tibetan Subjoined Sign L..Tibetan Subjoined Letter
+ {0x0f99, 0x0fbc}, // Tibetan Subjoined Letter..Tibetan Subjoined Letter
+ {0x0fc6, 0x0fc6}, // Tibetan Symbol Padma Gda..Tibetan Symbol Padma Gda
+ {0x102d, 0x1030}, // Myanmar Vowel Sign I ..Myanmar Vowel Sign Uu
+ {0x1032, 0x1037}, // Myanmar Vowel Sign Ai ..Myanmar Sign Dot Below
+ {0x1039, 0x103a}, // Myanmar Sign Virama ..Myanmar Sign Asat
+ {0x103d, 0x103e}, // Myanmar Consonant Sign M..Myanmar Consonant Sign M
+ {0x1058, 0x1059}, // Myanmar Vowel Sign Vocal..Myanmar Vowel Sign Vocal
+ {0x105e, 0x1060}, // Myanmar Consonant Sign M..Myanmar Consonant Sign M
+ {0x1071, 0x1074}, // Myanmar Vowel Sign Geba ..Myanmar Vowel Sign Kayah
+ {0x1082, 0x1082}, // Myanmar Consonant Sign S..Myanmar Consonant Sign S
+ {0x1085, 0x1086}, // Myanmar Vowel Sign Shan ..Myanmar Vowel Sign Shan
+ {0x108d, 0x108d}, // Myanmar Sign Shan Counci..Myanmar Sign Shan Counci
+ {0x109d, 0x109d}, // Myanmar Vowel Sign Aiton..Myanmar Vowel Sign Aiton
+ {0x135d, 0x135f}, // Ethiopic Combining Gemin..Ethiopic Combining Gemin
+ {0x1712, 0x1714}, // Tagalog Vowel Sign I ..Tagalog Sign Virama
+ {0x1732, 0x1734}, // Hanunoo Vowel Sign I ..Hanunoo Sign Pamudpod
+ {0x1752, 0x1753}, // Buhid Vowel Sign I ..Buhid Vowel Sign U
+ {0x1772, 0x1773}, // Tagbanwa Vowel Sign I ..Tagbanwa Vowel Sign U
+ {0x17b4, 0x17b5}, // Khmer Vowel Inherent Aq ..Khmer Vowel Inherent Aa
+ {0x17b7, 0x17bd}, // Khmer Vowel Sign I ..Khmer Vowel Sign Ua
+ {0x17c6, 0x17c6}, // Khmer Sign Nikahit ..Khmer Sign Nikahit
+ {0x17c9, 0x17d3}, // Khmer Sign Muusikatoan ..Khmer Sign Bathamasat
+ {0x17dd, 0x17dd}, // Khmer Sign Atthacan ..Khmer Sign Atthacan
+ {0x180b, 0x180d}, // Mongolian Free Variation..Mongolian Free Variation
+ {0x1885, 0x1886}, // Mongolian Letter Ali Gal..Mongolian Letter Ali Gal
+ {0x18a9, 0x18a9}, // Mongolian Letter Ali Gal..Mongolian Letter Ali Gal
+ {0x1920, 0x1922}, // Limbu Vowel Sign A ..Limbu Vowel Sign U
+ {0x1927, 0x1928}, // Limbu Vowel Sign E ..Limbu Vowel Sign O
+ {0x1932, 0x1932}, // Limbu Small Letter Anusv..Limbu Small Letter Anusv
+ {0x1939, 0x193b}, // Limbu Sign Mukphreng ..Limbu Sign Sa-i
+ {0x1a17, 0x1a18}, // Buginese Vowel Sign I ..Buginese Vowel Sign U
+ {0x1a1b, 0x1a1b}, // Buginese Vowel Sign Ae ..Buginese Vowel Sign Ae
+ {0x1a56, 0x1a56}, // Tai Tham Consonant Sign ..Tai Tham Consonant Sign
+ {0x1a58, 0x1a5e}, // Tai Tham Sign Mai Kang L..Tai Tham Consonant Sign
+ {0x1a60, 0x1a60}, // Tai Tham Sign Sakot ..Tai Tham Sign Sakot
+ {0x1a62, 0x1a62}, // Tai Tham Vowel Sign Mai ..Tai Tham Vowel Sign Mai
+ {0x1a65, 0x1a6c}, // Tai Tham Vowel Sign I ..Tai Tham Vowel Sign Oa B
+ {0x1a73, 0x1a7c}, // Tai Tham Vowel Sign Oa A..Tai Tham Sign Khuen-lue
+ {0x1a7f, 0x1a7f}, // Tai Tham Combining Crypt..Tai Tham Combining Crypt
+ {0x1ab0, 0x1abe}, // Combining Doubled Circum..Combining Parentheses Ov
+ {0x1b00, 0x1b03}, // Balinese Sign Ulu Ricem ..Balinese Sign Surang
+ {0x1b34, 0x1b34}, // Balinese Sign Rerekan ..Balinese Sign Rerekan
+ {0x1b36, 0x1b3a}, // Balinese Vowel Sign Ulu ..Balinese Vowel Sign Ra R
+ {0x1b3c, 0x1b3c}, // Balinese Vowel Sign La L..Balinese Vowel Sign La L
+ {0x1b42, 0x1b42}, // Balinese Vowel Sign Pepe..Balinese Vowel Sign Pepe
+ {0x1b6b, 0x1b73}, // Balinese Musical Symbol ..Balinese Musical Symbol
+ {0x1b80, 0x1b81}, // Sundanese Sign Panyecek ..Sundanese Sign Panglayar
+ {0x1ba2, 0x1ba5}, // Sundanese Consonant Sign..Sundanese Vowel Sign Pan
+ {0x1ba8, 0x1ba9}, // Sundanese Vowel Sign Pam..Sundanese Vowel Sign Pan
+ {0x1bab, 0x1bad}, // Sundanese Sign Virama ..Sundanese Consonant Sign
+ {0x1be6, 0x1be6}, // Batak Sign Tompi ..Batak Sign Tompi
+ {0x1be8, 0x1be9}, // Batak Vowel Sign Pakpak ..Batak Vowel Sign Ee
+ {0x1bed, 0x1bed}, // Batak Vowel Sign Karo O ..Batak Vowel Sign Karo O
+ {0x1bef, 0x1bf1}, // Batak Vowel Sign U F|| S..Batak Consonant Sign H
+ {0x1c2c, 0x1c33}, // Lepcha Vowel Sign E ..Lepcha Consonant Sign T
+ {0x1c36, 0x1c37}, // Lepcha Sign Ran ..Lepcha Sign Nukta
+ {0x1cd0, 0x1cd2}, // Vedic Tone Karshana ..Vedic Tone Prenkha
+ {0x1cd4, 0x1ce0}, // Vedic Sign Yajurvedic Mi..Vedic Tone Rigvedic Kash
+ {0x1ce2, 0x1ce8}, // Vedic Sign Visarga Svari..Vedic Sign Visarga Anuda
+ {0x1ced, 0x1ced}, // Vedic Sign Tiryak ..Vedic Sign Tiryak
+ {0x1cf4, 0x1cf4}, // Vedic Tone Candra Above ..Vedic Tone Candra Above
+ {0x1cf8, 0x1cf9}, // Vedic Tone Ring Above ..Vedic Tone Double Ring A
+ {0x1dc0, 0x1df5}, // Combining Dotted Grave A..Combining Up Tack Above
+ {0x1dfb, 0x1dff}, // (nil) ..Combining Right Arrowhea
+ {0x20d0, 0x20f0}, // Combining Left Harpoon A..Combining Asterisk Above
+ {0x2cef, 0x2cf1}, // Coptic Combining Ni Abov..Coptic Combining Spiritu
+ {0x2d7f, 0x2d7f}, // Tifinagh Consonant Joine..Tifinagh Consonant Joine
+ {0x2de0, 0x2dff}, // Combining Cyrillic Lette..Combining Cyrillic Lette
+ {0x302a, 0x302d}, // Ideographic Level Tone M..Ideographic Entering Ton
+ {0x3099, 0x309a}, // Combining Katakana-hirag..Combining Katakana-hirag
+ {0xa66f, 0xa672}, // Combining Cyrillic Vzmet..Combining Cyrillic Thous
+ {0xa674, 0xa67d}, // Combining Cyrillic Lette..Combining Cyrillic Payer
+ {0xa69e, 0xa69f}, // Combining Cyrillic Lette..Combining Cyrillic Lette
+ {0xa6f0, 0xa6f1}, // Bamum Combining Mark Koq..Bamum Combining Mark Tuk
+ {0xa802, 0xa802}, // Syloti Nagri Sign Dvisva..Syloti Nagri Sign Dvisva
+ {0xa806, 0xa806}, // Syloti Nagri Sign Hasant..Syloti Nagri Sign Hasant
+ {0xa80b, 0xa80b}, // Syloti Nagri Sign Anusva..Syloti Nagri Sign Anusva
+ {0xa825, 0xa826}, // Syloti Nagri Vowel Sign ..Syloti Nagri Vowel Sign
+ {0xa8c4, 0xa8c5}, // Saurashtra Sign Virama ..
+ {0xa8e0, 0xa8f1}, // Combining Devanagari Dig..Combining Devanagari Sig
+ {0xa926, 0xa92d}, // Kayah Li Vowel Ue ..Kayah Li Tone Calya Plop
+ {0xa947, 0xa951}, // Rejang Vowel Sign I ..Rejang Consonant Sign R
+ {0xa980, 0xa982}, // Javanese Sign Panyangga ..Javanese Sign Layar
+ {0xa9b3, 0xa9b3}, // Javanese Sign Cecak Telu..Javanese Sign Cecak Telu
+ {0xa9b6, 0xa9b9}, // Javanese Vowel Sign Wulu..Javanese Vowel Sign Suku
+ {0xa9bc, 0xa9bc}, // Javanese Vowel Sign Pepe..Javanese Vowel Sign Pepe
+ {0xa9e5, 0xa9e5}, // Myanmar Sign Shan Saw ..Myanmar Sign Shan Saw
+ {0xaa29, 0xaa2e}, // Cham Vowel Sign Aa ..Cham Vowel Sign Oe
+ {0xaa31, 0xaa32}, // Cham Vowel Sign Au ..Cham Vowel Sign Ue
+ {0xaa35, 0xaa36}, // Cham Consonant Sign La ..Cham Consonant Sign Wa
+ {0xaa43, 0xaa43}, // Cham Consonant Sign Fina..Cham Consonant Sign Fina
+ {0xaa4c, 0xaa4c}, // Cham Consonant Sign Fina..Cham Consonant Sign Fina
+ {0xaa7c, 0xaa7c}, // Myanmar Sign Tai Laing T..Myanmar Sign Tai Laing T
+ {0xaab0, 0xaab0}, // Tai Viet Mai Kang ..Tai Viet Mai Kang
+ {0xaab2, 0xaab4}, // Tai Viet Vowel I ..Tai Viet Vowel U
+ {0xaab7, 0xaab8}, // Tai Viet Mai Khit ..Tai Viet Vowel Ia
+ {0xaabe, 0xaabf}, // Tai Viet Vowel Am ..Tai Viet Tone Mai Ek
+ {0xaac1, 0xaac1}, // Tai Viet Tone Mai Tho ..Tai Viet Tone Mai Tho
+ {0xaaec, 0xaaed}, // Meetei Mayek Vowel Sign ..Meetei Mayek Vowel Sign
+ {0xaaf6, 0xaaf6}, // Meetei Mayek Virama ..Meetei Mayek Virama
+ {0xabe5, 0xabe5}, // Meetei Mayek Vowel Sign ..Meetei Mayek Vowel Sign
+ {0xabe8, 0xabe8}, // Meetei Mayek Vowel Sign ..Meetei Mayek Vowel Sign
+ {0xabed, 0xabed}, // Meetei Mayek Apun Iyek ..Meetei Mayek Apun Iyek
+ {0xfb1e, 0xfb1e}, // Hebrew Point Judeo-spani..Hebrew Point Judeo-spani
+ {0xfe00, 0xfe0f}, // Variation Select||-1 ..Variation Select||-16
+ {0xfe20, 0xfe2f}, // Combining Ligature Left ..Combining Cyrillic Titlo
+ {0x101fd, 0x101fd}, // Phaistos Disc Sign Combi..Phaistos Disc Sign Combi
+ {0x102e0, 0x102e0}, // Coptic Epact Thousands M..Coptic Epact Thousands M
+ {0x10376, 0x1037a}, // Combining Old Permic Let..Combining Old Permic Let
+ {0x10a01, 0x10a03}, // Kharoshthi Vowel Sign I ..Kharoshthi Vowel Sign Vo
+ {0x10a05, 0x10a06}, // Kharoshthi Vowel Sign E ..Kharoshthi Vowel Sign O
+ {0x10a0c, 0x10a0f}, // Kharoshthi Vowel Length ..Kharoshthi Sign Visarga
+ {0x10a38, 0x10a3a}, // Kharoshthi Sign Bar Abov..Kharoshthi Sign Dot Belo
+ {0x10a3f, 0x10a3f}, // Kharoshthi Virama ..Kharoshthi Virama
+ {0x10ae5, 0x10ae6}, // Manichaean Abbreviation ..Manichaean Abbreviation
+ {0x11001, 0x11001}, // Brahmi Sign Anusvara ..Brahmi Sign Anusvara
+ {0x11038, 0x11046}, // Brahmi Vowel Sign Aa ..Brahmi Virama
+ {0x1107f, 0x11081}, // Brahmi Number Joiner ..Kaithi Sign Anusvara
+ {0x110b3, 0x110b6}, // Kaithi Vowel Sign U ..Kaithi Vowel Sign Ai
+ {0x110b9, 0x110ba}, // Kaithi Sign Virama ..Kaithi Sign Nukta
+ {0x11100, 0x11102}, // Chakma Sign Candrabindu ..Chakma Sign Visarga
+ {0x11127, 0x1112b}, // Chakma Vowel Sign A ..Chakma Vowel Sign Uu
+ {0x1112d, 0x11134}, // Chakma Vowel Sign Ai ..Chakma Maayyaa
+ {0x11173, 0x11173}, // Mahajani Sign Nukta ..Mahajani Sign Nukta
+ {0x11180, 0x11181}, // Sharada Sign Candrabindu..Sharada Sign Anusvara
+ {0x111b6, 0x111be}, // Sharada Vowel Sign U ..Sharada Vowel Sign O
+ {0x111ca, 0x111cc}, // Sharada Sign Nukta ..Sharada Extra Sh||t Vowe
+ {0x1122f, 0x11231}, // Khojki Vowel Sign U ..Khojki Vowel Sign Ai
+ {0x11234, 0x11234}, // Khojki Sign Anusvara ..Khojki Sign Anusvara
+ {0x11236, 0x11237}, // Khojki Sign Nukta ..Khojki Sign Shadda
+ {0x1123e, 0x1123e}, // (nil) ..
+ {0x112df, 0x112df}, // Khudawadi Sign Anusvara ..Khudawadi Sign Anusvara
+ {0x112e3, 0x112ea}, // Khudawadi Vowel Sign U ..Khudawadi Sign Virama
+ {0x11300, 0x11301}, // Grantha Sign Combining A..Grantha Sign Candrabindu
+ {0x1133c, 0x1133c}, // Grantha Sign Nukta ..Grantha Sign Nukta
+ {0x11340, 0x11340}, // Grantha Vowel Sign Ii ..Grantha Vowel Sign Ii
+ {0x11366, 0x1136c}, // Combining Grantha Digit ..Combining Grantha Digit
+ {0x11370, 0x11374}, // Combining Grantha Letter..Combining Grantha Letter
+ {0x11438, 0x1143f}, // (nil) ..
+ {0x11442, 0x11444}, // (nil) ..
+ {0x11446, 0x11446}, // (nil) ..
+ {0x114b3, 0x114b8}, // Tirhuta Vowel Sign U ..Tirhuta Vowel Sign Vocal
+ {0x114ba, 0x114ba}, // Tirhuta Vowel Sign Sh||t..Tirhuta Vowel Sign Sh||t
+ {0x114bf, 0x114c0}, // Tirhuta Sign Candrabindu..Tirhuta Sign Anusvara
+ {0x114c2, 0x114c3}, // Tirhuta Sign Virama ..Tirhuta Sign Nukta
+ {0x115b2, 0x115b5}, // Siddham Vowel Sign U ..Siddham Vowel Sign Vocal
+ {0x115bc, 0x115bd}, // Siddham Sign Candrabindu..Siddham Sign Anusvara
+ {0x115bf, 0x115c0}, // Siddham Sign Virama ..Siddham Sign Nukta
+ {0x115dc, 0x115dd}, // Siddham Vowel Sign Alter..Siddham Vowel Sign Alter
+ {0x11633, 0x1163a}, // Modi Vowel Sign U ..Modi Vowel Sign Ai
+ {0x1163d, 0x1163d}, // Modi Sign Anusvara ..Modi Sign Anusvara
+ {0x1163f, 0x11640}, // Modi Sign Virama ..Modi Sign Ardhacandra
+ {0x116ab, 0x116ab}, // Takri Sign Anusvara ..Takri Sign Anusvara
+ {0x116ad, 0x116ad}, // Takri Vowel Sign Aa ..Takri Vowel Sign Aa
+ {0x116b0, 0x116b5}, // Takri Vowel Sign U ..Takri Vowel Sign Au
+ {0x116b7, 0x116b7}, // Takri Sign Nukta ..Takri Sign Nukta
+ {0x1171d, 0x1171f}, // Ahom Consonant Sign Medi..Ahom Consonant Sign Medi
+ {0x11722, 0x11725}, // Ahom Vowel Sign I ..Ahom Vowel Sign Uu
+ {0x11727, 0x1172b}, // Ahom Vowel Sign Aw ..Ahom Sign Killer
+ {0x11c30, 0x11c36}, // (nil) ..
+ {0x11c38, 0x11c3d}, // (nil) ..
+ {0x11c3f, 0x11c3f}, // (nil) ..
+ {0x11c92, 0x11ca7}, // (nil) ..
+ {0x11caa, 0x11cb0}, // (nil) ..
+ {0x11cb2, 0x11cb3}, // (nil) ..
+ {0x11cb5, 0x11cb6}, // (nil) ..
+ {0x16af0, 0x16af4}, // Bassa Vah Combining High..Bassa Vah Combining High
+ {0x16b30, 0x16b36}, // Pahawh Hmong Mark Cim Tu..Pahawh Hmong Mark Cim Ta
+ {0x16f8f, 0x16f92}, // Miao Tone Right ..Miao Tone Below
+ {0x1bc9d, 0x1bc9e}, // Duployan Thick Letter Se..Duployan Double Mark
+ {0x1d167, 0x1d169}, // Musical Symbol Combining..Musical Symbol Combining
+ {0x1d17b, 0x1d182}, // Musical Symbol Combining..Musical Symbol Combining
+ {0x1d185, 0x1d18b}, // Musical Symbol Combining..Musical Symbol Combining
+ {0x1d1aa, 0x1d1ad}, // Musical Symbol Combining..Musical Symbol Combining
+ {0x1d242, 0x1d244}, // Combining Greek Musical ..Combining Greek Musical
+ {0x1da00, 0x1da36}, // Signwriting Head Rim ..Signwriting Air Sucking
+ {0x1da3b, 0x1da6c}, // Signwriting Mouth Closed..Signwriting Excitement
+ {0x1da75, 0x1da75}, // Signwriting Upper Body T..Signwriting Upper Body T
+ {0x1da84, 0x1da84}, // Signwriting Location Hea..Signwriting Location Hea
+ {0x1da9b, 0x1da9f}, // Signwriting Fill Modifie..Signwriting Fill Modifie
+ {0x1daa1, 0x1daaf}, // Signwriting Rotation Mod..Signwriting Rotation Mod
+ {0x1e000, 0x1e006}, // (nil) ..
+ {0x1e008, 0x1e018}, // (nil) ..
+ {0x1e01b, 0x1e021}, // (nil) ..
+ {0x1e023, 0x1e024}, // (nil) ..
+ {0x1e026, 0x1e02a}, // (nil) ..
+ {0x1e8d0, 0x1e8d6}, // Mende Kikakui Combining ..Mende Kikakui Combining
+ {0x1e944, 0x1e94a}, // (nil) ..
+ {0xe0100, 0xe01ef}, // Variation Select||-17 ..Variation Select||-256
+};
+
+// https://github.com/jquast/wcwidth/blob/master/wcwidth/table_wide.py
+// at commit 0d7de112202cc8b2ebe9232ff4a5c954f19d561a (2016-07-02):
+static struct width_interval WIDE_EASTASIAN[] = {
+ {0x1100, 0x115f}, // Hangul Choseong Kiyeok ..Hangul Choseong Filler
+ {0x231a, 0x231b}, // Watch ..Hourglass
+ {0x2329, 0x232a}, // Left-pointing Angle Brac..Right-pointing Angle Bra
+ {0x23e9, 0x23ec}, // Black Right-pointing Dou..Black Down-pointing Doub
+ {0x23f0, 0x23f0}, // Alarm Clock ..Alarm Clock
+ {0x23f3, 0x23f3}, // Hourglass With Flowing S..Hourglass With Flowing S
+ {0x25fd, 0x25fe}, // White Medium Small Squar..Black Medium Small Squar
+ {0x2614, 0x2615}, // Umbrella With Rain Drops..Hot Beverage
+ {0x2648, 0x2653}, // Aries ..Pisces
+ {0x267f, 0x267f}, // Wheelchair Symbol ..Wheelchair Symbol
+ {0x2693, 0x2693}, // Anch|| ..Anch||
+ {0x26a1, 0x26a1}, // High Voltage Sign ..High Voltage Sign
+ {0x26aa, 0x26ab}, // Medium White Circle ..Medium Black Circle
+ {0x26bd, 0x26be}, // Soccer Ball ..Baseball
+ {0x26c4, 0x26c5}, // Snowman Without Snow ..Sun Behind Cloud
+ {0x26ce, 0x26ce}, // Ophiuchus ..Ophiuchus
+ {0x26d4, 0x26d4}, // No Entry ..No Entry
+ {0x26ea, 0x26ea}, // Church ..Church
+ {0x26f2, 0x26f3}, // Fountain ..Flag In Hole
+ {0x26f5, 0x26f5}, // Sailboat ..Sailboat
+ {0x26fa, 0x26fa}, // Tent ..Tent
+ {0x26fd, 0x26fd}, // Fuel Pump ..Fuel Pump
+ {0x2705, 0x2705}, // White Heavy Check Mark ..White Heavy Check Mark
+ {0x270a, 0x270b}, // Raised Fist ..Raised Hand
+ {0x2728, 0x2728}, // Sparkles ..Sparkles
+ {0x274c, 0x274c}, // Cross Mark ..Cross Mark
+ {0x274e, 0x274e}, // Negative Squared Cross M..Negative Squared Cross M
+ {0x2753, 0x2755}, // Black Question Mark ||na..White Exclamation Mark O
+ {0x2757, 0x2757}, // Heavy Exclamation Mark S..Heavy Exclamation Mark S
+ {0x2795, 0x2797}, // Heavy Plus Sign ..Heavy Division Sign
+ {0x27b0, 0x27b0}, // Curly Loop ..Curly Loop
+ {0x27bf, 0x27bf}, // Double Curly Loop ..Double Curly Loop
+ {0x2b1b, 0x2b1c}, // Black Large Square ..White Large Square
+ {0x2b50, 0x2b50}, // White Medium Star ..White Medium Star
+ {0x2b55, 0x2b55}, // Heavy Large Circle ..Heavy Large Circle
+ {0x2e80, 0x2e99}, // Cjk Radical Repeat ..Cjk Radical Rap
+ {0x2e9b, 0x2ef3}, // Cjk Radical Choke ..Cjk Radical C-simplified
+ {0x2f00, 0x2fd5}, // Kangxi Radical One ..Kangxi Radical Flute
+ {0x2ff0, 0x2ffb}, // Ideographic Description ..Ideographic Description
+ {0x3000, 0x303e}, // Ideographic Space ..Ideographic Variation In
+ {0x3041, 0x3096}, // Hiragana Letter Small A ..Hiragana Letter Small Ke
+ {0x3099, 0x30ff}, // Combining Katakana-hirag..Katakana Digraph Koto
+ {0x3105, 0x312d}, // Bopomofo Letter B ..Bopomofo Letter Ih
+ {0x3131, 0x318e}, // Hangul Letter Kiyeok ..Hangul Letter Araeae
+ {0x3190, 0x31ba}, // Ideographic Annotation L..Bopomofo Letter Zy
+ {0x31c0, 0x31e3}, // Cjk Stroke T ..Cjk Stroke Q
+ {0x31f0, 0x321e}, // Katakana Letter Small Ku..Parenthesized K||ean Cha
+ {0x3220, 0x3247}, // Parenthesized Ideograph ..Circled Ideograph Koto
+ {0x3250, 0x32fe}, // Partnership Sign ..Circled Katakana Wo
+ {0x3300, 0x4dbf}, // Square Apaato ..
+ {0x4e00, 0xa48c}, // Cjk Unified Ideograph-4e..Yi Syllable Yyr
+ {0xa490, 0xa4c6}, // Yi Radical Qot ..Yi Radical Ke
+ {0xa960, 0xa97c}, // Hangul Choseong Tikeut-m..Hangul Choseong Ssangyeo
+ {0xac00, 0xd7a3}, // Hangul Syllable Ga ..Hangul Syllable Hih
+ {0xf900, 0xfaff}, // Cjk Compatibility Ideogr..
+ {0xfe10, 0xfe19}, // Presentation F||m F|| Ve..Presentation F||m F|| Ve
+ {0xfe30, 0xfe52}, // Presentation F||m F|| Ve..Small Full Stop
+ {0xfe54, 0xfe66}, // Small Semicolon ..Small Equals Sign
+ {0xfe68, 0xfe6b}, // Small Reverse Solidus ..Small Commercial At
+ {0xff01, 0xff60}, // Fullwidth Exclamation Ma..Fullwidth Right White Pa
+ {0xffe0, 0xffe6}, // Fullwidth Cent Sign ..Fullwidth Won Sign
+ {0x16fe0, 0x16fe0}, // (nil) ..
+ {0x17000, 0x187ec}, // (nil) ..
+ {0x18800, 0x18af2}, // (nil) ..
+ {0x1b000, 0x1b001}, // Katakana Letter Archaic ..Hiragana Letter Archaic
+ {0x1f004, 0x1f004}, // Mahjong Tile Red Dragon ..Mahjong Tile Red Dragon
+ {0x1f0cf, 0x1f0cf}, // Playing Card Black Joker..Playing Card Black Joker
+ {0x1f18e, 0x1f18e}, // Negative Squared Ab ..Negative Squared Ab
+ {0x1f191, 0x1f19a}, // Squared Cl ..Squared Vs
+ {0x1f200, 0x1f202}, // Square Hiragana Hoka ..Squared Katakana Sa
+ {0x1f210, 0x1f23b}, // Squared Cjk Unified Ideo..
+ {0x1f240, 0x1f248}, // T||toise Shell Bracketed..T||toise Shell Bracketed
+ {0x1f250, 0x1f251}, // Circled Ideograph Advant..Circled Ideograph Accept
+ {0x1f300, 0x1f320}, // Cyclone ..Shooting Star
+ {0x1f32d, 0x1f335}, // Hot Dog ..Cactus
+ {0x1f337, 0x1f37c}, // Tulip ..Baby Bottle
+ {0x1f37e, 0x1f393}, // Bottle With Popping C||k..Graduation Cap
+ {0x1f3a0, 0x1f3ca}, // Carousel H||se ..Swimmer
+ {0x1f3cf, 0x1f3d3}, // Cricket Bat And Ball ..Table Tennis Paddle And
+ {0x1f3e0, 0x1f3f0}, // House Building ..European Castle
+ {0x1f3f4, 0x1f3f4}, // Waving Black Flag ..Waving Black Flag
+ {0x1f3f8, 0x1f43e}, // Badminton Racquet And Sh..Paw Prints
+ {0x1f440, 0x1f440}, // Eyes ..Eyes
+ {0x1f442, 0x1f4fc}, // Ear ..Videocassette
+ {0x1f4ff, 0x1f53d}, // Prayer Beads ..Down-pointing Small Red
+ {0x1f54b, 0x1f54e}, // Kaaba ..Men||ah With Nine Branch
+ {0x1f550, 0x1f567}, // Clock Face One Oclock ..Clock Face Twelve-thirty
+ {0x1f57a, 0x1f57a}, // (nil) ..
+ {0x1f595, 0x1f596}, // Reversed Hand With Middl..Raised Hand With Part Be
+ {0x1f5a4, 0x1f5a4}, // (nil) ..
+ {0x1f5fb, 0x1f64f}, // Mount Fuji ..Person With Folded Hands
+ {0x1f680, 0x1f6c5}, // Rocket ..Left Luggage
+ {0x1f6cc, 0x1f6cc}, // Sleeping Accommodation ..Sleeping Accommodation
+ {0x1f6d0, 0x1f6d2}, // Place Of W||ship ..
+ {0x1f6eb, 0x1f6ec}, // Airplane Departure ..Airplane Arriving
+ {0x1f6f4, 0x1f6f6}, // (nil) ..
+ {0x1f910, 0x1f91e}, // Zipper-mouth Face ..
+ {0x1f920, 0x1f927}, // (nil) ..
+ {0x1f930, 0x1f930}, // (nil) ..
+ {0x1f933, 0x1f93e}, // (nil) ..
+ {0x1f940, 0x1f94b}, // (nil) ..
+ {0x1f950, 0x1f95e}, // (nil) ..
+ {0x1f980, 0x1f991}, // Crab ..
+ {0x1f9c0, 0x1f9c0}, // Cheese Wedge ..Cheese Wedge
+ {0x20000, 0x2fffd}, // Cjk Unified Ideograph-20..
+ {0x30000, 0x3fffd}, // (nil) ..
+};
+
+static bool intable(struct width_interval* table, int table_length, int c) {
+ // First quick check f|| Latin1 etc. characters.
+ if (c < table[0].start) return false;
+
+ // Binary search in table.
+ int bot = 0;
+ int top = table_length - 1;
+ while (top >= bot) {
+ int mid = (bot + top) / 2;
+ if (table[mid].end < c) {
+ bot = mid + 1;
+ } else if (table[mid].start > c) {
+ top = mid - 1;
+ } else {
+ return true;
+ }
+ }
+ return false;
+}
+
+int wcwidth(wchar_t ucs) {
+ if (ucs == 0 ||
+ ucs == 0x034F ||
+ (0x200B <= ucs && ucs <= 0x200F) ||
+ ucs == 0x2028 ||
+ ucs == 0x2029 ||
+ (0x202A <= ucs && ucs <= 0x202E) ||
+ (0x2060 <= ucs && ucs <= 0x2063)) {
+ return 0;
+ }
+
+ // C0/C1 control characters
+ if (ucs < 32 || (0x07F <= ucs && ucs < 0x0A0)) return -1;
+
+ // combining characters with zero width
+ if (intable(ZERO_WIDTH, sizeof(ZERO_WIDTH)/sizeof(struct width_interval), ucs)) return 0;
+
+ return intable(WIDE_EASTASIAN, sizeof(WIDE_EASTASIAN)/sizeof(struct width_interval), ucs) ? 2 : 1;
+}
~mdw / termux-packages / commitdiff