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1.18 ! kristaps 1: /* $Id: read.c,v 1.17 2011/07/17 14:08:49 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
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: */
1.11 kristaps 18: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
1.15 kristaps 22: #ifdef HAVE_MMAP
23: # include <sys/stat.h>
24: # include <sys/mman.h>
25: #endif
1.1 kristaps 26:
27: #include <assert.h>
28: #include <ctype.h>
29: #include <fcntl.h>
1.3 kristaps 30: #include <stdarg.h>
1.1 kristaps 31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
34: #include <unistd.h>
35:
36: #include "mandoc.h"
1.3 kristaps 37: #include "libmandoc.h"
1.1 kristaps 38: #include "mdoc.h"
39: #include "man.h"
40:
41: #ifndef MAP_FILE
42: #define MAP_FILE 0
43: #endif
44:
45: #define REPARSE_LIMIT 1000
46:
47: struct buf {
48: char *buf; /* binary input buffer */
49: size_t sz; /* size of binary buffer */
50: };
51:
52: struct mparse {
53: enum mandoclevel file_status; /* status of current parse */
1.3 kristaps 54: enum mandoclevel wlevel; /* ignore messages below this */
1.1 kristaps 55: int line; /* line number in the file */
56: enum mparset inttype; /* which parser to use */
57: struct man *pman; /* persistent man parser */
58: struct mdoc *pmdoc; /* persistent mdoc parser */
59: struct man *man; /* man parser */
60: struct mdoc *mdoc; /* mdoc parser */
61: struct roff *roff; /* roff parser (!NULL) */
62: int reparse_count; /* finite interp. stack */
63: mandocmsg mmsg; /* warning/error message handler */
64: void *arg; /* argument to mmsg */
1.3 kristaps 65: const char *file;
1.1 kristaps 66: };
67:
68: static void resize_buf(struct buf *, size_t);
69: static void mparse_buf_r(struct mparse *, struct buf, int);
70: static void mparse_readfd_r(struct mparse *, int, const char *, int);
71: static void pset(const char *, int, struct mparse *);
72: static void pdesc(struct mparse *, const char *, int);
73: static int read_whole_file(const char *, int, struct buf *, int *);
74: static void mparse_end(struct mparse *);
75:
1.3 kristaps 76: static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = {
77: MANDOCERR_OK,
78: MANDOCERR_WARNING,
79: MANDOCERR_WARNING,
80: MANDOCERR_ERROR,
81: MANDOCERR_FATAL,
82: MANDOCERR_MAX,
83: MANDOCERR_MAX
84: };
85:
1.7 kristaps 86: static const char * const mandocerrs[MANDOCERR_MAX] = {
87: "ok",
88:
89: "generic warning",
90:
91: /* related to the prologue */
92: "no title in document",
93: "document title should be all caps",
94: "unknown manual section",
95: "date missing, using today's date",
96: "cannot parse date, using it verbatim",
97: "prologue macros out of order",
98: "duplicate prologue macro",
99: "macro not allowed in prologue",
100: "macro not allowed in body",
101:
102: /* related to document structure */
103: ".so is fragile, better use ln(1)",
104: "NAME section must come first",
105: "bad NAME section contents",
106: "manual name not yet set",
107: "sections out of conventional order",
108: "duplicate section name",
109: "section not in conventional manual section",
110:
111: /* related to macros and nesting */
112: "skipping obsolete macro",
113: "skipping paragraph macro",
114: "skipping no-space macro",
115: "blocks badly nested",
116: "child violates parent syntax",
117: "nested displays are not portable",
118: "already in literal mode",
119: "line scope broken",
120:
121: /* related to missing macro arguments */
122: "skipping empty macro",
123: "argument count wrong",
124: "missing display type",
125: "list type must come first",
126: "tag lists require a width argument",
127: "missing font type",
128: "skipping end of block that is not open",
129:
130: /* related to bad macro arguments */
131: "skipping argument",
132: "duplicate argument",
133: "duplicate display type",
134: "duplicate list type",
135: "unknown AT&T UNIX version",
136: "bad Boolean value",
137: "unknown font",
138: "unknown standard specifier",
139: "bad width argument",
140:
141: /* related to plain text */
142: "blank line in non-literal context",
143: "tab in non-literal context",
144: "end of line whitespace",
145: "bad comment style",
1.12 kristaps 146: "bad escape sequence",
1.7 kristaps 147: "unterminated quoted string",
1.16 kristaps 148:
149: /* related to equations */
150: "unexpected literal in equation",
1.7 kristaps 151:
152: "generic error",
1.17 kristaps 153:
154: /* related to equations */
155: "bad equation macro syntax",
1.7 kristaps 156:
157: /* related to tables */
158: "bad table syntax",
159: "bad table option",
160: "bad table layout",
161: "no table layout cells specified",
162: "no table data cells specified",
163: "ignore data in cell",
164: "data block still open",
165: "ignoring extra data cells",
166:
167: "input stack limit exceeded, infinite loop?",
168: "skipping bad character",
169: "escaped character not allowed in a name",
170: "skipping text before the first section header",
171: "skipping unknown macro",
172: "NOT IMPLEMENTED, please use groff: skipping request",
173: "argument count wrong",
174: "skipping end of block that is not open",
175: "missing end of block",
176: "scope open on exit",
177: "uname(3) system call failed",
178: "macro requires line argument(s)",
179: "macro requires body argument(s)",
180: "macro requires argument(s)",
181: "missing list type",
182: "line argument(s) will be lost",
183: "body argument(s) will be lost",
184:
185: "generic fatal error",
186:
187: "not a manual",
188: "column syntax is inconsistent",
189: "NOT IMPLEMENTED: .Bd -file",
190: "line scope broken, syntax violated",
191: "argument count wrong, violates syntax",
192: "child violates parent syntax",
193: "argument count wrong, violates syntax",
194: "NOT IMPLEMENTED: .so with absolute path or \"..\"",
195: "no document body",
196: "no document prologue",
197: "static buffer exhausted",
198: };
199:
200: static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
201: "SUCCESS",
202: "RESERVED",
203: "WARNING",
204: "ERROR",
205: "FATAL",
206: "BADARG",
207: "SYSERR"
208: };
209:
1.1 kristaps 210: static void
211: resize_buf(struct buf *buf, size_t initial)
212: {
213:
214: buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
215: buf->buf = mandoc_realloc(buf->buf, buf->sz);
216: }
217:
218: static void
219: pset(const char *buf, int pos, struct mparse *curp)
220: {
221: int i;
222:
223: /*
224: * Try to intuit which kind of manual parser should be used. If
225: * passed in by command-line (-man, -mdoc), then use that
226: * explicitly. If passed as -mandoc, then try to guess from the
227: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
228: * default to -man, which is more lenient.
229: *
230: * Separate out pmdoc/pman from mdoc/man: the first persists
231: * through all parsers, while the latter is used per-parse.
232: */
233:
234: if ('.' == buf[0] || '\'' == buf[0]) {
235: for (i = 1; buf[i]; i++)
236: if (' ' != buf[i] && '\t' != buf[i])
237: break;
238: if ('\0' == buf[i])
239: return;
240: }
241:
242: switch (curp->inttype) {
243: case (MPARSE_MDOC):
244: if (NULL == curp->pmdoc)
1.18 ! kristaps 245: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 kristaps 246: assert(curp->pmdoc);
247: curp->mdoc = curp->pmdoc;
248: return;
249: case (MPARSE_MAN):
250: if (NULL == curp->pman)
1.18 ! kristaps 251: curp->pman = man_alloc(curp->roff, curp);
1.1 kristaps 252: assert(curp->pman);
253: curp->man = curp->pman;
254: return;
255: default:
256: break;
257: }
258:
259: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
260: if (NULL == curp->pmdoc)
1.18 ! kristaps 261: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 kristaps 262: assert(curp->pmdoc);
263: curp->mdoc = curp->pmdoc;
264: return;
265: }
266:
267: if (NULL == curp->pman)
1.18 ! kristaps 268: curp->pman = man_alloc(curp->roff, curp);
1.1 kristaps 269: assert(curp->pman);
270: curp->man = curp->pman;
271: }
272:
273: /*
274: * Main parse routine for an opened file. This is called for each
275: * opened file and simply loops around the full input file, possibly
276: * nesting (i.e., with `so').
277: */
278: static void
279: mparse_buf_r(struct mparse *curp, struct buf blk, int start)
280: {
281: const struct tbl_span *span;
282: struct buf ln;
283: enum rofferr rr;
284: int i, of, rc;
285: int pos; /* byte number in the ln buffer */
286: int lnn; /* line number in the real file */
287: unsigned char c;
288:
289: memset(&ln, 0, sizeof(struct buf));
290:
291: lnn = curp->line;
292: pos = 0;
293:
294: for (i = 0; i < (int)blk.sz; ) {
295: if (0 == pos && '\0' == blk.buf[i])
296: break;
297:
298: if (start) {
299: curp->line = lnn;
300: curp->reparse_count = 0;
301: }
302:
303: while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
304:
305: /*
306: * When finding an unescaped newline character,
307: * leave the character loop to process the line.
308: * Skip a preceding carriage return, if any.
309: */
310:
311: if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
312: '\n' == blk.buf[i + 1])
313: ++i;
314: if ('\n' == blk.buf[i]) {
315: ++i;
316: ++lnn;
317: break;
318: }
319:
320: /*
321: * Warn about bogus characters. If you're using
322: * non-ASCII encoding, you're screwing your
323: * readers. Since I'd rather this not happen,
324: * I'll be helpful and drop these characters so
325: * we don't display gibberish. Note to manual
326: * writers: use special characters.
327: */
328:
329: c = (unsigned char) blk.buf[i];
330:
331: if ( ! (isascii(c) &&
332: (isgraph(c) || isblank(c)))) {
1.3 kristaps 333: mandoc_msg(MANDOCERR_BADCHAR, curp,
1.1 kristaps 334: curp->line, pos, "ignoring byte");
335: i++;
336: continue;
337: }
338:
339: /* Trailing backslash = a plain char. */
340:
341: if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
342: if (pos >= (int)ln.sz)
343: resize_buf(&ln, 256);
344: ln.buf[pos++] = blk.buf[i++];
345: continue;
346: }
347:
348: /*
349: * Found escape and at least one other character.
350: * When it's a newline character, skip it.
351: * When there is a carriage return in between,
352: * skip that one as well.
353: */
354:
355: if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
356: '\n' == blk.buf[i + 2])
357: ++i;
358: if ('\n' == blk.buf[i + 1]) {
359: i += 2;
360: ++lnn;
361: continue;
362: }
363:
1.13 kristaps 364: if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
1.1 kristaps 365: i += 2;
366: /* Comment, skip to end of line */
367: for (; i < (int)blk.sz; ++i) {
368: if ('\n' == blk.buf[i]) {
369: ++i;
370: ++lnn;
371: break;
372: }
373: }
374:
375: /* Backout trailing whitespaces */
376: for (; pos > 0; --pos) {
377: if (ln.buf[pos - 1] != ' ')
378: break;
379: if (pos > 2 && ln.buf[pos - 2] == '\\')
380: break;
381: }
382: break;
383: }
384:
385: /* Some other escape sequence, copy & cont. */
386:
387: if (pos + 1 >= (int)ln.sz)
388: resize_buf(&ln, 256);
389:
390: ln.buf[pos++] = blk.buf[i++];
391: ln.buf[pos++] = blk.buf[i++];
392: }
393:
394: if (pos >= (int)ln.sz)
395: resize_buf(&ln, 256);
396:
397: ln.buf[pos] = '\0';
398:
399: /*
400: * A significant amount of complexity is contained by
401: * the roff preprocessor. It's line-oriented but can be
402: * expressed on one line, so we need at times to
403: * readjust our starting point and re-run it. The roff
404: * preprocessor can also readjust the buffers with new
405: * data, so we pass them in wholesale.
406: */
407:
408: of = 0;
409:
410: rerun:
411: rr = roff_parseln
412: (curp->roff, curp->line,
413: &ln.buf, &ln.sz, of, &of);
414:
415: switch (rr) {
416: case (ROFF_REPARSE):
417: if (REPARSE_LIMIT >= ++curp->reparse_count)
418: mparse_buf_r(curp, ln, 0);
419: else
1.3 kristaps 420: mandoc_msg(MANDOCERR_ROFFLOOP, curp,
1.1 kristaps 421: curp->line, pos, NULL);
422: pos = 0;
423: continue;
424: case (ROFF_APPEND):
425: pos = (int)strlen(ln.buf);
426: continue;
427: case (ROFF_RERUN):
428: goto rerun;
429: case (ROFF_IGN):
430: pos = 0;
431: continue;
432: case (ROFF_ERR):
433: assert(MANDOCLEVEL_FATAL <= curp->file_status);
434: break;
435: case (ROFF_SO):
436: mparse_readfd_r(curp, -1, ln.buf + of, 1);
437: if (MANDOCLEVEL_FATAL <= curp->file_status)
438: break;
439: pos = 0;
440: continue;
441: default:
442: break;
443: }
444:
445: /*
446: * If we encounter errors in the recursive parse, make
447: * sure we don't continue parsing.
448: */
449:
450: if (MANDOCLEVEL_FATAL <= curp->file_status)
451: break;
452:
453: /*
454: * If input parsers have not been allocated, do so now.
1.14 kristaps 455: * We keep these instanced between parsers, but set them
1.1 kristaps 456: * locally per parse routine since we can use different
457: * parsers with each one.
458: */
459:
460: if ( ! (curp->man || curp->mdoc))
461: pset(ln.buf + of, pos - of, curp);
462:
463: /*
464: * Lastly, push down into the parsers themselves. One
465: * of these will have already been set in the pset()
466: * routine.
467: * If libroff returns ROFF_TBL, then add it to the
468: * currently open parse. Since we only get here if
469: * there does exist data (see tbl_data.c), we're
470: * guaranteed that something's been allocated.
471: * Do the same for ROFF_EQN.
472: */
473:
474: rc = -1;
475:
476: if (ROFF_TBL == rr)
477: while (NULL != (span = roff_span(curp->roff))) {
478: rc = curp->man ?
479: man_addspan(curp->man, span) :
480: mdoc_addspan(curp->mdoc, span);
481: if (0 == rc)
482: break;
483: }
484: else if (ROFF_EQN == rr)
485: rc = curp->mdoc ?
486: mdoc_addeqn(curp->mdoc,
487: roff_eqn(curp->roff)) :
488: man_addeqn(curp->man,
489: roff_eqn(curp->roff));
490: else if (curp->man || curp->mdoc)
491: rc = curp->man ?
492: man_parseln(curp->man,
493: curp->line, ln.buf, of) :
494: mdoc_parseln(curp->mdoc,
495: curp->line, ln.buf, of);
496:
497: if (0 == rc) {
498: assert(MANDOCLEVEL_FATAL <= curp->file_status);
499: break;
500: }
501:
502: /* Temporary buffers typically are not full. */
503:
504: if (0 == start && '\0' == blk.buf[i])
505: break;
506:
507: /* Start the next input line. */
508:
509: pos = 0;
510: }
511:
512: free(ln.buf);
513: }
514:
515: static void
516: pdesc(struct mparse *curp, const char *file, int fd)
517: {
518: struct buf blk;
519: int with_mmap;
520:
521: /*
522: * Run for each opened file; may be called more than once for
523: * each full parse sequence if the opened file is nested (i.e.,
524: * from `so'). Simply sucks in the whole file and moves into
525: * the parse phase for the file.
526: */
527:
528: if ( ! read_whole_file(file, fd, &blk, &with_mmap)) {
529: curp->file_status = MANDOCLEVEL_SYSERR;
530: return;
531: }
532:
533: /* Line number is per-file. */
534:
535: curp->line = 1;
536:
537: mparse_buf_r(curp, blk, 1);
538:
1.15 kristaps 539: #ifdef HAVE_MMAP
1.1 kristaps 540: if (with_mmap)
541: munmap(blk.buf, blk.sz);
542: else
1.15 kristaps 543: #endif
1.1 kristaps 544: free(blk.buf);
545: }
546:
547: static int
548: read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap)
549: {
550: size_t off;
551: ssize_t ssz;
552:
1.15 kristaps 553: #ifdef HAVE_MMAP
554: struct stat st;
1.1 kristaps 555: if (-1 == fstat(fd, &st)) {
556: perror(file);
557: return(0);
558: }
559:
560: /*
561: * If we're a regular file, try just reading in the whole entry
562: * via mmap(). This is faster than reading it into blocks, and
563: * since each file is only a few bytes to begin with, I'm not
564: * concerned that this is going to tank any machines.
565: */
566:
567: if (S_ISREG(st.st_mode)) {
568: if (st.st_size >= (1U << 31)) {
569: fprintf(stderr, "%s: input too large\n", file);
570: return(0);
571: }
572: *with_mmap = 1;
573: fb->sz = (size_t)st.st_size;
574: fb->buf = mmap(NULL, fb->sz, PROT_READ,
575: MAP_FILE|MAP_SHARED, fd, 0);
576: if (fb->buf != MAP_FAILED)
577: return(1);
578: }
1.15 kristaps 579: #endif
1.1 kristaps 580:
581: /*
582: * If this isn't a regular file (like, say, stdin), then we must
583: * go the old way and just read things in bit by bit.
584: */
585:
586: *with_mmap = 0;
587: off = 0;
588: fb->sz = 0;
589: fb->buf = NULL;
590: for (;;) {
591: if (off == fb->sz) {
592: if (fb->sz == (1U << 31)) {
593: fprintf(stderr, "%s: input too large\n", file);
594: break;
595: }
596: resize_buf(fb, 65536);
597: }
598: ssz = read(fd, fb->buf + (int)off, fb->sz - off);
599: if (ssz == 0) {
600: fb->sz = off;
601: return(1);
602: }
603: if (ssz == -1) {
604: perror(file);
605: break;
606: }
607: off += (size_t)ssz;
608: }
609:
610: free(fb->buf);
611: fb->buf = NULL;
612: return(0);
613: }
614:
615: static void
616: mparse_end(struct mparse *curp)
617: {
618:
619: if (MANDOCLEVEL_FATAL <= curp->file_status)
620: return;
621:
622: if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
623: assert(MANDOCLEVEL_FATAL <= curp->file_status);
624: return;
625: }
626:
627: if (curp->man && ! man_endparse(curp->man)) {
628: assert(MANDOCLEVEL_FATAL <= curp->file_status);
629: return;
630: }
631:
632: if ( ! (curp->man || curp->mdoc)) {
1.6 kristaps 633: mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL);
1.1 kristaps 634: curp->file_status = MANDOCLEVEL_FATAL;
1.6 kristaps 635: return;
1.1 kristaps 636: }
637:
638: roff_endparse(curp->roff);
639: }
640:
641: static void
642: mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re)
643: {
644: const char *svfile;
645:
646: if (-1 == fd)
647: if (-1 == (fd = open(file, O_RDONLY, 0))) {
648: perror(file);
649: curp->file_status = MANDOCLEVEL_SYSERR;
650: return;
651: }
652:
1.3 kristaps 653: svfile = curp->file;
654: curp->file = file;
1.1 kristaps 655:
656: pdesc(curp, file, fd);
657:
658: if (0 == re && MANDOCLEVEL_FATAL > curp->file_status)
659: mparse_end(curp);
660:
661: if (STDIN_FILENO != fd && -1 == close(fd))
662: perror(file);
663:
1.3 kristaps 664: curp->file = svfile;
1.1 kristaps 665: }
666:
667: enum mandoclevel
668: mparse_readfd(struct mparse *curp, int fd, const char *file)
669: {
670:
671: mparse_readfd_r(curp, fd, file, 0);
672: return(curp->file_status);
673: }
674:
675: struct mparse *
1.4 kristaps 676: mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg)
1.1 kristaps 677: {
678: struct mparse *curp;
1.10 kristaps 679:
680: assert(wlevel <= MANDOCLEVEL_FATAL);
1.1 kristaps 681:
682: curp = mandoc_calloc(1, sizeof(struct mparse));
683:
1.3 kristaps 684: curp->wlevel = wlevel;
1.1 kristaps 685: curp->mmsg = mmsg;
686: curp->arg = arg;
687: curp->inttype = inttype;
688:
1.18 ! kristaps 689: curp->roff = roff_alloc(curp);
1.1 kristaps 690: return(curp);
691: }
692:
693: void
694: mparse_reset(struct mparse *curp)
695: {
696:
697: roff_reset(curp->roff);
698:
699: if (curp->mdoc)
700: mdoc_reset(curp->mdoc);
701: if (curp->man)
702: man_reset(curp->man);
703:
704: curp->file_status = MANDOCLEVEL_OK;
705: curp->mdoc = NULL;
706: curp->man = NULL;
707: }
708:
709: void
710: mparse_free(struct mparse *curp)
711: {
712:
713: if (curp->pmdoc)
714: mdoc_free(curp->pmdoc);
715: if (curp->pman)
716: man_free(curp->pman);
717: if (curp->roff)
718: roff_free(curp->roff);
719:
720: free(curp);
721: }
722:
723: void
724: mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man)
725: {
726:
1.9 kristaps 727: if (mdoc)
728: *mdoc = curp->mdoc;
729: if (man)
730: *man = curp->man;
1.3 kristaps 731: }
732:
733: void
734: mandoc_vmsg(enum mandocerr t, struct mparse *m,
735: int ln, int pos, const char *fmt, ...)
736: {
737: char buf[256];
738: va_list ap;
739:
740: va_start(ap, fmt);
741: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
742: va_end(ap);
743:
744: mandoc_msg(t, m, ln, pos, buf);
745: }
746:
747: void
748: mandoc_msg(enum mandocerr er, struct mparse *m,
749: int ln, int col, const char *msg)
750: {
751: enum mandoclevel level;
752:
753: level = MANDOCLEVEL_FATAL;
754: while (er < mandoclimits[level])
755: level--;
756:
757: if (level < m->wlevel)
758: return;
759:
1.8 kristaps 760: if (m->mmsg)
761: (*m->mmsg)(er, level, m->file, ln, col, msg);
1.3 kristaps 762:
763: if (m->file_status < level)
764: m->file_status = level;
1.7 kristaps 765: }
766:
767: const char *
768: mparse_strerror(enum mandocerr er)
769: {
770:
771: return(mandocerrs[er]);
772: }
773:
774: const char *
775: mparse_strlevel(enum mandoclevel lvl)
776: {
777: return(mandoclevels[lvl]);
1.1 kristaps 778: }