Annotation of mandoc/read.c, Revision 1.15
1.15 ! kristaps 1: /* $Id: read.c,v 1.14 2011/04/30 10:18:24 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: struct regset regs; /* roff registers */
63: int reparse_count; /* finite interp. stack */
64: mandocmsg mmsg; /* warning/error message handler */
65: void *arg; /* argument to mmsg */
1.3 kristaps 66: const char *file;
1.1 kristaps 67: };
68:
69: static void resize_buf(struct buf *, size_t);
70: static void mparse_buf_r(struct mparse *, struct buf, int);
71: static void mparse_readfd_r(struct mparse *, int, const char *, int);
72: static void pset(const char *, int, struct mparse *);
73: static void pdesc(struct mparse *, const char *, int);
74: static int read_whole_file(const char *, int, struct buf *, int *);
75: static void mparse_end(struct mparse *);
76:
1.3 kristaps 77: static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = {
78: MANDOCERR_OK,
79: MANDOCERR_WARNING,
80: MANDOCERR_WARNING,
81: MANDOCERR_ERROR,
82: MANDOCERR_FATAL,
83: MANDOCERR_MAX,
84: MANDOCERR_MAX
85: };
86:
1.7 kristaps 87: static const char * const mandocerrs[MANDOCERR_MAX] = {
88: "ok",
89:
90: "generic warning",
91:
92: /* related to the prologue */
93: "no title in document",
94: "document title should be all caps",
95: "unknown manual section",
96: "date missing, using today's date",
97: "cannot parse date, using it verbatim",
98: "prologue macros out of order",
99: "duplicate prologue macro",
100: "macro not allowed in prologue",
101: "macro not allowed in body",
102:
103: /* related to document structure */
104: ".so is fragile, better use ln(1)",
105: "NAME section must come first",
106: "bad NAME section contents",
107: "manual name not yet set",
108: "sections out of conventional order",
109: "duplicate section name",
110: "section not in conventional manual section",
111:
112: /* related to macros and nesting */
113: "skipping obsolete macro",
114: "skipping paragraph macro",
115: "skipping no-space macro",
116: "blocks badly nested",
117: "child violates parent syntax",
118: "nested displays are not portable",
119: "already in literal mode",
120: "line scope broken",
121:
122: /* related to missing macro arguments */
123: "skipping empty macro",
124: "argument count wrong",
125: "missing display type",
126: "list type must come first",
127: "tag lists require a width argument",
128: "missing font type",
129: "skipping end of block that is not open",
130:
131: /* related to bad macro arguments */
132: "skipping argument",
133: "duplicate argument",
134: "duplicate display type",
135: "duplicate list type",
136: "unknown AT&T UNIX version",
137: "bad Boolean value",
138: "unknown font",
139: "unknown standard specifier",
140: "bad width argument",
141:
142: /* related to plain text */
143: "blank line in non-literal context",
144: "tab in non-literal context",
145: "end of line whitespace",
146: "bad comment style",
1.12 kristaps 147: "bad escape sequence",
1.7 kristaps 148: "unterminated quoted string",
149:
150: "generic error",
151:
152: /* related to tables */
153: "bad table syntax",
154: "bad table option",
155: "bad table layout",
156: "no table layout cells specified",
157: "no table data cells specified",
158: "ignore data in cell",
159: "data block still open",
160: "ignoring extra data cells",
161:
162: "input stack limit exceeded, infinite loop?",
163: "skipping bad character",
164: "escaped character not allowed in a name",
165: "skipping text before the first section header",
166: "skipping unknown macro",
167: "NOT IMPLEMENTED, please use groff: skipping request",
168: "argument count wrong",
169: "skipping end of block that is not open",
170: "missing end of block",
171: "scope open on exit",
172: "uname(3) system call failed",
173: "macro requires line argument(s)",
174: "macro requires body argument(s)",
175: "macro requires argument(s)",
176: "missing list type",
177: "line argument(s) will be lost",
178: "body argument(s) will be lost",
179:
180: "generic fatal error",
181:
182: "not a manual",
183: "column syntax is inconsistent",
184: "NOT IMPLEMENTED: .Bd -file",
185: "line scope broken, syntax violated",
186: "argument count wrong, violates syntax",
187: "child violates parent syntax",
188: "argument count wrong, violates syntax",
189: "NOT IMPLEMENTED: .so with absolute path or \"..\"",
190: "no document body",
191: "no document prologue",
192: "static buffer exhausted",
193: };
194:
195: static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
196: "SUCCESS",
197: "RESERVED",
198: "WARNING",
199: "ERROR",
200: "FATAL",
201: "BADARG",
202: "SYSERR"
203: };
204:
1.1 kristaps 205: static void
206: resize_buf(struct buf *buf, size_t initial)
207: {
208:
209: buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
210: buf->buf = mandoc_realloc(buf->buf, buf->sz);
211: }
212:
213: static void
214: pset(const char *buf, int pos, struct mparse *curp)
215: {
216: int i;
217:
218: /*
219: * Try to intuit which kind of manual parser should be used. If
220: * passed in by command-line (-man, -mdoc), then use that
221: * explicitly. If passed as -mandoc, then try to guess from the
222: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
223: * default to -man, which is more lenient.
224: *
225: * Separate out pmdoc/pman from mdoc/man: the first persists
226: * through all parsers, while the latter is used per-parse.
227: */
228:
229: if ('.' == buf[0] || '\'' == buf[0]) {
230: for (i = 1; buf[i]; i++)
231: if (' ' != buf[i] && '\t' != buf[i])
232: break;
233: if ('\0' == buf[i])
234: return;
235: }
236:
237: switch (curp->inttype) {
238: case (MPARSE_MDOC):
239: if (NULL == curp->pmdoc)
1.3 kristaps 240: curp->pmdoc = mdoc_alloc(&curp->regs, curp);
1.1 kristaps 241: assert(curp->pmdoc);
242: curp->mdoc = curp->pmdoc;
243: return;
244: case (MPARSE_MAN):
245: if (NULL == curp->pman)
1.3 kristaps 246: curp->pman = man_alloc(&curp->regs, curp);
1.1 kristaps 247: assert(curp->pman);
248: curp->man = curp->pman;
249: return;
250: default:
251: break;
252: }
253:
254: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
255: if (NULL == curp->pmdoc)
1.3 kristaps 256: curp->pmdoc = mdoc_alloc(&curp->regs, curp);
1.1 kristaps 257: assert(curp->pmdoc);
258: curp->mdoc = curp->pmdoc;
259: return;
260: }
261:
262: if (NULL == curp->pman)
1.3 kristaps 263: curp->pman = man_alloc(&curp->regs, curp);
1.1 kristaps 264: assert(curp->pman);
265: curp->man = curp->pman;
266: }
267:
268: /*
269: * Main parse routine for an opened file. This is called for each
270: * opened file and simply loops around the full input file, possibly
271: * nesting (i.e., with `so').
272: */
273: static void
274: mparse_buf_r(struct mparse *curp, struct buf blk, int start)
275: {
276: const struct tbl_span *span;
277: struct buf ln;
278: enum rofferr rr;
279: int i, of, rc;
280: int pos; /* byte number in the ln buffer */
281: int lnn; /* line number in the real file */
282: unsigned char c;
283:
284: memset(&ln, 0, sizeof(struct buf));
285:
286: lnn = curp->line;
287: pos = 0;
288:
289: for (i = 0; i < (int)blk.sz; ) {
290: if (0 == pos && '\0' == blk.buf[i])
291: break;
292:
293: if (start) {
294: curp->line = lnn;
295: curp->reparse_count = 0;
296: }
297:
298: while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
299:
300: /*
301: * When finding an unescaped newline character,
302: * leave the character loop to process the line.
303: * Skip a preceding carriage return, if any.
304: */
305:
306: if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
307: '\n' == blk.buf[i + 1])
308: ++i;
309: if ('\n' == blk.buf[i]) {
310: ++i;
311: ++lnn;
312: break;
313: }
314:
315: /*
316: * Warn about bogus characters. If you're using
317: * non-ASCII encoding, you're screwing your
318: * readers. Since I'd rather this not happen,
319: * I'll be helpful and drop these characters so
320: * we don't display gibberish. Note to manual
321: * writers: use special characters.
322: */
323:
324: c = (unsigned char) blk.buf[i];
325:
326: if ( ! (isascii(c) &&
327: (isgraph(c) || isblank(c)))) {
1.3 kristaps 328: mandoc_msg(MANDOCERR_BADCHAR, curp,
1.1 kristaps 329: curp->line, pos, "ignoring byte");
330: i++;
331: continue;
332: }
333:
334: /* Trailing backslash = a plain char. */
335:
336: if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
337: if (pos >= (int)ln.sz)
338: resize_buf(&ln, 256);
339: ln.buf[pos++] = blk.buf[i++];
340: continue;
341: }
342:
343: /*
344: * Found escape and at least one other character.
345: * When it's a newline character, skip it.
346: * When there is a carriage return in between,
347: * skip that one as well.
348: */
349:
350: if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
351: '\n' == blk.buf[i + 2])
352: ++i;
353: if ('\n' == blk.buf[i + 1]) {
354: i += 2;
355: ++lnn;
356: continue;
357: }
358:
1.13 kristaps 359: if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
1.1 kristaps 360: i += 2;
361: /* Comment, skip to end of line */
362: for (; i < (int)blk.sz; ++i) {
363: if ('\n' == blk.buf[i]) {
364: ++i;
365: ++lnn;
366: break;
367: }
368: }
369:
370: /* Backout trailing whitespaces */
371: for (; pos > 0; --pos) {
372: if (ln.buf[pos - 1] != ' ')
373: break;
374: if (pos > 2 && ln.buf[pos - 2] == '\\')
375: break;
376: }
377: break;
378: }
379:
380: /* Some other escape sequence, copy & cont. */
381:
382: if (pos + 1 >= (int)ln.sz)
383: resize_buf(&ln, 256);
384:
385: ln.buf[pos++] = blk.buf[i++];
386: ln.buf[pos++] = blk.buf[i++];
387: }
388:
389: if (pos >= (int)ln.sz)
390: resize_buf(&ln, 256);
391:
392: ln.buf[pos] = '\0';
393:
394: /*
395: * A significant amount of complexity is contained by
396: * the roff preprocessor. It's line-oriented but can be
397: * expressed on one line, so we need at times to
398: * readjust our starting point and re-run it. The roff
399: * preprocessor can also readjust the buffers with new
400: * data, so we pass them in wholesale.
401: */
402:
403: of = 0;
404:
405: rerun:
406: rr = roff_parseln
407: (curp->roff, curp->line,
408: &ln.buf, &ln.sz, of, &of);
409:
410: switch (rr) {
411: case (ROFF_REPARSE):
412: if (REPARSE_LIMIT >= ++curp->reparse_count)
413: mparse_buf_r(curp, ln, 0);
414: else
1.3 kristaps 415: mandoc_msg(MANDOCERR_ROFFLOOP, curp,
1.1 kristaps 416: curp->line, pos, NULL);
417: pos = 0;
418: continue;
419: case (ROFF_APPEND):
420: pos = (int)strlen(ln.buf);
421: continue;
422: case (ROFF_RERUN):
423: goto rerun;
424: case (ROFF_IGN):
425: pos = 0;
426: continue;
427: case (ROFF_ERR):
428: assert(MANDOCLEVEL_FATAL <= curp->file_status);
429: break;
430: case (ROFF_SO):
431: mparse_readfd_r(curp, -1, ln.buf + of, 1);
432: if (MANDOCLEVEL_FATAL <= curp->file_status)
433: break;
434: pos = 0;
435: continue;
436: default:
437: break;
438: }
439:
440: /*
441: * If we encounter errors in the recursive parse, make
442: * sure we don't continue parsing.
443: */
444:
445: if (MANDOCLEVEL_FATAL <= curp->file_status)
446: break;
447:
448: /*
449: * If input parsers have not been allocated, do so now.
1.14 kristaps 450: * We keep these instanced between parsers, but set them
1.1 kristaps 451: * locally per parse routine since we can use different
452: * parsers with each one.
453: */
454:
455: if ( ! (curp->man || curp->mdoc))
456: pset(ln.buf + of, pos - of, curp);
457:
458: /*
459: * Lastly, push down into the parsers themselves. One
460: * of these will have already been set in the pset()
461: * routine.
462: * If libroff returns ROFF_TBL, then add it to the
463: * currently open parse. Since we only get here if
464: * there does exist data (see tbl_data.c), we're
465: * guaranteed that something's been allocated.
466: * Do the same for ROFF_EQN.
467: */
468:
469: rc = -1;
470:
471: if (ROFF_TBL == rr)
472: while (NULL != (span = roff_span(curp->roff))) {
473: rc = curp->man ?
474: man_addspan(curp->man, span) :
475: mdoc_addspan(curp->mdoc, span);
476: if (0 == rc)
477: break;
478: }
479: else if (ROFF_EQN == rr)
480: rc = curp->mdoc ?
481: mdoc_addeqn(curp->mdoc,
482: roff_eqn(curp->roff)) :
483: man_addeqn(curp->man,
484: roff_eqn(curp->roff));
485: else if (curp->man || curp->mdoc)
486: rc = curp->man ?
487: man_parseln(curp->man,
488: curp->line, ln.buf, of) :
489: mdoc_parseln(curp->mdoc,
490: curp->line, ln.buf, of);
491:
492: if (0 == rc) {
493: assert(MANDOCLEVEL_FATAL <= curp->file_status);
494: break;
495: }
496:
497: /* Temporary buffers typically are not full. */
498:
499: if (0 == start && '\0' == blk.buf[i])
500: break;
501:
502: /* Start the next input line. */
503:
504: pos = 0;
505: }
506:
507: free(ln.buf);
508: }
509:
510: static void
511: pdesc(struct mparse *curp, const char *file, int fd)
512: {
513: struct buf blk;
514: int with_mmap;
515:
516: /*
517: * Run for each opened file; may be called more than once for
518: * each full parse sequence if the opened file is nested (i.e.,
519: * from `so'). Simply sucks in the whole file and moves into
520: * the parse phase for the file.
521: */
522:
523: if ( ! read_whole_file(file, fd, &blk, &with_mmap)) {
524: curp->file_status = MANDOCLEVEL_SYSERR;
525: return;
526: }
527:
528: /* Line number is per-file. */
529:
530: curp->line = 1;
531:
532: mparse_buf_r(curp, blk, 1);
533:
1.15 ! kristaps 534: #ifdef HAVE_MMAP
1.1 kristaps 535: if (with_mmap)
536: munmap(blk.buf, blk.sz);
537: else
1.15 ! kristaps 538: #endif
1.1 kristaps 539: free(blk.buf);
540: }
541:
542: static int
543: read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap)
544: {
545: size_t off;
546: ssize_t ssz;
547:
1.15 ! kristaps 548: #ifdef HAVE_MMAP
! 549: struct stat st;
1.1 kristaps 550: if (-1 == fstat(fd, &st)) {
551: perror(file);
552: return(0);
553: }
554:
555: /*
556: * If we're a regular file, try just reading in the whole entry
557: * via mmap(). This is faster than reading it into blocks, and
558: * since each file is only a few bytes to begin with, I'm not
559: * concerned that this is going to tank any machines.
560: */
561:
562: if (S_ISREG(st.st_mode)) {
563: if (st.st_size >= (1U << 31)) {
564: fprintf(stderr, "%s: input too large\n", file);
565: return(0);
566: }
567: *with_mmap = 1;
568: fb->sz = (size_t)st.st_size;
569: fb->buf = mmap(NULL, fb->sz, PROT_READ,
570: MAP_FILE|MAP_SHARED, fd, 0);
571: if (fb->buf != MAP_FAILED)
572: return(1);
573: }
1.15 ! kristaps 574: #endif
1.1 kristaps 575:
576: /*
577: * If this isn't a regular file (like, say, stdin), then we must
578: * go the old way and just read things in bit by bit.
579: */
580:
581: *with_mmap = 0;
582: off = 0;
583: fb->sz = 0;
584: fb->buf = NULL;
585: for (;;) {
586: if (off == fb->sz) {
587: if (fb->sz == (1U << 31)) {
588: fprintf(stderr, "%s: input too large\n", file);
589: break;
590: }
591: resize_buf(fb, 65536);
592: }
593: ssz = read(fd, fb->buf + (int)off, fb->sz - off);
594: if (ssz == 0) {
595: fb->sz = off;
596: return(1);
597: }
598: if (ssz == -1) {
599: perror(file);
600: break;
601: }
602: off += (size_t)ssz;
603: }
604:
605: free(fb->buf);
606: fb->buf = NULL;
607: return(0);
608: }
609:
610: static void
611: mparse_end(struct mparse *curp)
612: {
613:
614: if (MANDOCLEVEL_FATAL <= curp->file_status)
615: return;
616:
617: if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
618: assert(MANDOCLEVEL_FATAL <= curp->file_status);
619: return;
620: }
621:
622: if (curp->man && ! man_endparse(curp->man)) {
623: assert(MANDOCLEVEL_FATAL <= curp->file_status);
624: return;
625: }
626:
627: if ( ! (curp->man || curp->mdoc)) {
1.6 kristaps 628: mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL);
1.1 kristaps 629: curp->file_status = MANDOCLEVEL_FATAL;
1.6 kristaps 630: return;
1.1 kristaps 631: }
632:
633: roff_endparse(curp->roff);
634: }
635:
636: static void
637: mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re)
638: {
639: const char *svfile;
640:
641: if (-1 == fd)
642: if (-1 == (fd = open(file, O_RDONLY, 0))) {
643: perror(file);
644: curp->file_status = MANDOCLEVEL_SYSERR;
645: return;
646: }
647:
1.3 kristaps 648: svfile = curp->file;
649: curp->file = file;
1.1 kristaps 650:
651: pdesc(curp, file, fd);
652:
653: if (0 == re && MANDOCLEVEL_FATAL > curp->file_status)
654: mparse_end(curp);
655:
656: if (STDIN_FILENO != fd && -1 == close(fd))
657: perror(file);
658:
1.3 kristaps 659: curp->file = svfile;
1.1 kristaps 660: }
661:
662: enum mandoclevel
663: mparse_readfd(struct mparse *curp, int fd, const char *file)
664: {
665:
666: mparse_readfd_r(curp, fd, file, 0);
667: return(curp->file_status);
668: }
669:
670: struct mparse *
1.4 kristaps 671: mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg)
1.1 kristaps 672: {
673: struct mparse *curp;
1.10 kristaps 674:
675: assert(wlevel <= MANDOCLEVEL_FATAL);
1.1 kristaps 676:
677: curp = mandoc_calloc(1, sizeof(struct mparse));
678:
1.3 kristaps 679: curp->wlevel = wlevel;
1.1 kristaps 680: curp->mmsg = mmsg;
681: curp->arg = arg;
682: curp->inttype = inttype;
683:
1.3 kristaps 684: curp->roff = roff_alloc(&curp->regs, curp);
1.1 kristaps 685: return(curp);
686: }
687:
688: void
689: mparse_reset(struct mparse *curp)
690: {
691:
692: memset(&curp->regs, 0, sizeof(struct regset));
693:
694: roff_reset(curp->roff);
695:
696: if (curp->mdoc)
697: mdoc_reset(curp->mdoc);
698: if (curp->man)
699: man_reset(curp->man);
700:
701: curp->file_status = MANDOCLEVEL_OK;
702: curp->mdoc = NULL;
703: curp->man = NULL;
704: }
705:
706: void
707: mparse_free(struct mparse *curp)
708: {
709:
710: if (curp->pmdoc)
711: mdoc_free(curp->pmdoc);
712: if (curp->pman)
713: man_free(curp->pman);
714: if (curp->roff)
715: roff_free(curp->roff);
716:
717: free(curp);
718: }
719:
720: void
721: mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man)
722: {
723:
1.9 kristaps 724: if (mdoc)
725: *mdoc = curp->mdoc;
726: if (man)
727: *man = curp->man;
1.3 kristaps 728: }
729:
730: void
731: mandoc_vmsg(enum mandocerr t, struct mparse *m,
732: int ln, int pos, const char *fmt, ...)
733: {
734: char buf[256];
735: va_list ap;
736:
737: va_start(ap, fmt);
738: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
739: va_end(ap);
740:
741: mandoc_msg(t, m, ln, pos, buf);
742: }
743:
744: void
745: mandoc_msg(enum mandocerr er, struct mparse *m,
746: int ln, int col, const char *msg)
747: {
748: enum mandoclevel level;
749:
750: level = MANDOCLEVEL_FATAL;
751: while (er < mandoclimits[level])
752: level--;
753:
754: if (level < m->wlevel)
755: return;
756:
1.8 kristaps 757: if (m->mmsg)
758: (*m->mmsg)(er, level, m->file, ln, col, msg);
1.3 kristaps 759:
760: if (m->file_status < level)
761: m->file_status = level;
1.7 kristaps 762: }
763:
764: const char *
765: mparse_strerror(enum mandocerr er)
766: {
767:
768: return(mandocerrs[er]);
769: }
770:
771: const char *
772: mparse_strlevel(enum mandoclevel lvl)
773: {
774: return(mandoclevels[lvl]);
1.1 kristaps 775: }
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