Annotation of src/usr.bin/mandoc/mandoc.c, Revision 1.62
1.62 ! schwarze 1: /* $OpenBSD: mandoc.c,v 1.61 2015/08/29 22:39:59 schwarze Exp $ */
1.1 schwarze 2: /*
1.58 schwarze 3: * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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: *
1.21 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.21 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 schwarze 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: */
1.2 schwarze 18: #include <sys/types.h>
19:
1.1 schwarze 20: #include <assert.h>
21: #include <ctype.h>
1.26 schwarze 22: #include <errno.h>
23: #include <limits.h>
1.1 schwarze 24: #include <stdlib.h>
1.4 schwarze 25: #include <stdio.h>
26: #include <string.h>
1.5 schwarze 27: #include <time.h>
1.1 schwarze 28:
1.14 schwarze 29: #include "mandoc.h"
1.45 schwarze 30: #include "mandoc_aux.h"
1.1 schwarze 31: #include "libmandoc.h"
32:
1.22 schwarze 33: #define DATESIZE 32
34:
1.14 schwarze 35: static int a2time(time_t *, const char *, const char *);
1.22 schwarze 36: static char *time2a(time_t);
1.5 schwarze 37:
1.26 schwarze 38:
39: enum mandoc_esc
1.44 schwarze 40: mandoc_escape(const char **end, const char **start, int *sz)
1.26 schwarze 41: {
1.34 schwarze 42: const char *local_start;
43: int local_sz;
44: char term;
1.48 schwarze 45: enum mandoc_esc gly;
1.26 schwarze 46:
1.34 schwarze 47: /*
48: * When the caller doesn't provide return storage,
49: * use local storage.
50: */
51:
52: if (NULL == start)
53: start = &local_start;
54: if (NULL == sz)
55: sz = &local_sz;
56:
57: /*
58: * Beyond the backslash, at least one input character
59: * is part of the escape sequence. With one exception
60: * (see below), that character won't be returned.
61: */
62:
1.26 schwarze 63: gly = ESCAPE_ERROR;
1.34 schwarze 64: *start = ++*end;
65: *sz = 0;
1.33 schwarze 66: term = '\0';
1.26 schwarze 67:
1.34 schwarze 68: switch ((*start)[-1]) {
1.26 schwarze 69: /*
70: * First the glyphs. There are several different forms of
71: * these, but each eventually returns a substring of the glyph
72: * name.
73: */
1.48 schwarze 74: case '(':
1.26 schwarze 75: gly = ESCAPE_SPECIAL;
1.34 schwarze 76: *sz = 2;
1.26 schwarze 77: break;
1.48 schwarze 78: case '[':
1.26 schwarze 79: gly = ESCAPE_SPECIAL;
80: term = ']';
81: break;
1.48 schwarze 82: case 'C':
1.34 schwarze 83: if ('\'' != **start)
1.62 ! schwarze 84: return ESCAPE_ERROR;
1.34 schwarze 85: *start = ++*end;
1.54 schwarze 86: gly = ESCAPE_SPECIAL;
1.26 schwarze 87: term = '\'';
88: break;
1.41 schwarze 89:
90: /*
91: * Escapes taking no arguments at all.
92: */
1.48 schwarze 93: case 'd':
1.41 schwarze 94: /* FALLTHROUGH */
1.48 schwarze 95: case 'u':
1.61 schwarze 96: /* FALLTHROUGH */
97: case ',':
98: /* FALLTHROUGH */
99: case '/':
1.62 ! schwarze 100: return ESCAPE_IGNORE;
1.32 schwarze 101:
102: /*
103: * The \z escape is supposed to output the following
1.48 schwarze 104: * character without advancing the cursor position.
1.32 schwarze 105: * Since we are mostly dealing with terminal mode,
106: * let us just skip the next character.
107: */
1.48 schwarze 108: case 'z':
1.62 ! schwarze 109: return ESCAPE_SKIPCHAR;
1.1 schwarze 110:
1.26 schwarze 111: /*
112: * Handle all triggers matching \X(xy, \Xx, and \X[xxxx], where
113: * 'X' is the trigger. These have opaque sub-strings.
114: */
1.48 schwarze 115: case 'F':
1.16 schwarze 116: /* FALLTHROUGH */
1.48 schwarze 117: case 'g':
1.16 schwarze 118: /* FALLTHROUGH */
1.48 schwarze 119: case 'k':
1.1 schwarze 120: /* FALLTHROUGH */
1.48 schwarze 121: case 'M':
1.14 schwarze 122: /* FALLTHROUGH */
1.48 schwarze 123: case 'm':
1.1 schwarze 124: /* FALLTHROUGH */
1.48 schwarze 125: case 'n':
1.1 schwarze 126: /* FALLTHROUGH */
1.48 schwarze 127: case 'V':
1.1 schwarze 128: /* FALLTHROUGH */
1.48 schwarze 129: case 'Y':
1.29 schwarze 130: gly = ESCAPE_IGNORE;
1.1 schwarze 131: /* FALLTHROUGH */
1.48 schwarze 132: case 'f':
1.26 schwarze 133: if (ESCAPE_ERROR == gly)
134: gly = ESCAPE_FONT;
1.34 schwarze 135: switch (**start) {
1.48 schwarze 136: case '(':
1.34 schwarze 137: *start = ++*end;
138: *sz = 2;
1.26 schwarze 139: break;
1.48 schwarze 140: case '[':
1.34 schwarze 141: *start = ++*end;
1.26 schwarze 142: term = ']';
143: break;
144: default:
1.34 schwarze 145: *sz = 1;
1.26 schwarze 146: break;
147: }
148: break;
149:
150: /*
151: * These escapes are of the form \X'Y', where 'X' is the trigger
152: * and 'Y' is any string. These have opaque sub-strings.
1.47 schwarze 153: * The \B and \w escapes are handled in roff.c, roff_res().
1.26 schwarze 154: */
1.48 schwarze 155: case 'A':
1.13 schwarze 156: /* FALLTHROUGH */
1.48 schwarze 157: case 'b':
1.1 schwarze 158: /* FALLTHROUGH */
1.48 schwarze 159: case 'D':
1.1 schwarze 160: /* FALLTHROUGH */
1.48 schwarze 161: case 'R':
1.42 schwarze 162: /* FALLTHROUGH */
1.48 schwarze 163: case 'X':
1.1 schwarze 164: /* FALLTHROUGH */
1.48 schwarze 165: case 'Z':
1.59 schwarze 166: gly = ESCAPE_IGNORE;
167: /* FALLTHROUGH */
168: case 'o':
169: if (**start == '\0')
1.62 ! schwarze 170: return ESCAPE_ERROR;
1.59 schwarze 171: if (gly == ESCAPE_ERROR)
172: gly = ESCAPE_OVERSTRIKE;
1.46 schwarze 173: term = **start;
1.34 schwarze 174: *start = ++*end;
1.16 schwarze 175: break;
1.26 schwarze 176:
177: /*
178: * These escapes are of the form \X'N', where 'X' is the trigger
179: * and 'N' resolves to a numerical expression.
180: */
1.48 schwarze 181: case 'h':
1.17 schwarze 182: /* FALLTHROUGH */
1.48 schwarze 183: case 'H':
1.26 schwarze 184: /* FALLTHROUGH */
1.48 schwarze 185: case 'L':
1.26 schwarze 186: /* FALLTHROUGH */
1.48 schwarze 187: case 'l':
1.26 schwarze 188: /* FALLTHROUGH */
1.48 schwarze 189: case 'S':
1.26 schwarze 190: /* FALLTHROUGH */
1.48 schwarze 191: case 'v':
1.17 schwarze 192: /* FALLTHROUGH */
1.48 schwarze 193: case 'x':
1.51 schwarze 194: if (strchr(" %&()*+-./0123456789:<=>", **start)) {
1.53 schwarze 195: if ('\0' != **start)
196: ++*end;
1.62 ! schwarze 197: return ESCAPE_ERROR;
1.51 schwarze 198: }
1.42 schwarze 199: gly = ESCAPE_IGNORE;
1.46 schwarze 200: term = **start;
1.34 schwarze 201: *start = ++*end;
1.26 schwarze 202: break;
1.29 schwarze 203:
204: /*
205: * Special handling for the numbered character escape.
206: * XXX Do any other escapes need similar handling?
207: */
1.48 schwarze 208: case 'N':
1.34 schwarze 209: if ('\0' == **start)
1.62 ! schwarze 210: return ESCAPE_ERROR;
1.34 schwarze 211: (*end)++;
212: if (isdigit((unsigned char)**start)) {
213: *sz = 1;
1.62 ! schwarze 214: return ESCAPE_IGNORE;
1.34 schwarze 215: }
216: (*start)++;
1.29 schwarze 217: while (isdigit((unsigned char)**end))
218: (*end)++;
1.34 schwarze 219: *sz = *end - *start;
1.29 schwarze 220: if ('\0' != **end)
221: (*end)++;
1.62 ! schwarze 222: return ESCAPE_NUMBERED;
1.26 schwarze 223:
1.48 schwarze 224: /*
1.26 schwarze 225: * Sizes get a special category of their own.
226: */
1.48 schwarze 227: case 's':
1.26 schwarze 228: gly = ESCAPE_IGNORE;
1.17 schwarze 229:
1.26 schwarze 230: /* See +/- counts as a sign. */
1.34 schwarze 231: if ('+' == **end || '-' == **end || ASCII_HYPH == **end)
1.58 schwarze 232: *start = ++*end;
1.6 schwarze 233:
1.34 schwarze 234: switch (**end) {
1.48 schwarze 235: case '(':
1.34 schwarze 236: *start = ++*end;
237: *sz = 2;
1.16 schwarze 238: break;
1.48 schwarze 239: case '[':
1.34 schwarze 240: *start = ++*end;
1.33 schwarze 241: term = ']';
1.16 schwarze 242: break;
1.48 schwarze 243: case '\'':
1.34 schwarze 244: *start = ++*end;
1.33 schwarze 245: term = '\'';
1.60 schwarze 246: break;
247: case '3':
248: /* FALLTHROUGH */
249: case '2':
250: /* FALLTHROUGH */
251: case '1':
252: *sz = (*end)[-1] == 's' &&
253: isdigit((unsigned char)(*end)[1]) ? 2 : 1;
1.16 schwarze 254: break;
255: default:
1.34 schwarze 256: *sz = 1;
1.16 schwarze 257: break;
1.6 schwarze 258: }
259:
1.26 schwarze 260: break;
261:
262: /*
263: * Anything else is assumed to be a glyph.
1.34 schwarze 264: * In this case, pass back the character after the backslash.
1.26 schwarze 265: */
266: default:
267: gly = ESCAPE_SPECIAL;
1.34 schwarze 268: *start = --*end;
269: *sz = 1;
1.26 schwarze 270: break;
271: }
272:
273: assert(ESCAPE_ERROR != gly);
274:
275: /*
1.33 schwarze 276: * Read up to the terminating character,
277: * paying attention to nested escapes.
1.26 schwarze 278: */
279:
280: if ('\0' != term) {
1.33 schwarze 281: while (**end != term) {
282: switch (**end) {
1.48 schwarze 283: case '\0':
1.62 ! schwarze 284: return ESCAPE_ERROR;
1.48 schwarze 285: case '\\':
1.33 schwarze 286: (*end)++;
287: if (ESCAPE_ERROR ==
288: mandoc_escape(end, NULL, NULL))
1.62 ! schwarze 289: return ESCAPE_ERROR;
1.33 schwarze 290: break;
291: default:
292: (*end)++;
293: break;
294: }
295: }
1.34 schwarze 296: *sz = (*end)++ - *start;
1.33 schwarze 297: } else {
1.34 schwarze 298: assert(*sz > 0);
299: if ((size_t)*sz > strlen(*start))
1.62 ! schwarze 300: return ESCAPE_ERROR;
1.34 schwarze 301: *end += *sz;
1.26 schwarze 302: }
1.19 schwarze 303:
1.26 schwarze 304: /* Run post-processors. */
1.19 schwarze 305:
1.26 schwarze 306: switch (gly) {
1.48 schwarze 307: case ESCAPE_FONT:
1.37 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: }
1.34 schwarze 321: } else if (1 != *sz)
1.26 schwarze 322: break;
1.30 schwarze 323:
1.34 schwarze 324: switch (**start) {
1.48 schwarze 325: case '3':
1.26 schwarze 326: /* FALLTHROUGH */
1.48 schwarze 327: case 'B':
1.26 schwarze 328: gly = ESCAPE_FONTBOLD;
329: break;
1.48 schwarze 330: case '2':
1.26 schwarze 331: /* FALLTHROUGH */
1.48 schwarze 332: case 'I':
1.26 schwarze 333: gly = ESCAPE_FONTITALIC;
1.16 schwarze 334: break;
1.48 schwarze 335: case 'P':
1.26 schwarze 336: gly = ESCAPE_FONTPREV;
1.16 schwarze 337: break;
1.48 schwarze 338: case '1':
1.26 schwarze 339: /* FALLTHROUGH */
1.48 schwarze 340: case 'R':
1.26 schwarze 341: gly = ESCAPE_FONTROMAN;
1.1 schwarze 342: break;
343: }
1.16 schwarze 344: break;
1.48 schwarze 345: case ESCAPE_SPECIAL:
1.34 schwarze 346: if (1 == *sz && 'c' == **start)
1.26 schwarze 347: gly = ESCAPE_NOSPACE;
1.54 schwarze 348: /*
1.55 schwarze 349: * Unicode escapes are defined in groff as \[u0000]
1.54 schwarze 350: * to \[u10FFFF], where the contained value must be
351: * a valid Unicode codepoint. Here, however, only
1.55 schwarze 352: * check the length and range.
1.54 schwarze 353: */
1.55 schwarze 354: if (**start != 'u' || *sz < 5 || *sz > 7)
355: break;
356: if (*sz == 7 && ((*start)[1] != '1' || (*start)[2] != '0'))
357: break;
358: if (*sz == 6 && (*start)[1] == '0')
359: break;
360: if ((int)strspn(*start + 1, "0123456789ABCDEFabcdef")
1.54 schwarze 361: + 1 == *sz)
362: gly = ESCAPE_UNICODE;
1.16 schwarze 363: break;
1.1 schwarze 364: default:
1.16 schwarze 365: break;
1.1 schwarze 366: }
367:
1.62 ! schwarze 368: return gly;
1.21 schwarze 369: }
370:
371: /*
372: * Parse a quoted or unquoted roff-style request or macro argument.
373: * Return a pointer to the parsed argument, which is either the original
374: * pointer or advanced by one byte in case the argument is quoted.
1.40 schwarze 375: * NUL-terminate the argument in place.
1.21 schwarze 376: * Collapse pairs of quotes inside quoted arguments.
377: * Advance the argument pointer to the next argument,
1.40 schwarze 378: * or to the NUL byte terminating the argument line.
1.21 schwarze 379: */
380: char *
1.25 schwarze 381: mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
1.21 schwarze 382: {
383: char *start, *cp;
384: int quoted, pairs, white;
385:
386: /* Quoting can only start with a new word. */
387: start = *cpp;
1.26 schwarze 388: quoted = 0;
1.21 schwarze 389: if ('"' == *start) {
390: quoted = 1;
391: start++;
1.48 schwarze 392: }
1.21 schwarze 393:
394: pairs = 0;
395: white = 0;
396: for (cp = start; '\0' != *cp; cp++) {
1.36 schwarze 397:
398: /*
399: * Move the following text left
400: * after quoted quotes and after "\\" and "\t".
401: */
1.21 schwarze 402: if (pairs)
403: cp[-pairs] = cp[0];
1.36 schwarze 404:
1.21 schwarze 405: if ('\\' == cp[0]) {
1.36 schwarze 406: /*
407: * In copy mode, translate double to single
408: * backslashes and backslash-t to literal tabs.
409: */
410: switch (cp[1]) {
1.48 schwarze 411: case 't':
1.36 schwarze 412: cp[0] = '\t';
413: /* FALLTHROUGH */
1.48 schwarze 414: case '\\':
1.21 schwarze 415: pairs++;
416: cp++;
1.36 schwarze 417: break;
1.48 schwarze 418: case ' ':
1.21 schwarze 419: /* Skip escaped blanks. */
1.36 schwarze 420: if (0 == quoted)
421: cp++;
422: break;
423: default:
424: break;
425: }
1.21 schwarze 426: } else if (0 == quoted) {
427: if (' ' == cp[0]) {
428: /* Unescaped blanks end unquoted args. */
429: white = 1;
430: break;
431: }
432: } else if ('"' == cp[0]) {
433: if ('"' == cp[1]) {
434: /* Quoted quotes collapse. */
435: pairs++;
436: cp++;
437: } else {
438: /* Unquoted quotes end quoted args. */
439: quoted = 2;
440: break;
441: }
442: }
443: }
444:
445: /* Quoted argument without a closing quote. */
1.25 schwarze 446: if (1 == quoted)
1.52 schwarze 447: mandoc_msg(MANDOCERR_ARG_QUOTE, parse, ln, *pos, NULL);
1.21 schwarze 448:
1.40 schwarze 449: /* NUL-terminate this argument and move to the next one. */
1.21 schwarze 450: if (pairs)
451: cp[-pairs] = '\0';
452: if ('\0' != *cp) {
453: *cp++ = '\0';
454: while (' ' == *cp)
455: cp++;
456: }
1.24 schwarze 457: *pos += (int)(cp - start) + (quoted ? 1 : 0);
1.21 schwarze 458: *cpp = cp;
459:
1.25 schwarze 460: if ('\0' == *cp && (white || ' ' == cp[-1]))
1.52 schwarze 461: mandoc_msg(MANDOCERR_SPACE_EOL, parse, ln, *pos, NULL);
1.21 schwarze 462:
1.62 ! schwarze 463: return start;
1.4 schwarze 464: }
1.5 schwarze 465:
466: static int
467: a2time(time_t *t, const char *fmt, const char *p)
468: {
469: struct tm tm;
470: char *pp;
471:
472: memset(&tm, 0, sizeof(struct tm));
473:
474: pp = strptime(p, fmt, &tm);
475: if (NULL != pp && '\0' == *pp) {
476: *t = mktime(&tm);
1.62 ! schwarze 477: return 1;
1.5 schwarze 478: }
479:
1.62 ! schwarze 480: return 0;
1.5 schwarze 481: }
482:
1.22 schwarze 483: static char *
484: time2a(time_t t)
485: {
1.28 schwarze 486: struct tm *tm;
1.23 schwarze 487: char *buf, *p;
488: size_t ssz;
1.22 schwarze 489: int isz;
490:
1.28 schwarze 491: tm = localtime(&t);
1.57 schwarze 492: if (tm == NULL)
1.62 ! schwarze 493: return NULL;
1.22 schwarze 494:
1.23 schwarze 495: /*
496: * Reserve space:
497: * up to 9 characters for the month (September) + blank
498: * up to 2 characters for the day + comma + blank
499: * 4 characters for the year and a terminating '\0'
500: */
501: p = buf = mandoc_malloc(10 + 4 + 4 + 1);
502:
1.28 schwarze 503: if (0 == (ssz = strftime(p, 10 + 1, "%B ", tm)))
1.23 schwarze 504: goto fail;
505: p += (int)ssz;
1.22 schwarze 506:
1.28 schwarze 507: if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday)))
1.23 schwarze 508: goto fail;
1.22 schwarze 509: p += isz;
510:
1.28 schwarze 511: if (0 == strftime(p, 4 + 1, "%Y", tm))
1.23 schwarze 512: goto fail;
1.62 ! schwarze 513: return buf;
1.23 schwarze 514:
515: fail:
516: free(buf);
1.62 ! schwarze 517: return NULL;
1.22 schwarze 518: }
519:
520: char *
1.25 schwarze 521: mandoc_normdate(struct mparse *parse, char *in, int ln, int pos)
1.5 schwarze 522: {
1.22 schwarze 523: char *out;
1.5 schwarze 524: time_t t;
525:
1.22 schwarze 526: if (NULL == in || '\0' == *in ||
527: 0 == strcmp(in, "$" "Mdocdate$")) {
1.49 schwarze 528: mandoc_msg(MANDOCERR_DATE_MISSING, parse, ln, pos, NULL);
1.22 schwarze 529: time(&t);
530: }
1.31 schwarze 531: else if (a2time(&t, "%Y-%m-%d", in))
532: t = 0;
1.22 schwarze 533: else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) &&
1.31 schwarze 534: !a2time(&t, "%b %d, %Y", in)) {
1.50 schwarze 535: mandoc_msg(MANDOCERR_DATE_BAD, parse, ln, pos, in);
1.22 schwarze 536: t = 0;
1.5 schwarze 537: }
1.22 schwarze 538: out = t ? time2a(t) : NULL;
1.62 ! schwarze 539: return out ? out : mandoc_strdup(in);
1.5 schwarze 540: }
541:
1.9 schwarze 542: int
1.43 schwarze 543: mandoc_eos(const char *p, size_t sz)
1.9 schwarze 544: {
1.43 schwarze 545: const char *q;
546: int enclosed, found;
1.9 schwarze 547:
1.10 schwarze 548: if (0 == sz)
1.62 ! schwarze 549: return 0;
1.9 schwarze 550:
1.11 schwarze 551: /*
552: * End-of-sentence recognition must include situations where
553: * some symbols, such as `)', allow prior EOS punctuation to
1.26 schwarze 554: * propagate outward.
1.11 schwarze 555: */
556:
1.43 schwarze 557: enclosed = found = 0;
1.16 schwarze 558: for (q = p + (int)sz - 1; q >= p; q--) {
1.15 schwarze 559: switch (*q) {
1.48 schwarze 560: case '\"':
1.11 schwarze 561: /* FALLTHROUGH */
1.48 schwarze 562: case '\'':
1.11 schwarze 563: /* FALLTHROUGH */
1.48 schwarze 564: case ']':
1.11 schwarze 565: /* FALLTHROUGH */
1.48 schwarze 566: case ')':
1.15 schwarze 567: if (0 == found)
568: enclosed = 1;
1.11 schwarze 569: break;
1.48 schwarze 570: case '.':
1.11 schwarze 571: /* FALLTHROUGH */
1.48 schwarze 572: case '!':
1.11 schwarze 573: /* FALLTHROUGH */
1.48 schwarze 574: case '?':
1.15 schwarze 575: found = 1;
576: break;
1.11 schwarze 577: default:
1.62 ! schwarze 578: return found &&
! 579: (!enclosed || isalnum((unsigned char)*q));
1.11 schwarze 580: }
1.9 schwarze 581: }
582:
1.62 ! schwarze 583: return found && !enclosed;
1.9 schwarze 584: }
1.26 schwarze 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
1.27 schwarze 591: mandoc_strntoi(const char *p, size_t sz, int base)
1.26 schwarze 592: {
593: char buf[32];
594: char *ep;
595: long v;
596:
597: if (sz > 31)
1.62 ! schwarze 598: return -1;
1.26 schwarze 599:
600: memcpy(buf, p, sz);
601: buf[(int)sz] = '\0';
602:
603: errno = 0;
604: v = strtol(buf, &ep, base);
605:
606: if (buf[0] == '\0' || *ep != '\0')
1.62 ! schwarze 607: return -1;
1.26 schwarze 608:
1.27 schwarze 609: if (v > INT_MAX)
610: v = INT_MAX;
611: if (v < INT_MIN)
612: v = INT_MIN;
1.26 schwarze 613:
1.62 ! schwarze 614: return (int)v;
1.26 schwarze 615: }
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