man.c revision 1.15.2.1 1 /* $NetBSD: man.c,v 1.15.2.1 1999/06/23 14:20:51 perry Exp $ */
2
3 /*
4 * Copyright (c) 1987, 1993, 1994, 1995
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37
38 #ifndef lint
39 __COPYRIGHT("@(#) Copyright (c) 1987, 1993, 1994, 1995\n\
40 The Regents of the University of California. All rights reserved.\n");
41 #endif /* not lint */
42
43 #ifndef lint
44 #if 0
45 static char sccsid[] = "@(#)man.c 8.17 (Berkeley) 1/31/95";
46 #else
47 __RCSID("$NetBSD: man.c,v 1.15.2.1 1999/06/23 14:20:51 perry Exp $");
48 #endif
49 #endif /* not lint */
50
51 #include <sys/param.h>
52 #include <sys/queue.h>
53
54 #include <ctype.h>
55 #include <err.h>
56 #include <errno.h>
57 #include <fcntl.h>
58 #include <fnmatch.h>
59 #include <glob.h>
60 #include <signal.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <unistd.h>
65
66 #include "config.h"
67 #include "pathnames.h"
68
69 #ifndef MACHINE
70 #define MACHINE __ARCHITECTURE__
71 #endif
72
73 int f_all, f_where;
74
75 int main __P((int, char **));
76 static void build_page __P((char *, char **));
77 static void cat __P((char *));
78 static char *check_pager __P((char *));
79 static int cleanup __P((void));
80 static void how __P((char *));
81 static void jump __P((char **, char *, char *));
82 static int manual __P((char *, TAG *, glob_t *));
83 static void onsig __P((int));
84 static void usage __P((void));
85
86 int
87 main(argc, argv)
88 int argc;
89 char *argv[];
90 {
91 TAG *defp, *defnewp, *section, *sectnewp, *subp;
92 ENTRY *e_defp, *e_sectp, *e_subp, *ep;
93 glob_t pg;
94 size_t len;
95 int ch, f_cat, f_how, found;
96 char **ap, *cmd, *machine, *p, *p_add, *p_path, *pager, *slashp;
97 char *conffile, buf[MAXPATHLEN * 2];
98
99 #ifdef __GNUC__
100 pager = NULL; /* XXX gcc -Wuninitialized */
101 #endif
102
103 f_cat = f_how = 0;
104 conffile = p_add = p_path = NULL;
105 while ((ch = getopt(argc, argv, "-aC:cfhkM:m:P:w")) != -1)
106 switch (ch) {
107 case 'a':
108 f_all = 1;
109 break;
110 case 'C':
111 conffile = optarg;
112 break;
113 case 'c':
114 case '-': /* Deprecated. */
115 f_cat = 1;
116 break;
117 case 'h':
118 f_how = 1;
119 break;
120 case 'm':
121 p_add = optarg;
122 break;
123 case 'M':
124 case 'P': /* Backward compatibility. */
125 p_path = optarg;
126 break;
127 /*
128 * The -f and -k options are backward compatible,
129 * undocumented ways of calling whatis(1) and apropos(1).
130 */
131 case 'f':
132 jump(argv, "-f", "whatis");
133 /* NOTREACHED */
134 case 'k':
135 jump(argv, "-k", "apropos");
136 /* NOTREACHED */
137 case 'w':
138 f_all = f_where = 1;
139 break;
140 case '?':
141 default:
142 usage();
143 }
144 argc -= optind;
145 argv += optind;
146
147 if (!*argv)
148 usage();
149
150 if (!f_cat && !f_how && !f_where) {
151 if (!isatty(STDOUT_FILENO)) {
152 f_cat = 1;
153 } else {
154 if ((pager = getenv("PAGER")) != NULL &&
155 pager[0] != '\0')
156 pager = check_pager(pager);
157 else
158 pager = _PATH_PAGER;
159 }
160 }
161 /* Read the configuration file. */
162 config(conffile);
163
164 /* Get the machine type. */
165 if ((machine = getenv("MACHINE")) == NULL)
166 machine = MACHINE;
167
168 /* If there's no _default list, create an empty one. */
169 if ((defp = getlist("_default")) == NULL)
170 defp = addlist("_default");
171
172 /*
173 * 1: If the user specified a MANPATH variable, or set the -M
174 * option, we replace the _default list with the user's list,
175 * appending the entries in the _subdir list and the machine.
176 */
177 if (p_path == NULL)
178 p_path = getenv("MANPATH");
179 if (p_path != NULL) {
180 while ((e_defp = defp->list.tqh_first) != NULL) {
181 free(e_defp->s);
182 TAILQ_REMOVE(&defp->list, e_defp, q);
183 }
184 for (p = strtok(p_path, ":");
185 p != NULL; p = strtok(NULL, ":")) {
186 slashp = p[strlen(p) - 1] == '/' ? "" : "/";
187 e_subp = (subp = getlist("_subdir")) == NULL ?
188 NULL : subp->list.tqh_first;
189 for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
190 (void)snprintf(buf, sizeof(buf), "%s%s%s{/%s,}",
191 p, slashp, e_subp->s, machine);
192 if ((ep = malloc(sizeof(ENTRY))) == NULL ||
193 (ep->s = strdup(buf)) == NULL)
194 err(1, "malloc");
195 TAILQ_INSERT_TAIL(&defp->list, ep, q);
196 }
197 }
198 }
199
200 /*
201 * 2: If the user did not specify MANPATH, -M or a section, rewrite
202 * the _default list to include the _subdir list and the machine.
203 */
204 if (argv[1] == NULL)
205 section = NULL;
206 else if ((section = getlist(*argv)) != NULL)
207 ++argv;
208 if (p_path == NULL && section == NULL) {
209 defnewp = addlist("_default_new");
210 e_defp =
211 defp->list.tqh_first == NULL ? NULL : defp->list.tqh_first;
212 for (; e_defp != NULL; e_defp = e_defp->q.tqe_next) {
213 slashp =
214 e_defp->s[strlen(e_defp->s) - 1] == '/' ? "" : "/";
215 e_subp = (subp = getlist("_subdir")) == NULL ?
216 NULL : subp->list.tqh_first;
217 for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
218 (void)snprintf(buf, sizeof(buf), "%s%s%s{/%s,}",
219 e_defp->s, slashp, e_subp->s, machine);
220 if ((ep = malloc(sizeof(ENTRY))) == NULL ||
221 (ep->s = strdup(buf)) == NULL)
222 err(1, "malloc");
223 TAILQ_INSERT_TAIL(&defnewp->list, ep, q);
224 }
225 }
226 defp = getlist("_default");
227 while ((e_defp = defp->list.tqh_first) != NULL) {
228 free(e_defp->s);
229 TAILQ_REMOVE(&defp->list, e_defp, q);
230 }
231 free(defp->s);
232 TAILQ_REMOVE(&head, defp, q);
233 defnewp = getlist("_default_new");
234 free(defnewp->s);
235 defnewp->s = "_default";
236 defp = defnewp;
237 }
238
239 /*
240 * 3: If the user set the -m option, insert the user's list before
241 * whatever list we have, again appending the _subdir list and
242 * the machine.
243 */
244 if (p_add != NULL)
245 for (p = strtok(p_add, ":"); p != NULL; p = strtok(NULL, ":")) {
246 slashp = p[strlen(p) - 1] == '/' ? "" : "/";
247 e_subp = (subp = getlist("_subdir")) == NULL ?
248 NULL : subp->list.tqh_first;
249 for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
250 (void)snprintf(buf, sizeof(buf), "%s%s%s{/%s,}",
251 p, slashp, e_subp->s, machine);
252 if ((ep = malloc(sizeof(ENTRY))) == NULL ||
253 (ep->s = strdup(buf)) == NULL)
254 err(1, "malloc");
255 TAILQ_INSERT_HEAD(&defp->list, ep, q);
256 }
257 }
258
259 /*
260 * 4: If no -m was specified, and a section was, rewrite the section's
261 * paths (if they have a trailing slash) to append the _subdir list
262 * and the machine. This then becomes the _default list.
263 */
264 if (p_add == NULL && section != NULL) {
265 sectnewp = addlist("_section_new");
266 for (e_sectp = section->list.tqh_first;
267 e_sectp != NULL; e_sectp = e_sectp->q.tqe_next) {
268 if (e_sectp->s[strlen(e_sectp->s) - 1] != '/') {
269 (void)snprintf(buf, sizeof(buf),
270 "%s{/%s,}", e_sectp->s, machine);
271 if ((ep = malloc(sizeof(ENTRY))) == NULL ||
272 (ep->s = strdup(buf)) == NULL)
273 err(1, "malloc");
274 TAILQ_INSERT_TAIL(§newp->list, ep, q);
275 continue;
276 }
277 e_subp = (subp = getlist("_subdir")) == NULL ?
278 NULL : subp->list.tqh_first;
279 for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
280 (void)snprintf(buf, sizeof(buf), "%s%s{/%s,}",
281 e_sectp->s, e_subp->s, machine);
282 if ((ep = malloc(sizeof(ENTRY))) == NULL ||
283 (ep->s = strdup(buf)) == NULL)
284 err(1, "malloc");
285 TAILQ_INSERT_TAIL(§newp->list, ep, q);
286 }
287 }
288 sectnewp->s = section->s;
289 defp = sectnewp;
290 TAILQ_REMOVE(&head, section, q);
291 }
292
293 /*
294 * 5: Search for the files. Set up an interrupt handler, so the
295 * temporary files go away.
296 */
297 (void)signal(SIGINT, onsig);
298 (void)signal(SIGHUP, onsig);
299
300 memset(&pg, 0, sizeof(pg));
301 for (found = 0; *argv; ++argv)
302 if (manual(*argv, defp, &pg))
303 found = 1;
304
305 /* 6: If nothing found, we're done. */
306 if (!found) {
307 (void)cleanup();
308 exit (1);
309 }
310
311 /* 7: If it's simple, display it fast. */
312 if (f_cat) {
313 for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
314 if (**ap == '\0')
315 continue;
316 cat(*ap);
317 }
318 exit (cleanup());
319 }
320 if (f_how) {
321 for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
322 if (**ap == '\0')
323 continue;
324 how(*ap);
325 }
326 exit(cleanup());
327 }
328 if (f_where) {
329 for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
330 if (**ap == '\0')
331 continue;
332 (void)printf("%s\n", *ap);
333 }
334 exit(cleanup());
335 }
336
337 /*
338 * 8: We display things in a single command; build a list of things
339 * to display.
340 */
341 for (ap = pg.gl_pathv, len = strlen(pager) + 1; *ap != NULL; ++ap) {
342 if (**ap == '\0')
343 continue;
344 len += strlen(*ap) + 1;
345 }
346 if ((cmd = malloc(len)) == NULL) {
347 warn("malloc");
348 (void)cleanup();
349 exit(1);
350 }
351 p = cmd;
352 len = strlen(pager);
353 memmove(p, pager, len);
354 p += len;
355 *p++ = ' ';
356 for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
357 if (**ap == '\0')
358 continue;
359 len = strlen(*ap);
360 memmove(p, *ap, len);
361 p += len;
362 *p++ = ' ';
363 }
364 *--p = '\0';
365
366 /* Use system(3) in case someone's pager is "pager arg1 arg2". */
367 (void)system(cmd);
368
369 exit(cleanup());
370 }
371
372 /*
373 * manual --
374 * Search the manuals for the pages.
375 */
376 static int
377 manual(page, tag, pg)
378 char *page;
379 TAG *tag;
380 glob_t *pg;
381 {
382 ENTRY *ep, *e_sufp, *e_tag;
383 TAG *missp, *sufp;
384 int anyfound, cnt, error, found;
385 char *p, buf[MAXPATHLEN];
386
387 anyfound = 0;
388 buf[0] = '*';
389
390 /* For each element in the list... */
391 e_tag = tag == NULL ? NULL : tag->list.tqh_first;
392 for (; e_tag != NULL; e_tag = e_tag->q.tqe_next) {
393 (void)snprintf(buf, sizeof(buf), "%s/%s.*", e_tag->s, page);
394 if ((error = glob(buf,
395 GLOB_APPEND | GLOB_BRACE | GLOB_NOSORT, NULL, pg)) != 0) {
396 if (error == GLOB_NOMATCH)
397 continue;
398 else {
399 warn("globbing");
400 (void)cleanup();
401 exit(1);
402 }
403 }
404 if (pg->gl_matchc == 0)
405 continue;
406
407 /* Find out if it's really a man page. */
408 for (cnt = pg->gl_pathc - pg->gl_matchc;
409 cnt < pg->gl_pathc; ++cnt) {
410
411 /*
412 * Try the _suffix key words first.
413 *
414 * XXX
415 * Older versions of man.conf didn't have the suffix
416 * key words, it was assumed that everything was a .0.
417 * We just test for .0 first, it's fast and probably
418 * going to hit.
419 */
420 (void)snprintf(buf, sizeof(buf), "*/%s.0", page);
421 if (!fnmatch(buf, pg->gl_pathv[cnt], 0))
422 goto next;
423
424 e_sufp = (sufp = getlist("_suffix")) == NULL ?
425 NULL : sufp->list.tqh_first;
426 for (found = 0;
427 e_sufp != NULL; e_sufp = e_sufp->q.tqe_next) {
428 (void)snprintf(buf,
429 sizeof(buf), "*/%s%s", page, e_sufp->s);
430 if (!fnmatch(buf, pg->gl_pathv[cnt], 0)) {
431 found = 1;
432 break;
433 }
434 }
435 if (found)
436 goto next;
437
438 /* Try the _build key words next. */
439 e_sufp = (sufp = getlist("_build")) == NULL ?
440 NULL : sufp->list.tqh_first;
441 for (found = 0;
442 e_sufp != NULL; e_sufp = e_sufp->q.tqe_next) {
443 for (p = e_sufp->s;
444 *p != '\0' && !isspace((unsigned char)*p); ++p);
445 if (*p == '\0')
446 continue;
447 *p = '\0';
448 (void)snprintf(buf,
449 sizeof(buf), "*/%s%s", page, e_sufp->s);
450 if (!fnmatch(buf, pg->gl_pathv[cnt], 0)) {
451 if (!f_where)
452 build_page(p + 1,
453 &pg->gl_pathv[cnt]);
454 *p = ' ';
455 found = 1;
456 break;
457 }
458 *p = ' ';
459 }
460 if (found) {
461 next: anyfound = 1;
462 if (!f_all) {
463 /* Delete any other matches. */
464 while (++cnt< pg->gl_pathc)
465 pg->gl_pathv[cnt] = "";
466 break;
467 }
468 continue;
469 }
470
471 /* It's not a man page, forget about it. */
472 pg->gl_pathv[cnt] = "";
473 }
474
475 if (anyfound && !f_all)
476 break;
477 }
478
479 /* If not found, enter onto the missing list. */
480 if (!anyfound) {
481 if ((missp = getlist("_missing")) == NULL)
482 missp = addlist("_missing");
483 if ((ep = malloc(sizeof(ENTRY))) == NULL ||
484 (ep->s = strdup(page)) == NULL) {
485 warn("malloc");
486 (void)cleanup();
487 exit(1);
488 }
489 TAILQ_INSERT_TAIL(&missp->list, ep, q);
490 }
491 return (anyfound);
492 }
493
494 /*
495 * build_page --
496 * Build a man page for display.
497 */
498 static void
499 build_page(fmt, pathp)
500 char *fmt, **pathp;
501 {
502 static int warned;
503 ENTRY *ep;
504 TAG *intmpp;
505 int fd, n;
506 char *p, *b;
507 char buf[MAXPATHLEN], cmd[MAXPATHLEN], tpath[sizeof(_PATH_TMP)];
508
509 /* Let the user know this may take awhile. */
510 if (!warned) {
511 warned = 1;
512 warnx("Formatting manual page...");
513 }
514
515 /*
516 * Historically man chdir'd to the root of the man tree.
517 * This was used in man pages that contained relative ".so"
518 * directives (including other man pages for command aliases etc.)
519 * It even went one step farther, by examining the first line
520 * of the man page and parsing the .so filename so it would
521 * make hard(?) links to the cat'ted man pages for space savings.
522 * (We don't do that here, but we could).
523 */
524
525 /* copy and find the end */
526 for (b = buf, p = *pathp; (*b++ = *p++) != '\0';)
527 continue;
528
529 /* skip the last two path components, page name and man[n] */
530 for (--b, --p, n = 2; b != buf; b--, p--)
531 if (*b == '/')
532 if (--n == 0) {
533 *b = '\0';
534 (void) chdir(buf);
535 p++;
536 break;
537 }
538
539
540 /* Add a remove-when-done list. */
541 if ((intmpp = getlist("_intmp")) == NULL)
542 intmpp = addlist("_intmp");
543
544 /* Move to the printf(3) format string. */
545 for (; *fmt && isspace((unsigned char)*fmt); ++fmt)
546 continue;
547
548 /*
549 * Get a temporary file and build a version of the file
550 * to display. Replace the old file name with the new one.
551 */
552 (void)strcpy(tpath, _PATH_TMP);
553 if ((fd = mkstemp(tpath)) == -1) {
554 warn("%s", tpath);
555 (void)cleanup();
556 exit(1);
557 }
558 (void)snprintf(buf, sizeof(buf), "%s > %s", fmt, tpath);
559 (void)snprintf(cmd, sizeof(cmd), buf, p);
560 (void)system(cmd);
561 (void)close(fd);
562 if ((*pathp = strdup(tpath)) == NULL) {
563 warn("malloc");
564 (void)cleanup();
565 exit(1);
566 }
567
568 /* Link the built file into the remove-when-done list. */
569 if ((ep = malloc(sizeof(ENTRY))) == NULL) {
570 warn("malloc");
571 (void)cleanup();
572 exit(1);
573 }
574 ep->s = *pathp;
575 TAILQ_INSERT_TAIL(&intmpp->list, ep, q);
576 }
577
578 /*
579 * how --
580 * display how information
581 */
582 static void
583 how(fname)
584 char *fname;
585 {
586 FILE *fp;
587
588 int lcnt, print;
589 char *p, buf[256];
590
591 if (!(fp = fopen(fname, "r"))) {
592 warn("%s", fname);
593 (void)cleanup();
594 exit (1);
595 }
596 #define S1 "SYNOPSIS"
597 #define S2 "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"
598 #define D1 "DESCRIPTION"
599 #define D2 "D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN"
600 for (lcnt = print = 0; fgets(buf, sizeof(buf), fp);) {
601 if (!strncmp(buf, S1, sizeof(S1) - 1) ||
602 !strncmp(buf, S2, sizeof(S2) - 1)) {
603 print = 1;
604 continue;
605 } else if (!strncmp(buf, D1, sizeof(D1) - 1) ||
606 !strncmp(buf, D2, sizeof(D2) - 1))
607 return;
608 if (!print)
609 continue;
610 if (*buf == '\n')
611 ++lcnt;
612 else {
613 for(; lcnt; --lcnt)
614 (void)putchar('\n');
615 for (p = buf; isspace((unsigned char)*p); ++p)
616 continue;
617 (void)fputs(p, stdout);
618 }
619 }
620 (void)fclose(fp);
621 }
622
623 /*
624 * cat --
625 * cat out the file
626 */
627 static void
628 cat(fname)
629 char *fname;
630 {
631 int fd, n;
632 char buf[2048];
633
634 if ((fd = open(fname, O_RDONLY, 0)) < 0) {
635 warn("%s", fname);
636 (void)cleanup();
637 exit(1);
638 }
639 while ((n = read(fd, buf, sizeof(buf))) > 0)
640 if (write(STDOUT_FILENO, buf, n) != n) {
641 warn("write");
642 (void)cleanup();
643 exit (1);
644 }
645 if (n == -1) {
646 warn("read");
647 (void)cleanup();
648 exit(1);
649 }
650 (void)close(fd);
651 }
652
653 /*
654 * check_pager --
655 * check the user supplied page information
656 */
657 static char *
658 check_pager(name)
659 char *name;
660 {
661 char *p, *save;
662
663 /*
664 * if the user uses "more", we make it "more -s"; watch out for
665 * PAGER = "mypager /usr/ucb/more"
666 */
667 for (p = name; *p && !isspace((unsigned char)*p); ++p)
668 continue;
669 for (; p > name && *p != '/'; --p);
670 if (p != name)
671 ++p;
672
673 /* make sure it's "more", not "morex" */
674 if (!strncmp(p, "more", 4) && (!p[4] || isspace((unsigned char)p[4]))){
675 save = name;
676 /* allocate space to add the "-s" */
677 if (!(name =
678 malloc((u_int)(strlen(save) + sizeof("-s") + 1))))
679 err(1, "malloc");
680 (void)sprintf(name, "%s %s", save, "-s");
681 }
682 return(name);
683 }
684
685 /*
686 * jump --
687 * strip out flag argument and jump
688 */
689 static void
690 jump(argv, flag, name)
691 char **argv, *flag, *name;
692 {
693 char **arg;
694
695 argv[0] = name;
696 for (arg = argv + 1; *arg; ++arg)
697 if (!strcmp(*arg, flag))
698 break;
699 for (; *arg; ++arg)
700 arg[0] = arg[1];
701 execvp(name, argv);
702 (void)fprintf(stderr, "%s: Command not found.\n", name);
703 exit(1);
704 }
705
706 /*
707 * onsig --
708 * If signaled, delete the temporary files.
709 */
710 static void
711 onsig(signo)
712 int signo;
713 {
714 (void)cleanup();
715
716 (void)signal(signo, SIG_DFL);
717 (void)kill(getpid(), signo);
718
719 /* NOTREACHED */
720 exit (1);
721 }
722
723 /*
724 * cleanup --
725 * Clean up temporary files, show any error messages.
726 */
727 static int
728 cleanup()
729 {
730 TAG *intmpp, *missp;
731 ENTRY *ep;
732 int rval;
733
734 rval = 0;
735 ep = (missp = getlist("_missing")) == NULL ?
736 NULL : missp->list.tqh_first;
737 if (ep != NULL)
738 for (; ep != NULL; ep = ep->q.tqe_next) {
739 warnx("no entry for %s in the manual.", ep->s);
740 rval = 1;
741 }
742
743 ep = (intmpp = getlist("_intmp")) == NULL ?
744 NULL : intmpp->list.tqh_first;
745 for (; ep != NULL; ep = ep->q.tqe_next)
746 (void)unlink(ep->s);
747 return (rval);
748 }
749
750 /*
751 * usage --
752 * print usage message and die
753 */
754 static void
755 usage()
756 {
757 extern char *__progname;
758 (void)fprintf(stderr,
759 "Usage: %s [-achw] [-C file] [-M path] [-m path] [section] title ...\n",
760 __progname);
761 exit(1);
762 }
763