Annotation of mandoc/mandoc.c, Revision 1.75
1.75 ! schwarze 1: /* $Id: mandoc.c,v 1.74 2013/12/30 18:30:32 schwarze Exp $ */
1.1 kristaps 2: /*
1.59 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.68 schwarze 4: * Copyright (c) 2011, 2012, 2013 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: *
1.36 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.36 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 kristaps 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: */
1.9 kristaps 18: #ifdef HAVE_CONFIG_H
19: #include "config.h"
1.7 kristaps 20: #endif
21:
1.2 kristaps 22: #include <sys/types.h>
23:
1.1 kristaps 24: #include <assert.h>
25: #include <ctype.h>
1.50 kristaps 26: #include <errno.h>
27: #include <limits.h>
1.1 kristaps 28: #include <stdlib.h>
1.4 kristaps 29: #include <stdio.h>
30: #include <string.h>
1.7 kristaps 31: #include <time.h>
1.1 kristaps 32:
1.18 kristaps 33: #include "mandoc.h"
1.1 kristaps 34: #include "libmandoc.h"
35:
1.37 schwarze 36: #define DATESIZE 32
37:
1.18 kristaps 38: static int a2time(time_t *, const char *, const char *);
1.37 schwarze 39: static char *time2a(time_t);
1.7 kristaps 40:
1.45 kristaps 41:
42: enum mandoc_esc
1.74 schwarze 43: mandoc_escape(const char **end, const char **start, int *sz)
1.1 kristaps 44: {
1.65 schwarze 45: const char *local_start;
46: int local_sz;
47: char term;
1.45 kristaps 48: enum mandoc_esc gly;
49:
1.65 schwarze 50: /*
51: * When the caller doesn't provide return storage,
52: * use local storage.
53: */
54:
55: if (NULL == start)
56: start = &local_start;
57: if (NULL == sz)
58: sz = &local_sz;
59:
60: /*
61: * Beyond the backslash, at least one input character
62: * is part of the escape sequence. With one exception
63: * (see below), that character won't be returned.
64: */
65:
1.45 kristaps 66: gly = ESCAPE_ERROR;
1.65 schwarze 67: *start = ++*end;
68: *sz = 0;
1.64 schwarze 69: term = '\0';
1.18 kristaps 70:
1.65 schwarze 71: switch ((*start)[-1]) {
1.45 kristaps 72: /*
73: * First the glyphs. There are several different forms of
74: * these, but each eventually returns a substring of the glyph
75: * name.
76: */
77: case ('('):
78: gly = ESCAPE_SPECIAL;
1.65 schwarze 79: *sz = 2;
1.45 kristaps 80: break;
81: case ('['):
82: gly = ESCAPE_SPECIAL;
1.52 kristaps 83: /*
84: * Unicode escapes are defined in groff as \[uXXXX] to
85: * \[u10FFFF], where the contained value must be a valid
86: * Unicode codepoint. Here, however, only check whether
87: * it's not a zero-width escape.
88: */
1.65 schwarze 89: if ('u' == (*start)[0] && ']' != (*start)[1])
1.52 kristaps 90: gly = ESCAPE_UNICODE;
1.45 kristaps 91: term = ']';
92: break;
93: case ('C'):
1.65 schwarze 94: if ('\'' != **start)
1.45 kristaps 95: return(ESCAPE_ERROR);
1.65 schwarze 96: *start = ++*end;
1.70 schwarze 97: if ('u' == (*start)[0] && '\'' != (*start)[1])
98: gly = ESCAPE_UNICODE;
99: else
100: gly = ESCAPE_SPECIAL;
1.45 kristaps 101: term = '\'';
102: break;
1.72 schwarze 103:
104: /*
105: * Escapes taking no arguments at all.
106: */
107: case ('d'):
108: /* FALLTHROUGH */
109: case ('u'):
110: return(ESCAPE_IGNORE);
1.63 schwarze 111:
112: /*
113: * The \z escape is supposed to output the following
114: * character without advancing the cursor position.
115: * Since we are mostly dealing with terminal mode,
116: * let us just skip the next character.
117: */
118: case ('z'):
119: return(ESCAPE_SKIPCHAR);
1.1 kristaps 120:
1.45 kristaps 121: /*
122: * Handle all triggers matching \X(xy, \Xx, and \X[xxxx], where
123: * 'X' is the trigger. These have opaque sub-strings.
124: */
125: case ('F'):
126: /* FALLTHROUGH */
127: case ('g'):
1.24 kristaps 128: /* FALLTHROUGH */
1.45 kristaps 129: case ('k'):
1.24 kristaps 130: /* FALLTHROUGH */
1.45 kristaps 131: case ('M'):
1.24 kristaps 132: /* FALLTHROUGH */
1.45 kristaps 133: case ('m'):
1.24 kristaps 134: /* FALLTHROUGH */
1.45 kristaps 135: case ('n'):
1.24 kristaps 136: /* FALLTHROUGH */
1.45 kristaps 137: case ('V'):
1.24 kristaps 138: /* FALLTHROUGH */
1.45 kristaps 139: case ('Y'):
1.60 schwarze 140: gly = ESCAPE_IGNORE;
1.24 kristaps 141: /* FALLTHROUGH */
1.45 kristaps 142: case ('f'):
143: if (ESCAPE_ERROR == gly)
144: gly = ESCAPE_FONT;
1.65 schwarze 145: switch (**start) {
1.45 kristaps 146: case ('('):
1.65 schwarze 147: *start = ++*end;
148: *sz = 2;
1.45 kristaps 149: break;
150: case ('['):
1.65 schwarze 151: *start = ++*end;
1.45 kristaps 152: term = ']';
153: break;
154: default:
1.65 schwarze 155: *sz = 1;
1.45 kristaps 156: break;
157: }
158: break;
159:
160: /*
161: * These escapes are of the form \X'Y', where 'X' is the trigger
162: * and 'Y' is any string. These have opaque sub-strings.
163: */
164: case ('A'):
1.24 kristaps 165: /* FALLTHROUGH */
1.45 kristaps 166: case ('b'):
1.24 kristaps 167: /* FALLTHROUGH */
1.73 schwarze 168: case ('B'):
169: /* FALLTHROUGH */
1.24 kristaps 170: case ('D'):
171: /* FALLTHROUGH */
1.45 kristaps 172: case ('o'):
1.24 kristaps 173: /* FALLTHROUGH */
1.45 kristaps 174: case ('R'):
1.24 kristaps 175: /* FALLTHROUGH */
1.73 schwarze 176: case ('w'):
177: /* FALLTHROUGH */
1.45 kristaps 178: case ('X'):
1.24 kristaps 179: /* FALLTHROUGH */
1.45 kristaps 180: case ('Z'):
1.65 schwarze 181: if ('\'' != **start)
1.45 kristaps 182: return(ESCAPE_ERROR);
183: gly = ESCAPE_IGNORE;
1.65 schwarze 184: *start = ++*end;
1.24 kristaps 185: term = '\'';
186: break;
1.45 kristaps 187:
188: /*
189: * These escapes are of the form \X'N', where 'X' is the trigger
190: * and 'N' resolves to a numerical expression.
191: */
1.28 kristaps 192: case ('h'):
193: /* FALLTHROUGH */
1.45 kristaps 194: case ('H'):
195: /* FALLTHROUGH */
196: case ('L'):
197: /* FALLTHROUGH */
198: case ('l'):
199: /* FALLTHROUGH */
200: case ('S'):
201: /* FALLTHROUGH */
1.28 kristaps 202: case ('v'):
203: /* FALLTHROUGH */
1.45 kristaps 204: case ('x'):
1.65 schwarze 205: if ('\'' != **start)
206: return(ESCAPE_ERROR);
1.73 schwarze 207: gly = ESCAPE_IGNORE;
1.65 schwarze 208: *start = ++*end;
1.64 schwarze 209: term = '\'';
1.45 kristaps 210: break;
1.60 schwarze 211:
212: /*
213: * Special handling for the numbered character escape.
214: * XXX Do any other escapes need similar handling?
215: */
216: case ('N'):
1.65 schwarze 217: if ('\0' == **start)
1.60 schwarze 218: return(ESCAPE_ERROR);
1.65 schwarze 219: (*end)++;
220: if (isdigit((unsigned char)**start)) {
221: *sz = 1;
1.60 schwarze 222: return(ESCAPE_IGNORE);
1.65 schwarze 223: }
224: (*start)++;
1.60 schwarze 225: while (isdigit((unsigned char)**end))
226: (*end)++;
1.65 schwarze 227: *sz = *end - *start;
1.60 schwarze 228: if ('\0' != **end)
229: (*end)++;
230: return(ESCAPE_NUMBERED);
1.45 kristaps 231:
232: /*
233: * Sizes get a special category of their own.
234: */
1.8 kristaps 235: case ('s'):
1.45 kristaps 236: gly = ESCAPE_IGNORE;
1.28 kristaps 237:
1.45 kristaps 238: /* See +/- counts as a sign. */
1.65 schwarze 239: if ('+' == **end || '-' == **end || ASCII_HYPH == **end)
240: (*end)++;
1.8 kristaps 241:
1.65 schwarze 242: switch (**end) {
1.22 kristaps 243: case ('('):
1.65 schwarze 244: *start = ++*end;
245: *sz = 2;
1.22 kristaps 246: break;
247: case ('['):
1.65 schwarze 248: *start = ++*end;
1.64 schwarze 249: term = ']';
1.22 kristaps 250: break;
251: case ('\''):
1.65 schwarze 252: *start = ++*end;
1.64 schwarze 253: term = '\'';
1.22 kristaps 254: break;
255: default:
1.65 schwarze 256: *sz = 1;
1.22 kristaps 257: break;
1.8 kristaps 258: }
259:
1.45 kristaps 260: break;
1.33 kristaps 261:
1.45 kristaps 262: /*
263: * Anything else is assumed to be a glyph.
1.65 schwarze 264: * In this case, pass back the character after the backslash.
1.45 kristaps 265: */
266: default:
267: gly = ESCAPE_SPECIAL;
1.65 schwarze 268: *start = --*end;
269: *sz = 1;
1.22 kristaps 270: break;
1.45 kristaps 271: }
272:
273: assert(ESCAPE_ERROR != gly);
274:
275: /*
1.64 schwarze 276: * Read up to the terminating character,
277: * paying attention to nested escapes.
1.45 kristaps 278: */
279:
280: if ('\0' != term) {
1.64 schwarze 281: while (**end != term) {
282: switch (**end) {
283: case ('\0'):
284: return(ESCAPE_ERROR);
285: case ('\\'):
286: (*end)++;
287: if (ESCAPE_ERROR ==
288: mandoc_escape(end, NULL, NULL))
289: return(ESCAPE_ERROR);
290: break;
291: default:
292: (*end)++;
293: break;
294: }
295: }
1.65 schwarze 296: *sz = (*end)++ - *start;
1.64 schwarze 297: } else {
1.65 schwarze 298: assert(*sz > 0);
299: if ((size_t)*sz > strlen(*start))
1.45 kristaps 300: return(ESCAPE_ERROR);
1.65 schwarze 301: *end += *sz;
1.45 kristaps 302: }
303:
304: /* Run post-processors. */
305:
306: switch (gly) {
307: case (ESCAPE_FONT):
1.68 schwarze 308: if (2 == *sz) {
309: if ('C' == **start) {
310: /*
311: * Treat constant-width font modes
312: * just like regular font modes.
313: */
314: (*start)++;
315: (*sz)--;
316: } else {
317: if ('B' == (*start)[0] && 'I' == (*start)[1])
318: gly = ESCAPE_FONTBI;
319: break;
320: }
1.65 schwarze 321: } else if (1 != *sz)
1.45 kristaps 322: break;
1.61 kristaps 323:
1.65 schwarze 324: switch (**start) {
1.45 kristaps 325: case ('3'):
326: /* FALLTHROUGH */
327: case ('B'):
328: gly = ESCAPE_FONTBOLD;
329: break;
330: case ('2'):
331: /* FALLTHROUGH */
332: case ('I'):
333: gly = ESCAPE_FONTITALIC;
1.22 kristaps 334: break;
1.45 kristaps 335: case ('P'):
336: gly = ESCAPE_FONTPREV;
1.22 kristaps 337: break;
1.45 kristaps 338: case ('1'):
339: /* FALLTHROUGH */
340: case ('R'):
341: gly = ESCAPE_FONTROMAN;
1.1 kristaps 342: break;
343: }
1.46 kristaps 344: break;
1.45 kristaps 345: case (ESCAPE_SPECIAL):
1.65 schwarze 346: if (1 == *sz && 'c' == **start)
1.45 kristaps 347: gly = ESCAPE_NOSPACE;
1.22 kristaps 348: break;
1.1 kristaps 349: default:
1.22 kristaps 350: break;
1.1 kristaps 351: }
352:
1.45 kristaps 353: return(gly);
1.1 kristaps 354: }
1.4 kristaps 355:
356: void *
357: mandoc_calloc(size_t num, size_t size)
358: {
359: void *ptr;
360:
361: ptr = calloc(num, size);
362: if (NULL == ptr) {
1.6 kristaps 363: perror(NULL);
1.35 kristaps 364: exit((int)MANDOCLEVEL_SYSERR);
1.4 kristaps 365: }
366:
367: return(ptr);
368: }
369:
370:
371: void *
372: mandoc_malloc(size_t size)
373: {
374: void *ptr;
375:
376: ptr = malloc(size);
377: if (NULL == ptr) {
1.6 kristaps 378: perror(NULL);
1.35 kristaps 379: exit((int)MANDOCLEVEL_SYSERR);
1.4 kristaps 380: }
381:
382: return(ptr);
383: }
384:
385:
386: void *
387: mandoc_realloc(void *ptr, size_t size)
388: {
389:
390: ptr = realloc(ptr, size);
391: if (NULL == ptr) {
1.6 kristaps 392: perror(NULL);
1.35 kristaps 393: exit((int)MANDOCLEVEL_SYSERR);
1.4 kristaps 394: }
395:
396: return(ptr);
397: }
398:
1.55 kristaps 399: char *
400: mandoc_strndup(const char *ptr, size_t sz)
401: {
402: char *p;
403:
404: p = mandoc_malloc(sz + 1);
405: memcpy(p, ptr, sz);
406: p[(int)sz] = '\0';
407: return(p);
408: }
1.4 kristaps 409:
410: char *
411: mandoc_strdup(const char *ptr)
412: {
413: char *p;
414:
415: p = strdup(ptr);
416: if (NULL == p) {
1.6 kristaps 417: perror(NULL);
1.35 kristaps 418: exit((int)MANDOCLEVEL_SYSERR);
1.4 kristaps 419: }
420:
421: return(p);
1.36 schwarze 422: }
423:
424: /*
425: * Parse a quoted or unquoted roff-style request or macro argument.
426: * Return a pointer to the parsed argument, which is either the original
427: * pointer or advanced by one byte in case the argument is quoted.
1.71 schwarze 428: * NUL-terminate the argument in place.
1.36 schwarze 429: * Collapse pairs of quotes inside quoted arguments.
430: * Advance the argument pointer to the next argument,
1.71 schwarze 431: * or to the NUL byte terminating the argument line.
1.36 schwarze 432: */
433: char *
1.48 kristaps 434: mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
1.36 schwarze 435: {
436: char *start, *cp;
437: int quoted, pairs, white;
438:
439: /* Quoting can only start with a new word. */
440: start = *cpp;
1.47 kristaps 441: quoted = 0;
1.36 schwarze 442: if ('"' == *start) {
443: quoted = 1;
444: start++;
1.47 kristaps 445: }
1.36 schwarze 446:
447: pairs = 0;
448: white = 0;
449: for (cp = start; '\0' != *cp; cp++) {
1.67 schwarze 450:
451: /*
452: * Move the following text left
453: * after quoted quotes and after "\\" and "\t".
454: */
1.36 schwarze 455: if (pairs)
456: cp[-pairs] = cp[0];
1.67 schwarze 457:
1.36 schwarze 458: if ('\\' == cp[0]) {
1.67 schwarze 459: /*
460: * In copy mode, translate double to single
461: * backslashes and backslash-t to literal tabs.
462: */
463: switch (cp[1]) {
464: case ('t'):
465: cp[0] = '\t';
466: /* FALLTHROUGH */
467: case ('\\'):
1.36 schwarze 468: pairs++;
469: cp++;
1.67 schwarze 470: break;
471: case (' '):
1.36 schwarze 472: /* Skip escaped blanks. */
1.67 schwarze 473: if (0 == quoted)
474: cp++;
475: break;
476: default:
477: break;
478: }
1.36 schwarze 479: } else if (0 == quoted) {
480: if (' ' == cp[0]) {
481: /* Unescaped blanks end unquoted args. */
482: white = 1;
483: break;
484: }
485: } else if ('"' == cp[0]) {
486: if ('"' == cp[1]) {
487: /* Quoted quotes collapse. */
488: pairs++;
489: cp++;
490: } else {
491: /* Unquoted quotes end quoted args. */
492: quoted = 2;
493: break;
494: }
495: }
496: }
497:
498: /* Quoted argument without a closing quote. */
1.48 kristaps 499: if (1 == quoted)
1.42 kristaps 500: mandoc_msg(MANDOCERR_BADQUOTE, parse, ln, *pos, NULL);
1.36 schwarze 501:
1.71 schwarze 502: /* NUL-terminate this argument and move to the next one. */
1.36 schwarze 503: if (pairs)
504: cp[-pairs] = '\0';
505: if ('\0' != *cp) {
506: *cp++ = '\0';
507: while (' ' == *cp)
508: cp++;
509: }
1.39 kristaps 510: *pos += (int)(cp - start) + (quoted ? 1 : 0);
1.36 schwarze 511: *cpp = cp;
512:
1.48 kristaps 513: if ('\0' == *cp && (white || ' ' == cp[-1]))
1.42 kristaps 514: mandoc_msg(MANDOCERR_EOLNSPACE, parse, ln, *pos, NULL);
1.36 schwarze 515:
516: return(start);
1.4 kristaps 517: }
1.7 kristaps 518:
519: static int
520: a2time(time_t *t, const char *fmt, const char *p)
521: {
522: struct tm tm;
523: char *pp;
524:
525: memset(&tm, 0, sizeof(struct tm));
526:
1.56 kristaps 527: pp = NULL;
528: #ifdef HAVE_STRPTIME
1.7 kristaps 529: pp = strptime(p, fmt, &tm);
1.56 kristaps 530: #endif
1.7 kristaps 531: if (NULL != pp && '\0' == *pp) {
532: *t = mktime(&tm);
533: return(1);
534: }
535:
536: return(0);
537: }
538:
1.37 schwarze 539: static char *
540: time2a(time_t t)
541: {
1.56 kristaps 542: struct tm *tm;
1.38 schwarze 543: char *buf, *p;
544: size_t ssz;
1.37 schwarze 545: int isz;
546:
1.56 kristaps 547: tm = localtime(&t);
1.37 schwarze 548:
1.38 schwarze 549: /*
550: * Reserve space:
551: * up to 9 characters for the month (September) + blank
552: * up to 2 characters for the day + comma + blank
553: * 4 characters for the year and a terminating '\0'
554: */
555: p = buf = mandoc_malloc(10 + 4 + 4 + 1);
556:
1.56 kristaps 557: if (0 == (ssz = strftime(p, 10 + 1, "%B ", tm)))
1.38 schwarze 558: goto fail;
559: p += (int)ssz;
1.37 schwarze 560:
1.56 kristaps 561: if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday)))
1.38 schwarze 562: goto fail;
1.37 schwarze 563: p += isz;
564:
1.56 kristaps 565: if (0 == strftime(p, 4 + 1, "%Y", tm))
1.38 schwarze 566: goto fail;
567: return(buf);
568:
569: fail:
570: free(buf);
571: return(NULL);
1.37 schwarze 572: }
573:
574: char *
1.42 kristaps 575: mandoc_normdate(struct mparse *parse, char *in, int ln, int pos)
1.7 kristaps 576: {
1.37 schwarze 577: char *out;
1.7 kristaps 578: time_t t;
579:
1.37 schwarze 580: if (NULL == in || '\0' == *in ||
581: 0 == strcmp(in, "$" "Mdocdate$")) {
1.42 kristaps 582: mandoc_msg(MANDOCERR_NODATE, parse, ln, pos, NULL);
1.37 schwarze 583: time(&t);
584: }
1.62 schwarze 585: else if (a2time(&t, "%Y-%m-%d", in))
586: t = 0;
1.37 schwarze 587: else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) &&
1.62 schwarze 588: !a2time(&t, "%b %d, %Y", in)) {
1.42 kristaps 589: mandoc_msg(MANDOCERR_BADDATE, parse, ln, pos, NULL);
1.37 schwarze 590: t = 0;
1.7 kristaps 591: }
1.37 schwarze 592: out = t ? time2a(t) : NULL;
1.38 schwarze 593: return(out ? out : mandoc_strdup(in));
1.7 kristaps 594: }
595:
1.12 kristaps 596: int
1.75 ! schwarze 597: mandoc_eos(const char *p, size_t sz)
1.12 kristaps 598: {
1.75 ! schwarze 599: const char *q;
! 600: int enclosed, found;
1.12 kristaps 601:
1.13 kristaps 602: if (0 == sz)
603: return(0);
1.12 kristaps 604:
1.14 kristaps 605: /*
606: * End-of-sentence recognition must include situations where
607: * some symbols, such as `)', allow prior EOS punctuation to
1.49 kristaps 608: * propagate outward.
1.14 kristaps 609: */
610:
1.75 ! schwarze 611: enclosed = found = 0;
1.25 kristaps 612: for (q = p + (int)sz - 1; q >= p; q--) {
1.23 schwarze 613: switch (*q) {
1.14 kristaps 614: case ('\"'):
615: /* FALLTHROUGH */
616: case ('\''):
1.15 kristaps 617: /* FALLTHROUGH */
618: case (']'):
1.14 kristaps 619: /* FALLTHROUGH */
620: case (')'):
1.23 schwarze 621: if (0 == found)
622: enclosed = 1;
1.14 kristaps 623: break;
624: case ('.'):
625: /* FALLTHROUGH */
626: case ('!'):
627: /* FALLTHROUGH */
628: case ('?'):
1.23 schwarze 629: found = 1;
630: break;
1.14 kristaps 631: default:
1.27 joerg 632: return(found && (!enclosed || isalnum((unsigned char)*q)));
1.14 kristaps 633: }
1.12 kristaps 634: }
635:
1.23 schwarze 636: return(found && !enclosed);
1.44 kristaps 637: }
1.50 kristaps 638:
639: /*
640: * Convert a string to a long that may not be <0.
641: * If the string is invalid, or is less than 0, return -1.
642: */
643: int
1.54 kristaps 644: mandoc_strntoi(const char *p, size_t sz, int base)
1.50 kristaps 645: {
646: char buf[32];
647: char *ep;
648: long v;
649:
650: if (sz > 31)
651: return(-1);
652:
653: memcpy(buf, p, sz);
1.51 kristaps 654: buf[(int)sz] = '\0';
1.50 kristaps 655:
656: errno = 0;
657: v = strtol(buf, &ep, base);
658:
659: if (buf[0] == '\0' || *ep != '\0')
660: return(-1);
661:
1.54 kristaps 662: if (v > INT_MAX)
663: v = INT_MAX;
664: if (v < INT_MIN)
665: v = INT_MIN;
1.50 kristaps 666:
667: return((int)v);
668: }
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