iwcwidth.c - iomenu - interactive terminal-based selection menu Err bitreich.org 70 hgit clone git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu URL:git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu bitreich.org 70 1Log /scm/iomenu/log.gph bitreich.org 70 1Files /scm/iomenu/files.gph bitreich.org 70 1Refs /scm/iomenu/refs.gph bitreich.org 70 1Tags /scm/iomenu/tag bitreich.org 70 1README /scm/iomenu/file/README.gph bitreich.org 70 1LICENSE /scm/iomenu/file/LICENSE.gph bitreich.org 70 i--- Err bitreich.org 70 iwcwidth.c (13586B) Err bitreich.org 70 i--- Err bitreich.org 70 i 1 /* Err bitreich.org 70 i 2 * This is an implementation of wcwidth() and wcswidth() (defined in Err bitreich.org 70 i 3 * IEEE Std 1002.1-2001) for Unicode. Err bitreich.org 70 i 4 * Err bitreich.org 70 i 5 * http://www.opengroup.org/onlinepubs/007904975/functions/wcwidth.html Err bitreich.org 70 i 6 * http://www.opengroup.org/onlinepubs/007904975/functions/wcswidth.html Err bitreich.org 70 i 7 * Err bitreich.org 70 i 8 * In fixed-width output devices, Latin characters all occupy a single Err bitreich.org 70 i 9 * "cell" position of equal width, whereas ideographic CJK characters Err bitreich.org 70 i 10 * occupy two such cells. Interoperability between terminal-line Err bitreich.org 70 i 11 * applications and (teletype-style) character terminals using the Err bitreich.org 70 i 12 * UTF-8 encoding requires agreement on which character should advance Err bitreich.org 70 i 13 * the cursor by how many cell positions. No established formal Err bitreich.org 70 i 14 * standards exist at present on which Unicode character shall occupy Err bitreich.org 70 i 15 * how many cell positions on character terminals. These routines are Err bitreich.org 70 i 16 * a first attempt of defining such behavior based on simple rules Err bitreich.org 70 i 17 * applied to data provided by the Unicode Consortium. Err bitreich.org 70 i 18 * Err bitreich.org 70 i 19 * For some graphical characters, the Unicode standard explicitly Err bitreich.org 70 i 20 * defines a character-cell width via the definition of the East Asian Err bitreich.org 70 i 21 * FullWidth (F), Wide (W), Half-width (H), and Narrow (Na) classes. Err bitreich.org 70 i 22 * In all these cases, there is no ambiguity about which width a Err bitreich.org 70 i 23 * terminal shall use. For characters in the East Asian Ambiguous (A) Err bitreich.org 70 i 24 * class, the width choice depends purely on a preference of backward Err bitreich.org 70 i 25 * compatibility with either historic CJK or Western practice. Err bitreich.org 70 i 26 * Choosing single-width for these characters is easy to justify as Err bitreich.org 70 i 27 * the appropriate long-term solution, as the CJK practice of Err bitreich.org 70 i 28 * displaying these characters as double-width comes from historic Err bitreich.org 70 i 29 * implementation simplicity (8-bit encoded characters were displayed Err bitreich.org 70 i 30 * single-width and 16-bit ones double-width, even for Greek, Err bitreich.org 70 i 31 * Cyrillic, etc.) and not any typographic considerations. Err bitreich.org 70 i 32 * Err bitreich.org 70 i 33 * Much less clear is the choice of width for the Not East Asian Err bitreich.org 70 i 34 * (Neutral) class. Existing practice does not dictate a width for any Err bitreich.org 70 i 35 * of these characters. It would nevertheless make sense Err bitreich.org 70 i 36 * typographically to allocate two character cells to characters such Err bitreich.org 70 i 37 * as for instance EM SPACE or VOLUME INTEGRAL, which cannot be Err bitreich.org 70 i 38 * represented adequately with a single-width glyph. The following Err bitreich.org 70 i 39 * routines at present merely assign a single-cell width to all Err bitreich.org 70 i 40 * neutral characters, in the interest of simplicity. This is not Err bitreich.org 70 i 41 * entirely satisfactory and should be reconsidered before Err bitreich.org 70 i 42 * establishing a formal standard in this area. At the moment, the Err bitreich.org 70 i 43 * decision which Not East Asian (Neutral) characters should be Err bitreich.org 70 i 44 * represented by double-width glyphs cannot yet be answered by Err bitreich.org 70 i 45 * applying a simple rule from the Unicode database content. Setting Err bitreich.org 70 i 46 * up a proper standard for the behavior of UTF-8 character terminals Err bitreich.org 70 i 47 * will require a careful analysis not only of each Unicode character, Err bitreich.org 70 i 48 * but also of each presentation form, something the author of these Err bitreich.org 70 i 49 * routines has avoided to do so far. Err bitreich.org 70 i 50 * Err bitreich.org 70 i 51 * http://www.unicode.org/unicode/reports/tr11/ Err bitreich.org 70 i 52 * Err bitreich.org 70 i 53 * Markus Kuhn -- 2007-05-26 (Unicode 5.0) Err bitreich.org 70 i 54 * Err bitreich.org 70 i 55 * Permission to use, copy, modify, and distribute this software Err bitreich.org 70 i 56 * for any purpose and without fee is hereby granted. The author Err bitreich.org 70 i 57 * disclaims all warranties with regard to this software. Err bitreich.org 70 i 58 * Err bitreich.org 70 i 59 * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c Err bitreich.org 70 i 60 */ Err bitreich.org 70 i 61 Err bitreich.org 70 i 62 #include Err bitreich.org 70 i 63 Err bitreich.org 70 i 64 struct interval { Err bitreich.org 70 i 65 int first; Err bitreich.org 70 i 66 int last; Err bitreich.org 70 i 67 }; Err bitreich.org 70 i 68 Err bitreich.org 70 i 69 /* auxiliary function for binary search in interval table */ Err bitreich.org 70 i 70 static int Err bitreich.org 70 i 71 bisearch(wchar_t ucs, const struct interval *table, int max) Err bitreich.org 70 i 72 { Err bitreich.org 70 i 73 int min = 0; Err bitreich.org 70 i 74 int mid; Err bitreich.org 70 i 75 Err bitreich.org 70 i 76 if (ucs < table[0].first || ucs > table[max].last) Err bitreich.org 70 i 77 return 0; Err bitreich.org 70 i 78 while (max >= min) { Err bitreich.org 70 i 79 mid = (min + max) / 2; Err bitreich.org 70 i 80 if (ucs > table[mid].last) Err bitreich.org 70 i 81 min = mid + 1; Err bitreich.org 70 i 82 else if (ucs < table[mid].first) Err bitreich.org 70 i 83 max = mid - 1; Err bitreich.org 70 i 84 else Err bitreich.org 70 i 85 return 1; Err bitreich.org 70 i 86 } Err bitreich.org 70 i 87 Err bitreich.org 70 i 88 return 0; Err bitreich.org 70 i 89 } Err bitreich.org 70 i 90 Err bitreich.org 70 i 91 Err bitreich.org 70 i 92 /* The following two functions define the column width of an ISO 10646 Err bitreich.org 70 i 93 * character as follows: Err bitreich.org 70 i 94 * Err bitreich.org 70 i 95 * - The null character (U+0000) has a column width of 0. Err bitreich.org 70 i 96 * Err bitreich.org 70 i 97 * - Other C0/C1 control characters and DEL will lead to a return Err bitreich.org 70 i 98 * value of -1. Err bitreich.org 70 i 99 * Err bitreich.org 70 i 100 * - Non-spacing and enclosing combining characters (general Err bitreich.org 70 i 101 * category code Mn or Me in the Unicode database) have a Err bitreich.org 70 i 102 * column width of 0. Err bitreich.org 70 i 103 * Err bitreich.org 70 i 104 * - SOFT HYPHEN (U+00AD) has a column width of 1. Err bitreich.org 70 i 105 * Err bitreich.org 70 i 106 * - Other format characters (general category code Cf in the Unicode Err bitreich.org 70 i 107 * database) and ZERO WIDTH SPACE (U+200B) have a column width of 0. Err bitreich.org 70 i 108 * Err bitreich.org 70 i 109 * - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) Err bitreich.org 70 i 110 * have a column width of 0. Err bitreich.org 70 i 111 * Err bitreich.org 70 i 112 * - Spacing characters in the East Asian Wide (W) or East Asian Err bitreich.org 70 i 113 * Full-width (F) category as defined in Unicode Technical Err bitreich.org 70 i 114 * Report #11 have a column width of 2. Err bitreich.org 70 i 115 * Err bitreich.org 70 i 116 * - All remaining characters (including all printable Err bitreich.org 70 i 117 * ISO 8859-1 and WGL4 characters, Unicode control characters, Err bitreich.org 70 i 118 * etc.) have a column width of 1. Err bitreich.org 70 i 119 * Err bitreich.org 70 i 120 * This implementation assumes that wchar_t characters are encoded Err bitreich.org 70 i 121 * in ISO 10646. Err bitreich.org 70 i 122 */ Err bitreich.org 70 i 123 Err bitreich.org 70 i 124 int Err bitreich.org 70 i 125 mk_wcwidth(wchar_t ucs) Err bitreich.org 70 i 126 { Err bitreich.org 70 i 127 /* sorted list of non-overlapping intervals of non-spacing characters */ Err bitreich.org 70 i 128 /* generated by "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c" */ Err bitreich.org 70 i 129 static const struct interval combining[] = { Err bitreich.org 70 i 130 { 0x0300, 0x036F }, { 0x0483, 0x0486 }, { 0x0488, 0x0489 }, Err bitreich.org 70 i 131 { 0x0591, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 }, Err bitreich.org 70 i 132 { 0x05C4, 0x05C5 }, { 0x05C7, 0x05C7 }, { 0x0600, 0x0603 }, Err bitreich.org 70 i 133 { 0x0610, 0x0615 }, { 0x064B, 0x065E }, { 0x0670, 0x0670 }, Err bitreich.org 70 i 134 { 0x06D6, 0x06E4 }, { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED }, Err bitreich.org 70 i 135 { 0x070F, 0x070F }, { 0x0711, 0x0711 }, { 0x0730, 0x074A }, Err bitreich.org 70 i 136 { 0x07A6, 0x07B0 }, { 0x07EB, 0x07F3 }, { 0x0901, 0x0902 }, Err bitreich.org 70 i 137 { 0x093C, 0x093C }, { 0x0941, 0x0948 }, { 0x094D, 0x094D }, Err bitreich.org 70 i 138 { 0x0951, 0x0954 }, { 0x0962, 0x0963 }, { 0x0981, 0x0981 }, Err bitreich.org 70 i 139 { 0x09BC, 0x09BC }, { 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD }, Err bitreich.org 70 i 140 { 0x09E2, 0x09E3 }, { 0x0A01, 0x0A02 }, { 0x0A3C, 0x0A3C }, Err bitreich.org 70 i 141 { 0x0A41, 0x0A42 }, { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, Err bitreich.org 70 i 142 { 0x0A70, 0x0A71 }, { 0x0A81, 0x0A82 }, { 0x0ABC, 0x0ABC }, Err bitreich.org 70 i 143 { 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 }, { 0x0ACD, 0x0ACD }, Err bitreich.org 70 i 144 { 0x0AE2, 0x0AE3 }, { 0x0B01, 0x0B01 }, { 0x0B3C, 0x0B3C }, Err bitreich.org 70 i 145 { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 }, { 0x0B4D, 0x0B4D }, Err bitreich.org 70 i 146 { 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 }, { 0x0BC0, 0x0BC0 }, Err bitreich.org 70 i 147 { 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 }, { 0x0C46, 0x0C48 }, Err bitreich.org 70 i 148 { 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 }, { 0x0CBC, 0x0CBC }, Err bitreich.org 70 i 149 { 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD }, Err bitreich.org 70 i 150 { 0x0CE2, 0x0CE3 }, { 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D }, Err bitreich.org 70 i 151 { 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 }, Err bitreich.org 70 i 152 { 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E }, Err bitreich.org 70 i 153 { 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC }, Err bitreich.org 70 i 154 { 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 }, Err bitreich.org 70 i 155 { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E }, Err bitreich.org 70 i 156 { 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 }, Err bitreich.org 70 i 157 { 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 }, Err bitreich.org 70 i 158 { 0x1032, 0x1032 }, { 0x1036, 0x1037 }, { 0x1039, 0x1039 }, Err bitreich.org 70 i 159 { 0x1058, 0x1059 }, { 0x1160, 0x11FF }, { 0x135F, 0x135F }, Err bitreich.org 70 i 160 { 0x1712, 0x1714 }, { 0x1732, 0x1734 }, { 0x1752, 0x1753 }, Err bitreich.org 70 i 161 { 0x1772, 0x1773 }, { 0x17B4, 0x17B5 }, { 0x17B7, 0x17BD }, Err bitreich.org 70 i 162 { 0x17C6, 0x17C6 }, { 0x17C9, 0x17D3 }, { 0x17DD, 0x17DD }, Err bitreich.org 70 i 163 { 0x180B, 0x180D }, { 0x18A9, 0x18A9 }, { 0x1920, 0x1922 }, Err bitreich.org 70 i 164 { 0x1927, 0x1928 }, { 0x1932, 0x1932 }, { 0x1939, 0x193B }, Err bitreich.org 70 i 165 { 0x1A17, 0x1A18 }, { 0x1B00, 0x1B03 }, { 0x1B34, 0x1B34 }, Err bitreich.org 70 i 166 { 0x1B36, 0x1B3A }, { 0x1B3C, 0x1B3C }, { 0x1B42, 0x1B42 }, Err bitreich.org 70 i 167 { 0x1B6B, 0x1B73 }, { 0x1DC0, 0x1DCA }, { 0x1DFE, 0x1DFF }, Err bitreich.org 70 i 168 { 0x200B, 0x200F }, { 0x202A, 0x202E }, { 0x2060, 0x2063 }, Err bitreich.org 70 i 169 { 0x206A, 0x206F }, { 0x20D0, 0x20EF }, { 0x302A, 0x302F }, Err bitreich.org 70 i 170 { 0x3099, 0x309A }, { 0xA806, 0xA806 }, { 0xA80B, 0xA80B }, Err bitreich.org 70 i 171 { 0xA825, 0xA826 }, { 0xFB1E, 0xFB1E }, { 0xFE00, 0xFE0F }, Err bitreich.org 70 i 172 { 0xFE20, 0xFE23 }, { 0xFEFF, 0xFEFF }, { 0xFFF9, 0xFFFB }, Err bitreich.org 70 i 173 { 0x10A01, 0x10A03 }, { 0x10A05, 0x10A06 }, { 0x10A0C, 0x10A0F }, Err bitreich.org 70 i 174 { 0x10A38, 0x10A3A }, { 0x10A3F, 0x10A3F }, { 0x1D167, 0x1D169 }, Err bitreich.org 70 i 175 { 0x1D173, 0x1D182 }, { 0x1D185, 0x1D18B }, { 0x1D1AA, 0x1D1AD }, Err bitreich.org 70 i 176 { 0x1D242, 0x1D244 }, { 0xE0001, 0xE0001 }, { 0xE0020, 0xE007F }, Err bitreich.org 70 i 177 { 0xE0100, 0xE01EF } Err bitreich.org 70 i 178 }; Err bitreich.org 70 i 179 Err bitreich.org 70 i 180 /* test for 8-bit control characters */ Err bitreich.org 70 i 181 if (ucs == 0) Err bitreich.org 70 i 182 return 0; Err bitreich.org 70 i 183 if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) Err bitreich.org 70 i 184 return -1; Err bitreich.org 70 i 185 Err bitreich.org 70 i 186 /* binary search in table of non-spacing characters */ Err bitreich.org 70 i 187 if (bisearch(ucs, combining, Err bitreich.org 70 i 188 sizeof(combining) / sizeof(struct interval) - 1)) Err bitreich.org 70 i 189 return 0; Err bitreich.org 70 i 190 Err bitreich.org 70 i 191 /* if we arrive here, ucs is not a combining or C0/C1 control character */ Err bitreich.org 70 i 192 Err bitreich.org 70 i 193 return 1 + Err bitreich.org 70 i 194 (ucs >= 0x1100 && Err bitreich.org 70 i 195 (ucs <= 0x115f || /* Hangul Jamo init. consonants */ Err bitreich.org 70 i 196 ucs == 0x2329 || ucs == 0x232a || Err bitreich.org 70 i 197 (ucs >= 0x2e80 && ucs <= 0xa4cf && Err bitreich.org 70 i 198 ucs != 0x303f) || /* CJK ... Yi */ Err bitreich.org 70 i 199 (ucs >= 0xac00 && ucs <= 0xd7a3) || /* Hangul Syllables */ Err bitreich.org 70 i 200 (ucs >= 0xf900 && ucs <= 0xfaff) || /* CJK Compatibility Ideographs */ Err bitreich.org 70 i 201 (ucs >= 0xfe10 && ucs <= 0xfe19) || /* Vertical forms */ Err bitreich.org 70 i 202 (ucs >= 0xfe30 && ucs <= 0xfe6f) || /* CJK Compatibility Forms */ Err bitreich.org 70 i 203 (ucs >= 0xff00 && ucs <= 0xff60) || /* Fullwidth Forms */ Err bitreich.org 70 i 204 (ucs >= 0xffe0 && ucs <= 0xffe6) || Err bitreich.org 70 i 205 (ucs >= 0x20000 && ucs <= 0x2fffd) || Err bitreich.org 70 i 206 (ucs >= 0x30000 && ucs <= 0x3fffd))); Err bitreich.org 70 i 207 } Err bitreich.org 70 i 208 Err bitreich.org 70 i 209 int Err bitreich.org 70 i 210 mk_wcswidth(const wchar_t *pwcs, size_t n) Err bitreich.org 70 i 211 { Err bitreich.org 70 i 212 int w, width = 0; Err bitreich.org 70 i 213 Err bitreich.org 70 i 214 for (;*pwcs && n-- > 0; pwcs++) Err bitreich.org 70 i 215 if ((w = mk_wcwidth(*pwcs)) < 0) Err bitreich.org 70 i 216 return -1; Err bitreich.org 70 i 217 else Err bitreich.org 70 i 218 width += w; Err bitreich.org 70 i 219 Err bitreich.org 70 i 220 return width; Err bitreich.org 70 i 221 } Err bitreich.org 70 i 222 Err bitreich.org 70 i 223 /* Err bitreich.org 70 i 224 * The following functions are the same as mk_wcwidth() and Err bitreich.org 70 i 225 * mk_wcswidth(), except that spacing characters in the East Asian Err bitreich.org 70 i 226 * Ambiguous (A) category as defined in Unicode Technical Report #11 Err bitreich.org 70 i 227 * have a column width of 2. This variant might be useful for users of Err bitreich.org 70 i 228 * CJK legacy encodings who want to migrate to UCS without changing Err bitreich.org 70 i 229 * the traditional terminal character-width behaviour. It is not Err bitreich.org 70 i 230 * otherwise recommended for general use. Err bitreich.org 70 i 231 */ Err bitreich.org 70 i 232 int Err bitreich.org 70 i 233 mk_wcwidth_cjk(wchar_t ucs) Err bitreich.org 70 i 234 { Err bitreich.org 70 i 235 /* sorted list of non-overlapping intervals of East Asian Ambiguous Err bitreich.org 70 i 236 * characters, generated by "uniset +WIDTH-A -cat=Me -cat=Mn -cat=Cf c" */ Err bitreich.org 70 i 237 static const struct interval ambiguous[] = { Err bitreich.org 70 i 238 { 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 }, Err bitreich.org 70 i 239 { 0x00AA, 0x00AA }, { 0x00AE, 0x00AE }, { 0x00B0, 0x00B4 }, Err bitreich.org 70 i 240 { 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 }, Err bitreich.org 70 i 241 { 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 }, Err bitreich.org 70 i 242 { 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED }, Err bitreich.org 70 i 243 { 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA }, Err bitreich.org 70 i 244 { 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 }, Err bitreich.org 70 i 245 { 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B }, Err bitreich.org 70 i 246 { 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 }, Err bitreich.org 70 i 247 { 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 }, Err bitreich.org 70 i 248 { 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 }, Err bitreich.org 70 i 249 { 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE }, Err bitreich.org 70 i 250 { 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 }, Err bitreich.org 70 i 251 { 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA }, Err bitreich.org 70 i 252 { 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 }, Err bitreich.org 70 i 253 { 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB }, Err bitreich.org 70 i 254 { 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB }, Err bitreich.org 70 i 255 { 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0391, 0x03A1 }, Err bitreich.org 70 i 256 { 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 }, Err bitreich.org 70 i 257 { 0x0401, 0x0401 }, { 0x0410, 0x044F }, { 0x0451, 0x0451 }, Err bitreich.org 70 i 258 { 0x2010, 0x2010 }, { 0x2013, 0x2016 }, { 0x2018, 0x2019 }, Err bitreich.org 70 i 259 { 0x201C, 0x201D }, { 0x2020, 0x2022 }, { 0x2024, 0x2027 }, Err bitreich.org 70 i 260 { 0x2030, 0x2030 }, { 0x2032, 0x2033 }, { 0x2035, 0x2035 }, Err bitreich.org 70 i 261 { 0x203B, 0x203B }, { 0x203E, 0x203E }, { 0x2074, 0x2074 }, Err bitreich.org 70 i 262 { 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC }, Err bitreich.org 70 i 263 { 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 }, Err bitreich.org 70 i 264 { 0x2113, 0x2113 }, { 0x2116, 0x2116 }, { 0x2121, 0x2122 }, Err bitreich.org 70 i 265 { 0x2126, 0x2126 }, { 0x212B, 0x212B }, { 0x2153, 0x2154 }, Err bitreich.org 70 i 266 { 0x215B, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 }, Err bitreich.org 70 i 267 { 0x2190, 0x2199 }, { 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 }, Err bitreich.org 70 i 268 { 0x21D4, 0x21D4 }, { 0x21E7, 0x21E7 }, { 0x2200, 0x2200 }, Err bitreich.org 70 i 269 { 0x2202, 0x2203 }, { 0x2207, 0x2208 }, { 0x220B, 0x220B }, Err bitreich.org 70 i 270 { 0x220F, 0x220F }, { 0x2211, 0x2211 }, { 0x2215, 0x2215 }, Err bitreich.org 70 i 271 { 0x221A, 0x221A }, { 0x221D, 0x2220 }, { 0x2223, 0x2223 }, Err bitreich.org 70 i 272 { 0x2225, 0x2225 }, { 0x2227, 0x222C }, { 0x222E, 0x222E }, Err bitreich.org 70 i 273 { 0x2234, 0x2237 }, { 0x223C, 0x223D }, { 0x2248, 0x2248 }, Err bitreich.org 70 i 274 { 0x224C, 0x224C }, { 0x2252, 0x2252 }, { 0x2260, 0x2261 }, Err bitreich.org 70 i 275 { 0x2264, 0x2267 }, { 0x226A, 0x226B }, { 0x226E, 0x226F }, Err bitreich.org 70 i 276 { 0x2282, 0x2283 }, { 0x2286, 0x2287 }, { 0x2295, 0x2295 }, Err bitreich.org 70 i 277 { 0x2299, 0x2299 }, { 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF }, Err bitreich.org 70 i 278 { 0x2312, 0x2312 }, { 0x2460, 0x24E9 }, { 0x24EB, 0x254B }, Err bitreich.org 70 i 279 { 0x2550, 0x2573 }, { 0x2580, 0x258F }, { 0x2592, 0x2595 }, Err bitreich.org 70 i 280 { 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 }, Err bitreich.org 70 i 281 { 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 }, Err bitreich.org 70 i 282 { 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 }, Err bitreich.org 70 i 283 { 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF }, { 0x2605, 0x2606 }, Err bitreich.org 70 i 284 { 0x2609, 0x2609 }, { 0x260E, 0x260F }, { 0x2614, 0x2615 }, Err bitreich.org 70 i 285 { 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 }, Err bitreich.org 70 i 286 { 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 }, Err bitreich.org 70 i 287 { 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F }, Err bitreich.org 70 i 288 { 0x273D, 0x273D }, { 0x2776, 0x277F }, { 0xE000, 0xF8FF }, Err bitreich.org 70 i 289 { 0xFFFD, 0xFFFD }, { 0xF0000, 0xFFFFD }, { 0x100000, 0x10FFFD } Err bitreich.org 70 i 290 }; Err bitreich.org 70 i 291 Err bitreich.org 70 i 292 /* binary search in table of non-spacing characters */ Err bitreich.org 70 i 293 if (bisearch(ucs, ambiguous, Err bitreich.org 70 i 294 sizeof(ambiguous) / sizeof(struct interval) - 1)) Err bitreich.org 70 i 295 return 2; Err bitreich.org 70 i 296 Err bitreich.org 70 i 297 return mk_wcwidth(ucs); Err bitreich.org 70 i 298 } Err bitreich.org 70 i 299 Err bitreich.org 70 i 300 int Err bitreich.org 70 i 301 mk_wcswidth_cjk(const wchar_t *pwcs, size_t n) Err bitreich.org 70 i 302 { Err bitreich.org 70 i 303 int w, width = 0; Err bitreich.org 70 i 304 Err bitreich.org 70 i 305 for (;*pwcs && n-- > 0; pwcs++) Err bitreich.org 70 i 306 if ((w = mk_wcwidth_cjk(*pwcs)) < 0) Err bitreich.org 70 i 307 return -1; Err bitreich.org 70 i 308 else Err bitreich.org 70 i 309 width += w; Err bitreich.org 70 i 310 Err bitreich.org 70 i 311 return width; Err bitreich.org 70 i 312 } Err bitreich.org 70 .