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1.4 ! schwarze 1: /* $Id: read.c,v 1.3 2011/09/18 10:25:28 schwarze Exp $ */
1.1 schwarze 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: */
18: #include <sys/stat.h>
19: #include <sys/mman.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
23: #include <fcntl.h>
24: #include <stdarg.h>
25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28: #include <unistd.h>
29:
30: #include "mandoc.h"
31: #include "libmandoc.h"
32: #include "mdoc.h"
33: #include "man.h"
34:
35: #define REPARSE_LIMIT 1000
36:
37: struct buf {
38: char *buf; /* binary input buffer */
39: size_t sz; /* size of binary buffer */
40: };
41:
42: struct mparse {
43: enum mandoclevel file_status; /* status of current parse */
44: enum mandoclevel wlevel; /* ignore messages below this */
45: int line; /* line number in the file */
46: enum mparset inttype; /* which parser to use */
47: struct man *pman; /* persistent man parser */
48: struct mdoc *pmdoc; /* persistent mdoc parser */
49: struct man *man; /* man parser */
50: struct mdoc *mdoc; /* mdoc parser */
51: struct roff *roff; /* roff parser (!NULL) */
52: int reparse_count; /* finite interp. stack */
53: mandocmsg mmsg; /* warning/error message handler */
54: void *arg; /* argument to mmsg */
55: const char *file;
1.4 ! schwarze 56: struct buf *secondary;
1.1 schwarze 57: };
58:
59: static void resize_buf(struct buf *, size_t);
60: static void mparse_buf_r(struct mparse *, struct buf, int);
61: static void mparse_readfd_r(struct mparse *, int, const char *, int);
62: static void pset(const char *, int, struct mparse *);
63: static void pdesc(struct mparse *, const char *, int);
64: static int read_whole_file(const char *, int, struct buf *, int *);
65: static void mparse_end(struct mparse *);
66:
67: static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = {
68: MANDOCERR_OK,
69: MANDOCERR_WARNING,
70: MANDOCERR_WARNING,
71: MANDOCERR_ERROR,
72: MANDOCERR_FATAL,
73: MANDOCERR_MAX,
74: MANDOCERR_MAX
75: };
76:
77: static const char * const mandocerrs[MANDOCERR_MAX] = {
78: "ok",
79:
80: "generic warning",
81:
82: /* related to the prologue */
83: "no title in document",
84: "document title should be all caps",
85: "unknown manual section",
86: "date missing, using today's date",
87: "cannot parse date, using it verbatim",
88: "prologue macros out of order",
89: "duplicate prologue macro",
90: "macro not allowed in prologue",
91: "macro not allowed in body",
92:
93: /* related to document structure */
94: ".so is fragile, better use ln(1)",
95: "NAME section must come first",
96: "bad NAME section contents",
97: "manual name not yet set",
98: "sections out of conventional order",
99: "duplicate section name",
100: "section not in conventional manual section",
101:
102: /* related to macros and nesting */
103: "skipping obsolete macro",
104: "skipping paragraph macro",
105: "skipping no-space macro",
106: "blocks badly nested",
107: "child violates parent syntax",
108: "nested displays are not portable",
109: "already in literal mode",
110: "line scope broken",
111:
112: /* related to missing macro arguments */
113: "skipping empty macro",
114: "argument count wrong",
115: "missing display type",
116: "list type must come first",
117: "tag lists require a width argument",
118: "missing font type",
119: "skipping end of block that is not open",
120:
121: /* related to bad macro arguments */
122: "skipping argument",
123: "duplicate argument",
124: "duplicate display type",
125: "duplicate list type",
126: "unknown AT&T UNIX version",
127: "bad Boolean value",
128: "unknown font",
129: "unknown standard specifier",
130: "bad width argument",
131:
132: /* related to plain text */
133: "blank line in non-literal context",
134: "tab in non-literal context",
135: "end of line whitespace",
136: "bad comment style",
1.2 schwarze 137: "bad escape sequence",
1.1 schwarze 138: "unterminated quoted string",
1.3 schwarze 139:
140: /* related to equations */
141: "unexpected literal in equation",
1.1 schwarze 142:
143: "generic error",
144:
1.3 schwarze 145: /* related to equations */
146: "unexpected equation scope closure",
147: "equation scope open on exit",
148: "overlapping equation scopes",
149: "unexpected end of equation",
150: "equation syntax error",
151:
1.1 schwarze 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:
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 schwarze 240: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 schwarze 241: assert(curp->pmdoc);
242: curp->mdoc = curp->pmdoc;
243: return;
244: case (MPARSE_MAN):
245: if (NULL == curp->pman)
1.3 schwarze 246: curp->pman = man_alloc(curp->roff, curp);
1.1 schwarze 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 schwarze 256: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 schwarze 257: assert(curp->pmdoc);
258: curp->mdoc = curp->pmdoc;
259: return;
260: }
261:
262: if (NULL == curp->pman)
1.3 schwarze 263: curp->pman = man_alloc(curp->roff, curp);
1.1 schwarze 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)))) {
328: mandoc_msg(MANDOCERR_BADCHAR, curp,
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:
359: if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
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:
1.4 ! schwarze 405: /*
! 406: * Maintain a lookaside buffer of all parsed lines. We
! 407: * only do this if mparse_keep() has been invoked (the
! 408: * buffer may be accessed with mparse_getkeep()).
! 409: */
! 410:
! 411: if (curp->secondary) {
! 412: curp->secondary->buf =
! 413: mandoc_realloc
! 414: (curp->secondary->buf,
! 415: curp->secondary->sz + pos + 2);
! 416: memcpy(curp->secondary->buf +
! 417: curp->secondary->sz,
! 418: ln.buf, pos);
! 419: curp->secondary->sz += pos;
! 420: curp->secondary->buf
! 421: [curp->secondary->sz] = '\n';
! 422: curp->secondary->sz++;
! 423: curp->secondary->buf
! 424: [curp->secondary->sz] = '\0';
! 425: }
1.1 schwarze 426: rerun:
427: rr = roff_parseln
428: (curp->roff, curp->line,
429: &ln.buf, &ln.sz, of, &of);
430:
431: switch (rr) {
432: case (ROFF_REPARSE):
433: if (REPARSE_LIMIT >= ++curp->reparse_count)
434: mparse_buf_r(curp, ln, 0);
435: else
436: mandoc_msg(MANDOCERR_ROFFLOOP, curp,
437: curp->line, pos, NULL);
438: pos = 0;
439: continue;
440: case (ROFF_APPEND):
441: pos = (int)strlen(ln.buf);
442: continue;
443: case (ROFF_RERUN):
444: goto rerun;
445: case (ROFF_IGN):
446: pos = 0;
447: continue;
448: case (ROFF_ERR):
449: assert(MANDOCLEVEL_FATAL <= curp->file_status);
450: break;
451: case (ROFF_SO):
1.4 ! schwarze 452: /*
! 453: * We remove `so' clauses from our lookaside
! 454: * buffer because we're going to descend into
! 455: * the file recursively.
! 456: */
! 457: if (curp->secondary)
! 458: curp->secondary->sz -= pos + 1;
1.1 schwarze 459: mparse_readfd_r(curp, -1, ln.buf + of, 1);
460: if (MANDOCLEVEL_FATAL <= curp->file_status)
461: break;
462: pos = 0;
463: continue;
464: default:
465: break;
466: }
467:
468: /*
469: * If we encounter errors in the recursive parse, make
470: * sure we don't continue parsing.
471: */
472:
473: if (MANDOCLEVEL_FATAL <= curp->file_status)
474: break;
475:
476: /*
477: * If input parsers have not been allocated, do so now.
1.2 schwarze 478: * We keep these instanced between parsers, but set them
1.1 schwarze 479: * locally per parse routine since we can use different
480: * parsers with each one.
481: */
482:
483: if ( ! (curp->man || curp->mdoc))
484: pset(ln.buf + of, pos - of, curp);
485:
486: /*
487: * Lastly, push down into the parsers themselves. One
488: * of these will have already been set in the pset()
489: * routine.
490: * If libroff returns ROFF_TBL, then add it to the
491: * currently open parse. Since we only get here if
492: * there does exist data (see tbl_data.c), we're
493: * guaranteed that something's been allocated.
494: * Do the same for ROFF_EQN.
495: */
496:
497: rc = -1;
498:
499: if (ROFF_TBL == rr)
500: while (NULL != (span = roff_span(curp->roff))) {
501: rc = curp->man ?
502: man_addspan(curp->man, span) :
503: mdoc_addspan(curp->mdoc, span);
504: if (0 == rc)
505: break;
506: }
507: else if (ROFF_EQN == rr)
508: rc = curp->mdoc ?
509: mdoc_addeqn(curp->mdoc,
510: roff_eqn(curp->roff)) :
511: man_addeqn(curp->man,
512: roff_eqn(curp->roff));
513: else if (curp->man || curp->mdoc)
514: rc = curp->man ?
515: man_parseln(curp->man,
516: curp->line, ln.buf, of) :
517: mdoc_parseln(curp->mdoc,
518: curp->line, ln.buf, of);
519:
520: if (0 == rc) {
521: assert(MANDOCLEVEL_FATAL <= curp->file_status);
522: break;
523: }
524:
525: /* Temporary buffers typically are not full. */
526:
527: if (0 == start && '\0' == blk.buf[i])
528: break;
529:
530: /* Start the next input line. */
531:
532: pos = 0;
533: }
534:
535: free(ln.buf);
536: }
537:
538: static void
539: pdesc(struct mparse *curp, const char *file, int fd)
540: {
541: struct buf blk;
542: int with_mmap;
543:
544: /*
545: * Run for each opened file; may be called more than once for
546: * each full parse sequence if the opened file is nested (i.e.,
547: * from `so'). Simply sucks in the whole file and moves into
548: * the parse phase for the file.
549: */
550:
551: if ( ! read_whole_file(file, fd, &blk, &with_mmap)) {
552: curp->file_status = MANDOCLEVEL_SYSERR;
553: return;
554: }
555:
556: /* Line number is per-file. */
557:
558: curp->line = 1;
559:
560: mparse_buf_r(curp, blk, 1);
561:
562: if (with_mmap)
563: munmap(blk.buf, blk.sz);
564: else
565: free(blk.buf);
566: }
567:
568: static int
569: read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap)
570: {
571: struct stat st;
572: size_t off;
573: ssize_t ssz;
574:
575: if (-1 == fstat(fd, &st)) {
576: perror(file);
577: return(0);
578: }
579:
580: /*
581: * If we're a regular file, try just reading in the whole entry
582: * via mmap(). This is faster than reading it into blocks, and
583: * since each file is only a few bytes to begin with, I'm not
584: * concerned that this is going to tank any machines.
585: */
586:
587: if (S_ISREG(st.st_mode)) {
588: if (st.st_size >= (1U << 31)) {
589: fprintf(stderr, "%s: input too large\n", file);
590: return(0);
591: }
592: *with_mmap = 1;
593: fb->sz = (size_t)st.st_size;
594: fb->buf = mmap(NULL, fb->sz, PROT_READ,
595: MAP_FILE|MAP_SHARED, fd, 0);
596: if (fb->buf != MAP_FAILED)
597: return(1);
598: }
599:
600: /*
601: * If this isn't a regular file (like, say, stdin), then we must
602: * go the old way and just read things in bit by bit.
603: */
604:
605: *with_mmap = 0;
606: off = 0;
607: fb->sz = 0;
608: fb->buf = NULL;
609: for (;;) {
610: if (off == fb->sz) {
611: if (fb->sz == (1U << 31)) {
612: fprintf(stderr, "%s: input too large\n", file);
613: break;
614: }
615: resize_buf(fb, 65536);
616: }
617: ssz = read(fd, fb->buf + (int)off, fb->sz - off);
618: if (ssz == 0) {
619: fb->sz = off;
620: return(1);
621: }
622: if (ssz == -1) {
623: perror(file);
624: break;
625: }
626: off += (size_t)ssz;
627: }
628:
629: free(fb->buf);
630: fb->buf = NULL;
631: return(0);
632: }
633:
634: static void
635: mparse_end(struct mparse *curp)
636: {
637:
638: if (MANDOCLEVEL_FATAL <= curp->file_status)
639: return;
640:
641: if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
642: assert(MANDOCLEVEL_FATAL <= curp->file_status);
643: return;
644: }
645:
646: if (curp->man && ! man_endparse(curp->man)) {
647: assert(MANDOCLEVEL_FATAL <= curp->file_status);
648: return;
649: }
650:
651: if ( ! (curp->man || curp->mdoc)) {
652: mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL);
653: curp->file_status = MANDOCLEVEL_FATAL;
654: return;
655: }
656:
657: roff_endparse(curp->roff);
658: }
659:
660: static void
661: mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re)
662: {
663: const char *svfile;
664:
665: if (-1 == fd)
666: if (-1 == (fd = open(file, O_RDONLY, 0))) {
667: perror(file);
668: curp->file_status = MANDOCLEVEL_SYSERR;
669: return;
670: }
671:
672: svfile = curp->file;
673: curp->file = file;
674:
675: pdesc(curp, file, fd);
676:
677: if (0 == re && MANDOCLEVEL_FATAL > curp->file_status)
678: mparse_end(curp);
679:
680: if (STDIN_FILENO != fd && -1 == close(fd))
681: perror(file);
682:
683: curp->file = svfile;
684: }
685:
686: enum mandoclevel
687: mparse_readfd(struct mparse *curp, int fd, const char *file)
688: {
689:
690: mparse_readfd_r(curp, fd, file, 0);
691: return(curp->file_status);
692: }
693:
694: struct mparse *
695: mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg)
696: {
697: struct mparse *curp;
698:
699: assert(wlevel <= MANDOCLEVEL_FATAL);
700:
701: curp = mandoc_calloc(1, sizeof(struct mparse));
702:
703: curp->wlevel = wlevel;
704: curp->mmsg = mmsg;
705: curp->arg = arg;
706: curp->inttype = inttype;
707:
1.3 schwarze 708: curp->roff = roff_alloc(curp);
1.1 schwarze 709: return(curp);
710: }
711:
712: void
713: mparse_reset(struct mparse *curp)
714: {
715:
716: roff_reset(curp->roff);
717:
718: if (curp->mdoc)
719: mdoc_reset(curp->mdoc);
720: if (curp->man)
721: man_reset(curp->man);
1.4 ! schwarze 722: if (curp->secondary)
! 723: curp->secondary->sz = 0;
1.1 schwarze 724:
725: curp->file_status = MANDOCLEVEL_OK;
726: curp->mdoc = NULL;
727: curp->man = NULL;
728: }
729:
730: void
731: mparse_free(struct mparse *curp)
732: {
733:
734: if (curp->pmdoc)
735: mdoc_free(curp->pmdoc);
736: if (curp->pman)
737: man_free(curp->pman);
738: if (curp->roff)
739: roff_free(curp->roff);
1.4 ! schwarze 740: if (curp->secondary)
! 741: free(curp->secondary->buf);
1.1 schwarze 742:
1.4 ! schwarze 743: free(curp->secondary);
1.1 schwarze 744: free(curp);
745: }
746:
747: void
748: mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man)
749: {
750:
751: if (mdoc)
752: *mdoc = curp->mdoc;
753: if (man)
754: *man = curp->man;
755: }
756:
757: void
758: mandoc_vmsg(enum mandocerr t, struct mparse *m,
759: int ln, int pos, const char *fmt, ...)
760: {
761: char buf[256];
762: va_list ap;
763:
764: va_start(ap, fmt);
765: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
766: va_end(ap);
767:
768: mandoc_msg(t, m, ln, pos, buf);
769: }
770:
771: void
772: mandoc_msg(enum mandocerr er, struct mparse *m,
773: int ln, int col, const char *msg)
774: {
775: enum mandoclevel level;
776:
777: level = MANDOCLEVEL_FATAL;
778: while (er < mandoclimits[level])
779: level--;
780:
781: if (level < m->wlevel)
782: return;
783:
784: if (m->mmsg)
785: (*m->mmsg)(er, level, m->file, ln, col, msg);
786:
787: if (m->file_status < level)
788: m->file_status = level;
789: }
790:
791: const char *
792: mparse_strerror(enum mandocerr er)
793: {
794:
795: return(mandocerrs[er]);
796: }
797:
798: const char *
799: mparse_strlevel(enum mandoclevel lvl)
800: {
801: return(mandoclevels[lvl]);
1.4 ! schwarze 802: }
! 803:
! 804: void
! 805: mparse_keep(struct mparse *p)
! 806: {
! 807:
! 808: assert(NULL == p->secondary);
! 809: p->secondary = mandoc_calloc(1, sizeof(struct buf));
! 810: }
! 811:
! 812: const char *
! 813: mparse_getkeep(const struct mparse *p)
! 814: {
! 815:
! 816: assert(p->secondary);
! 817: return(p->secondary->sz ? p->secondary->buf : NULL);
1.1 schwarze 818: }