Annotation of mandoc/main.c, Revision 1.56
1.56 ! kristaps 1: /* $Id: main.c,v 1.55 2009/11/02 08:08:23 kristaps Exp $ */
1.1 kristaps 2: /*
1.26 kristaps 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
1.25 kristaps 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: *
1.25 kristaps 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>
1.45 kristaps 22: #include <stdint.h>
1.1 kristaps 23: #include <stdlib.h>
24: #include <string.h>
25: #include <unistd.h>
26:
27: #include "mdoc.h"
1.10 kristaps 28: #include "man.h"
1.46 kristaps 29: #include "main.h"
1.1 kristaps 30:
1.45 kristaps 31: #define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
32:
1.55 kristaps 33: /* FIXME: Intel's compiler? LLVM? pcc? */
34:
35: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56 ! kristaps 36: # if !defined(lint)
! 37: # define __attribute__(x)
! 38: # endif
1.55 kristaps 39: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16 kristaps 40:
1.3 kristaps 41: #ifdef __linux__
42: extern int getsubopt(char **, char * const *, char **);
1.49 kristaps 43: extern size_t strlcat(char *, const char *, size_t);
1.3 kristaps 44: #endif
45:
1.42 kristaps 46: typedef void (*out_mdoc)(void *, const struct mdoc *);
47: typedef void (*out_man)(void *, const struct man *);
1.22 kristaps 48: typedef void (*out_free)(void *);
49:
1.5 kristaps 50: struct buf {
51: char *buf;
52: size_t sz;
53: };
54:
1.19 kristaps 55: enum intt {
56: INTT_AUTO,
57: INTT_MDOC,
58: INTT_MAN
59: };
60:
61: enum outt {
62: OUTT_ASCII = 0,
63: OUTT_TREE,
1.43 kristaps 64: OUTT_HTML,
1.19 kristaps 65: OUTT_LINT
66: };
67:
1.5 kristaps 68: struct curparse {
1.22 kristaps 69: const char *file; /* Current parse. */
70: int fd; /* Current parse. */
1.5 kristaps 71: int wflags;
1.36 kristaps 72: #define WARN_WALL (1 << 0) /* All-warnings mask. */
1.1 kristaps 73: #define WARN_WERR (1 << 2) /* Warnings->errors. */
1.23 kristaps 74: int fflags;
75: #define IGN_SCOPE (1 << 0) /* Ignore scope errors. */
1.24 kristaps 76: #define NO_IGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
77: #define NO_IGN_MACRO (1 << 2) /* Don't ignore bad macros. */
78: #define NO_IGN_CHARS (1 << 3) /* Don't ignore bad chars. */
1.39 kristaps 79: #define IGN_ERRORS (1 << 4) /* Ignore failed parse. */
1.29 kristaps 80: enum intt inttype; /* Input parsers... */
1.19 kristaps 81: struct man *man;
1.22 kristaps 82: struct man *lastman;
1.19 kristaps 83: struct mdoc *mdoc;
1.22 kristaps 84: struct mdoc *lastmdoc;
1.29 kristaps 85: enum outt outtype; /* Output devices... */
1.22 kristaps 86: out_mdoc outmdoc;
87: out_man outman;
88: out_free outfree;
89: void *outdata;
1.49 kristaps 90: char outopts[BUFSIZ];
1.5 kristaps 91: };
1.1 kristaps 92:
93: static int foptions(int *, char *);
94: static int toptions(enum outt *, char *);
1.10 kristaps 95: static int moptions(enum intt *, char *);
1.1 kristaps 96: static int woptions(int *, char *);
97: static int merr(void *, int, int, const char *);
1.37 kristaps 98: static int mwarn(void *, int, int, const char *);
1.19 kristaps 99: static int ffile(struct buf *, struct buf *,
100: const char *, struct curparse *);
1.5 kristaps 101: static int fdesc(struct buf *, struct buf *,
1.19 kristaps 102: struct curparse *);
1.22 kristaps 103: static int pset(const char *, int, struct curparse *,
1.19 kristaps 104: struct man **, struct mdoc **);
105: static struct man *man_init(struct curparse *);
106: static struct mdoc *mdoc_init(struct curparse *);
1.55 kristaps 107: static void version(void) __attribute__((noreturn));
108: static void usage(void) __attribute__((noreturn));
1.1 kristaps 109:
1.54 kristaps 110: static const char *progname;
1.22 kristaps 111:
1.1 kristaps 112:
113: int
114: main(int argc, char *argv[])
115: {
1.19 kristaps 116: int c, rc;
1.5 kristaps 117: struct buf ln, blk;
118: struct curparse curp;
1.1 kristaps 119:
1.54 kristaps 120: progname = strrchr(argv[0], '/');
121: if (progname == NULL)
122: progname = argv[0];
123: else
124: ++progname;
125:
1.51 kristaps 126: memset(&curp, 0, sizeof(struct curparse));
1.5 kristaps 127:
1.19 kristaps 128: curp.inttype = INTT_AUTO;
1.22 kristaps 129: curp.outtype = OUTT_ASCII;
1.19 kristaps 130:
1.1 kristaps 131: /* LINTED */
1.47 kristaps 132: while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
1.1 kristaps 133: switch (c) {
134: case ('f'):
1.19 kristaps 135: if ( ! foptions(&curp.fflags, optarg))
1.32 kristaps 136: return(EXIT_FAILURE);
1.1 kristaps 137: break;
1.10 kristaps 138: case ('m'):
1.19 kristaps 139: if ( ! moptions(&curp.inttype, optarg))
1.32 kristaps 140: return(EXIT_FAILURE);
1.10 kristaps 141: break;
1.48 kristaps 142: case ('O'):
1.49 kristaps 143: (void)strlcat(curp.outopts, optarg, BUFSIZ);
144: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 145: break;
1.1 kristaps 146: case ('T'):
1.22 kristaps 147: if ( ! toptions(&curp.outtype, optarg))
1.32 kristaps 148: return(EXIT_FAILURE);
1.1 kristaps 149: break;
150: case ('W'):
1.5 kristaps 151: if ( ! woptions(&curp.wflags, optarg))
1.32 kristaps 152: return(EXIT_FAILURE);
1.1 kristaps 153: break;
154: case ('V'):
155: version();
156: /* NOTREACHED */
157: default:
158: usage();
159: /* NOTREACHED */
160: }
161:
162: argc -= optind;
163: argv += optind;
164:
1.51 kristaps 165: memset(&ln, 0, sizeof(struct buf));
166: memset(&blk, 0, sizeof(struct buf));
1.1 kristaps 167:
1.22 kristaps 168: rc = 1;
1.1 kristaps 169:
1.30 kristaps 170: if (NULL == *argv) {
171: curp.file = "<stdin>";
172: curp.fd = STDIN_FILENO;
1.39 kristaps 173:
174: c = fdesc(&blk, &ln, &curp);
175: if ( ! (IGN_ERRORS & curp.fflags))
176: rc = 1 == c ? 1 : 0;
177: else
178: rc = -1 == c ? 0 : 1;
1.30 kristaps 179: }
1.22 kristaps 180:
181: while (rc && *argv) {
1.39 kristaps 182: c = ffile(&blk, &ln, *argv, &curp);
183: if ( ! (IGN_ERRORS & curp.fflags))
184: rc = 1 == c ? 1 : 0;
185: else
186: rc = -1 == c ? 0 : 1;
187:
1.22 kristaps 188: argv++;
189: if (*argv && rc) {
190: if (curp.lastman)
1.52 kristaps 191: man_reset(curp.lastman);
1.22 kristaps 192: if (curp.lastmdoc)
1.52 kristaps 193: mdoc_reset(curp.lastmdoc);
1.22 kristaps 194: curp.lastman = NULL;
195: curp.lastmdoc = NULL;
1.4 kristaps 196: }
1.1 kristaps 197: }
198:
1.5 kristaps 199: if (blk.buf)
200: free(blk.buf);
201: if (ln.buf)
202: free(ln.buf);
1.22 kristaps 203: if (curp.outfree)
204: (*curp.outfree)(curp.outdata);
1.19 kristaps 205: if (curp.mdoc)
206: mdoc_free(curp.mdoc);
207: if (curp.man)
208: man_free(curp.man);
1.1 kristaps 209:
210: return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
211: }
212:
213:
1.55 kristaps 214: static void
1.1 kristaps 215: version(void)
216: {
217:
1.54 kristaps 218: (void)printf("%s %s\n", progname, VERSION);
1.18 kristaps 219: exit(EXIT_SUCCESS);
1.1 kristaps 220: }
221:
222:
1.55 kristaps 223: static void
1.1 kristaps 224: usage(void)
225: {
226:
1.12 kristaps 227: (void)fprintf(stderr, "usage: %s [-V] [-foption...] "
1.48 kristaps 228: "[-mformat] [-Ooption] [-Toutput] "
1.54 kristaps 229: "[-Werr...]\n", progname);
1.18 kristaps 230: exit(EXIT_FAILURE);
1.1 kristaps 231: }
232:
233:
1.19 kristaps 234: static struct man *
235: man_init(struct curparse *curp)
236: {
237: int pflags;
238: struct man_cb mancb;
239:
240: mancb.man_err = merr;
1.37 kristaps 241: mancb.man_warn = mwarn;
1.19 kristaps 242:
1.30 kristaps 243: /* Defaults from mandoc.1. */
1.27 kristaps 244:
1.33 kristaps 245: pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE | MAN_IGN_CHARS;
1.27 kristaps 246:
1.20 kristaps 247: if (curp->fflags & NO_IGN_MACRO)
248: pflags &= ~MAN_IGN_MACRO;
1.31 kristaps 249: if (curp->fflags & NO_IGN_CHARS)
250: pflags &= ~MAN_IGN_CHARS;
1.33 kristaps 251: if (curp->fflags & NO_IGN_ESCAPE)
252: pflags &= ~MAN_IGN_ESCAPE;
1.19 kristaps 253:
1.52 kristaps 254: return(man_alloc(curp, pflags, &mancb));
1.19 kristaps 255: }
256:
257:
258: static struct mdoc *
259: mdoc_init(struct curparse *curp)
260: {
261: int pflags;
262: struct mdoc_cb mdoccb;
263:
264: mdoccb.mdoc_err = merr;
1.37 kristaps 265: mdoccb.mdoc_warn = mwarn;
1.19 kristaps 266:
1.30 kristaps 267: /* Defaults from mandoc.1. */
1.27 kristaps 268:
1.24 kristaps 269: pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
1.19 kristaps 270:
271: if (curp->fflags & IGN_SCOPE)
272: pflags |= MDOC_IGN_SCOPE;
1.24 kristaps 273: if (curp->fflags & NO_IGN_ESCAPE)
274: pflags &= ~MDOC_IGN_ESCAPE;
275: if (curp->fflags & NO_IGN_MACRO)
276: pflags &= ~MDOC_IGN_MACRO;
277: if (curp->fflags & NO_IGN_CHARS)
278: pflags &= ~MDOC_IGN_CHARS;
1.19 kristaps 279:
1.52 kristaps 280: return(mdoc_alloc(curp, pflags, &mdoccb));
1.19 kristaps 281: }
282:
283:
284: static int
285: ffile(struct buf *blk, struct buf *ln,
286: const char *file, struct curparse *curp)
1.1 kristaps 287: {
1.19 kristaps 288: int c;
1.1 kristaps 289:
1.19 kristaps 290: curp->file = file;
291: if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
1.53 kristaps 292: perror(curp->file);
1.39 kristaps 293: return(-1);
1.1 kristaps 294: }
295:
1.19 kristaps 296: c = fdesc(blk, ln, curp);
1.1 kristaps 297:
1.19 kristaps 298: if (-1 == close(curp->fd))
1.53 kristaps 299: perror(curp->file);
1.1 kristaps 300:
301: return(c);
302: }
303:
304:
305: static int
1.19 kristaps 306: fdesc(struct buf *blk, struct buf *ln, struct curparse *curp)
1.1 kristaps 307: {
308: size_t sz;
309: ssize_t ssz;
310: struct stat st;
1.29 kristaps 311: int j, i, pos, lnn, comment;
1.19 kristaps 312: struct man *man;
313: struct mdoc *mdoc;
1.10 kristaps 314:
1.19 kristaps 315: sz = BUFSIZ;
316: man = NULL;
317: mdoc = NULL;
1.1 kristaps 318:
319: /*
1.19 kristaps 320: * Two buffers: ln and buf. buf is the input buffer optimised
321: * here for each file's block size. ln is a line buffer. Both
1.1 kristaps 322: * growable, hence passed in by ptr-ptr.
323: */
324:
1.19 kristaps 325: if (-1 == fstat(curp->fd, &st))
1.53 kristaps 326: perror(curp->file);
1.6 kristaps 327: else if ((size_t)st.st_blksize > sz)
328: sz = st.st_blksize;
1.1 kristaps 329:
1.5 kristaps 330: if (sz > blk->sz) {
331: blk->buf = realloc(blk->buf, sz);
1.19 kristaps 332: if (NULL == blk->buf) {
1.53 kristaps 333: perror(NULL);
334: exit(EXIT_FAILURE);
1.19 kristaps 335: }
1.5 kristaps 336: blk->sz = sz;
1.1 kristaps 337: }
338:
1.19 kristaps 339: /* Fill buf with file blocksize. */
1.1 kristaps 340:
1.29 kristaps 341: for (lnn = pos = comment = 0; ; ) {
1.19 kristaps 342: if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
1.53 kristaps 343: perror(curp->file);
1.39 kristaps 344: return(-1);
1.1 kristaps 345: } else if (0 == ssz)
346: break;
347:
1.19 kristaps 348: /* Parse the read block into partial or full lines. */
349:
1.1 kristaps 350: for (i = 0; i < (int)ssz; i++) {
1.5 kristaps 351: if (pos >= (int)ln->sz) {
352: ln->sz += 256; /* Step-size. */
353: ln->buf = realloc(ln->buf, ln->sz);
1.19 kristaps 354: if (NULL == ln->buf) {
1.53 kristaps 355: perror(NULL);
356: return(EXIT_FAILURE);
1.19 kristaps 357: }
1.1 kristaps 358: }
359:
1.5 kristaps 360: if ('\n' != blk->buf[i]) {
1.29 kristaps 361: if (comment)
362: continue;
1.5 kristaps 363: ln->buf[pos++] = blk->buf[i];
1.29 kristaps 364:
365: /* Handle in-line `\"' comments. */
366:
367: if (1 == pos || '\"' != ln->buf[pos - 1])
368: continue;
369:
370: for (j = pos - 2; j >= 0; j--)
371: if ('\\' != ln->buf[j])
372: break;
373:
374: if ( ! ((pos - 2 - j) % 2))
375: continue;
376:
377: comment = 1;
378: pos -= 2;
1.1 kristaps 379: continue;
1.29 kristaps 380: }
1.1 kristaps 381:
1.29 kristaps 382: /* Handle escaped `\\n' newlines. */
1.1 kristaps 383:
1.29 kristaps 384: if (pos > 0 && 0 == comment &&
385: '\\' == ln->buf[pos - 1]) {
1.1 kristaps 386: for (j = pos - 1; j >= 0; j--)
1.5 kristaps 387: if ('\\' != ln->buf[j])
1.1 kristaps 388: break;
389: if ( ! ((pos - j) % 2)) {
390: pos--;
391: lnn++;
392: continue;
393: }
394: }
395:
1.5 kristaps 396: ln->buf[pos] = 0;
1.19 kristaps 397: lnn++;
1.29 kristaps 398:
399: /* If unset, assign parser in pset(). */
1.19 kristaps 400:
401: if ( ! (man || mdoc) && ! pset(ln->buf,
402: pos, curp, &man, &mdoc))
1.39 kristaps 403: return(-1);
1.19 kristaps 404:
1.29 kristaps 405: pos = comment = 0;
1.19 kristaps 406:
1.30 kristaps 407: /* Pass down into parsers. */
408:
1.10 kristaps 409: if (man && ! man_parseln(man, lnn, ln->buf))
1.1 kristaps 410: return(0);
1.19 kristaps 411: if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
412: return(0);
1.1 kristaps 413: }
414: }
415:
1.29 kristaps 416: /* NOTE a parser may not have been assigned, yet. */
1.19 kristaps 417:
1.22 kristaps 418: if ( ! (man || mdoc)) {
1.53 kristaps 419: fprintf(stderr, "%s: Not a manual\n", curp->file);
1.22 kristaps 420: return(0);
421: }
422:
423: if (mdoc && ! mdoc_endparse(mdoc))
424: return(0);
425: if (man && ! man_endparse(man))
426: return(0);
1.19 kristaps 427:
1.29 kristaps 428: /* If unset, allocate output dev now (if applicable). */
1.22 kristaps 429:
430: if ( ! (curp->outman && curp->outmdoc)) {
431: switch (curp->outtype) {
1.43 kristaps 432: case (OUTT_HTML):
1.44 kristaps 433: curp->outdata = html_alloc(curp->outopts);
1.43 kristaps 434: curp->outman = html_man;
435: curp->outmdoc = html_mdoc;
436: curp->outfree = html_free;
437: break;
1.22 kristaps 438: case (OUTT_TREE):
439: curp->outman = tree_man;
440: curp->outmdoc = tree_mdoc;
441: break;
442: case (OUTT_LINT):
443: break;
444: default:
445: curp->outdata = ascii_alloc();
446: curp->outman = terminal_man;
447: curp->outmdoc = terminal_mdoc;
448: curp->outfree = terminal_free;
449: break;
450: }
451: }
452:
453: /* Execute the out device, if it exists. */
454:
455: if (man && curp->outman)
1.42 kristaps 456: (*curp->outman)(curp->outdata, man);
1.22 kristaps 457: if (mdoc && curp->outmdoc)
1.42 kristaps 458: (*curp->outmdoc)(curp->outdata, mdoc);
1.22 kristaps 459:
460: return(1);
1.19 kristaps 461: }
462:
463:
464: static int
1.22 kristaps 465: pset(const char *buf, int pos, struct curparse *curp,
1.19 kristaps 466: struct man **man, struct mdoc **mdoc)
467: {
1.29 kristaps 468: int i;
1.19 kristaps 469:
470: /*
471: * Try to intuit which kind of manual parser should be used. If
472: * passed in by command-line (-man, -mdoc), then use that
473: * explicitly. If passed as -mandoc, then try to guess from the
1.30 kristaps 474: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
1.19 kristaps 475: * default to -man, which is more lenient.
476: */
477:
1.29 kristaps 478: if (buf[0] == '.') {
479: for (i = 1; buf[i]; i++)
480: if (' ' != buf[i] && '\t' != buf[i])
481: break;
482: if (0 == buf[i])
483: return(1);
484: }
1.10 kristaps 485:
1.19 kristaps 486: switch (curp->inttype) {
487: case (INTT_MDOC):
488: if (NULL == curp->mdoc)
489: curp->mdoc = mdoc_init(curp);
490: if (NULL == (*mdoc = curp->mdoc))
491: return(0);
1.22 kristaps 492: curp->lastmdoc = *mdoc;
1.19 kristaps 493: return(1);
494: case (INTT_MAN):
495: if (NULL == curp->man)
496: curp->man = man_init(curp);
497: if (NULL == (*man = curp->man))
498: return(0);
1.22 kristaps 499: curp->lastman = *man;
1.19 kristaps 500: return(1);
501: default:
502: break;
503: }
504:
505: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
506: if (NULL == curp->mdoc)
507: curp->mdoc = mdoc_init(curp);
508: if (NULL == (*mdoc = curp->mdoc))
509: return(0);
1.22 kristaps 510: curp->lastmdoc = *mdoc;
1.19 kristaps 511: return(1);
512: }
513:
514: if (NULL == curp->man)
515: curp->man = man_init(curp);
516: if (NULL == (*man = curp->man))
517: return(0);
1.22 kristaps 518: curp->lastman = *man;
1.19 kristaps 519: return(1);
1.10 kristaps 520: }
521:
522:
523: static int
524: moptions(enum intt *tflags, char *arg)
525: {
526:
1.17 kristaps 527: if (0 == strcmp(arg, "doc"))
1.10 kristaps 528: *tflags = INTT_MDOC;
1.19 kristaps 529: else if (0 == strcmp(arg, "andoc"))
530: *tflags = INTT_AUTO;
1.17 kristaps 531: else if (0 == strcmp(arg, "an"))
1.10 kristaps 532: *tflags = INTT_MAN;
533: else {
1.53 kristaps 534: fprintf(stderr, "%s: Bad argument", arg);
1.10 kristaps 535: return(0);
536: }
537:
538: return(1);
1.1 kristaps 539: }
540:
541:
542: static int
543: toptions(enum outt *tflags, char *arg)
544: {
545:
546: if (0 == strcmp(arg, "ascii"))
547: *tflags = OUTT_ASCII;
548: else if (0 == strcmp(arg, "lint"))
549: *tflags = OUTT_LINT;
550: else if (0 == strcmp(arg, "tree"))
551: *tflags = OUTT_TREE;
1.43 kristaps 552: else if (0 == strcmp(arg, "html"))
553: *tflags = OUTT_HTML;
1.1 kristaps 554: else {
1.53 kristaps 555: fprintf(stderr, "%s: Bad argument", arg);
1.1 kristaps 556: return(0);
557: }
558:
559: return(1);
560: }
561:
562:
563: static int
564: foptions(int *fflags, char *arg)
565: {
1.34 kristaps 566: char *v, *o;
1.50 kristaps 567: const char *toks[8];
1.1 kristaps 568:
569: toks[0] = "ign-scope";
1.24 kristaps 570: toks[1] = "no-ign-escape";
571: toks[2] = "no-ign-macro";
572: toks[3] = "no-ign-chars";
1.39 kristaps 573: toks[4] = "ign-errors";
574: toks[5] = "strict";
1.50 kristaps 575: toks[6] = "ign-escape";
576: toks[7] = NULL;
1.1 kristaps 577:
1.34 kristaps 578: while (*arg) {
579: o = arg;
1.45 kristaps 580: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 581: case (0):
1.15 kristaps 582: *fflags |= IGN_SCOPE;
1.1 kristaps 583: break;
584: case (1):
1.24 kristaps 585: *fflags |= NO_IGN_ESCAPE;
1.1 kristaps 586: break;
587: case (2):
1.24 kristaps 588: *fflags |= NO_IGN_MACRO;
1.1 kristaps 589: break;
1.20 kristaps 590: case (3):
1.24 kristaps 591: *fflags |= NO_IGN_CHARS;
592: break;
593: case (4):
1.39 kristaps 594: *fflags |= IGN_ERRORS;
595: break;
596: case (5):
1.24 kristaps 597: *fflags |= NO_IGN_ESCAPE |
598: NO_IGN_MACRO | NO_IGN_CHARS;
1.20 kristaps 599: break;
1.50 kristaps 600: case (6):
601: *fflags &= ~NO_IGN_ESCAPE;
602: break;
1.1 kristaps 603: default:
1.53 kristaps 604: fprintf(stderr, "%s: Bad argument", o);
1.1 kristaps 605: return(0);
606: }
1.34 kristaps 607: }
1.1 kristaps 608:
609: return(1);
610: }
611:
612:
613: static int
614: woptions(int *wflags, char *arg)
615: {
1.34 kristaps 616: char *v, *o;
1.45 kristaps 617: const char *toks[3];
1.1 kristaps 618:
619: toks[0] = "all";
1.36 kristaps 620: toks[1] = "error";
621: toks[2] = NULL;
1.1 kristaps 622:
1.34 kristaps 623: while (*arg) {
624: o = arg;
1.45 kristaps 625: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 626: case (0):
627: *wflags |= WARN_WALL;
628: break;
629: case (1):
630: *wflags |= WARN_WERR;
631: break;
632: default:
1.53 kristaps 633: fprintf(stderr, "%s: Bad argument", o);
1.1 kristaps 634: return(0);
635: }
1.34 kristaps 636: }
1.1 kristaps 637:
638: return(1);
639: }
640:
641:
1.2 kristaps 642: /* ARGSUSED */
1.1 kristaps 643: static int
644: merr(void *arg, int line, int col, const char *msg)
645: {
1.5 kristaps 646: struct curparse *curp;
647:
648: curp = (struct curparse *)arg;
1.36 kristaps 649:
1.40 kristaps 650: (void)fprintf(stderr, "%s:%d:%d: error: %s\n",
651: curp->file, line, col + 1, msg);
1.27 kristaps 652:
1.1 kristaps 653: return(0);
654: }
655:
656:
657: static int
1.37 kristaps 658: mwarn(void *arg, int line, int col, const char *msg)
1.1 kristaps 659: {
1.5 kristaps 660: struct curparse *curp;
1.1 kristaps 661:
1.5 kristaps 662: curp = (struct curparse *)arg;
1.1 kristaps 663:
1.36 kristaps 664: if ( ! (curp->wflags & WARN_WALL))
665: return(1);
666:
1.40 kristaps 667: (void)fprintf(stderr, "%s:%d:%d: warning: %s\n",
668: curp->file, line, col + 1, msg);
1.1 kristaps 669:
1.5 kristaps 670: if ( ! (curp->wflags & WARN_WERR))
1.1 kristaps 671: return(1);
1.27 kristaps 672:
1.1 kristaps 673: return(0);
674: }
675:
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