Annotation of src/usr.bin/mandoc/main.c, Revision 1.23
1.23 ! jmc 1: /* $Id: main.c,v 1.22 2010/03/26 01:22:05 schwarze Exp $ */
1.1 kristaps 2: /*
1.2 schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.2 schwarze 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #include <sys/stat.h>
18:
19: #include <assert.h>
20: #include <fcntl.h>
21: #include <stdio.h>
1.17 schwarze 22: #include <stdint.h>
1.1 kristaps 23: #include <stdlib.h>
24: #include <string.h>
25: #include <unistd.h>
26:
27: #include "mdoc.h"
28: #include "man.h"
1.17 schwarze 29: #include "main.h"
30:
31: #define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
1.1 kristaps 32:
1.16 schwarze 33: typedef void (*out_mdoc)(void *, const struct mdoc *);
34: typedef void (*out_man)(void *, const struct man *);
1.1 kristaps 35: typedef void (*out_free)(void *);
36:
37: struct buf {
38: char *buf;
39: size_t sz;
40: };
41:
42: enum intt {
43: INTT_AUTO,
44: INTT_MDOC,
45: INTT_MAN
46: };
47:
48: enum outt {
49: OUTT_ASCII = 0,
50: OUTT_TREE,
1.17 schwarze 51: OUTT_HTML,
1.21 schwarze 52: OUTT_XHTML,
1.1 kristaps 53: OUTT_LINT
54: };
55:
56: struct curparse {
57: const char *file; /* Current parse. */
58: int fd; /* Current parse. */
59: int wflags;
1.13 schwarze 60: #define WARN_WALL (1 << 0) /* All-warnings mask. */
1.1 kristaps 61: #define WARN_WERR (1 << 2) /* Warnings->errors. */
62: int fflags;
1.22 schwarze 63: #define FL_IGN_SCOPE (1 << 0) /* Ignore scope errors. */
64: #define FL_NIGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
65: #define FL_NIGN_MACRO (1 << 2) /* Don't ignore bad macros. */
66: #define FL_NIGN_CHARS (1 << 3) /* Don't ignore bad chars. */
67: #define FL_IGN_ERRORS (1 << 4) /* Ignore failed parse. */
1.6 schwarze 68: enum intt inttype; /* Input parsers... */
1.1 kristaps 69: struct man *man;
70: struct man *lastman;
71: struct mdoc *mdoc;
72: struct mdoc *lastmdoc;
1.6 schwarze 73: enum outt outtype; /* Output devices... */
1.1 kristaps 74: out_mdoc outmdoc;
75: out_man outman;
76: out_free outfree;
77: void *outdata;
1.18 schwarze 78: char outopts[BUFSIZ];
1.1 kristaps 79: };
80:
1.22 schwarze 81: #define FL_STRICT FL_NIGN_ESCAPE | \
82: FL_NIGN_MACRO | \
83: FL_NIGN_CHARS
84:
1.1 kristaps 85: static int foptions(int *, char *);
1.22 schwarze 86: static int toptions(struct curparse *, char *);
1.1 kristaps 87: static int moptions(enum intt *, char *);
88: static int woptions(int *, char *);
89: static int merr(void *, int, int, const char *);
1.12 schwarze 90: static int mwarn(void *, int, int, const char *);
1.1 kristaps 91: static int ffile(struct buf *, struct buf *,
92: const char *, struct curparse *);
93: static int fdesc(struct buf *, struct buf *,
94: struct curparse *);
95: static int pset(const char *, int, struct curparse *,
96: struct man **, struct mdoc **);
97: static struct man *man_init(struct curparse *);
98: static struct mdoc *mdoc_init(struct curparse *);
1.20 schwarze 99: static void version(void) __attribute__((noreturn));
100: static void usage(void) __attribute__((noreturn));
1.1 kristaps 101:
1.19 schwarze 102: static const char *progname;
1.1 kristaps 103:
104:
105: int
106: main(int argc, char *argv[])
107: {
108: int c, rc;
109: struct buf ln, blk;
110: struct curparse curp;
111:
1.19 schwarze 112: progname = strrchr(argv[0], '/');
113: if (progname == NULL)
114: progname = argv[0];
115: else
116: ++progname;
117:
118: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 119:
120: curp.inttype = INTT_AUTO;
121: curp.outtype = OUTT_ASCII;
122:
123: /* LINTED */
1.18 schwarze 124: while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
1.1 kristaps 125: switch (c) {
126: case ('f'):
127: if ( ! foptions(&curp.fflags, optarg))
1.9 schwarze 128: return(EXIT_FAILURE);
1.1 kristaps 129: break;
130: case ('m'):
131: if ( ! moptions(&curp.inttype, optarg))
1.9 schwarze 132: return(EXIT_FAILURE);
1.1 kristaps 133: break;
1.18 schwarze 134: case ('O'):
135: (void)strlcat(curp.outopts, optarg, BUFSIZ);
136: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 137: break;
1.1 kristaps 138: case ('T'):
1.22 schwarze 139: if ( ! toptions(&curp, optarg))
1.9 schwarze 140: return(EXIT_FAILURE);
1.1 kristaps 141: break;
142: case ('W'):
143: if ( ! woptions(&curp.wflags, optarg))
1.9 schwarze 144: return(EXIT_FAILURE);
1.1 kristaps 145: break;
1.3 schwarze 146: case ('V'):
147: version();
148: /* NOTREACHED */
1.1 kristaps 149: default:
150: usage();
151: /* NOTREACHED */
152: }
153:
154: argc -= optind;
155: argv += optind;
156:
1.19 schwarze 157: memset(&ln, 0, sizeof(struct buf));
158: memset(&blk, 0, sizeof(struct buf));
1.1 kristaps 159:
160: rc = 1;
161:
1.7 schwarze 162: if (NULL == *argv) {
163: curp.file = "<stdin>";
164: curp.fd = STDIN_FILENO;
1.14 schwarze 165:
166: c = fdesc(&blk, &ln, &curp);
1.22 schwarze 167: if ( ! (FL_IGN_ERRORS & curp.fflags))
1.14 schwarze 168: rc = 1 == c ? 1 : 0;
169: else
170: rc = -1 == c ? 0 : 1;
1.7 schwarze 171: }
1.1 kristaps 172:
173: while (rc && *argv) {
1.14 schwarze 174: c = ffile(&blk, &ln, *argv, &curp);
1.22 schwarze 175: if ( ! (FL_IGN_ERRORS & curp.fflags))
1.14 schwarze 176: rc = 1 == c ? 1 : 0;
177: else
178: rc = -1 == c ? 0 : 1;
179:
1.1 kristaps 180: argv++;
181: if (*argv && rc) {
182: if (curp.lastman)
1.19 schwarze 183: man_reset(curp.lastman);
1.1 kristaps 184: if (curp.lastmdoc)
1.19 schwarze 185: mdoc_reset(curp.lastmdoc);
1.1 kristaps 186: curp.lastman = NULL;
187: curp.lastmdoc = NULL;
188: }
189: }
190:
191: if (blk.buf)
192: free(blk.buf);
193: if (ln.buf)
194: free(ln.buf);
195: if (curp.outfree)
196: (*curp.outfree)(curp.outdata);
197: if (curp.mdoc)
198: mdoc_free(curp.mdoc);
199: if (curp.man)
200: man_free(curp.man);
201:
202: return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
203: }
204:
205:
1.20 schwarze 206: static void
1.3 schwarze 207: version(void)
208: {
209:
1.19 schwarze 210: (void)printf("%s %s\n", progname, VERSION);
1.3 schwarze 211: exit(EXIT_SUCCESS);
212: }
213:
214:
1.20 schwarze 215: static void
1.1 kristaps 216: usage(void)
217: {
218:
1.23 ! jmc 219: (void)fprintf(stderr, "usage: %s [-V] [-foption] "
1.18 schwarze 220: "[-mformat] [-Ooption] [-Toutput] "
1.23 ! jmc 221: "[-Werr] [file...]\n", progname);
1.1 kristaps 222: exit(EXIT_FAILURE);
223: }
224:
225:
226: static struct man *
227: man_init(struct curparse *curp)
228: {
229: int pflags;
230: struct man_cb mancb;
231:
232: mancb.man_err = merr;
1.12 schwarze 233: mancb.man_warn = mwarn;
1.1 kristaps 234:
1.6 schwarze 235: /* Defaults from mandoc.1. */
1.2 schwarze 236:
1.11 schwarze 237: pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE | MAN_IGN_CHARS;
1.2 schwarze 238:
1.22 schwarze 239: if (curp->fflags & FL_NIGN_MACRO)
1.1 kristaps 240: pflags &= ~MAN_IGN_MACRO;
1.22 schwarze 241: if (curp->fflags & FL_NIGN_CHARS)
1.8 schwarze 242: pflags &= ~MAN_IGN_CHARS;
1.22 schwarze 243: if (curp->fflags & FL_NIGN_ESCAPE)
1.11 schwarze 244: pflags &= ~MAN_IGN_ESCAPE;
1.1 kristaps 245:
1.19 schwarze 246: return(man_alloc(curp, pflags, &mancb));
1.1 kristaps 247: }
248:
249:
250: static struct mdoc *
251: mdoc_init(struct curparse *curp)
252: {
253: int pflags;
254: struct mdoc_cb mdoccb;
255:
256: mdoccb.mdoc_err = merr;
1.12 schwarze 257: mdoccb.mdoc_warn = mwarn;
1.1 kristaps 258:
1.6 schwarze 259: /* Defaults from mandoc.1. */
1.2 schwarze 260:
1.1 kristaps 261: pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
262:
1.22 schwarze 263: if (curp->fflags & FL_IGN_SCOPE)
1.1 kristaps 264: pflags |= MDOC_IGN_SCOPE;
1.22 schwarze 265: if (curp->fflags & FL_NIGN_ESCAPE)
1.1 kristaps 266: pflags &= ~MDOC_IGN_ESCAPE;
1.22 schwarze 267: if (curp->fflags & FL_NIGN_MACRO)
1.1 kristaps 268: pflags &= ~MDOC_IGN_MACRO;
1.22 schwarze 269: if (curp->fflags & FL_NIGN_CHARS)
1.1 kristaps 270: pflags &= ~MDOC_IGN_CHARS;
271:
1.19 schwarze 272: return(mdoc_alloc(curp, pflags, &mdoccb));
1.1 kristaps 273: }
274:
275:
276: static int
277: ffile(struct buf *blk, struct buf *ln,
278: const char *file, struct curparse *curp)
279: {
280: int c;
281:
282: curp->file = file;
283: if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
1.19 schwarze 284: perror(curp->file);
1.14 schwarze 285: return(-1);
1.1 kristaps 286: }
287:
288: c = fdesc(blk, ln, curp);
289:
290: if (-1 == close(curp->fd))
1.19 schwarze 291: perror(curp->file);
1.1 kristaps 292:
293: return(c);
294: }
295:
296:
297: static int
298: fdesc(struct buf *blk, struct buf *ln, struct curparse *curp)
299: {
300: size_t sz;
301: ssize_t ssz;
302: struct stat st;
1.5 schwarze 303: int j, i, pos, lnn, comment;
1.1 kristaps 304: struct man *man;
305: struct mdoc *mdoc;
306:
307: sz = BUFSIZ;
308: man = NULL;
309: mdoc = NULL;
310:
311: /*
312: * Two buffers: ln and buf. buf is the input buffer optimised
313: * here for each file's block size. ln is a line buffer. Both
314: * growable, hence passed in by ptr-ptr.
315: */
316:
317: if (-1 == fstat(curp->fd, &st))
1.19 schwarze 318: perror(curp->file);
1.1 kristaps 319: else if ((size_t)st.st_blksize > sz)
320: sz = st.st_blksize;
321:
322: if (sz > blk->sz) {
323: blk->buf = realloc(blk->buf, sz);
324: if (NULL == blk->buf) {
1.19 schwarze 325: perror(NULL);
326: exit(EXIT_FAILURE);
1.1 kristaps 327: }
328: blk->sz = sz;
329: }
330:
331: /* Fill buf with file blocksize. */
332:
1.5 schwarze 333: for (lnn = pos = comment = 0; ; ) {
1.1 kristaps 334: if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
1.19 schwarze 335: perror(curp->file);
1.14 schwarze 336: return(-1);
1.1 kristaps 337: } else if (0 == ssz)
338: break;
339:
340: /* Parse the read block into partial or full lines. */
341:
342: for (i = 0; i < (int)ssz; i++) {
343: if (pos >= (int)ln->sz) {
344: ln->sz += 256; /* Step-size. */
345: ln->buf = realloc(ln->buf, ln->sz);
346: if (NULL == ln->buf) {
1.19 schwarze 347: perror(NULL);
348: return(EXIT_FAILURE);
1.1 kristaps 349: }
350: }
351:
352: if ('\n' != blk->buf[i]) {
1.5 schwarze 353: if (comment)
354: continue;
1.1 kristaps 355: ln->buf[pos++] = blk->buf[i];
1.5 schwarze 356:
357: /* Handle in-line `\"' comments. */
358:
359: if (1 == pos || '\"' != ln->buf[pos - 1])
360: continue;
361:
362: for (j = pos - 2; j >= 0; j--)
363: if ('\\' != ln->buf[j])
364: break;
365:
366: if ( ! ((pos - 2 - j) % 2))
367: continue;
368:
369: comment = 1;
370: pos -= 2;
1.1 kristaps 371: continue;
1.5 schwarze 372: }
1.1 kristaps 373:
1.5 schwarze 374: /* Handle escaped `\\n' newlines. */
1.1 kristaps 375:
1.5 schwarze 376: if (pos > 0 && 0 == comment &&
377: '\\' == ln->buf[pos - 1]) {
1.1 kristaps 378: for (j = pos - 1; j >= 0; j--)
379: if ('\\' != ln->buf[j])
380: break;
381: if ( ! ((pos - j) % 2)) {
382: pos--;
383: lnn++;
384: continue;
385: }
386: }
387:
388: ln->buf[pos] = 0;
389: lnn++;
1.5 schwarze 390:
391: /* If unset, assign parser in pset(). */
1.1 kristaps 392:
393: if ( ! (man || mdoc) && ! pset(ln->buf,
394: pos, curp, &man, &mdoc))
1.14 schwarze 395: return(-1);
1.1 kristaps 396:
1.5 schwarze 397: pos = comment = 0;
398:
399: /* Pass down into parsers. */
1.1 kristaps 400:
401: if (man && ! man_parseln(man, lnn, ln->buf))
402: return(0);
403: if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
404: return(0);
405: }
406: }
407:
1.5 schwarze 408: /* NOTE a parser may not have been assigned, yet. */
1.1 kristaps 409:
410: if ( ! (man || mdoc)) {
1.19 schwarze 411: fprintf(stderr, "%s: Not a manual\n", curp->file);
1.1 kristaps 412: return(0);
413: }
414:
415: if (mdoc && ! mdoc_endparse(mdoc))
416: return(0);
417: if (man && ! man_endparse(man))
418: return(0);
419:
1.5 schwarze 420: /* If unset, allocate output dev now (if applicable). */
1.1 kristaps 421:
422: if ( ! (curp->outman && curp->outmdoc)) {
423: switch (curp->outtype) {
1.21 schwarze 424: case (OUTT_XHTML):
425: curp->outdata = xhtml_alloc(curp->outopts);
426: curp->outman = html_man;
427: curp->outmdoc = html_mdoc;
428: curp->outfree = html_free;
429: break;
1.17 schwarze 430: case (OUTT_HTML):
431: curp->outdata = html_alloc(curp->outopts);
432: curp->outman = html_man;
433: curp->outmdoc = html_mdoc;
434: curp->outfree = html_free;
435: break;
1.1 kristaps 436: case (OUTT_TREE):
437: curp->outman = tree_man;
438: curp->outmdoc = tree_mdoc;
439: break;
440: case (OUTT_LINT):
441: break;
442: default:
443: curp->outdata = ascii_alloc();
444: curp->outman = terminal_man;
445: curp->outmdoc = terminal_mdoc;
446: curp->outfree = terminal_free;
447: break;
448: }
449: }
450:
451: /* Execute the out device, if it exists. */
452:
453: if (man && curp->outman)
1.16 schwarze 454: (*curp->outman)(curp->outdata, man);
1.1 kristaps 455: if (mdoc && curp->outmdoc)
1.16 schwarze 456: (*curp->outmdoc)(curp->outdata, mdoc);
1.1 kristaps 457:
458: return(1);
459: }
460:
461:
462: static int
463: pset(const char *buf, int pos, struct curparse *curp,
464: struct man **man, struct mdoc **mdoc)
465: {
1.5 schwarze 466: int i;
1.1 kristaps 467:
468: /*
469: * Try to intuit which kind of manual parser should be used. If
470: * passed in by command-line (-man, -mdoc), then use that
471: * explicitly. If passed as -mandoc, then try to guess from the
1.5 schwarze 472: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
1.1 kristaps 473: * default to -man, which is more lenient.
474: */
475:
1.5 schwarze 476: if (buf[0] == '.') {
477: for (i = 1; buf[i]; i++)
478: if (' ' != buf[i] && '\t' != buf[i])
479: break;
480: if (0 == buf[i])
481: return(1);
482: }
1.1 kristaps 483:
484: switch (curp->inttype) {
485: case (INTT_MDOC):
486: if (NULL == curp->mdoc)
487: curp->mdoc = mdoc_init(curp);
488: if (NULL == (*mdoc = curp->mdoc))
489: return(0);
490: curp->lastmdoc = *mdoc;
491: return(1);
492: case (INTT_MAN):
493: if (NULL == curp->man)
494: curp->man = man_init(curp);
495: if (NULL == (*man = curp->man))
496: return(0);
497: curp->lastman = *man;
498: return(1);
499: default:
500: break;
501: }
502:
503: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
504: if (NULL == curp->mdoc)
505: curp->mdoc = mdoc_init(curp);
506: if (NULL == (*mdoc = curp->mdoc))
507: return(0);
508: curp->lastmdoc = *mdoc;
509: return(1);
510: }
511:
512: if (NULL == curp->man)
513: curp->man = man_init(curp);
514: if (NULL == (*man = curp->man))
515: return(0);
516: curp->lastman = *man;
517: return(1);
518: }
519:
520:
521: static int
522: moptions(enum intt *tflags, char *arg)
523: {
524:
525: if (0 == strcmp(arg, "doc"))
526: *tflags = INTT_MDOC;
527: else if (0 == strcmp(arg, "andoc"))
528: *tflags = INTT_AUTO;
529: else if (0 == strcmp(arg, "an"))
530: *tflags = INTT_MAN;
531: else {
1.20 schwarze 532: fprintf(stderr, "%s: Bad argument\n", arg);
1.1 kristaps 533: return(0);
534: }
535:
536: return(1);
537: }
538:
539:
540: static int
1.22 schwarze 541: toptions(struct curparse *curp, char *arg)
1.1 kristaps 542: {
543:
544: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 545: curp->outtype = OUTT_ASCII;
546: else if (0 == strcmp(arg, "lint")) {
547: curp->outtype = OUTT_LINT;
548: curp->wflags |= WARN_WALL;
549: curp->fflags |= FL_STRICT;
550: }
1.1 kristaps 551: else if (0 == strcmp(arg, "tree"))
1.22 schwarze 552: curp->outtype = OUTT_TREE;
1.17 schwarze 553: else if (0 == strcmp(arg, "html"))
1.22 schwarze 554: curp->outtype = OUTT_HTML;
1.21 schwarze 555: else if (0 == strcmp(arg, "xhtml"))
1.22 schwarze 556: curp->outtype = OUTT_XHTML;
1.1 kristaps 557: else {
1.20 schwarze 558: fprintf(stderr, "%s: Bad argument\n", arg);
1.1 kristaps 559: return(0);
560: }
561:
562: return(1);
563: }
564:
565:
566: static int
567: foptions(int *fflags, char *arg)
568: {
1.10 schwarze 569: char *v, *o;
1.19 schwarze 570: const char *toks[8];
1.1 kristaps 571:
572: toks[0] = "ign-scope";
573: toks[1] = "no-ign-escape";
574: toks[2] = "no-ign-macro";
575: toks[3] = "no-ign-chars";
1.14 schwarze 576: toks[4] = "ign-errors";
577: toks[5] = "strict";
1.19 schwarze 578: toks[6] = "ign-escape";
579: toks[7] = NULL;
1.1 kristaps 580:
1.10 schwarze 581: while (*arg) {
582: o = arg;
1.17 schwarze 583: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 584: case (0):
1.22 schwarze 585: *fflags |= FL_IGN_SCOPE;
1.1 kristaps 586: break;
587: case (1):
1.22 schwarze 588: *fflags |= FL_NIGN_ESCAPE;
1.1 kristaps 589: break;
590: case (2):
1.22 schwarze 591: *fflags |= FL_NIGN_MACRO;
1.1 kristaps 592: break;
593: case (3):
1.22 schwarze 594: *fflags |= FL_NIGN_CHARS;
1.1 kristaps 595: break;
596: case (4):
1.22 schwarze 597: *fflags |= FL_IGN_ERRORS;
1.14 schwarze 598: break;
599: case (5):
1.22 schwarze 600: *fflags |= FL_STRICT;
1.1 kristaps 601: break;
1.19 schwarze 602: case (6):
1.22 schwarze 603: *fflags &= ~FL_NIGN_ESCAPE;
1.19 schwarze 604: break;
1.1 kristaps 605: default:
1.20 schwarze 606: fprintf(stderr, "%s: Bad argument\n", o);
1.1 kristaps 607: return(0);
608: }
1.10 schwarze 609: }
1.1 kristaps 610:
611: return(1);
612: }
613:
614:
615: static int
616: woptions(int *wflags, char *arg)
617: {
1.10 schwarze 618: char *v, *o;
1.17 schwarze 619: const char *toks[3];
1.1 kristaps 620:
621: toks[0] = "all";
1.13 schwarze 622: toks[1] = "error";
623: toks[2] = NULL;
1.1 kristaps 624:
1.10 schwarze 625: while (*arg) {
626: o = arg;
1.17 schwarze 627: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 628: case (0):
629: *wflags |= WARN_WALL;
630: break;
631: case (1):
632: *wflags |= WARN_WERR;
633: break;
634: default:
1.20 schwarze 635: fprintf(stderr, "%s: Bad argument\n", o);
1.1 kristaps 636: return(0);
637: }
1.10 schwarze 638: }
1.1 kristaps 639:
640: return(1);
641: }
642:
643:
644: /* ARGSUSED */
645: static int
646: merr(void *arg, int line, int col, const char *msg)
647: {
648: struct curparse *curp;
649:
650: curp = (struct curparse *)arg;
1.13 schwarze 651:
1.15 schwarze 652: (void)fprintf(stderr, "%s:%d:%d: error: %s\n",
653: curp->file, line, col + 1, msg);
1.2 schwarze 654:
1.1 kristaps 655: return(0);
656: }
657:
658:
659: static int
1.12 schwarze 660: mwarn(void *arg, int line, int col, const char *msg)
1.1 kristaps 661: {
662: struct curparse *curp;
663:
664: curp = (struct curparse *)arg;
665:
1.12 schwarze 666: if ( ! (curp->wflags & WARN_WALL))
1.1 kristaps 667: return(1);
668:
1.15 schwarze 669: (void)fprintf(stderr, "%s:%d:%d: warning: %s\n",
670: curp->file, line, col + 1, msg);
1.1 kristaps 671:
672: if ( ! (curp->wflags & WARN_WERR))
673: return(1);
1.2 schwarze 674:
1.1 kristaps 675: return(0);
676: }
677:
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