Annotation of mandoc/read.c, Revision 1.21
1.21 ! kristaps 1: /* $Id: read.c,v 1.20 2011/07/21 12:30:44 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",
1.19 kristaps 156: "too many nested equation defines",
1.20 kristaps 157: "unexpected equation scope closure",
158: "equation scope open on exit",
1.21 ! kristaps 159: "overlapping equation scopes",
! 160: "unexpected end of equation",
! 161: "equation syntax error",
1.7 kristaps 162:
163: /* related to tables */
164: "bad table syntax",
165: "bad table option",
166: "bad table layout",
167: "no table layout cells specified",
168: "no table data cells specified",
169: "ignore data in cell",
170: "data block still open",
171: "ignoring extra data cells",
172:
173: "input stack limit exceeded, infinite loop?",
174: "skipping bad character",
175: "escaped character not allowed in a name",
176: "skipping text before the first section header",
177: "skipping unknown macro",
178: "NOT IMPLEMENTED, please use groff: skipping request",
179: "argument count wrong",
180: "skipping end of block that is not open",
181: "missing end of block",
182: "scope open on exit",
183: "uname(3) system call failed",
184: "macro requires line argument(s)",
185: "macro requires body argument(s)",
186: "macro requires argument(s)",
187: "missing list type",
188: "line argument(s) will be lost",
189: "body argument(s) will be lost",
190:
191: "generic fatal error",
192:
193: "not a manual",
194: "column syntax is inconsistent",
195: "NOT IMPLEMENTED: .Bd -file",
196: "line scope broken, syntax violated",
197: "argument count wrong, violates syntax",
198: "child violates parent syntax",
199: "argument count wrong, violates syntax",
200: "NOT IMPLEMENTED: .so with absolute path or \"..\"",
201: "no document body",
202: "no document prologue",
203: "static buffer exhausted",
204: };
205:
206: static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
207: "SUCCESS",
208: "RESERVED",
209: "WARNING",
210: "ERROR",
211: "FATAL",
212: "BADARG",
213: "SYSERR"
214: };
215:
1.1 kristaps 216: static void
217: resize_buf(struct buf *buf, size_t initial)
218: {
219:
220: buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
221: buf->buf = mandoc_realloc(buf->buf, buf->sz);
222: }
223:
224: static void
225: pset(const char *buf, int pos, struct mparse *curp)
226: {
227: int i;
228:
229: /*
230: * Try to intuit which kind of manual parser should be used. If
231: * passed in by command-line (-man, -mdoc), then use that
232: * explicitly. If passed as -mandoc, then try to guess from the
233: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
234: * default to -man, which is more lenient.
235: *
236: * Separate out pmdoc/pman from mdoc/man: the first persists
237: * through all parsers, while the latter is used per-parse.
238: */
239:
240: if ('.' == buf[0] || '\'' == buf[0]) {
241: for (i = 1; buf[i]; i++)
242: if (' ' != buf[i] && '\t' != buf[i])
243: break;
244: if ('\0' == buf[i])
245: return;
246: }
247:
248: switch (curp->inttype) {
249: case (MPARSE_MDOC):
250: if (NULL == curp->pmdoc)
1.18 kristaps 251: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 kristaps 252: assert(curp->pmdoc);
253: curp->mdoc = curp->pmdoc;
254: return;
255: case (MPARSE_MAN):
256: if (NULL == curp->pman)
1.18 kristaps 257: curp->pman = man_alloc(curp->roff, curp);
1.1 kristaps 258: assert(curp->pman);
259: curp->man = curp->pman;
260: return;
261: default:
262: break;
263: }
264:
265: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
266: if (NULL == curp->pmdoc)
1.18 kristaps 267: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 kristaps 268: assert(curp->pmdoc);
269: curp->mdoc = curp->pmdoc;
270: return;
271: }
272:
273: if (NULL == curp->pman)
1.18 kristaps 274: curp->pman = man_alloc(curp->roff, curp);
1.1 kristaps 275: assert(curp->pman);
276: curp->man = curp->pman;
277: }
278:
279: /*
280: * Main parse routine for an opened file. This is called for each
281: * opened file and simply loops around the full input file, possibly
282: * nesting (i.e., with `so').
283: */
284: static void
285: mparse_buf_r(struct mparse *curp, struct buf blk, int start)
286: {
287: const struct tbl_span *span;
288: struct buf ln;
289: enum rofferr rr;
290: int i, of, rc;
291: int pos; /* byte number in the ln buffer */
292: int lnn; /* line number in the real file */
293: unsigned char c;
294:
295: memset(&ln, 0, sizeof(struct buf));
296:
297: lnn = curp->line;
298: pos = 0;
299:
300: for (i = 0; i < (int)blk.sz; ) {
301: if (0 == pos && '\0' == blk.buf[i])
302: break;
303:
304: if (start) {
305: curp->line = lnn;
306: curp->reparse_count = 0;
307: }
308:
309: while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
310:
311: /*
312: * When finding an unescaped newline character,
313: * leave the character loop to process the line.
314: * Skip a preceding carriage return, if any.
315: */
316:
317: if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
318: '\n' == blk.buf[i + 1])
319: ++i;
320: if ('\n' == blk.buf[i]) {
321: ++i;
322: ++lnn;
323: break;
324: }
325:
326: /*
327: * Warn about bogus characters. If you're using
328: * non-ASCII encoding, you're screwing your
329: * readers. Since I'd rather this not happen,
330: * I'll be helpful and drop these characters so
331: * we don't display gibberish. Note to manual
332: * writers: use special characters.
333: */
334:
335: c = (unsigned char) blk.buf[i];
336:
337: if ( ! (isascii(c) &&
338: (isgraph(c) || isblank(c)))) {
1.3 kristaps 339: mandoc_msg(MANDOCERR_BADCHAR, curp,
1.1 kristaps 340: curp->line, pos, "ignoring byte");
341: i++;
342: continue;
343: }
344:
345: /* Trailing backslash = a plain char. */
346:
347: if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
348: if (pos >= (int)ln.sz)
349: resize_buf(&ln, 256);
350: ln.buf[pos++] = blk.buf[i++];
351: continue;
352: }
353:
354: /*
355: * Found escape and at least one other character.
356: * When it's a newline character, skip it.
357: * When there is a carriage return in between,
358: * skip that one as well.
359: */
360:
361: if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
362: '\n' == blk.buf[i + 2])
363: ++i;
364: if ('\n' == blk.buf[i + 1]) {
365: i += 2;
366: ++lnn;
367: continue;
368: }
369:
1.13 kristaps 370: if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
1.1 kristaps 371: i += 2;
372: /* Comment, skip to end of line */
373: for (; i < (int)blk.sz; ++i) {
374: if ('\n' == blk.buf[i]) {
375: ++i;
376: ++lnn;
377: break;
378: }
379: }
380:
381: /* Backout trailing whitespaces */
382: for (; pos > 0; --pos) {
383: if (ln.buf[pos - 1] != ' ')
384: break;
385: if (pos > 2 && ln.buf[pos - 2] == '\\')
386: break;
387: }
388: break;
389: }
390:
391: /* Some other escape sequence, copy & cont. */
392:
393: if (pos + 1 >= (int)ln.sz)
394: resize_buf(&ln, 256);
395:
396: ln.buf[pos++] = blk.buf[i++];
397: ln.buf[pos++] = blk.buf[i++];
398: }
399:
400: if (pos >= (int)ln.sz)
401: resize_buf(&ln, 256);
402:
403: ln.buf[pos] = '\0';
404:
405: /*
406: * A significant amount of complexity is contained by
407: * the roff preprocessor. It's line-oriented but can be
408: * expressed on one line, so we need at times to
409: * readjust our starting point and re-run it. The roff
410: * preprocessor can also readjust the buffers with new
411: * data, so we pass them in wholesale.
412: */
413:
414: of = 0;
415:
416: rerun:
417: rr = roff_parseln
418: (curp->roff, curp->line,
419: &ln.buf, &ln.sz, of, &of);
420:
421: switch (rr) {
422: case (ROFF_REPARSE):
423: if (REPARSE_LIMIT >= ++curp->reparse_count)
424: mparse_buf_r(curp, ln, 0);
425: else
1.3 kristaps 426: mandoc_msg(MANDOCERR_ROFFLOOP, curp,
1.1 kristaps 427: curp->line, pos, NULL);
428: pos = 0;
429: continue;
430: case (ROFF_APPEND):
431: pos = (int)strlen(ln.buf);
432: continue;
433: case (ROFF_RERUN):
434: goto rerun;
435: case (ROFF_IGN):
436: pos = 0;
437: continue;
438: case (ROFF_ERR):
439: assert(MANDOCLEVEL_FATAL <= curp->file_status);
440: break;
441: case (ROFF_SO):
442: mparse_readfd_r(curp, -1, ln.buf + of, 1);
443: if (MANDOCLEVEL_FATAL <= curp->file_status)
444: break;
445: pos = 0;
446: continue;
447: default:
448: break;
449: }
450:
451: /*
452: * If we encounter errors in the recursive parse, make
453: * sure we don't continue parsing.
454: */
455:
456: if (MANDOCLEVEL_FATAL <= curp->file_status)
457: break;
458:
459: /*
460: * If input parsers have not been allocated, do so now.
1.14 kristaps 461: * We keep these instanced between parsers, but set them
1.1 kristaps 462: * locally per parse routine since we can use different
463: * parsers with each one.
464: */
465:
466: if ( ! (curp->man || curp->mdoc))
467: pset(ln.buf + of, pos - of, curp);
468:
469: /*
470: * Lastly, push down into the parsers themselves. One
471: * of these will have already been set in the pset()
472: * routine.
473: * If libroff returns ROFF_TBL, then add it to the
474: * currently open parse. Since we only get here if
475: * there does exist data (see tbl_data.c), we're
476: * guaranteed that something's been allocated.
477: * Do the same for ROFF_EQN.
478: */
479:
480: rc = -1;
481:
482: if (ROFF_TBL == rr)
483: while (NULL != (span = roff_span(curp->roff))) {
484: rc = curp->man ?
485: man_addspan(curp->man, span) :
486: mdoc_addspan(curp->mdoc, span);
487: if (0 == rc)
488: break;
489: }
490: else if (ROFF_EQN == rr)
491: rc = curp->mdoc ?
492: mdoc_addeqn(curp->mdoc,
493: roff_eqn(curp->roff)) :
494: man_addeqn(curp->man,
495: roff_eqn(curp->roff));
496: else if (curp->man || curp->mdoc)
497: rc = curp->man ?
498: man_parseln(curp->man,
499: curp->line, ln.buf, of) :
500: mdoc_parseln(curp->mdoc,
501: curp->line, ln.buf, of);
502:
503: if (0 == rc) {
504: assert(MANDOCLEVEL_FATAL <= curp->file_status);
505: break;
506: }
507:
508: /* Temporary buffers typically are not full. */
509:
510: if (0 == start && '\0' == blk.buf[i])
511: break;
512:
513: /* Start the next input line. */
514:
515: pos = 0;
516: }
517:
518: free(ln.buf);
519: }
520:
521: static void
522: pdesc(struct mparse *curp, const char *file, int fd)
523: {
524: struct buf blk;
525: int with_mmap;
526:
527: /*
528: * Run for each opened file; may be called more than once for
529: * each full parse sequence if the opened file is nested (i.e.,
530: * from `so'). Simply sucks in the whole file and moves into
531: * the parse phase for the file.
532: */
533:
534: if ( ! read_whole_file(file, fd, &blk, &with_mmap)) {
535: curp->file_status = MANDOCLEVEL_SYSERR;
536: return;
537: }
538:
539: /* Line number is per-file. */
540:
541: curp->line = 1;
542:
543: mparse_buf_r(curp, blk, 1);
544:
1.15 kristaps 545: #ifdef HAVE_MMAP
1.1 kristaps 546: if (with_mmap)
547: munmap(blk.buf, blk.sz);
548: else
1.15 kristaps 549: #endif
1.1 kristaps 550: free(blk.buf);
551: }
552:
553: static int
554: read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap)
555: {
556: size_t off;
557: ssize_t ssz;
558:
1.15 kristaps 559: #ifdef HAVE_MMAP
560: struct stat st;
1.1 kristaps 561: if (-1 == fstat(fd, &st)) {
562: perror(file);
563: return(0);
564: }
565:
566: /*
567: * If we're a regular file, try just reading in the whole entry
568: * via mmap(). This is faster than reading it into blocks, and
569: * since each file is only a few bytes to begin with, I'm not
570: * concerned that this is going to tank any machines.
571: */
572:
573: if (S_ISREG(st.st_mode)) {
574: if (st.st_size >= (1U << 31)) {
575: fprintf(stderr, "%s: input too large\n", file);
576: return(0);
577: }
578: *with_mmap = 1;
579: fb->sz = (size_t)st.st_size;
580: fb->buf = mmap(NULL, fb->sz, PROT_READ,
581: MAP_FILE|MAP_SHARED, fd, 0);
582: if (fb->buf != MAP_FAILED)
583: return(1);
584: }
1.15 kristaps 585: #endif
1.1 kristaps 586:
587: /*
588: * If this isn't a regular file (like, say, stdin), then we must
589: * go the old way and just read things in bit by bit.
590: */
591:
592: *with_mmap = 0;
593: off = 0;
594: fb->sz = 0;
595: fb->buf = NULL;
596: for (;;) {
597: if (off == fb->sz) {
598: if (fb->sz == (1U << 31)) {
599: fprintf(stderr, "%s: input too large\n", file);
600: break;
601: }
602: resize_buf(fb, 65536);
603: }
604: ssz = read(fd, fb->buf + (int)off, fb->sz - off);
605: if (ssz == 0) {
606: fb->sz = off;
607: return(1);
608: }
609: if (ssz == -1) {
610: perror(file);
611: break;
612: }
613: off += (size_t)ssz;
614: }
615:
616: free(fb->buf);
617: fb->buf = NULL;
618: return(0);
619: }
620:
621: static void
622: mparse_end(struct mparse *curp)
623: {
624:
625: if (MANDOCLEVEL_FATAL <= curp->file_status)
626: return;
627:
628: if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
629: assert(MANDOCLEVEL_FATAL <= curp->file_status);
630: return;
631: }
632:
633: if (curp->man && ! man_endparse(curp->man)) {
634: assert(MANDOCLEVEL_FATAL <= curp->file_status);
635: return;
636: }
637:
638: if ( ! (curp->man || curp->mdoc)) {
1.6 kristaps 639: mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL);
1.1 kristaps 640: curp->file_status = MANDOCLEVEL_FATAL;
1.6 kristaps 641: return;
1.1 kristaps 642: }
643:
644: roff_endparse(curp->roff);
645: }
646:
647: static void
648: mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re)
649: {
650: const char *svfile;
651:
652: if (-1 == fd)
653: if (-1 == (fd = open(file, O_RDONLY, 0))) {
654: perror(file);
655: curp->file_status = MANDOCLEVEL_SYSERR;
656: return;
657: }
658:
1.3 kristaps 659: svfile = curp->file;
660: curp->file = file;
1.1 kristaps 661:
662: pdesc(curp, file, fd);
663:
664: if (0 == re && MANDOCLEVEL_FATAL > curp->file_status)
665: mparse_end(curp);
666:
667: if (STDIN_FILENO != fd && -1 == close(fd))
668: perror(file);
669:
1.3 kristaps 670: curp->file = svfile;
1.1 kristaps 671: }
672:
673: enum mandoclevel
674: mparse_readfd(struct mparse *curp, int fd, const char *file)
675: {
676:
677: mparse_readfd_r(curp, fd, file, 0);
678: return(curp->file_status);
679: }
680:
681: struct mparse *
1.4 kristaps 682: mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg)
1.1 kristaps 683: {
684: struct mparse *curp;
1.10 kristaps 685:
686: assert(wlevel <= MANDOCLEVEL_FATAL);
1.1 kristaps 687:
688: curp = mandoc_calloc(1, sizeof(struct mparse));
689:
1.3 kristaps 690: curp->wlevel = wlevel;
1.1 kristaps 691: curp->mmsg = mmsg;
692: curp->arg = arg;
693: curp->inttype = inttype;
694:
1.18 kristaps 695: curp->roff = roff_alloc(curp);
1.1 kristaps 696: return(curp);
697: }
698:
699: void
700: mparse_reset(struct mparse *curp)
701: {
702:
703: roff_reset(curp->roff);
704:
705: if (curp->mdoc)
706: mdoc_reset(curp->mdoc);
707: if (curp->man)
708: man_reset(curp->man);
709:
710: curp->file_status = MANDOCLEVEL_OK;
711: curp->mdoc = NULL;
712: curp->man = NULL;
713: }
714:
715: void
716: mparse_free(struct mparse *curp)
717: {
718:
719: if (curp->pmdoc)
720: mdoc_free(curp->pmdoc);
721: if (curp->pman)
722: man_free(curp->pman);
723: if (curp->roff)
724: roff_free(curp->roff);
725:
726: free(curp);
727: }
728:
729: void
730: mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man)
731: {
732:
1.9 kristaps 733: if (mdoc)
734: *mdoc = curp->mdoc;
735: if (man)
736: *man = curp->man;
1.3 kristaps 737: }
738:
739: void
740: mandoc_vmsg(enum mandocerr t, struct mparse *m,
741: int ln, int pos, const char *fmt, ...)
742: {
743: char buf[256];
744: va_list ap;
745:
746: va_start(ap, fmt);
747: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
748: va_end(ap);
749:
750: mandoc_msg(t, m, ln, pos, buf);
751: }
752:
753: void
754: mandoc_msg(enum mandocerr er, struct mparse *m,
755: int ln, int col, const char *msg)
756: {
757: enum mandoclevel level;
758:
759: level = MANDOCLEVEL_FATAL;
760: while (er < mandoclimits[level])
761: level--;
762:
763: if (level < m->wlevel)
764: return;
765:
1.8 kristaps 766: if (m->mmsg)
767: (*m->mmsg)(er, level, m->file, ln, col, msg);
1.3 kristaps 768:
769: if (m->file_status < level)
770: m->file_status = level;
1.7 kristaps 771: }
772:
773: const char *
774: mparse_strerror(enum mandocerr er)
775: {
776:
777: return(mandocerrs[er]);
778: }
779:
780: const char *
781: mparse_strlevel(enum mandoclevel lvl)
782: {
783: return(mandoclevels[lvl]);
1.1 kristaps 784: }
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