Annotation of mandoc/chars.c, Revision 1.76
1.76 ! schwarze 1: /* $Id: chars.c,v 1.75 2018/08/21 01:59:22 schwarze Exp $ */
1.1 kristaps 2: /*
1.51 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.70 schwarze 4: * Copyright (c) 2011, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.14 kristaps 18: #include "config.h"
1.59 schwarze 19:
20: #include <sys/types.h>
1.14 kristaps 21:
1.1 kristaps 22: #include <assert.h>
1.40 kristaps 23: #include <ctype.h>
1.68 schwarze 24: #include <stddef.h>
25: #include <stdint.h>
1.1 kristaps 26: #include <stdlib.h>
27: #include <string.h>
28:
1.18 kristaps 29: #include "mandoc.h"
1.56 schwarze 30: #include "mandoc_aux.h"
1.68 schwarze 31: #include "mandoc_ohash.h"
1.43 kristaps 32: #include "libmandoc.h"
1.1 kristaps 33:
34: struct ln {
1.68 schwarze 35: const char roffcode[16];
1.2 kristaps 36: const char *ascii;
1.21 kristaps 37: int unicode;
1.1 kristaps 38: };
39:
1.68 schwarze 40: /* Special break control characters. */
41: static const char ascii_nbrsp[2] = { ASCII_NBRSP, '\0' };
42: static const char ascii_break[2] = { ASCII_BREAK, '\0' };
43:
44: static struct ln lines[] = {
45:
46: /* Spacing. */
47: { " ", ascii_nbrsp, 0x00a0 },
48: { "~", ascii_nbrsp, 0x00a0 },
49: { "0", " ", 0x2002 },
50: { "|", "", 0 },
51: { "^", "", 0 },
52: { "&", "", 0 },
1.74 schwarze 53: { ")", "", 0 },
1.68 schwarze 54: { "%", "", 0 },
55: { ":", ascii_break, 0 },
56: /* XXX The following three do not really belong here. */
57: { "t", "", 0 },
58: { "c", "", 0 },
59: { "}", "", 0 },
60:
61: /* Lines. */
62: { "ba", "|", 0x007c },
63: { "br", "|", 0x2502 },
64: { "ul", "_", 0x005f },
1.71 schwarze 65: { "ru", "_", 0x005f },
1.68 schwarze 66: { "rn", "-", 0x203e },
67: { "bb", "|", 0x00a6 },
68: { "sl", "/", 0x002f },
69: { "rs", "\\", 0x005c },
70:
71: /* Text markers. */
72: { "ci", "O", 0x25cb },
73: { "bu", "+\bo", 0x2022 },
1.72 schwarze 74: { "dd", "<**>", 0x2021 },
75: { "dg", "<*>", 0x2020 },
1.68 schwarze 76: { "lz", "<>", 0x25ca },
77: { "sq", "[]", 0x25a1 },
1.72 schwarze 78: { "ps", "<paragraph>", 0x00b6 },
79: { "sc", "<section>", 0x00a7 },
1.68 schwarze 80: { "lh", "<=", 0x261c },
81: { "rh", "=>", 0x261e },
82: { "at", "@", 0x0040 },
83: { "sh", "#", 0x0023 },
1.72 schwarze 84: { "CR", "<cr>", 0x21b5 },
1.68 schwarze 85: { "OK", "\\/", 0x2713 },
1.76 ! schwarze 86: { "CL", "C", 0x2663 },
! 87: { "SP", "S", 0x2660 },
! 88: { "HE", "H", 0x2665 },
! 89: { "DI", "D", 0x2666 },
1.68 schwarze 90:
91: /* Legal symbols. */
92: { "co", "(C)", 0x00a9 },
93: { "rg", "(R)", 0x00ae },
94: { "tm", "tm", 0x2122 },
95:
96: /* Punctuation. */
97: { "em", "--", 0x2014 },
98: { "en", "-", 0x2013 },
99: { "hy", "-", 0x2010 },
100: { "e", "\\", 0x005c },
101: { ".", ".", 0x002e },
102: { "r!", "!", 0x00a1 },
103: { "r?", "?", 0x00bf },
104:
105: /* Quotes. */
106: { "Bq", ",,", 0x201e },
107: { "bq", ",", 0x201a },
108: { "lq", "\"", 0x201c },
109: { "rq", "\"", 0x201d },
1.69 schwarze 110: { "Lq", "\"", 0x201c },
111: { "Rq", "\"", 0x201d },
1.68 schwarze 112: { "oq", "`", 0x2018 },
113: { "cq", "\'", 0x2019 },
114: { "aq", "\'", 0x0027 },
115: { "dq", "\"", 0x0022 },
116: { "Fo", "<<", 0x00ab },
117: { "Fc", ">>", 0x00bb },
118: { "fo", "<", 0x2039 },
119: { "fc", ">", 0x203a },
120:
121: /* Brackets. */
122: { "lB", "[", 0x005b },
123: { "rB", "]", 0x005d },
124: { "lC", "{", 0x007b },
125: { "rC", "}", 0x007d },
126: { "la", "<", 0x27e8 },
127: { "ra", ">", 0x27e9 },
128: { "bv", "|", 0x23aa },
129: { "braceex", "|", 0x23aa },
130: { "bracketlefttp", "|", 0x23a1 },
131: { "bracketleftbt", "|", 0x23a3 },
132: { "bracketleftex", "|", 0x23a2 },
133: { "bracketrighttp", "|", 0x23a4 },
134: { "bracketrightbt", "|", 0x23a6 },
135: { "bracketrightex", "|", 0x23a5 },
136: { "lt", ",-", 0x23a7 },
137: { "bracelefttp", ",-", 0x23a7 },
138: { "lk", "{", 0x23a8 },
139: { "braceleftmid", "{", 0x23a8 },
140: { "lb", "`-", 0x23a9 },
141: { "braceleftbt", "`-", 0x23a9 },
142: { "braceleftex", "|", 0x23aa },
143: { "rt", "-.", 0x23ab },
144: { "bracerighttp", "-.", 0x23ab },
145: { "rk", "}", 0x23ac },
146: { "bracerightmid", "}", 0x23ac },
147: { "rb", "-\'", 0x23ad },
148: { "bracerightbt", "-\'", 0x23ad },
149: { "bracerightex", "|", 0x23aa },
150: { "parenlefttp", "/", 0x239b },
151: { "parenleftbt", "\\", 0x239d },
152: { "parenleftex", "|", 0x239c },
153: { "parenrighttp", "\\", 0x239e },
154: { "parenrightbt", "/", 0x23a0 },
155: { "parenrightex", "|", 0x239f },
156:
157: /* Arrows and lines. */
158: { "<-", "<-", 0x2190 },
159: { "->", "->", 0x2192 },
160: { "<>", "<->", 0x2194 },
161: { "da", "|\bv", 0x2193 },
162: { "ua", "|\b^", 0x2191 },
163: { "va", "^v", 0x2195 },
164: { "lA", "<=", 0x21d0 },
165: { "rA", "=>", 0x21d2 },
166: { "hA", "<=>", 0x21d4 },
167: { "uA", "=\b^", 0x21d1 },
168: { "dA", "=\bv", 0x21d3 },
169: { "vA", "^=v", 0x21d5 },
1.70 schwarze 170: { "an", "-", 0x23af },
1.68 schwarze 171:
172: /* Logic. */
173: { "AN", "^", 0x2227 },
174: { "OR", "v", 0x2228 },
175: { "no", "~", 0x00ac },
176: { "tno", "~", 0x00ac },
1.72 schwarze 177: { "te", "<there\037exists>", 0x2203 },
178: { "fa", "<for\037all>", 0x2200 },
179: { "st", "<such\037that>", 0x220b },
180: { "tf", "<therefore>", 0x2234 },
181: { "3d", "<therefore>", 0x2234 },
1.68 schwarze 182: { "or", "|", 0x007c },
183:
184: /* Mathematicals. */
185: { "pl", "+", 0x002b },
186: { "mi", "-", 0x2212 },
187: { "-", "-", 0x002d },
188: { "-+", "-+", 0x2213 },
189: { "+-", "+-", 0x00b1 },
190: { "t+-", "+-", 0x00b1 },
191: { "pc", ".", 0x00b7 },
192: { "md", ".", 0x22c5 },
193: { "mu", "x", 0x00d7 },
194: { "tmu", "x", 0x00d7 },
195: { "c*", "O\bx", 0x2297 },
196: { "c+", "O\b+", 0x2295 },
1.72 schwarze 197: { "di", "/", 0x00f7 },
198: { "tdi", "/", 0x00f7 },
1.68 schwarze 199: { "f/", "/", 0x2044 },
200: { "**", "*", 0x2217 },
201: { "<=", "<=", 0x2264 },
202: { ">=", ">=", 0x2265 },
203: { "<<", "<<", 0x226a },
204: { ">>", ">>", 0x226b },
205: { "eq", "=", 0x003d },
206: { "!=", "!=", 0x2260 },
207: { "==", "==", 0x2261 },
208: { "ne", "!==", 0x2262 },
209: { "ap", "~", 0x223c },
210: { "|=", "-~", 0x2243 },
211: { "=~", "=~", 0x2245 },
212: { "~~", "~~", 0x2248 },
213: { "~=", "~=", 0x2248 },
1.72 schwarze 214: { "pt", "<proportional\037to>", 0x221d },
1.68 schwarze 215: { "es", "{}", 0x2205 },
1.72 schwarze 216: { "mo", "<element\037of>", 0x2208 },
217: { "nm", "<not\037element\037of>", 0x2209 },
218: { "sb", "<proper\037subset>", 0x2282 },
1.73 schwarze 219: { "nb", "<not\037subset>", 0x2284 },
1.72 schwarze 220: { "sp", "<proper\037superset>", 0x2283 },
1.73 schwarze 221: { "nc", "<not\037superset>", 0x2285 },
1.72 schwarze 222: { "ib", "<subset\037or\037equal>", 0x2286 },
223: { "ip", "<superset\037or\037equal>", 0x2287 },
224: { "ca", "<intersection>", 0x2229 },
225: { "cu", "<union>", 0x222a },
226: { "/_", "<angle>", 0x2220 },
227: { "pp", "<perpendicular>", 0x22a5 },
228: { "is", "<integral>", 0x222b },
1.73 schwarze 229: { "integral", "<integral>", 0x222b },
230: { "sum", "<sum>", 0x2211 },
231: { "product", "<product>", 0x220f },
232: { "coproduct", "<coproduct>", 0x2210 },
1.72 schwarze 233: { "gr", "<nabla>", 0x2207 },
234: { "sr", "<sqrt>", 0x221a },
1.73 schwarze 235: { "sqrt", "<sqrt>", 0x221a },
1.68 schwarze 236: { "lc", "|~", 0x2308 },
237: { "rc", "~|", 0x2309 },
238: { "lf", "|_", 0x230a },
239: { "rf", "_|", 0x230b },
1.72 schwarze 240: { "if", "<infinity>", 0x221e },
241: { "Ah", "<Aleph>", 0x2135 },
242: { "Im", "<Im>", 0x2111 },
243: { "Re", "<Re>", 0x211c },
1.75 schwarze 244: { "wp", "p", 0x2118 },
1.72 schwarze 245: { "pd", "<del>", 0x2202 },
1.68 schwarze 246: { "-h", "/h", 0x210f },
1.70 schwarze 247: { "hbar", "/h", 0x210f },
1.68 schwarze 248: { "12", "1/2", 0x00bd },
249: { "14", "1/4", 0x00bc },
250: { "34", "3/4", 0x00be },
1.70 schwarze 251: { "18", "1/8", 0x215B },
252: { "38", "3/8", 0x215C },
253: { "58", "5/8", 0x215D },
254: { "78", "7/8", 0x215E },
1.72 schwarze 255: { "S1", "^1", 0x00B9 },
256: { "S2", "^2", 0x00B2 },
257: { "S3", "^3", 0x00B3 },
1.68 schwarze 258:
259: /* Ligatures. */
260: { "ff", "ff", 0xfb00 },
261: { "fi", "fi", 0xfb01 },
262: { "fl", "fl", 0xfb02 },
263: { "Fi", "ffi", 0xfb03 },
264: { "Fl", "ffl", 0xfb04 },
265: { "AE", "AE", 0x00c6 },
266: { "ae", "ae", 0x00e6 },
267: { "OE", "OE", 0x0152 },
268: { "oe", "oe", 0x0153 },
269: { "ss", "ss", 0x00df },
270: { "IJ", "IJ", 0x0132 },
271: { "ij", "ij", 0x0133 },
272:
273: /* Accents. */
274: { "a\"", "\"", 0x02dd },
275: { "a-", "-", 0x00af },
276: { "a.", ".", 0x02d9 },
277: { "a^", "^", 0x005e },
278: { "aa", "\'", 0x00b4 },
279: { "\'", "\'", 0x00b4 },
280: { "ga", "`", 0x0060 },
281: { "`", "`", 0x0060 },
282: { "ab", "'\b`", 0x02d8 },
283: { "ac", ",", 0x00b8 },
284: { "ad", "\"", 0x00a8 },
285: { "ah", "v", 0x02c7 },
286: { "ao", "o", 0x02da },
287: { "a~", "~", 0x007e },
288: { "ho", ",", 0x02db },
289: { "ha", "^", 0x005e },
290: { "ti", "~", 0x007e },
1.75 schwarze 291: { "u02DC", "~", 0x02dc },
1.68 schwarze 292:
293: /* Accented letters. */
294: { "'A", "'\bA", 0x00c1 },
295: { "'E", "'\bE", 0x00c9 },
296: { "'I", "'\bI", 0x00cd },
297: { "'O", "'\bO", 0x00d3 },
298: { "'U", "'\bU", 0x00da },
1.75 schwarze 299: { "'Y", "'\bY", 0x00dd },
1.68 schwarze 300: { "'a", "'\ba", 0x00e1 },
301: { "'e", "'\be", 0x00e9 },
302: { "'i", "'\bi", 0x00ed },
303: { "'o", "'\bo", 0x00f3 },
304: { "'u", "'\bu", 0x00fa },
1.75 schwarze 305: { "'y", "'\by", 0x00fd },
1.68 schwarze 306: { "`A", "`\bA", 0x00c0 },
307: { "`E", "`\bE", 0x00c8 },
308: { "`I", "`\bI", 0x00cc },
309: { "`O", "`\bO", 0x00d2 },
310: { "`U", "`\bU", 0x00d9 },
311: { "`a", "`\ba", 0x00e0 },
312: { "`e", "`\be", 0x00e8 },
313: { "`i", "`\bi", 0x00ec },
314: { "`o", "`\bo", 0x00f2 },
315: { "`u", "`\bu", 0x00f9 },
316: { "~A", "~\bA", 0x00c3 },
317: { "~N", "~\bN", 0x00d1 },
318: { "~O", "~\bO", 0x00d5 },
319: { "~a", "~\ba", 0x00e3 },
320: { "~n", "~\bn", 0x00f1 },
321: { "~o", "~\bo", 0x00f5 },
322: { ":A", "\"\bA", 0x00c4 },
323: { ":E", "\"\bE", 0x00cb },
324: { ":I", "\"\bI", 0x00cf },
325: { ":O", "\"\bO", 0x00d6 },
326: { ":U", "\"\bU", 0x00dc },
327: { ":a", "\"\ba", 0x00e4 },
328: { ":e", "\"\be", 0x00eb },
329: { ":i", "\"\bi", 0x00ef },
330: { ":o", "\"\bo", 0x00f6 },
331: { ":u", "\"\bu", 0x00fc },
332: { ":y", "\"\by", 0x00ff },
333: { "^A", "^\bA", 0x00c2 },
334: { "^E", "^\bE", 0x00ca },
335: { "^I", "^\bI", 0x00ce },
336: { "^O", "^\bO", 0x00d4 },
337: { "^U", "^\bU", 0x00db },
338: { "^a", "^\ba", 0x00e2 },
339: { "^e", "^\be", 0x00ea },
340: { "^i", "^\bi", 0x00ee },
341: { "^o", "^\bo", 0x00f4 },
342: { "^u", "^\bu", 0x00fb },
343: { ",C", ",\bC", 0x00c7 },
344: { ",c", ",\bc", 0x00e7 },
345: { "/L", "/\bL", 0x0141 },
346: { "/l", "/\bl", 0x0142 },
347: { "/O", "/\bO", 0x00d8 },
348: { "/o", "/\bo", 0x00f8 },
349: { "oA", "o\bA", 0x00c5 },
350: { "oa", "o\ba", 0x00e5 },
351:
352: /* Special letters. */
1.72 schwarze 353: { "-D", "Dh", 0x00d0 },
354: { "Sd", "dh", 0x00f0 },
1.68 schwarze 355: { "TP", "Th", 0x00de },
356: { "Tp", "th", 0x00fe },
357: { ".i", "i", 0x0131 },
358: { ".j", "j", 0x0237 },
359:
360: /* Currency. */
361: { "Do", "$", 0x0024 },
362: { "ct", "/\bc", 0x00a2 },
363: { "Eu", "EUR", 0x20ac },
364: { "eu", "EUR", 0x20ac },
365: { "Ye", "=\bY", 0x00a5 },
1.76 ! schwarze 366: { "Po", "-\bL", 0x00a3 },
1.68 schwarze 367: { "Cs", "o\bx", 0x00a4 },
368: { "Fn", ",\bf", 0x0192 },
369:
370: /* Units. */
1.72 schwarze 371: { "de", "<degree>", 0x00b0 },
372: { "%0", "<permille>", 0x2030 },
1.68 schwarze 373: { "fm", "\'", 0x2032 },
374: { "sd", "''", 0x2033 },
1.72 schwarze 375: { "mc", "<micro>", 0x00b5 },
1.70 schwarze 376: { "Of", "_\ba", 0x00aa },
377: { "Om", "_\bo", 0x00ba },
1.68 schwarze 378:
379: /* Greek characters. */
380: { "*A", "A", 0x0391 },
381: { "*B", "B", 0x0392 },
1.72 schwarze 382: { "*G", "<Gamma>", 0x0393 },
383: { "*D", "<Delta>", 0x0394 },
1.68 schwarze 384: { "*E", "E", 0x0395 },
385: { "*Z", "Z", 0x0396 },
386: { "*Y", "H", 0x0397 },
1.72 schwarze 387: { "*H", "<Theta>", 0x0398 },
1.68 schwarze 388: { "*I", "I", 0x0399 },
389: { "*K", "K", 0x039a },
1.72 schwarze 390: { "*L", "<Lambda>", 0x039b },
1.68 schwarze 391: { "*M", "M", 0x039c },
392: { "*N", "N", 0x039d },
1.72 schwarze 393: { "*C", "<Xi>", 0x039e },
1.68 schwarze 394: { "*O", "O", 0x039f },
1.72 schwarze 395: { "*P", "<Pi>", 0x03a0 },
1.68 schwarze 396: { "*R", "P", 0x03a1 },
1.72 schwarze 397: { "*S", "<Sigma>", 0x03a3 },
1.68 schwarze 398: { "*T", "T", 0x03a4 },
399: { "*U", "Y", 0x03a5 },
1.72 schwarze 400: { "*F", "<Phi>", 0x03a6 },
1.68 schwarze 401: { "*X", "X", 0x03a7 },
1.72 schwarze 402: { "*Q", "<Psi>", 0x03a8 },
403: { "*W", "<Omega>", 0x03a9 },
404: { "*a", "<alpha>", 0x03b1 },
405: { "*b", "<beta>", 0x03b2 },
406: { "*g", "<gamma>", 0x03b3 },
407: { "*d", "<delta>", 0x03b4 },
408: { "*e", "<epsilon>", 0x03b5 },
409: { "*z", "<zeta>", 0x03b6 },
410: { "*y", "<eta>", 0x03b7 },
411: { "*h", "<theta>", 0x03b8 },
412: { "*i", "<iota>", 0x03b9 },
413: { "*k", "<kappa>", 0x03ba },
414: { "*l", "<lambda>", 0x03bb },
415: { "*m", "<mu>", 0x03bc },
416: { "*n", "<nu>", 0x03bd },
417: { "*c", "<xi>", 0x03be },
1.68 schwarze 418: { "*o", "o", 0x03bf },
1.72 schwarze 419: { "*p", "<pi>", 0x03c0 },
420: { "*r", "<rho>", 0x03c1 },
421: { "*s", "<sigma>", 0x03c3 },
422: { "*t", "<tau>", 0x03c4 },
423: { "*u", "<upsilon>", 0x03c5 },
424: { "*f", "<phi>", 0x03d5 },
425: { "*x", "<chi>", 0x03c7 },
426: { "*q", "<psi>", 0x03c8 },
427: { "*w", "<omega>", 0x03c9 },
428: { "+h", "<theta>", 0x03d1 },
429: { "+f", "<phi>", 0x03c6 },
430: { "+p", "<pi>", 0x03d6 },
431: { "+e", "<epsilon>", 0x03f5 },
432: { "ts", "<sigma>", 0x03c2 },
1.1 kristaps 433: };
434:
1.68 schwarze 435: static struct ohash mchars;
1.1 kristaps 436:
1.57 schwarze 437:
1.1 kristaps 438: void
1.68 schwarze 439: mchars_free(void)
1.1 kristaps 440: {
441:
1.68 schwarze 442: ohash_delete(&mchars);
1.1 kristaps 443: }
444:
1.68 schwarze 445: void
1.38 kristaps 446: mchars_alloc(void)
1.1 kristaps 447: {
1.68 schwarze 448: size_t i;
449: unsigned int slot;
450:
451: mandoc_ohash_init(&mchars, 9, offsetof(struct ln, roffcode));
452: for (i = 0; i < sizeof(lines)/sizeof(lines[0]); i++) {
453: slot = ohash_qlookup(&mchars, lines[i].roffcode);
454: assert(ohash_find(&mchars, slot) == NULL);
455: ohash_insert(&mchars, slot, lines + i);
1.1 kristaps 456: }
457: }
458:
1.21 kristaps 459: int
1.68 schwarze 460: mchars_spec2cp(const char *p, size_t sz)
1.21 kristaps 461: {
462: const struct ln *ln;
1.68 schwarze 463: const char *end;
1.21 kristaps 464:
1.68 schwarze 465: end = p + sz;
466: ln = ohash_find(&mchars, ohash_qlookupi(&mchars, p, &end));
1.67 schwarze 467: return ln != NULL ? ln->unicode : sz == 1 ? (unsigned char)*p : -1;
1.21 kristaps 468: }
469:
1.65 schwarze 470: int
1.36 kristaps 471: mchars_num2char(const char *p, size_t sz)
1.32 schwarze 472: {
1.57 schwarze 473: int i;
1.32 schwarze 474:
1.65 schwarze 475: i = mandoc_strntoi(p, sz, 10);
1.67 schwarze 476: return i >= 0 && i < 256 ? i : -1;
1.44 kristaps 477: }
478:
479: int
480: mchars_num2uc(const char *p, size_t sz)
481: {
1.57 schwarze 482: int i;
1.39 kristaps 483:
1.63 schwarze 484: i = mandoc_strntoi(p, sz, 16);
485: assert(i >= 0 && i <= 0x10FFFF);
1.67 schwarze 486: return i;
1.21 kristaps 487: }
488:
1.1 kristaps 489: const char *
1.68 schwarze 490: mchars_spec2str(const char *p, size_t sz, size_t *rsz)
1.1 kristaps 491: {
1.21 kristaps 492: const struct ln *ln;
1.68 schwarze 493: const char *end;
1.1 kristaps 494:
1.68 schwarze 495: end = p + sz;
496: ln = ohash_find(&mchars, ohash_qlookupi(&mchars, p, &end));
1.60 schwarze 497: if (ln == NULL) {
1.50 schwarze 498: *rsz = 1;
1.67 schwarze 499: return sz == 1 ? p : NULL;
1.50 schwarze 500: }
1.21 kristaps 501:
1.24 kristaps 502: *rsz = strlen(ln->ascii);
1.67 schwarze 503: return ln->ascii;
1.61 schwarze 504: }
505:
506: const char *
507: mchars_uc2str(int uc)
508: {
1.68 schwarze 509: size_t i;
1.61 schwarze 510:
1.68 schwarze 511: for (i = 0; i < sizeof(lines)/sizeof(lines[0]); i++)
1.61 schwarze 512: if (uc == lines[i].unicode)
1.67 schwarze 513: return lines[i].ascii;
514: return "<?>";
1.1 kristaps 515: }
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