Annotation of mandoc/main.c, Revision 1.28
1.28 ! kristaps 1: /* $Id: main.c,v 1.27 2009/06/11 12:07:49 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 <err.h>
21: #include <fcntl.h>
22: #include <stdio.h>
23: #include <stdlib.h>
24: #include <string.h>
25: #include <unistd.h>
26:
27: #include "mdoc.h"
1.10 kristaps 28: #include "man.h"
1.1 kristaps 29:
1.16 kristaps 30: /* Account for FreeBSD and Linux in our declarations. */
31:
1.3 kristaps 32: #ifdef __linux__
33: extern int getsubopt(char **, char * const *, char **);
34: # ifndef __dead
35: # define __dead __attribute__((__noreturn__))
36: # endif
1.13 kristaps 37: #elif defined(__dead2)
1.10 kristaps 38: # ifndef __dead
39: # define __dead __dead2
40: # endif
1.3 kristaps 41: #endif
42:
1.22 kristaps 43: typedef int (*out_mdoc)(void *, const struct mdoc *);
44: typedef int (*out_man)(void *, const struct man *);
45: typedef void (*out_free)(void *);
46:
1.5 kristaps 47: struct buf {
48: char *buf;
49: size_t sz;
50: };
51:
1.19 kristaps 52: enum intt {
53: INTT_AUTO,
54: INTT_MDOC,
55: INTT_MAN
56: };
57:
58: enum outt {
59: OUTT_ASCII = 0,
60: OUTT_TREE,
61: OUTT_LINT
62: };
63:
1.5 kristaps 64: struct curparse {
1.22 kristaps 65: const char *file; /* Current parse. */
66: int fd; /* Current parse. */
1.5 kristaps 67: int wflags;
1.1 kristaps 68: #define WARN_WALL 0x03 /* All-warnings mask. */
69: #define WARN_WCOMPAT (1 << 0) /* Compatibility warnings. */
70: #define WARN_WSYNTAX (1 << 1) /* Syntax warnings. */
71: #define WARN_WERR (1 << 2) /* Warnings->errors. */
1.23 kristaps 72: int fflags;
73: #define IGN_SCOPE (1 << 0) /* Ignore scope errors. */
1.24 kristaps 74: #define NO_IGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
75: #define NO_IGN_MACRO (1 << 2) /* Don't ignore bad macros. */
76: #define NO_IGN_CHARS (1 << 3) /* Don't ignore bad chars. */
1.22 kristaps 77: enum intt inttype; /* Input parsers. */
1.19 kristaps 78: struct man *man;
1.22 kristaps 79: struct man *lastman;
1.19 kristaps 80: struct mdoc *mdoc;
1.22 kristaps 81: struct mdoc *lastmdoc;
82: enum outt outtype; /* Output devices. */
83: out_mdoc outmdoc;
84: out_man outman;
85: out_free outfree;
86: void *outdata;
1.5 kristaps 87: };
1.1 kristaps 88:
89: extern void *ascii_alloc(void);
1.22 kristaps 90: extern int tree_mdoc(void *, const struct mdoc *);
91: extern int tree_man(void *, const struct man *);
92: extern int terminal_mdoc(void *, const struct mdoc *);
93: extern int terminal_man(void *, const struct man *);
1.1 kristaps 94: extern void terminal_free(void *);
95:
96: static int foptions(int *, char *);
97: static int toptions(enum outt *, char *);
1.10 kristaps 98: static int moptions(enum intt *, char *);
1.1 kristaps 99: static int woptions(int *, char *);
100: static int merr(void *, int, int, const char *);
1.14 kristaps 101: static int manwarn(void *, int, int, const char *);
102: static int mdocwarn(void *, int, int,
1.1 kristaps 103: enum mdoc_warn, const char *);
1.19 kristaps 104: static int fstdin(struct buf *, struct buf *,
105: struct curparse *);
106: static int ffile(struct buf *, struct buf *,
107: const char *, struct curparse *);
1.5 kristaps 108: static int fdesc(struct buf *, struct buf *,
1.19 kristaps 109: struct curparse *);
1.22 kristaps 110: static int pset(const char *, int, struct curparse *,
1.19 kristaps 111: struct man **, struct mdoc **);
112: static struct man *man_init(struct curparse *);
113: static struct mdoc *mdoc_init(struct curparse *);
1.10 kristaps 114: __dead static void version(void);
115: __dead static void usage(void);
1.1 kristaps 116:
1.22 kristaps 117: extern char *__progname;
118:
1.1 kristaps 119:
120: int
121: main(int argc, char *argv[])
122: {
1.19 kristaps 123: int c, rc;
1.5 kristaps 124: struct buf ln, blk;
125: struct curparse curp;
1.1 kristaps 126:
1.5 kristaps 127: bzero(&curp, sizeof(struct curparse));
128:
1.19 kristaps 129: curp.inttype = INTT_AUTO;
1.22 kristaps 130: curp.outtype = OUTT_ASCII;
1.19 kristaps 131:
1.1 kristaps 132: /* LINTED */
1.10 kristaps 133: while (-1 != (c = getopt(argc, argv, "f:m:VW:T:")))
1.1 kristaps 134: switch (c) {
135: case ('f'):
1.19 kristaps 136: if ( ! foptions(&curp.fflags, optarg))
1.1 kristaps 137: return(0);
138: break;
1.10 kristaps 139: case ('m'):
1.19 kristaps 140: if ( ! moptions(&curp.inttype, optarg))
1.10 kristaps 141: return(0);
142: break;
1.1 kristaps 143: case ('T'):
1.22 kristaps 144: if ( ! toptions(&curp.outtype, optarg))
1.1 kristaps 145: return(0);
146: break;
147: case ('W'):
1.5 kristaps 148: if ( ! woptions(&curp.wflags, optarg))
1.1 kristaps 149: return(0);
150: break;
151: case ('V'):
152: version();
153: /* NOTREACHED */
154: default:
155: usage();
156: /* NOTREACHED */
157: }
158:
159: argc -= optind;
160: argv += optind;
161:
1.16 kristaps 162: /* Configure buffers. */
163:
1.5 kristaps 164: bzero(&ln, sizeof(struct buf));
165: bzero(&blk, sizeof(struct buf));
1.1 kristaps 166:
1.22 kristaps 167: rc = 1;
1.1 kristaps 168:
1.22 kristaps 169: if (NULL == *argv)
170: if ( ! fstdin(&blk, &ln, &curp))
171: rc = 0;
172:
173: while (rc && *argv) {
174: if ( ! ffile(&blk, &ln, *argv, &curp))
175: rc = 0;
176: argv++;
177: if (*argv && rc) {
178: if (curp.lastman)
179: if ( ! man_reset(curp.lastman))
180: rc = 0;
181: if (curp.lastmdoc)
182: if ( ! mdoc_reset(curp.lastmdoc))
183: rc = 0;
184: curp.lastman = NULL;
185: curp.lastmdoc = NULL;
1.4 kristaps 186: }
1.1 kristaps 187: }
188:
1.5 kristaps 189: if (blk.buf)
190: free(blk.buf);
191: if (ln.buf)
192: free(ln.buf);
1.27 kristaps 193:
194: /* TODO: have a curp_free routine. */
1.22 kristaps 195: if (curp.outfree)
196: (*curp.outfree)(curp.outdata);
1.19 kristaps 197: if (curp.mdoc)
198: mdoc_free(curp.mdoc);
199: if (curp.man)
200: man_free(curp.man);
1.1 kristaps 201:
202: return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
203: }
204:
205:
206: __dead static void
207: version(void)
208: {
209:
210: (void)printf("%s %s\n", __progname, VERSION);
1.18 kristaps 211: exit(EXIT_SUCCESS);
1.1 kristaps 212: }
213:
214:
215: __dead static void
216: usage(void)
217: {
218:
1.12 kristaps 219: (void)fprintf(stderr, "usage: %s [-V] [-foption...] "
220: "[-mformat] [-Toutput] [-Werr...]\n",
221: __progname);
1.18 kristaps 222: exit(EXIT_FAILURE);
1.1 kristaps 223: }
224:
225:
1.19 kristaps 226: static struct man *
227: man_init(struct curparse *curp)
228: {
229: int pflags;
230: struct man *man;
231: struct man_cb mancb;
232:
233: mancb.man_err = merr;
234: mancb.man_warn = manwarn;
235:
1.27 kristaps 236: /*
237: * Default behaviour is to ignore unknown macros. This is
238: * specified in mandoc.1.
239: */
240:
241: pflags = MAN_IGN_MACRO;
242:
243: /* Override default behaviour... */
1.19 kristaps 244:
1.20 kristaps 245: if (curp->fflags & NO_IGN_MACRO)
246: pflags &= ~MAN_IGN_MACRO;
1.19 kristaps 247:
248: if (NULL == (man = man_alloc(curp, pflags, &mancb)))
249: warnx("memory exhausted");
250:
251: return(man);
252: }
253:
254:
255: static struct mdoc *
256: mdoc_init(struct curparse *curp)
257: {
258: int pflags;
259: struct mdoc *mdoc;
260: struct mdoc_cb mdoccb;
261:
262: mdoccb.mdoc_err = merr;
263: mdoccb.mdoc_warn = mdocwarn;
264:
1.27 kristaps 265: /*
266: * Default behaviour is to ignore unknown macros, escape
267: * sequences and characters (very liberal). This is specified
268: * in mandoc.1.
269: */
270:
1.24 kristaps 271: pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
1.19 kristaps 272:
1.27 kristaps 273: /* Override default behaviour... */
274:
1.19 kristaps 275: if (curp->fflags & IGN_SCOPE)
276: pflags |= MDOC_IGN_SCOPE;
1.24 kristaps 277: if (curp->fflags & NO_IGN_ESCAPE)
278: pflags &= ~MDOC_IGN_ESCAPE;
279: if (curp->fflags & NO_IGN_MACRO)
280: pflags &= ~MDOC_IGN_MACRO;
281: if (curp->fflags & NO_IGN_CHARS)
282: pflags &= ~MDOC_IGN_CHARS;
1.19 kristaps 283:
284: if (NULL == (mdoc = mdoc_alloc(curp, pflags, &mdoccb)))
1.24 kristaps 285: warnx("memory exhausted");
1.19 kristaps 286:
287: return(mdoc);
288: }
289:
290:
291: static int
292: fstdin(struct buf *blk, struct buf *ln, struct curparse *curp)
293: {
294:
295: curp->file = "<stdin>";
296: curp->fd = STDIN_FILENO;
297: return(fdesc(blk, ln, curp));
298: }
299:
300:
1.1 kristaps 301: static int
1.19 kristaps 302: ffile(struct buf *blk, struct buf *ln,
303: const char *file, struct curparse *curp)
1.1 kristaps 304: {
1.19 kristaps 305: int c;
1.1 kristaps 306:
1.19 kristaps 307: curp->file = file;
308: if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
309: warn("%s", curp->file);
1.1 kristaps 310: return(0);
311: }
312:
1.19 kristaps 313: c = fdesc(blk, ln, curp);
1.1 kristaps 314:
1.19 kristaps 315: if (-1 == close(curp->fd))
316: warn("%s", curp->file);
1.1 kristaps 317:
318: return(c);
319: }
320:
321:
322: static int
1.19 kristaps 323: fdesc(struct buf *blk, struct buf *ln, struct curparse *curp)
1.1 kristaps 324: {
325: size_t sz;
326: ssize_t ssz;
327: struct stat st;
328: int j, i, pos, lnn;
1.19 kristaps 329: struct man *man;
330: struct mdoc *mdoc;
1.10 kristaps 331:
1.19 kristaps 332: sz = BUFSIZ;
333: man = NULL;
334: mdoc = NULL;
1.1 kristaps 335:
336: /*
1.19 kristaps 337: * Two buffers: ln and buf. buf is the input buffer optimised
338: * here for each file's block size. ln is a line buffer. Both
1.1 kristaps 339: * growable, hence passed in by ptr-ptr.
340: */
341:
1.19 kristaps 342: if (-1 == fstat(curp->fd, &st))
343: warnx("%s", curp->file);
1.6 kristaps 344: else if ((size_t)st.st_blksize > sz)
345: sz = st.st_blksize;
1.1 kristaps 346:
1.5 kristaps 347: if (sz > blk->sz) {
348: blk->buf = realloc(blk->buf, sz);
1.19 kristaps 349: if (NULL == blk->buf) {
350: warn("realloc");
351: return(0);
352: }
1.5 kristaps 353: blk->sz = sz;
1.1 kristaps 354: }
355:
1.19 kristaps 356: /* Fill buf with file blocksize. */
1.1 kristaps 357:
1.19 kristaps 358: for (lnn = 0, pos = 0; ; ) {
359: if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
360: warn("%s", curp->file);
1.1 kristaps 361: return(0);
362: } else if (0 == ssz)
363: break;
364:
1.19 kristaps 365: /* Parse the read block into partial or full lines. */
366:
1.1 kristaps 367: for (i = 0; i < (int)ssz; i++) {
1.5 kristaps 368: if (pos >= (int)ln->sz) {
369: ln->sz += 256; /* Step-size. */
370: ln->buf = realloc(ln->buf, ln->sz);
1.19 kristaps 371: if (NULL == ln->buf) {
372: warn("realloc");
373: return(0);
374: }
1.1 kristaps 375: }
376:
1.5 kristaps 377: if ('\n' != blk->buf[i]) {
378: ln->buf[pos++] = blk->buf[i];
1.1 kristaps 379: continue;
380: }
381:
1.27 kristaps 382: /* Check for CPP-escaped newline. */
1.1 kristaps 383:
1.5 kristaps 384: if (pos > 0 && '\\' == 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:
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++;
398:
399: /*
400: * If no manual parser has been assigned, then
401: * try to assign one in pset(), which may do
402: * nothing at all. After this, parse the manual
403: * line accordingly.
404: */
405:
406: if ( ! (man || mdoc) && ! pset(ln->buf,
407: pos, curp, &man, &mdoc))
1.10 kristaps 408: return(0);
1.19 kristaps 409:
410: pos = 0;
411:
1.10 kristaps 412: if (man && ! man_parseln(man, lnn, ln->buf))
1.1 kristaps 413: return(0);
1.19 kristaps 414: if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
415: return(0);
1.1 kristaps 416: }
417: }
418:
1.19 kristaps 419: /* Note that a parser may not have been assigned, yet. */
420:
1.22 kristaps 421: if ( ! (man || mdoc)) {
422: warnx("%s: not a manual", curp->file);
423: return(0);
424: }
425:
426: if (mdoc && ! mdoc_endparse(mdoc))
427: return(0);
428: if (man && ! man_endparse(man))
429: return(0);
1.19 kristaps 430:
1.22 kristaps 431: /*
432: * If an output device hasn't been allocated, see if we should
433: * do so now. Note that not all outtypes have functions, so
434: * this switch statement may be superfluous, but it's
435: * low-overhead enough not to matter very much.
436: */
437:
438: if ( ! (curp->outman && curp->outmdoc)) {
439: switch (curp->outtype) {
440: case (OUTT_TREE):
441: curp->outman = tree_man;
442: curp->outmdoc = tree_mdoc;
443: break;
444: case (OUTT_LINT):
445: break;
446: default:
447: curp->outdata = ascii_alloc();
448: curp->outman = terminal_man;
449: curp->outmdoc = terminal_mdoc;
450: curp->outfree = terminal_free;
451: break;
452: }
453: }
454:
455: /* Execute the out device, if it exists. */
456:
457: if (man && curp->outman)
458: if ( ! (*curp->outman)(curp->outdata, man))
459: return(0);
460: if (mdoc && curp->outmdoc)
461: if ( ! (*curp->outmdoc)(curp->outdata, mdoc))
462: return(0);
463:
464: return(1);
1.19 kristaps 465: }
466:
467:
468: static int
1.22 kristaps 469: pset(const char *buf, int pos, struct curparse *curp,
1.19 kristaps 470: struct man **man, struct mdoc **mdoc)
471: {
472:
473: /*
474: * Try to intuit which kind of manual parser should be used. If
475: * passed in by command-line (-man, -mdoc), then use that
476: * explicitly. If passed as -mandoc, then try to guess from the
477: * line: either skip comments, use -mdoc when finding `.Dt', or
478: * default to -man, which is more lenient.
479: */
480:
481: if (pos >= 3 && 0 == memcmp(buf, ".\\\"", 3))
482: return(1);
1.10 kristaps 483:
1.19 kristaps 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);
1.22 kristaps 490: curp->lastmdoc = *mdoc;
1.19 kristaps 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);
1.22 kristaps 497: curp->lastman = *man;
1.19 kristaps 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);
1.22 kristaps 508: curp->lastmdoc = *mdoc;
1.19 kristaps 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);
1.22 kristaps 516: curp->lastman = *man;
1.19 kristaps 517: return(1);
1.10 kristaps 518: }
519:
520:
521: static int
522: moptions(enum intt *tflags, char *arg)
523: {
524:
1.17 kristaps 525: if (0 == strcmp(arg, "doc"))
1.10 kristaps 526: *tflags = INTT_MDOC;
1.19 kristaps 527: else if (0 == strcmp(arg, "andoc"))
528: *tflags = INTT_AUTO;
1.17 kristaps 529: else if (0 == strcmp(arg, "an"))
1.10 kristaps 530: *tflags = INTT_MAN;
531: else {
532: warnx("bad argument: -m%s", arg);
533: return(0);
534: }
535:
536: return(1);
1.1 kristaps 537: }
538:
539:
540: static int
541: toptions(enum outt *tflags, char *arg)
542: {
543:
544: if (0 == strcmp(arg, "ascii"))
545: *tflags = OUTT_ASCII;
546: else if (0 == strcmp(arg, "lint"))
547: *tflags = OUTT_LINT;
548: else if (0 == strcmp(arg, "tree"))
549: *tflags = OUTT_TREE;
550: else {
551: warnx("bad argument: -T%s", arg);
552: return(0);
553: }
554:
555: return(1);
556: }
557:
558:
559: /*
560: * Parse out the options for [-fopt...] setting compiler options. These
561: * can be comma-delimited or called again.
562: */
563: static int
564: foptions(int *fflags, char *arg)
565: {
566: char *v;
1.24 kristaps 567: char *toks[6];
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";
573: toks[4] = "strict";
574: toks[5] = NULL;
1.1 kristaps 575:
576: while (*arg)
577: switch (getsubopt(&arg, toks, &v)) {
578: case (0):
1.15 kristaps 579: *fflags |= IGN_SCOPE;
1.1 kristaps 580: break;
581: case (1):
1.24 kristaps 582: *fflags |= NO_IGN_ESCAPE;
1.1 kristaps 583: break;
584: case (2):
1.24 kristaps 585: *fflags |= NO_IGN_MACRO;
1.1 kristaps 586: break;
1.20 kristaps 587: case (3):
1.24 kristaps 588: *fflags |= NO_IGN_CHARS;
589: break;
590: case (4):
591: *fflags |= NO_IGN_ESCAPE |
592: NO_IGN_MACRO | NO_IGN_CHARS;
1.20 kristaps 593: break;
1.1 kristaps 594: default:
595: warnx("bad argument: -f%s", arg);
596: return(0);
597: }
598:
599: return(1);
600: }
601:
602:
603: /*
604: * Parse out the options for [-Werr...], which sets warning modes.
605: * These can be comma-delimited or called again.
606: */
607: static int
608: woptions(int *wflags, char *arg)
609: {
610: char *v;
611: char *toks[5];
612:
613: toks[0] = "all";
614: toks[1] = "compat";
615: toks[2] = "syntax";
616: toks[3] = "error";
617: toks[4] = NULL;
618:
619: while (*arg)
620: switch (getsubopt(&arg, toks, &v)) {
621: case (0):
622: *wflags |= WARN_WALL;
623: break;
624: case (1):
625: *wflags |= WARN_WCOMPAT;
626: break;
627: case (2):
628: *wflags |= WARN_WSYNTAX;
629: break;
630: case (3):
631: *wflags |= WARN_WERR;
632: break;
633: default:
634: warnx("bad argument: -W%s", arg);
635: return(0);
636: }
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;
649: warnx("%s:%d: error: %s (column %d)",
650: curp->file, line, msg, col);
1.27 kristaps 651:
652: /* Always exit on errors... */
1.1 kristaps 653: return(0);
654: }
655:
656:
657: static int
1.14 kristaps 658: mdocwarn(void *arg, int line, int col,
1.1 kristaps 659: enum mdoc_warn type, const char *msg)
660: {
1.5 kristaps 661: struct curparse *curp;
1.1 kristaps 662: char *wtype;
663:
1.5 kristaps 664: curp = (struct curparse *)arg;
1.1 kristaps 665: wtype = NULL;
666:
667: switch (type) {
668: case (WARN_COMPAT):
669: wtype = "compat";
1.5 kristaps 670: if (curp->wflags & WARN_WCOMPAT)
1.1 kristaps 671: break;
672: return(1);
673: case (WARN_SYNTAX):
674: wtype = "syntax";
1.5 kristaps 675: if (curp->wflags & WARN_WSYNTAX)
1.1 kristaps 676: break;
677: return(1);
678: }
679:
680: assert(wtype);
1.5 kristaps 681: warnx("%s:%d: %s warning: %s (column %d)",
682: curp->file, line, wtype, msg, col);
1.1 kristaps 683:
1.5 kristaps 684: if ( ! (curp->wflags & WARN_WERR))
1.1 kristaps 685: return(1);
1.27 kristaps 686:
687: /*
688: * If the -Werror flag is passed in, as in gcc, then all
689: * warnings are considered as errors.
690: */
1.1 kristaps 691:
692: warnx("%s: considering warnings as errors",
693: __progname);
694: return(0);
695: }
696:
697:
1.14 kristaps 698: static int
699: manwarn(void *arg, int line, int col, const char *msg)
700: {
701: struct curparse *curp;
702:
703: curp = (struct curparse *)arg;
704:
705: if ( ! (curp->wflags & WARN_WSYNTAX))
706: return(1);
707:
708: warnx("%s:%d: syntax warning: %s (column %d)",
709: curp->file, line, msg, col);
710:
711: if ( ! (curp->wflags & WARN_WERR))
712: return(1);
713:
1.27 kristaps 714: /*
715: * If the -Werror flag is passed in, as in gcc, then all
716: * warnings are considered as errors.
717: */
718:
1.14 kristaps 719: warnx("%s: considering warnings as errors",
720: __progname);
721: return(0);
722: }
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