Annotation of mandoc/mandoc.c, Revision 1.92
1.92 ! schwarze 1: /* $Id: mandoc.c,v 1.91 2015/01/21 20:33:25 schwarze Exp $ */
1.1 kristaps 2: /*
1.90 schwarze 3: * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2011-2015 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: #include "config.h"
1.7 kristaps 19:
1.2 kristaps 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
1.50 kristaps 24: #include <errno.h>
25: #include <limits.h>
1.1 kristaps 26: #include <stdlib.h>
1.4 kristaps 27: #include <stdio.h>
28: #include <string.h>
1.7 kristaps 29: #include <time.h>
1.1 kristaps 30:
1.18 kristaps 31: #include "mandoc.h"
1.76 schwarze 32: #include "mandoc_aux.h"
1.1 kristaps 33: #include "libmandoc.h"
34:
1.37 schwarze 35: #define DATESIZE 32
36:
1.18 kristaps 37: static int a2time(time_t *, const char *, const char *);
1.37 schwarze 38: static char *time2a(time_t);
1.7 kristaps 39:
1.45 kristaps 40:
41: enum mandoc_esc
1.74 schwarze 42: mandoc_escape(const char **end, const char **start, int *sz)
1.1 kristaps 43: {
1.65 schwarze 44: const char *local_start;
45: int local_sz;
46: char term;
1.79 schwarze 47: enum mandoc_esc gly;
1.45 kristaps 48:
1.65 schwarze 49: /*
50: * When the caller doesn't provide return storage,
51: * use local storage.
52: */
53:
54: if (NULL == start)
55: start = &local_start;
56: if (NULL == sz)
57: sz = &local_sz;
58:
59: /*
60: * Beyond the backslash, at least one input character
61: * is part of the escape sequence. With one exception
62: * (see below), that character won't be returned.
63: */
64:
1.45 kristaps 65: gly = ESCAPE_ERROR;
1.65 schwarze 66: *start = ++*end;
67: *sz = 0;
1.64 schwarze 68: term = '\0';
1.18 kristaps 69:
1.65 schwarze 70: switch ((*start)[-1]) {
1.45 kristaps 71: /*
72: * First the glyphs. There are several different forms of
73: * these, but each eventually returns a substring of the glyph
74: * name.
75: */
1.79 schwarze 76: case '(':
1.45 kristaps 77: gly = ESCAPE_SPECIAL;
1.65 schwarze 78: *sz = 2;
1.45 kristaps 79: break;
1.79 schwarze 80: case '[':
1.45 kristaps 81: gly = ESCAPE_SPECIAL;
82: term = ']';
83: break;
1.79 schwarze 84: case 'C':
1.65 schwarze 85: if ('\'' != **start)
1.45 kristaps 86: return(ESCAPE_ERROR);
1.65 schwarze 87: *start = ++*end;
1.87 schwarze 88: gly = ESCAPE_SPECIAL;
1.45 kristaps 89: term = '\'';
90: break;
1.72 schwarze 91:
92: /*
93: * Escapes taking no arguments at all.
94: */
1.79 schwarze 95: case 'd':
1.72 schwarze 96: /* FALLTHROUGH */
1.79 schwarze 97: case 'u':
1.72 schwarze 98: return(ESCAPE_IGNORE);
1.63 schwarze 99:
100: /*
101: * The \z escape is supposed to output the following
1.79 schwarze 102: * character without advancing the cursor position.
1.63 schwarze 103: * Since we are mostly dealing with terminal mode,
104: * let us just skip the next character.
105: */
1.79 schwarze 106: case 'z':
1.63 schwarze 107: return(ESCAPE_SKIPCHAR);
1.1 kristaps 108:
1.45 kristaps 109: /*
110: * Handle all triggers matching \X(xy, \Xx, and \X[xxxx], where
111: * 'X' is the trigger. These have opaque sub-strings.
112: */
1.79 schwarze 113: case 'F':
1.45 kristaps 114: /* FALLTHROUGH */
1.79 schwarze 115: case 'g':
1.24 kristaps 116: /* FALLTHROUGH */
1.79 schwarze 117: case 'k':
1.24 kristaps 118: /* FALLTHROUGH */
1.79 schwarze 119: case 'M':
1.24 kristaps 120: /* FALLTHROUGH */
1.79 schwarze 121: case 'm':
1.24 kristaps 122: /* FALLTHROUGH */
1.79 schwarze 123: case 'n':
1.24 kristaps 124: /* FALLTHROUGH */
1.79 schwarze 125: case 'V':
1.24 kristaps 126: /* FALLTHROUGH */
1.79 schwarze 127: case 'Y':
1.60 schwarze 128: gly = ESCAPE_IGNORE;
1.24 kristaps 129: /* FALLTHROUGH */
1.79 schwarze 130: case 'f':
1.45 kristaps 131: if (ESCAPE_ERROR == gly)
132: gly = ESCAPE_FONT;
1.65 schwarze 133: switch (**start) {
1.79 schwarze 134: case '(':
1.65 schwarze 135: *start = ++*end;
136: *sz = 2;
1.45 kristaps 137: break;
1.79 schwarze 138: case '[':
1.65 schwarze 139: *start = ++*end;
1.45 kristaps 140: term = ']';
141: break;
142: default:
1.65 schwarze 143: *sz = 1;
1.45 kristaps 144: break;
145: }
146: break;
147:
148: /*
149: * These escapes are of the form \X'Y', where 'X' is the trigger
150: * and 'Y' is any string. These have opaque sub-strings.
1.78 schwarze 151: * The \B and \w escapes are handled in roff.c, roff_res().
1.45 kristaps 152: */
1.79 schwarze 153: case 'A':
1.24 kristaps 154: /* FALLTHROUGH */
1.79 schwarze 155: case 'b':
1.24 kristaps 156: /* FALLTHROUGH */
1.79 schwarze 157: case 'D':
1.24 kristaps 158: /* FALLTHROUGH */
1.79 schwarze 159: case 'R':
1.73 schwarze 160: /* FALLTHROUGH */
1.79 schwarze 161: case 'X':
1.24 kristaps 162: /* FALLTHROUGH */
1.79 schwarze 163: case 'Z':
1.91 schwarze 164: gly = ESCAPE_IGNORE;
165: /* FALLTHROUGH */
166: case 'o':
167: if (**start == '\0')
1.45 kristaps 168: return(ESCAPE_ERROR);
1.91 schwarze 169: if (gly == ESCAPE_ERROR)
170: gly = ESCAPE_OVERSTRIKE;
1.77 schwarze 171: term = **start;
1.65 schwarze 172: *start = ++*end;
1.24 kristaps 173: break;
1.45 kristaps 174:
175: /*
176: * These escapes are of the form \X'N', where 'X' is the trigger
177: * and 'N' resolves to a numerical expression.
178: */
1.79 schwarze 179: case 'h':
1.28 kristaps 180: /* FALLTHROUGH */
1.79 schwarze 181: case 'H':
1.45 kristaps 182: /* FALLTHROUGH */
1.79 schwarze 183: case 'L':
1.45 kristaps 184: /* FALLTHROUGH */
1.79 schwarze 185: case 'l':
1.45 kristaps 186: /* FALLTHROUGH */
1.79 schwarze 187: case 'S':
1.45 kristaps 188: /* FALLTHROUGH */
1.79 schwarze 189: case 'v':
1.28 kristaps 190: /* FALLTHROUGH */
1.79 schwarze 191: case 'x':
1.82 schwarze 192: if (strchr(" %&()*+-./0123456789:<=>", **start)) {
1.86 kristaps 193: if ('\0' != **start)
194: ++*end;
1.65 schwarze 195: return(ESCAPE_ERROR);
1.82 schwarze 196: }
1.73 schwarze 197: gly = ESCAPE_IGNORE;
1.77 schwarze 198: term = **start;
1.65 schwarze 199: *start = ++*end;
1.45 kristaps 200: break;
1.60 schwarze 201:
202: /*
203: * Special handling for the numbered character escape.
204: * XXX Do any other escapes need similar handling?
205: */
1.79 schwarze 206: case 'N':
1.65 schwarze 207: if ('\0' == **start)
1.60 schwarze 208: return(ESCAPE_ERROR);
1.65 schwarze 209: (*end)++;
210: if (isdigit((unsigned char)**start)) {
211: *sz = 1;
1.60 schwarze 212: return(ESCAPE_IGNORE);
1.65 schwarze 213: }
214: (*start)++;
1.60 schwarze 215: while (isdigit((unsigned char)**end))
216: (*end)++;
1.65 schwarze 217: *sz = *end - *start;
1.60 schwarze 218: if ('\0' != **end)
219: (*end)++;
220: return(ESCAPE_NUMBERED);
1.45 kristaps 221:
1.79 schwarze 222: /*
1.45 kristaps 223: * Sizes get a special category of their own.
224: */
1.79 schwarze 225: case 's':
1.45 kristaps 226: gly = ESCAPE_IGNORE;
1.28 kristaps 227:
1.45 kristaps 228: /* See +/- counts as a sign. */
1.65 schwarze 229: if ('+' == **end || '-' == **end || ASCII_HYPH == **end)
1.90 schwarze 230: *start = ++*end;
1.8 kristaps 231:
1.65 schwarze 232: switch (**end) {
1.79 schwarze 233: case '(':
1.65 schwarze 234: *start = ++*end;
235: *sz = 2;
1.22 kristaps 236: break;
1.79 schwarze 237: case '[':
1.65 schwarze 238: *start = ++*end;
1.64 schwarze 239: term = ']';
1.22 kristaps 240: break;
1.79 schwarze 241: case '\'':
1.65 schwarze 242: *start = ++*end;
1.64 schwarze 243: term = '\'';
1.92 ! schwarze 244: break;
! 245: case '3':
! 246: /* FALLTHROUGH */
! 247: case '2':
! 248: /* FALLTHROUGH */
! 249: case '1':
! 250: *sz = (*end)[-1] == 's' &&
! 251: isdigit((unsigned char)(*end)[1]) ? 2 : 1;
1.22 kristaps 252: break;
253: default:
1.65 schwarze 254: *sz = 1;
1.22 kristaps 255: break;
1.8 kristaps 256: }
257:
1.45 kristaps 258: break;
1.33 kristaps 259:
1.45 kristaps 260: /*
261: * Anything else is assumed to be a glyph.
1.65 schwarze 262: * In this case, pass back the character after the backslash.
1.45 kristaps 263: */
264: default:
265: gly = ESCAPE_SPECIAL;
1.65 schwarze 266: *start = --*end;
267: *sz = 1;
1.22 kristaps 268: break;
1.45 kristaps 269: }
270:
271: assert(ESCAPE_ERROR != gly);
272:
273: /*
1.64 schwarze 274: * Read up to the terminating character,
275: * paying attention to nested escapes.
1.45 kristaps 276: */
277:
278: if ('\0' != term) {
1.64 schwarze 279: while (**end != term) {
280: switch (**end) {
1.79 schwarze 281: case '\0':
1.64 schwarze 282: return(ESCAPE_ERROR);
1.79 schwarze 283: case '\\':
1.64 schwarze 284: (*end)++;
285: if (ESCAPE_ERROR ==
286: mandoc_escape(end, NULL, NULL))
287: return(ESCAPE_ERROR);
288: break;
289: default:
290: (*end)++;
291: break;
292: }
293: }
1.65 schwarze 294: *sz = (*end)++ - *start;
1.64 schwarze 295: } else {
1.65 schwarze 296: assert(*sz > 0);
297: if ((size_t)*sz > strlen(*start))
1.45 kristaps 298: return(ESCAPE_ERROR);
1.65 schwarze 299: *end += *sz;
1.45 kristaps 300: }
301:
302: /* Run post-processors. */
303:
304: switch (gly) {
1.79 schwarze 305: case ESCAPE_FONT:
1.68 schwarze 306: if (2 == *sz) {
307: if ('C' == **start) {
308: /*
309: * Treat constant-width font modes
310: * just like regular font modes.
311: */
312: (*start)++;
313: (*sz)--;
314: } else {
315: if ('B' == (*start)[0] && 'I' == (*start)[1])
316: gly = ESCAPE_FONTBI;
317: break;
318: }
1.65 schwarze 319: } else if (1 != *sz)
1.45 kristaps 320: break;
1.61 kristaps 321:
1.65 schwarze 322: switch (**start) {
1.79 schwarze 323: case '3':
1.45 kristaps 324: /* FALLTHROUGH */
1.79 schwarze 325: case 'B':
1.45 kristaps 326: gly = ESCAPE_FONTBOLD;
327: break;
1.79 schwarze 328: case '2':
1.45 kristaps 329: /* FALLTHROUGH */
1.79 schwarze 330: case 'I':
1.45 kristaps 331: gly = ESCAPE_FONTITALIC;
1.22 kristaps 332: break;
1.79 schwarze 333: case 'P':
1.45 kristaps 334: gly = ESCAPE_FONTPREV;
1.22 kristaps 335: break;
1.79 schwarze 336: case '1':
1.45 kristaps 337: /* FALLTHROUGH */
1.79 schwarze 338: case 'R':
1.45 kristaps 339: gly = ESCAPE_FONTROMAN;
1.1 kristaps 340: break;
341: }
1.46 kristaps 342: break;
1.79 schwarze 343: case ESCAPE_SPECIAL:
1.65 schwarze 344: if (1 == *sz && 'c' == **start)
1.45 kristaps 345: gly = ESCAPE_NOSPACE;
1.87 schwarze 346: /*
1.88 schwarze 347: * Unicode escapes are defined in groff as \[u0000]
1.87 schwarze 348: * to \[u10FFFF], where the contained value must be
349: * a valid Unicode codepoint. Here, however, only
1.88 schwarze 350: * check the length and range.
1.87 schwarze 351: */
1.88 schwarze 352: if (**start != 'u' || *sz < 5 || *sz > 7)
353: break;
354: if (*sz == 7 && ((*start)[1] != '1' || (*start)[2] != '0'))
355: break;
356: if (*sz == 6 && (*start)[1] == '0')
357: break;
358: if ((int)strspn(*start + 1, "0123456789ABCDEFabcdef")
1.87 schwarze 359: + 1 == *sz)
360: gly = ESCAPE_UNICODE;
1.22 kristaps 361: break;
1.1 kristaps 362: default:
1.22 kristaps 363: break;
1.1 kristaps 364: }
365:
1.45 kristaps 366: return(gly);
1.36 schwarze 367: }
368:
369: /*
370: * Parse a quoted or unquoted roff-style request or macro argument.
371: * Return a pointer to the parsed argument, which is either the original
372: * pointer or advanced by one byte in case the argument is quoted.
1.71 schwarze 373: * NUL-terminate the argument in place.
1.36 schwarze 374: * Collapse pairs of quotes inside quoted arguments.
375: * Advance the argument pointer to the next argument,
1.71 schwarze 376: * or to the NUL byte terminating the argument line.
1.36 schwarze 377: */
378: char *
1.48 kristaps 379: mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
1.36 schwarze 380: {
381: char *start, *cp;
382: int quoted, pairs, white;
383:
384: /* Quoting can only start with a new word. */
385: start = *cpp;
1.47 kristaps 386: quoted = 0;
1.36 schwarze 387: if ('"' == *start) {
388: quoted = 1;
389: start++;
1.79 schwarze 390: }
1.36 schwarze 391:
392: pairs = 0;
393: white = 0;
394: for (cp = start; '\0' != *cp; cp++) {
1.67 schwarze 395:
396: /*
397: * Move the following text left
398: * after quoted quotes and after "\\" and "\t".
399: */
1.36 schwarze 400: if (pairs)
401: cp[-pairs] = cp[0];
1.67 schwarze 402:
1.36 schwarze 403: if ('\\' == cp[0]) {
1.67 schwarze 404: /*
405: * In copy mode, translate double to single
406: * backslashes and backslash-t to literal tabs.
407: */
408: switch (cp[1]) {
1.79 schwarze 409: case 't':
1.67 schwarze 410: cp[0] = '\t';
411: /* FALLTHROUGH */
1.79 schwarze 412: case '\\':
1.36 schwarze 413: pairs++;
414: cp++;
1.67 schwarze 415: break;
1.79 schwarze 416: case ' ':
1.36 schwarze 417: /* Skip escaped blanks. */
1.67 schwarze 418: if (0 == quoted)
419: cp++;
420: break;
421: default:
422: break;
423: }
1.36 schwarze 424: } else if (0 == quoted) {
425: if (' ' == cp[0]) {
426: /* Unescaped blanks end unquoted args. */
427: white = 1;
428: break;
429: }
430: } else if ('"' == cp[0]) {
431: if ('"' == cp[1]) {
432: /* Quoted quotes collapse. */
433: pairs++;
434: cp++;
435: } else {
436: /* Unquoted quotes end quoted args. */
437: quoted = 2;
438: break;
439: }
440: }
441: }
442:
443: /* Quoted argument without a closing quote. */
1.48 kristaps 444: if (1 == quoted)
1.83 schwarze 445: mandoc_msg(MANDOCERR_ARG_QUOTE, parse, ln, *pos, NULL);
1.36 schwarze 446:
1.71 schwarze 447: /* NUL-terminate this argument and move to the next one. */
1.36 schwarze 448: if (pairs)
449: cp[-pairs] = '\0';
450: if ('\0' != *cp) {
451: *cp++ = '\0';
452: while (' ' == *cp)
453: cp++;
454: }
1.39 kristaps 455: *pos += (int)(cp - start) + (quoted ? 1 : 0);
1.36 schwarze 456: *cpp = cp;
457:
1.48 kristaps 458: if ('\0' == *cp && (white || ' ' == cp[-1]))
1.83 schwarze 459: mandoc_msg(MANDOCERR_SPACE_EOL, parse, ln, *pos, NULL);
1.36 schwarze 460:
461: return(start);
1.4 kristaps 462: }
1.7 kristaps 463:
464: static int
465: a2time(time_t *t, const char *fmt, const char *p)
466: {
467: struct tm tm;
468: char *pp;
469:
470: memset(&tm, 0, sizeof(struct tm));
471:
1.56 kristaps 472: pp = NULL;
1.85 schwarze 473: #if HAVE_STRPTIME
1.7 kristaps 474: pp = strptime(p, fmt, &tm);
1.56 kristaps 475: #endif
1.7 kristaps 476: if (NULL != pp && '\0' == *pp) {
477: *t = mktime(&tm);
478: return(1);
479: }
480:
481: return(0);
482: }
483:
1.37 schwarze 484: static char *
485: time2a(time_t t)
486: {
1.56 kristaps 487: struct tm *tm;
1.38 schwarze 488: char *buf, *p;
489: size_t ssz;
1.37 schwarze 490: int isz;
491:
1.56 kristaps 492: tm = localtime(&t);
1.89 schwarze 493: if (tm == NULL)
494: return(NULL);
1.37 schwarze 495:
1.38 schwarze 496: /*
497: * Reserve space:
498: * up to 9 characters for the month (September) + blank
499: * up to 2 characters for the day + comma + blank
500: * 4 characters for the year and a terminating '\0'
501: */
502: p = buf = mandoc_malloc(10 + 4 + 4 + 1);
503:
1.56 kristaps 504: if (0 == (ssz = strftime(p, 10 + 1, "%B ", tm)))
1.38 schwarze 505: goto fail;
506: p += (int)ssz;
1.37 schwarze 507:
1.56 kristaps 508: if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday)))
1.38 schwarze 509: goto fail;
1.37 schwarze 510: p += isz;
511:
1.56 kristaps 512: if (0 == strftime(p, 4 + 1, "%Y", tm))
1.38 schwarze 513: goto fail;
514: return(buf);
515:
516: fail:
517: free(buf);
518: return(NULL);
1.37 schwarze 519: }
520:
521: char *
1.42 kristaps 522: mandoc_normdate(struct mparse *parse, char *in, int ln, int pos)
1.7 kristaps 523: {
1.37 schwarze 524: char *out;
1.7 kristaps 525: time_t t;
526:
1.37 schwarze 527: if (NULL == in || '\0' == *in ||
528: 0 == strcmp(in, "$" "Mdocdate$")) {
1.80 schwarze 529: mandoc_msg(MANDOCERR_DATE_MISSING, parse, ln, pos, NULL);
1.37 schwarze 530: time(&t);
531: }
1.62 schwarze 532: else if (a2time(&t, "%Y-%m-%d", in))
533: t = 0;
1.37 schwarze 534: else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) &&
1.62 schwarze 535: !a2time(&t, "%b %d, %Y", in)) {
1.81 schwarze 536: mandoc_msg(MANDOCERR_DATE_BAD, parse, ln, pos, in);
1.37 schwarze 537: t = 0;
1.7 kristaps 538: }
1.37 schwarze 539: out = t ? time2a(t) : NULL;
1.38 schwarze 540: return(out ? out : mandoc_strdup(in));
1.7 kristaps 541: }
542:
1.12 kristaps 543: int
1.75 schwarze 544: mandoc_eos(const char *p, size_t sz)
1.12 kristaps 545: {
1.75 schwarze 546: const char *q;
547: int enclosed, found;
1.12 kristaps 548:
1.13 kristaps 549: if (0 == sz)
550: return(0);
1.12 kristaps 551:
1.14 kristaps 552: /*
553: * End-of-sentence recognition must include situations where
554: * some symbols, such as `)', allow prior EOS punctuation to
1.49 kristaps 555: * propagate outward.
1.14 kristaps 556: */
557:
1.75 schwarze 558: enclosed = found = 0;
1.25 kristaps 559: for (q = p + (int)sz - 1; q >= p; q--) {
1.23 schwarze 560: switch (*q) {
1.79 schwarze 561: case '\"':
1.14 kristaps 562: /* FALLTHROUGH */
1.79 schwarze 563: case '\'':
1.15 kristaps 564: /* FALLTHROUGH */
1.79 schwarze 565: case ']':
1.14 kristaps 566: /* FALLTHROUGH */
1.79 schwarze 567: case ')':
1.23 schwarze 568: if (0 == found)
569: enclosed = 1;
1.14 kristaps 570: break;
1.79 schwarze 571: case '.':
1.14 kristaps 572: /* FALLTHROUGH */
1.79 schwarze 573: case '!':
1.14 kristaps 574: /* FALLTHROUGH */
1.79 schwarze 575: case '?':
1.23 schwarze 576: found = 1;
577: break;
1.14 kristaps 578: default:
1.27 joerg 579: return(found && (!enclosed || isalnum((unsigned char)*q)));
1.14 kristaps 580: }
1.12 kristaps 581: }
582:
1.23 schwarze 583: return(found && !enclosed);
1.44 kristaps 584: }
1.50 kristaps 585:
586: /*
587: * Convert a string to a long that may not be <0.
588: * If the string is invalid, or is less than 0, return -1.
589: */
590: int
1.54 kristaps 591: mandoc_strntoi(const char *p, size_t sz, int base)
1.50 kristaps 592: {
593: char buf[32];
594: char *ep;
595: long v;
596:
597: if (sz > 31)
598: return(-1);
599:
600: memcpy(buf, p, sz);
1.51 kristaps 601: buf[(int)sz] = '\0';
1.50 kristaps 602:
603: errno = 0;
604: v = strtol(buf, &ep, base);
605:
606: if (buf[0] == '\0' || *ep != '\0')
607: return(-1);
608:
1.54 kristaps 609: if (v > INT_MAX)
610: v = INT_MAX;
611: if (v < INT_MIN)
612: v = INT_MIN;
1.50 kristaps 613:
614: return((int)v);
615: }
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