Annotation of mandoc/main.c, Revision 1.58
1.58 ! kristaps 1: /* $Id: main.c,v 1.57 2009/11/02 08:29:25 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: */
1.58 ! kristaps 17: #ifdef HAVE_CONFIG_H
! 18: #include "config.h"
! 19: #endif
! 20:
1.1 kristaps 21: #include <sys/stat.h>
22:
23: #include <assert.h>
24: #include <fcntl.h>
25: #include <stdio.h>
1.45 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdlib.h>
28: #include <string.h>
29: #include <unistd.h>
30:
31: #include "mdoc.h"
1.10 kristaps 32: #include "man.h"
1.46 kristaps 33: #include "main.h"
1.1 kristaps 34:
1.45 kristaps 35: #define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
36:
1.55 kristaps 37: /* FIXME: Intel's compiler? LLVM? pcc? */
38:
39: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56 kristaps 40: # if !defined(lint)
41: # define __attribute__(x)
42: # endif
1.55 kristaps 43: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16 kristaps 44:
1.42 kristaps 45: typedef void (*out_mdoc)(void *, const struct mdoc *);
46: typedef void (*out_man)(void *, const struct man *);
1.22 kristaps 47: typedef void (*out_free)(void *);
48:
1.5 kristaps 49: struct buf {
50: char *buf;
51: size_t sz;
52: };
53:
1.19 kristaps 54: enum intt {
55: INTT_AUTO,
56: INTT_MDOC,
57: INTT_MAN
58: };
59:
60: enum outt {
61: OUTT_ASCII = 0,
62: OUTT_TREE,
1.43 kristaps 63: OUTT_HTML,
1.19 kristaps 64: OUTT_LINT
65: };
66:
1.5 kristaps 67: struct curparse {
1.22 kristaps 68: const char *file; /* Current parse. */
69: int fd; /* Current parse. */
1.5 kristaps 70: int wflags;
1.36 kristaps 71: #define WARN_WALL (1 << 0) /* All-warnings mask. */
1.1 kristaps 72: #define WARN_WERR (1 << 2) /* Warnings->errors. */
1.23 kristaps 73: int fflags;
74: #define IGN_SCOPE (1 << 0) /* Ignore scope errors. */
1.24 kristaps 75: #define NO_IGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
76: #define NO_IGN_MACRO (1 << 2) /* Don't ignore bad macros. */
77: #define NO_IGN_CHARS (1 << 3) /* Don't ignore bad chars. */
1.39 kristaps 78: #define IGN_ERRORS (1 << 4) /* Ignore failed parse. */
1.29 kristaps 79: enum intt inttype; /* Input parsers... */
1.19 kristaps 80: struct man *man;
1.22 kristaps 81: struct man *lastman;
1.19 kristaps 82: struct mdoc *mdoc;
1.22 kristaps 83: struct mdoc *lastmdoc;
1.29 kristaps 84: enum outt outtype; /* Output devices... */
1.22 kristaps 85: out_mdoc outmdoc;
86: out_man outman;
87: out_free outfree;
88: void *outdata;
1.49 kristaps 89: char outopts[BUFSIZ];
1.5 kristaps 90: };
1.1 kristaps 91:
92: static int foptions(int *, char *);
93: static int toptions(enum outt *, char *);
1.10 kristaps 94: static int moptions(enum intt *, char *);
1.1 kristaps 95: static int woptions(int *, char *);
96: static int merr(void *, int, int, const char *);
1.37 kristaps 97: static int mwarn(void *, int, int, const char *);
1.19 kristaps 98: static int ffile(struct buf *, struct buf *,
99: const char *, struct curparse *);
1.5 kristaps 100: static int fdesc(struct buf *, struct buf *,
1.19 kristaps 101: struct curparse *);
1.22 kristaps 102: static int pset(const char *, int, struct curparse *,
1.19 kristaps 103: struct man **, struct mdoc **);
104: static struct man *man_init(struct curparse *);
105: static struct mdoc *mdoc_init(struct curparse *);
1.55 kristaps 106: static void version(void) __attribute__((noreturn));
107: static void usage(void) __attribute__((noreturn));
1.1 kristaps 108:
1.54 kristaps 109: static const char *progname;
1.22 kristaps 110:
1.1 kristaps 111:
112: int
113: main(int argc, char *argv[])
114: {
1.19 kristaps 115: int c, rc;
1.5 kristaps 116: struct buf ln, blk;
117: struct curparse curp;
1.1 kristaps 118:
1.54 kristaps 119: progname = strrchr(argv[0], '/');
120: if (progname == NULL)
121: progname = argv[0];
122: else
123: ++progname;
124:
1.51 kristaps 125: memset(&curp, 0, sizeof(struct curparse));
1.5 kristaps 126:
1.19 kristaps 127: curp.inttype = INTT_AUTO;
1.22 kristaps 128: curp.outtype = OUTT_ASCII;
1.19 kristaps 129:
1.1 kristaps 130: /* LINTED */
1.47 kristaps 131: while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
1.1 kristaps 132: switch (c) {
133: case ('f'):
1.19 kristaps 134: if ( ! foptions(&curp.fflags, optarg))
1.32 kristaps 135: return(EXIT_FAILURE);
1.1 kristaps 136: break;
1.10 kristaps 137: case ('m'):
1.19 kristaps 138: if ( ! moptions(&curp.inttype, optarg))
1.32 kristaps 139: return(EXIT_FAILURE);
1.10 kristaps 140: break;
1.48 kristaps 141: case ('O'):
1.49 kristaps 142: (void)strlcat(curp.outopts, optarg, BUFSIZ);
143: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 144: break;
1.1 kristaps 145: case ('T'):
1.22 kristaps 146: if ( ! toptions(&curp.outtype, optarg))
1.32 kristaps 147: return(EXIT_FAILURE);
1.1 kristaps 148: break;
149: case ('W'):
1.5 kristaps 150: if ( ! woptions(&curp.wflags, optarg))
1.32 kristaps 151: return(EXIT_FAILURE);
1.1 kristaps 152: break;
153: case ('V'):
154: version();
155: /* NOTREACHED */
156: default:
157: usage();
158: /* NOTREACHED */
159: }
160:
161: argc -= optind;
162: argv += optind;
163:
1.51 kristaps 164: memset(&ln, 0, sizeof(struct buf));
165: memset(&blk, 0, sizeof(struct buf));
1.1 kristaps 166:
1.22 kristaps 167: rc = 1;
1.1 kristaps 168:
1.30 kristaps 169: if (NULL == *argv) {
170: curp.file = "<stdin>";
171: curp.fd = STDIN_FILENO;
1.39 kristaps 172:
173: c = fdesc(&blk, &ln, &curp);
174: if ( ! (IGN_ERRORS & curp.fflags))
175: rc = 1 == c ? 1 : 0;
176: else
177: rc = -1 == c ? 0 : 1;
1.30 kristaps 178: }
1.22 kristaps 179:
180: while (rc && *argv) {
1.39 kristaps 181: c = ffile(&blk, &ln, *argv, &curp);
182: if ( ! (IGN_ERRORS & curp.fflags))
183: rc = 1 == c ? 1 : 0;
184: else
185: rc = -1 == c ? 0 : 1;
186:
1.22 kristaps 187: argv++;
188: if (*argv && rc) {
189: if (curp.lastman)
1.52 kristaps 190: man_reset(curp.lastman);
1.22 kristaps 191: if (curp.lastmdoc)
1.52 kristaps 192: mdoc_reset(curp.lastmdoc);
1.22 kristaps 193: curp.lastman = NULL;
194: curp.lastmdoc = NULL;
1.4 kristaps 195: }
1.1 kristaps 196: }
197:
1.5 kristaps 198: if (blk.buf)
199: free(blk.buf);
200: if (ln.buf)
201: free(ln.buf);
1.22 kristaps 202: if (curp.outfree)
203: (*curp.outfree)(curp.outdata);
1.19 kristaps 204: if (curp.mdoc)
205: mdoc_free(curp.mdoc);
206: if (curp.man)
207: man_free(curp.man);
1.1 kristaps 208:
209: return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
210: }
211:
212:
1.55 kristaps 213: static void
1.1 kristaps 214: version(void)
215: {
216:
1.54 kristaps 217: (void)printf("%s %s\n", progname, VERSION);
1.18 kristaps 218: exit(EXIT_SUCCESS);
1.1 kristaps 219: }
220:
221:
1.55 kristaps 222: static void
1.1 kristaps 223: usage(void)
224: {
225:
1.12 kristaps 226: (void)fprintf(stderr, "usage: %s [-V] [-foption...] "
1.48 kristaps 227: "[-mformat] [-Ooption] [-Toutput] "
1.54 kristaps 228: "[-Werr...]\n", progname);
1.18 kristaps 229: exit(EXIT_FAILURE);
1.1 kristaps 230: }
231:
232:
1.19 kristaps 233: static struct man *
234: man_init(struct curparse *curp)
235: {
236: int pflags;
237: struct man_cb mancb;
238:
239: mancb.man_err = merr;
1.37 kristaps 240: mancb.man_warn = mwarn;
1.19 kristaps 241:
1.30 kristaps 242: /* Defaults from mandoc.1. */
1.27 kristaps 243:
1.33 kristaps 244: pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE | MAN_IGN_CHARS;
1.27 kristaps 245:
1.20 kristaps 246: if (curp->fflags & NO_IGN_MACRO)
247: pflags &= ~MAN_IGN_MACRO;
1.31 kristaps 248: if (curp->fflags & NO_IGN_CHARS)
249: pflags &= ~MAN_IGN_CHARS;
1.33 kristaps 250: if (curp->fflags & NO_IGN_ESCAPE)
251: pflags &= ~MAN_IGN_ESCAPE;
1.19 kristaps 252:
1.52 kristaps 253: return(man_alloc(curp, pflags, &mancb));
1.19 kristaps 254: }
255:
256:
257: static struct mdoc *
258: mdoc_init(struct curparse *curp)
259: {
260: int pflags;
261: struct mdoc_cb mdoccb;
262:
263: mdoccb.mdoc_err = merr;
1.37 kristaps 264: mdoccb.mdoc_warn = mwarn;
1.19 kristaps 265:
1.30 kristaps 266: /* Defaults from mandoc.1. */
1.27 kristaps 267:
1.24 kristaps 268: pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
1.19 kristaps 269:
270: if (curp->fflags & IGN_SCOPE)
271: pflags |= MDOC_IGN_SCOPE;
1.24 kristaps 272: if (curp->fflags & NO_IGN_ESCAPE)
273: pflags &= ~MDOC_IGN_ESCAPE;
274: if (curp->fflags & NO_IGN_MACRO)
275: pflags &= ~MDOC_IGN_MACRO;
276: if (curp->fflags & NO_IGN_CHARS)
277: pflags &= ~MDOC_IGN_CHARS;
1.19 kristaps 278:
1.52 kristaps 279: return(mdoc_alloc(curp, pflags, &mdoccb));
1.19 kristaps 280: }
281:
282:
283: static int
284: ffile(struct buf *blk, struct buf *ln,
285: const char *file, struct curparse *curp)
1.1 kristaps 286: {
1.19 kristaps 287: int c;
1.1 kristaps 288:
1.19 kristaps 289: curp->file = file;
290: if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
1.53 kristaps 291: perror(curp->file);
1.39 kristaps 292: return(-1);
1.1 kristaps 293: }
294:
1.19 kristaps 295: c = fdesc(blk, ln, curp);
1.1 kristaps 296:
1.19 kristaps 297: if (-1 == close(curp->fd))
1.53 kristaps 298: perror(curp->file);
1.1 kristaps 299:
300: return(c);
301: }
302:
303:
304: static int
1.19 kristaps 305: fdesc(struct buf *blk, struct buf *ln, struct curparse *curp)
1.1 kristaps 306: {
307: size_t sz;
308: ssize_t ssz;
309: struct stat st;
1.29 kristaps 310: int j, i, pos, lnn, comment;
1.19 kristaps 311: struct man *man;
312: struct mdoc *mdoc;
1.10 kristaps 313:
1.19 kristaps 314: sz = BUFSIZ;
315: man = NULL;
316: mdoc = NULL;
1.1 kristaps 317:
318: /*
1.19 kristaps 319: * Two buffers: ln and buf. buf is the input buffer optimised
320: * here for each file's block size. ln is a line buffer. Both
1.1 kristaps 321: * growable, hence passed in by ptr-ptr.
322: */
323:
1.19 kristaps 324: if (-1 == fstat(curp->fd, &st))
1.53 kristaps 325: perror(curp->file);
1.6 kristaps 326: else if ((size_t)st.st_blksize > sz)
327: sz = st.st_blksize;
1.1 kristaps 328:
1.5 kristaps 329: if (sz > blk->sz) {
330: blk->buf = realloc(blk->buf, sz);
1.19 kristaps 331: if (NULL == blk->buf) {
1.53 kristaps 332: perror(NULL);
333: exit(EXIT_FAILURE);
1.19 kristaps 334: }
1.5 kristaps 335: blk->sz = sz;
1.1 kristaps 336: }
337:
1.19 kristaps 338: /* Fill buf with file blocksize. */
1.1 kristaps 339:
1.29 kristaps 340: for (lnn = pos = comment = 0; ; ) {
1.19 kristaps 341: if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
1.53 kristaps 342: perror(curp->file);
1.39 kristaps 343: return(-1);
1.1 kristaps 344: } else if (0 == ssz)
345: break;
346:
1.19 kristaps 347: /* Parse the read block into partial or full lines. */
348:
1.1 kristaps 349: for (i = 0; i < (int)ssz; i++) {
1.5 kristaps 350: if (pos >= (int)ln->sz) {
351: ln->sz += 256; /* Step-size. */
352: ln->buf = realloc(ln->buf, ln->sz);
1.19 kristaps 353: if (NULL == ln->buf) {
1.53 kristaps 354: perror(NULL);
355: return(EXIT_FAILURE);
1.19 kristaps 356: }
1.1 kristaps 357: }
358:
1.5 kristaps 359: if ('\n' != blk->buf[i]) {
1.29 kristaps 360: if (comment)
361: continue;
1.5 kristaps 362: ln->buf[pos++] = blk->buf[i];
1.29 kristaps 363:
364: /* Handle in-line `\"' comments. */
365:
366: if (1 == pos || '\"' != ln->buf[pos - 1])
367: continue;
368:
369: for (j = pos - 2; j >= 0; j--)
370: if ('\\' != ln->buf[j])
371: break;
372:
373: if ( ! ((pos - 2 - j) % 2))
374: continue;
375:
376: comment = 1;
377: pos -= 2;
1.1 kristaps 378: continue;
1.29 kristaps 379: }
1.1 kristaps 380:
1.29 kristaps 381: /* Handle escaped `\\n' newlines. */
1.1 kristaps 382:
1.29 kristaps 383: if (pos > 0 && 0 == comment &&
384: '\\' == ln->buf[pos - 1]) {
1.1 kristaps 385: for (j = pos - 1; j >= 0; j--)
1.5 kristaps 386: if ('\\' != ln->buf[j])
1.1 kristaps 387: break;
388: if ( ! ((pos - j) % 2)) {
389: pos--;
390: lnn++;
391: continue;
392: }
393: }
394:
1.5 kristaps 395: ln->buf[pos] = 0;
1.19 kristaps 396: lnn++;
1.29 kristaps 397:
398: /* If unset, assign parser in pset(). */
1.19 kristaps 399:
400: if ( ! (man || mdoc) && ! pset(ln->buf,
401: pos, curp, &man, &mdoc))
1.39 kristaps 402: return(-1);
1.19 kristaps 403:
1.29 kristaps 404: pos = comment = 0;
1.19 kristaps 405:
1.30 kristaps 406: /* Pass down into parsers. */
407:
1.10 kristaps 408: if (man && ! man_parseln(man, lnn, ln->buf))
1.1 kristaps 409: return(0);
1.19 kristaps 410: if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
411: return(0);
1.1 kristaps 412: }
413: }
414:
1.29 kristaps 415: /* NOTE a parser may not have been assigned, yet. */
1.19 kristaps 416:
1.22 kristaps 417: if ( ! (man || mdoc)) {
1.53 kristaps 418: fprintf(stderr, "%s: Not a manual\n", curp->file);
1.22 kristaps 419: return(0);
420: }
421:
422: if (mdoc && ! mdoc_endparse(mdoc))
423: return(0);
424: if (man && ! man_endparse(man))
425: return(0);
1.19 kristaps 426:
1.29 kristaps 427: /* If unset, allocate output dev now (if applicable). */
1.22 kristaps 428:
429: if ( ! (curp->outman && curp->outmdoc)) {
430: switch (curp->outtype) {
1.43 kristaps 431: case (OUTT_HTML):
1.44 kristaps 432: curp->outdata = html_alloc(curp->outopts);
1.43 kristaps 433: curp->outman = html_man;
434: curp->outmdoc = html_mdoc;
435: curp->outfree = html_free;
436: break;
1.22 kristaps 437: case (OUTT_TREE):
438: curp->outman = tree_man;
439: curp->outmdoc = tree_mdoc;
440: break;
441: case (OUTT_LINT):
442: break;
443: default:
444: curp->outdata = ascii_alloc();
445: curp->outman = terminal_man;
446: curp->outmdoc = terminal_mdoc;
447: curp->outfree = terminal_free;
448: break;
449: }
450: }
451:
452: /* Execute the out device, if it exists. */
453:
454: if (man && curp->outman)
1.42 kristaps 455: (*curp->outman)(curp->outdata, man);
1.22 kristaps 456: if (mdoc && curp->outmdoc)
1.42 kristaps 457: (*curp->outmdoc)(curp->outdata, mdoc);
1.22 kristaps 458:
459: return(1);
1.19 kristaps 460: }
461:
462:
463: static int
1.22 kristaps 464: pset(const char *buf, int pos, struct curparse *curp,
1.19 kristaps 465: struct man **man, struct mdoc **mdoc)
466: {
1.29 kristaps 467: int i;
1.19 kristaps 468:
469: /*
470: * Try to intuit which kind of manual parser should be used. If
471: * passed in by command-line (-man, -mdoc), then use that
472: * explicitly. If passed as -mandoc, then try to guess from the
1.30 kristaps 473: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
1.19 kristaps 474: * default to -man, which is more lenient.
475: */
476:
1.29 kristaps 477: if (buf[0] == '.') {
478: for (i = 1; buf[i]; i++)
479: if (' ' != buf[i] && '\t' != buf[i])
480: break;
481: if (0 == buf[i])
482: return(1);
483: }
1.10 kristaps 484:
1.19 kristaps 485: switch (curp->inttype) {
486: case (INTT_MDOC):
487: if (NULL == curp->mdoc)
488: curp->mdoc = mdoc_init(curp);
489: if (NULL == (*mdoc = curp->mdoc))
490: return(0);
1.22 kristaps 491: curp->lastmdoc = *mdoc;
1.19 kristaps 492: return(1);
493: case (INTT_MAN):
494: if (NULL == curp->man)
495: curp->man = man_init(curp);
496: if (NULL == (*man = curp->man))
497: return(0);
1.22 kristaps 498: curp->lastman = *man;
1.19 kristaps 499: return(1);
500: default:
501: break;
502: }
503:
504: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
505: if (NULL == curp->mdoc)
506: curp->mdoc = mdoc_init(curp);
507: if (NULL == (*mdoc = curp->mdoc))
508: return(0);
1.22 kristaps 509: curp->lastmdoc = *mdoc;
1.19 kristaps 510: return(1);
511: }
512:
513: if (NULL == curp->man)
514: curp->man = man_init(curp);
515: if (NULL == (*man = curp->man))
516: return(0);
1.22 kristaps 517: curp->lastman = *man;
1.19 kristaps 518: return(1);
1.10 kristaps 519: }
520:
521:
522: static int
523: moptions(enum intt *tflags, char *arg)
524: {
525:
1.17 kristaps 526: if (0 == strcmp(arg, "doc"))
1.10 kristaps 527: *tflags = INTT_MDOC;
1.19 kristaps 528: else if (0 == strcmp(arg, "andoc"))
529: *tflags = INTT_AUTO;
1.17 kristaps 530: else if (0 == strcmp(arg, "an"))
1.10 kristaps 531: *tflags = INTT_MAN;
532: else {
1.57 kristaps 533: fprintf(stderr, "%s: Bad argument\n", arg);
1.10 kristaps 534: return(0);
535: }
536:
537: return(1);
1.1 kristaps 538: }
539:
540:
541: static int
542: toptions(enum outt *tflags, char *arg)
543: {
544:
545: if (0 == strcmp(arg, "ascii"))
546: *tflags = OUTT_ASCII;
547: else if (0 == strcmp(arg, "lint"))
548: *tflags = OUTT_LINT;
549: else if (0 == strcmp(arg, "tree"))
550: *tflags = OUTT_TREE;
1.43 kristaps 551: else if (0 == strcmp(arg, "html"))
552: *tflags = OUTT_HTML;
1.1 kristaps 553: else {
1.57 kristaps 554: fprintf(stderr, "%s: Bad argument\n", arg);
1.1 kristaps 555: return(0);
556: }
557:
558: return(1);
559: }
560:
561:
562: static int
563: foptions(int *fflags, char *arg)
564: {
1.34 kristaps 565: char *v, *o;
1.50 kristaps 566: const char *toks[8];
1.1 kristaps 567:
568: toks[0] = "ign-scope";
1.24 kristaps 569: toks[1] = "no-ign-escape";
570: toks[2] = "no-ign-macro";
571: toks[3] = "no-ign-chars";
1.39 kristaps 572: toks[4] = "ign-errors";
573: toks[5] = "strict";
1.50 kristaps 574: toks[6] = "ign-escape";
575: toks[7] = NULL;
1.1 kristaps 576:
1.34 kristaps 577: while (*arg) {
578: o = arg;
1.45 kristaps 579: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 580: case (0):
1.15 kristaps 581: *fflags |= IGN_SCOPE;
1.1 kristaps 582: break;
583: case (1):
1.24 kristaps 584: *fflags |= NO_IGN_ESCAPE;
1.1 kristaps 585: break;
586: case (2):
1.24 kristaps 587: *fflags |= NO_IGN_MACRO;
1.1 kristaps 588: break;
1.20 kristaps 589: case (3):
1.24 kristaps 590: *fflags |= NO_IGN_CHARS;
591: break;
592: case (4):
1.39 kristaps 593: *fflags |= IGN_ERRORS;
594: break;
595: case (5):
1.24 kristaps 596: *fflags |= NO_IGN_ESCAPE |
597: NO_IGN_MACRO | NO_IGN_CHARS;
1.20 kristaps 598: break;
1.50 kristaps 599: case (6):
600: *fflags &= ~NO_IGN_ESCAPE;
601: break;
1.1 kristaps 602: default:
1.57 kristaps 603: fprintf(stderr, "%s: Bad argument\n", o);
1.1 kristaps 604: return(0);
605: }
1.34 kristaps 606: }
1.1 kristaps 607:
608: return(1);
609: }
610:
611:
612: static int
613: woptions(int *wflags, char *arg)
614: {
1.34 kristaps 615: char *v, *o;
1.45 kristaps 616: const char *toks[3];
1.1 kristaps 617:
618: toks[0] = "all";
1.36 kristaps 619: toks[1] = "error";
620: toks[2] = NULL;
1.1 kristaps 621:
1.34 kristaps 622: while (*arg) {
623: o = arg;
1.45 kristaps 624: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1 kristaps 625: case (0):
626: *wflags |= WARN_WALL;
627: break;
628: case (1):
629: *wflags |= WARN_WERR;
630: break;
631: default:
1.57 kristaps 632: fprintf(stderr, "%s: Bad argument\n", o);
1.1 kristaps 633: return(0);
634: }
1.34 kristaps 635: }
1.1 kristaps 636:
637: return(1);
638: }
639:
640:
1.2 kristaps 641: /* ARGSUSED */
1.1 kristaps 642: static int
643: merr(void *arg, int line, int col, const char *msg)
644: {
1.5 kristaps 645: struct curparse *curp;
646:
647: curp = (struct curparse *)arg;
1.36 kristaps 648:
1.40 kristaps 649: (void)fprintf(stderr, "%s:%d:%d: error: %s\n",
650: curp->file, line, col + 1, msg);
1.27 kristaps 651:
1.1 kristaps 652: return(0);
653: }
654:
655:
656: static int
1.37 kristaps 657: mwarn(void *arg, int line, int col, const char *msg)
1.1 kristaps 658: {
1.5 kristaps 659: struct curparse *curp;
1.1 kristaps 660:
1.5 kristaps 661: curp = (struct curparse *)arg;
1.1 kristaps 662:
1.36 kristaps 663: if ( ! (curp->wflags & WARN_WALL))
664: return(1);
665:
1.40 kristaps 666: (void)fprintf(stderr, "%s:%d:%d: warning: %s\n",
667: curp->file, line, col + 1, msg);
1.1 kristaps 668:
1.5 kristaps 669: if ( ! (curp->wflags & WARN_WERR))
1.1 kristaps 670: return(1);
1.27 kristaps 671:
1.1 kristaps 672: return(0);
673: }
674:
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