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1.5 ! schwarze 1: /* $Id: read.c,v 1.4 2011/10/09 17:59:56 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: "argument count wrong, violates syntax",
186: "child violates parent syntax",
187: "argument count wrong, violates syntax",
188: "NOT IMPLEMENTED: .so with absolute path or \"..\"",
189: "no document body",
190: "no document prologue",
191: "static buffer exhausted",
192: };
193:
194: static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
195: "SUCCESS",
196: "RESERVED",
197: "WARNING",
198: "ERROR",
199: "FATAL",
200: "BADARG",
201: "SYSERR"
202: };
203:
204: static void
205: resize_buf(struct buf *buf, size_t initial)
206: {
207:
208: buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
209: buf->buf = mandoc_realloc(buf->buf, buf->sz);
210: }
211:
212: static void
213: pset(const char *buf, int pos, struct mparse *curp)
214: {
215: int i;
216:
217: /*
218: * Try to intuit which kind of manual parser should be used. If
219: * passed in by command-line (-man, -mdoc), then use that
220: * explicitly. If passed as -mandoc, then try to guess from the
221: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
222: * default to -man, which is more lenient.
223: *
224: * Separate out pmdoc/pman from mdoc/man: the first persists
225: * through all parsers, while the latter is used per-parse.
226: */
227:
228: if ('.' == buf[0] || '\'' == buf[0]) {
229: for (i = 1; buf[i]; i++)
230: if (' ' != buf[i] && '\t' != buf[i])
231: break;
232: if ('\0' == buf[i])
233: return;
234: }
235:
236: switch (curp->inttype) {
237: case (MPARSE_MDOC):
238: if (NULL == curp->pmdoc)
1.3 schwarze 239: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 schwarze 240: assert(curp->pmdoc);
241: curp->mdoc = curp->pmdoc;
242: return;
243: case (MPARSE_MAN):
244: if (NULL == curp->pman)
1.3 schwarze 245: curp->pman = man_alloc(curp->roff, curp);
1.1 schwarze 246: assert(curp->pman);
247: curp->man = curp->pman;
248: return;
249: default:
250: break;
251: }
252:
253: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
254: if (NULL == curp->pmdoc)
1.3 schwarze 255: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 schwarze 256: assert(curp->pmdoc);
257: curp->mdoc = curp->pmdoc;
258: return;
259: }
260:
261: if (NULL == curp->pman)
1.3 schwarze 262: curp->pman = man_alloc(curp->roff, curp);
1.1 schwarze 263: assert(curp->pman);
264: curp->man = curp->pman;
265: }
266:
267: /*
268: * Main parse routine for an opened file. This is called for each
269: * opened file and simply loops around the full input file, possibly
270: * nesting (i.e., with `so').
271: */
272: static void
273: mparse_buf_r(struct mparse *curp, struct buf blk, int start)
274: {
275: const struct tbl_span *span;
276: struct buf ln;
277: enum rofferr rr;
278: int i, of, rc;
279: int pos; /* byte number in the ln buffer */
280: int lnn; /* line number in the real file */
281: unsigned char c;
282:
283: memset(&ln, 0, sizeof(struct buf));
284:
285: lnn = curp->line;
286: pos = 0;
287:
288: for (i = 0; i < (int)blk.sz; ) {
289: if (0 == pos && '\0' == blk.buf[i])
290: break;
291:
292: if (start) {
293: curp->line = lnn;
294: curp->reparse_count = 0;
295: }
296:
297: while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
298:
299: /*
300: * When finding an unescaped newline character,
301: * leave the character loop to process the line.
302: * Skip a preceding carriage return, if any.
303: */
304:
305: if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
306: '\n' == blk.buf[i + 1])
307: ++i;
308: if ('\n' == blk.buf[i]) {
309: ++i;
310: ++lnn;
311: break;
312: }
313:
314: /*
315: * Warn about bogus characters. If you're using
316: * non-ASCII encoding, you're screwing your
317: * readers. Since I'd rather this not happen,
318: * I'll be helpful and drop these characters so
319: * we don't display gibberish. Note to manual
320: * writers: use special characters.
321: */
322:
323: c = (unsigned char) blk.buf[i];
324:
325: if ( ! (isascii(c) &&
326: (isgraph(c) || isblank(c)))) {
327: mandoc_msg(MANDOCERR_BADCHAR, curp,
328: curp->line, pos, "ignoring byte");
329: i++;
330: continue;
331: }
332:
333: /* Trailing backslash = a plain char. */
334:
335: if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
336: if (pos >= (int)ln.sz)
337: resize_buf(&ln, 256);
338: ln.buf[pos++] = blk.buf[i++];
339: continue;
340: }
341:
342: /*
343: * Found escape and at least one other character.
344: * When it's a newline character, skip it.
345: * When there is a carriage return in between,
346: * skip that one as well.
347: */
348:
349: if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
350: '\n' == blk.buf[i + 2])
351: ++i;
352: if ('\n' == blk.buf[i + 1]) {
353: i += 2;
354: ++lnn;
355: continue;
356: }
357:
358: if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
359: i += 2;
360: /* Comment, skip to end of line */
361: for (; i < (int)blk.sz; ++i) {
362: if ('\n' == blk.buf[i]) {
363: ++i;
364: ++lnn;
365: break;
366: }
367: }
368:
369: /* Backout trailing whitespaces */
370: for (; pos > 0; --pos) {
371: if (ln.buf[pos - 1] != ' ')
372: break;
373: if (pos > 2 && ln.buf[pos - 2] == '\\')
374: break;
375: }
376: break;
377: }
378:
379: /* Some other escape sequence, copy & cont. */
380:
381: if (pos + 1 >= (int)ln.sz)
382: resize_buf(&ln, 256);
383:
384: ln.buf[pos++] = blk.buf[i++];
385: ln.buf[pos++] = blk.buf[i++];
386: }
387:
388: if (pos >= (int)ln.sz)
389: resize_buf(&ln, 256);
390:
391: ln.buf[pos] = '\0';
392:
393: /*
394: * A significant amount of complexity is contained by
395: * the roff preprocessor. It's line-oriented but can be
396: * expressed on one line, so we need at times to
397: * readjust our starting point and re-run it. The roff
398: * preprocessor can also readjust the buffers with new
399: * data, so we pass them in wholesale.
400: */
401:
402: of = 0;
403:
1.4 schwarze 404: /*
405: * Maintain a lookaside buffer of all parsed lines. We
406: * only do this if mparse_keep() has been invoked (the
407: * buffer may be accessed with mparse_getkeep()).
408: */
409:
410: if (curp->secondary) {
411: curp->secondary->buf =
412: mandoc_realloc
413: (curp->secondary->buf,
414: curp->secondary->sz + pos + 2);
415: memcpy(curp->secondary->buf +
416: curp->secondary->sz,
417: ln.buf, pos);
418: curp->secondary->sz += pos;
419: curp->secondary->buf
420: [curp->secondary->sz] = '\n';
421: curp->secondary->sz++;
422: curp->secondary->buf
423: [curp->secondary->sz] = '\0';
424: }
1.1 schwarze 425: rerun:
426: rr = roff_parseln
427: (curp->roff, curp->line,
428: &ln.buf, &ln.sz, of, &of);
429:
430: switch (rr) {
431: case (ROFF_REPARSE):
432: if (REPARSE_LIMIT >= ++curp->reparse_count)
433: mparse_buf_r(curp, ln, 0);
434: else
435: mandoc_msg(MANDOCERR_ROFFLOOP, curp,
436: curp->line, pos, NULL);
437: pos = 0;
438: continue;
439: case (ROFF_APPEND):
440: pos = (int)strlen(ln.buf);
441: continue;
442: case (ROFF_RERUN):
443: goto rerun;
444: case (ROFF_IGN):
445: pos = 0;
446: continue;
447: case (ROFF_ERR):
448: assert(MANDOCLEVEL_FATAL <= curp->file_status);
449: break;
450: case (ROFF_SO):
1.4 schwarze 451: /*
452: * We remove `so' clauses from our lookaside
453: * buffer because we're going to descend into
454: * the file recursively.
455: */
456: if (curp->secondary)
457: curp->secondary->sz -= pos + 1;
1.1 schwarze 458: mparse_readfd_r(curp, -1, ln.buf + of, 1);
459: if (MANDOCLEVEL_FATAL <= curp->file_status)
460: break;
461: pos = 0;
462: continue;
463: default:
464: break;
465: }
466:
467: /*
468: * If we encounter errors in the recursive parse, make
469: * sure we don't continue parsing.
470: */
471:
472: if (MANDOCLEVEL_FATAL <= curp->file_status)
473: break;
474:
475: /*
476: * If input parsers have not been allocated, do so now.
1.2 schwarze 477: * We keep these instanced between parsers, but set them
1.1 schwarze 478: * locally per parse routine since we can use different
479: * parsers with each one.
480: */
481:
482: if ( ! (curp->man || curp->mdoc))
483: pset(ln.buf + of, pos - of, curp);
484:
485: /*
486: * Lastly, push down into the parsers themselves. One
487: * of these will have already been set in the pset()
488: * routine.
489: * If libroff returns ROFF_TBL, then add it to the
490: * currently open parse. Since we only get here if
491: * there does exist data (see tbl_data.c), we're
492: * guaranteed that something's been allocated.
493: * Do the same for ROFF_EQN.
494: */
495:
496: rc = -1;
497:
498: if (ROFF_TBL == rr)
499: while (NULL != (span = roff_span(curp->roff))) {
500: rc = curp->man ?
501: man_addspan(curp->man, span) :
502: mdoc_addspan(curp->mdoc, span);
503: if (0 == rc)
504: break;
505: }
506: else if (ROFF_EQN == rr)
507: rc = curp->mdoc ?
508: mdoc_addeqn(curp->mdoc,
509: roff_eqn(curp->roff)) :
510: man_addeqn(curp->man,
511: roff_eqn(curp->roff));
512: else if (curp->man || curp->mdoc)
513: rc = curp->man ?
514: man_parseln(curp->man,
515: curp->line, ln.buf, of) :
516: mdoc_parseln(curp->mdoc,
517: curp->line, ln.buf, of);
518:
519: if (0 == rc) {
520: assert(MANDOCLEVEL_FATAL <= curp->file_status);
521: break;
522: }
523:
524: /* Temporary buffers typically are not full. */
525:
526: if (0 == start && '\0' == blk.buf[i])
527: break;
528:
529: /* Start the next input line. */
530:
531: pos = 0;
532: }
533:
534: free(ln.buf);
535: }
536:
537: static void
538: pdesc(struct mparse *curp, const char *file, int fd)
539: {
540: struct buf blk;
541: int with_mmap;
542:
543: /*
544: * Run for each opened file; may be called more than once for
545: * each full parse sequence if the opened file is nested (i.e.,
546: * from `so'). Simply sucks in the whole file and moves into
547: * the parse phase for the file.
548: */
549:
550: if ( ! read_whole_file(file, fd, &blk, &with_mmap)) {
551: curp->file_status = MANDOCLEVEL_SYSERR;
552: return;
553: }
554:
555: /* Line number is per-file. */
556:
557: curp->line = 1;
558:
559: mparse_buf_r(curp, blk, 1);
560:
561: if (with_mmap)
562: munmap(blk.buf, blk.sz);
563: else
564: free(blk.buf);
565: }
566:
567: static int
568: read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap)
569: {
570: struct stat st;
571: size_t off;
572: ssize_t ssz;
573:
574: if (-1 == fstat(fd, &st)) {
575: perror(file);
576: return(0);
577: }
578:
579: /*
580: * If we're a regular file, try just reading in the whole entry
581: * via mmap(). This is faster than reading it into blocks, and
582: * since each file is only a few bytes to begin with, I'm not
583: * concerned that this is going to tank any machines.
584: */
585:
586: if (S_ISREG(st.st_mode)) {
587: if (st.st_size >= (1U << 31)) {
588: fprintf(stderr, "%s: input too large\n", file);
589: return(0);
590: }
591: *with_mmap = 1;
592: fb->sz = (size_t)st.st_size;
593: fb->buf = mmap(NULL, fb->sz, PROT_READ,
594: MAP_FILE|MAP_SHARED, fd, 0);
595: if (fb->buf != MAP_FAILED)
596: return(1);
597: }
598:
599: /*
600: * If this isn't a regular file (like, say, stdin), then we must
601: * go the old way and just read things in bit by bit.
602: */
603:
604: *with_mmap = 0;
605: off = 0;
606: fb->sz = 0;
607: fb->buf = NULL;
608: for (;;) {
609: if (off == fb->sz) {
610: if (fb->sz == (1U << 31)) {
611: fprintf(stderr, "%s: input too large\n", file);
612: break;
613: }
614: resize_buf(fb, 65536);
615: }
616: ssz = read(fd, fb->buf + (int)off, fb->sz - off);
617: if (ssz == 0) {
618: fb->sz = off;
619: return(1);
620: }
621: if (ssz == -1) {
622: perror(file);
623: break;
624: }
625: off += (size_t)ssz;
626: }
627:
628: free(fb->buf);
629: fb->buf = NULL;
630: return(0);
631: }
632:
633: static void
634: mparse_end(struct mparse *curp)
635: {
636:
637: if (MANDOCLEVEL_FATAL <= curp->file_status)
638: return;
639:
640: if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
641: assert(MANDOCLEVEL_FATAL <= curp->file_status);
642: return;
643: }
644:
645: if (curp->man && ! man_endparse(curp->man)) {
646: assert(MANDOCLEVEL_FATAL <= curp->file_status);
647: return;
648: }
649:
650: if ( ! (curp->man || curp->mdoc)) {
651: mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL);
652: curp->file_status = MANDOCLEVEL_FATAL;
653: return;
654: }
655:
656: roff_endparse(curp->roff);
657: }
658:
659: static void
660: mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re)
661: {
662: const char *svfile;
663:
664: if (-1 == fd)
665: if (-1 == (fd = open(file, O_RDONLY, 0))) {
666: perror(file);
667: curp->file_status = MANDOCLEVEL_SYSERR;
668: return;
669: }
670:
671: svfile = curp->file;
672: curp->file = file;
673:
674: pdesc(curp, file, fd);
675:
676: if (0 == re && MANDOCLEVEL_FATAL > curp->file_status)
677: mparse_end(curp);
678:
679: if (STDIN_FILENO != fd && -1 == close(fd))
680: perror(file);
681:
682: curp->file = svfile;
683: }
684:
685: enum mandoclevel
686: mparse_readfd(struct mparse *curp, int fd, const char *file)
687: {
688:
689: mparse_readfd_r(curp, fd, file, 0);
690: return(curp->file_status);
691: }
692:
693: struct mparse *
694: mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg)
695: {
696: struct mparse *curp;
697:
698: assert(wlevel <= MANDOCLEVEL_FATAL);
699:
700: curp = mandoc_calloc(1, sizeof(struct mparse));
701:
702: curp->wlevel = wlevel;
703: curp->mmsg = mmsg;
704: curp->arg = arg;
705: curp->inttype = inttype;
706:
1.3 schwarze 707: curp->roff = roff_alloc(curp);
1.1 schwarze 708: return(curp);
709: }
710:
711: void
712: mparse_reset(struct mparse *curp)
713: {
714:
715: roff_reset(curp->roff);
716:
717: if (curp->mdoc)
718: mdoc_reset(curp->mdoc);
719: if (curp->man)
720: man_reset(curp->man);
1.4 schwarze 721: if (curp->secondary)
722: curp->secondary->sz = 0;
1.1 schwarze 723:
724: curp->file_status = MANDOCLEVEL_OK;
725: curp->mdoc = NULL;
726: curp->man = NULL;
727: }
728:
729: void
730: mparse_free(struct mparse *curp)
731: {
732:
733: if (curp->pmdoc)
734: mdoc_free(curp->pmdoc);
735: if (curp->pman)
736: man_free(curp->pman);
737: if (curp->roff)
738: roff_free(curp->roff);
1.4 schwarze 739: if (curp->secondary)
740: free(curp->secondary->buf);
1.1 schwarze 741:
1.4 schwarze 742: free(curp->secondary);
1.1 schwarze 743: free(curp);
744: }
745:
746: void
747: mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man)
748: {
749:
750: if (mdoc)
751: *mdoc = curp->mdoc;
752: if (man)
753: *man = curp->man;
754: }
755:
756: void
757: mandoc_vmsg(enum mandocerr t, struct mparse *m,
758: int ln, int pos, const char *fmt, ...)
759: {
760: char buf[256];
761: va_list ap;
762:
763: va_start(ap, fmt);
764: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
765: va_end(ap);
766:
767: mandoc_msg(t, m, ln, pos, buf);
768: }
769:
770: void
771: mandoc_msg(enum mandocerr er, struct mparse *m,
772: int ln, int col, const char *msg)
773: {
774: enum mandoclevel level;
775:
776: level = MANDOCLEVEL_FATAL;
777: while (er < mandoclimits[level])
778: level--;
779:
780: if (level < m->wlevel)
781: return;
782:
783: if (m->mmsg)
784: (*m->mmsg)(er, level, m->file, ln, col, msg);
785:
786: if (m->file_status < level)
787: m->file_status = level;
788: }
789:
790: const char *
791: mparse_strerror(enum mandocerr er)
792: {
793:
794: return(mandocerrs[er]);
795: }
796:
797: const char *
798: mparse_strlevel(enum mandoclevel lvl)
799: {
800: return(mandoclevels[lvl]);
1.4 schwarze 801: }
802:
803: void
804: mparse_keep(struct mparse *p)
805: {
806:
807: assert(NULL == p->secondary);
808: p->secondary = mandoc_calloc(1, sizeof(struct buf));
809: }
810:
811: const char *
812: mparse_getkeep(const struct mparse *p)
813: {
814:
815: assert(p->secondary);
816: return(p->secondary->sz ? p->secondary->buf : NULL);
1.1 schwarze 817: }