kill the undead

1 files changed, 0 insertions, 712 deletions

diff --git a/usr.bin/man/man.c b/usr.bin/man/man.c
deleted file mode 100644
index 4f3b9e5..0000000
--- a/usr.bin/man/man.c
+++ /dev/null
@@ -1,712 +0,0 @@
-/*
- * Copyright (c) 1987, 1993, 1994, 1995
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1987, 1993, 1994, 1995\n\
-	The Regents of the University of California.  All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)man.c	8.17 (Berkeley) 1/31/95";
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/queue.h>
-
-#include <ctype.h>
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <fnmatch.h>
-#include <glob.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "pathnames.h"
-
-int f_all, f_where;
-
-static void	 build_page __P((char *, char **));
-static void	 cat __P((char *));
-static char	*check_pager __P((char *));
-static int	 cleanup __P((void));
-static void	 how __P((char *));
-static void	 jump __P((char **, char *, char *));
-static int	 manual __P((char *, TAG *, glob_t *));
-static void	 onsig __P((int));
-static void	 usage __P((void));
-
-int
-main(argc, argv)
-	int argc;
-	char *argv[];
-{
-	extern char *optarg;
-	extern int optind;
-	TAG *defp, *defnewp, *section, *sectnewp, *subp;
-	ENTRY *e_defp, *e_sectp, *e_subp, *ep;
-	glob_t pg;
-	size_t len;
-	int ch, f_cat, f_how, found;
-	char **ap, *cmd, *machine, *p, *p_add, *p_path, *pager, *slashp;
-	char *conffile, buf[MAXPATHLEN * 2];
-
-	f_cat = f_how = 0;
-	conffile = p_add = p_path = NULL;
-	while ((ch = getopt(argc, argv, "-aC:cfhkM:m:P:w")) != EOF)
-		switch (ch) {
-		case 'a':
-			f_all = 1;
-			break;
-		case 'C':
-			conffile = optarg;
-			break;
-		case 'c':
-		case '-':		/* Deprecated. */
-			f_cat = 1;
-			break;
-		case 'h':
-			f_how = 1;
-			break;
-		case 'm':
-			p_add = optarg;
-			break;
-		case 'M':
-		case 'P':		/* Backward compatibility. */
-			p_path = optarg;
-			break;
-		/*
-		 * The -f and -k options are backward compatible,
-		 * undocumented ways of calling whatis(1) and apropos(1).
-		 */
-		case 'f':
-			jump(argv, "-f", "whatis");
-			/* NOTREACHED */
-		case 'k':
-			jump(argv, "-k", "apropos");
-			/* NOTREACHED */
-		case 'w':
-			f_all = f_where = 1;
-			break;
-		case '?':
-		default:
-			usage();
-		}
-	argc -= optind;
-	argv += optind;
-
-	if (!*argv)
-		usage();
-
-	if (!f_cat && !f_how && !f_where)
-		if (!isatty(1))
-			f_cat = 1;
-		else if ((pager = getenv("PAGER")) != NULL)
-			pager = check_pager(pager);
-		else
-			pager = _PATH_PAGER;
-
-	/* Read the configuration file. */
-	config(conffile);
-
-	/* Get the machine type. */
-	if ((machine = getenv("MACHINE")) == NULL)
-		machine = MACHINE;
-
-	/* If there's no _default list, create an empty one. */
-	if ((defp = getlist("_default")) == NULL)
-		defp = addlist("_default");
-
-	/*
-	 * 1: If the user specified a MANPATH variable, or set the -M
-	 *    option, we replace the _default list with the user's list,
-	 *    appending the entries in the _subdir list and the machine.
-	 */
-	if (p_path == NULL)
-		p_path = getenv("MANPATH");
-	if (p_path != NULL) {
-		while ((e_defp = defp->list.tqh_first) != NULL) {
-			free(e_defp->s);
-			TAILQ_REMOVE(&defp->list, e_defp, q);
-		}
-		for (p = strtok(p_path, ":");
-		    p != NULL; p = strtok(NULL, ":")) {
-			slashp = p[strlen(p) - 1] == '/' ? "" : "/";
-			e_subp = (subp = getlist("_subdir")) == NULL ?
-			    NULL : subp->list.tqh_first;
-			for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
-				(void)snprintf(buf, sizeof(buf), "%s%s%s{/%s,}",
-				    p, slashp, e_subp->s, machine);
-				if ((ep = malloc(sizeof(ENTRY))) == NULL ||
-				    (ep->s = strdup(buf)) == NULL)
-					err(1, NULL);
-				TAILQ_INSERT_TAIL(&defp->list, ep, q);
-			}
-		}
-	}
-
-	/*
-	 * 2: If the user did not specify MANPATH, -M or a section, rewrite
-	 *    the _default list to include the _subdir list and the machine.
-	 */
-	if (argv[1] == NULL)
-		section = NULL;
-	else if ((section = getlist(*argv)) != NULL)
-		++argv;
-	if (p_path == NULL && section == NULL) {
-		defnewp = addlist("_default_new");
-		e_defp =
-		    defp->list.tqh_first == NULL ? NULL : defp->list.tqh_first;
-		for (; e_defp != NULL; e_defp = e_defp->q.tqe_next) {
-			slashp =
-			    e_defp->s[strlen(e_defp->s) - 1] == '/' ? "" : "/";
-			e_subp = (subp = getlist("_subdir")) == NULL ?
-			    NULL : subp->list.tqh_first;
-			for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
-				(void)snprintf(buf, sizeof(buf), "%s%s%s{/%s,}",
-				e_defp->s, slashp, e_subp->s, machine);
-				if ((ep = malloc(sizeof(ENTRY))) == NULL ||
-				    (ep->s = strdup(buf)) == NULL)
-					err(1, NULL);
-				TAILQ_INSERT_TAIL(&defnewp->list, ep, q);
-			}
-		}
-		defp = getlist("_default");
-		while ((e_defp = defp->list.tqh_first) != NULL) {
-			free(e_defp->s);
-			TAILQ_REMOVE(&defp->list, e_defp, q);
-		}
-		free(defp->s);
-		TAILQ_REMOVE(&head, defp, q);
-		defnewp = getlist("_default_new");
-		free(defnewp->s);
-		defnewp->s = "_default";
-		defp = defnewp;
-	}
-
-	/*
-	 * 3: If the user set the -m option, insert the user's list before
-	 *    whatever list we have, again appending the _subdir list and
-	 *    the machine.
-	 */
-	if (p_add != NULL)
-		for (p = strtok(p_add, ":"); p != NULL; p = strtok(NULL, ":")) {
-			slashp = p[strlen(p) - 1] == '/' ? "" : "/";
-			e_subp = (subp = getlist("_subdir")) == NULL ?
-			    NULL : subp->list.tqh_first;
-			for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
-				(void)snprintf(buf, sizeof(buf), "%s%s%s{/%s,}",
-				    p, slashp, e_subp->s, machine);
-				if ((ep = malloc(sizeof(ENTRY))) == NULL ||
-				    (ep->s = strdup(buf)) == NULL)
-					err(1, NULL);
-				TAILQ_INSERT_HEAD(&defp->list, ep, q);
-			}
-		}
-
-	/*
-	 * 4: If none of MANPATH, -M, or -m were specified, and a section was,
-	 *    rewrite the section's paths (if they have a trailing slash) to
-	 *    append the _subdir list and the machine.  This then becomes the
-	 *    _default list.
-	 */
-	if (p_path == NULL && p_add == NULL && section != NULL) {
-		sectnewp = addlist("_section_new");
-		for (e_sectp = section->list.tqh_first;
-		    e_sectp != NULL; e_sectp = e_sectp->q.tqe_next) {
-			if (e_sectp->s[strlen(e_sectp->s) - 1] != '/') {
-				(void)snprintf(buf, sizeof(buf),
-				    "%s{/%s,}", e_sectp->s, machine);
-				if ((ep = malloc(sizeof(ENTRY))) == NULL ||
-				    (ep->s = strdup(buf)) == NULL)
-					err(1, NULL);
-				TAILQ_INSERT_TAIL(&sectnewp->list, ep, q);
-				continue;
-			}
-			e_subp = (subp = getlist("_subdir")) == NULL ?
-			    NULL : subp->list.tqh_first;
-			for (; e_subp != NULL; e_subp = e_subp->q.tqe_next) {
-				(void)snprintf(buf, sizeof(buf), "%s%s{/%s,}",
-				    e_sectp->s, e_subp->s, machine);
-				if ((ep = malloc(sizeof(ENTRY))) == NULL ||
-				    (ep->s = strdup(buf)) == NULL)
-					err(1, NULL);
-				TAILQ_INSERT_TAIL(&sectnewp->list, ep, q);
-			}
-		}
-		sectnewp->s = section->s;
-		defp = sectnewp;
-		TAILQ_REMOVE(&head, section, q);
-	}
-
-	/*
-	 * 5: Search for the files.  Set up an interrupt handler, so the
-	 *    temporary files go away.
-	 */
-	(void)signal(SIGINT, onsig);
-	(void)signal(SIGHUP, onsig);
-
-	memset(&pg, 0, sizeof(pg));
-	for (found = 0; *argv; ++argv)
-		if (manual(*argv, defp, &pg))
-			found = 1;
-
-	/* 6: If nothing found, we're done. */
-	if (!found) {
-		(void)cleanup();
-		exit (1);
-	}
-
-	/* 7: If it's simple, display it fast. */
-	if (f_cat) {
-		for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
-			if (**ap == '\0')
-				continue;
-			cat(*ap);
-		}
-		exit (cleanup());
-	}
-	if (f_how) {
-		for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
-			if (**ap == '\0')
-				continue;
-			how(*ap);
-		}
-		exit(cleanup());
-	}
-	if (f_where) {
-		for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
-			if (**ap == '\0')
-				continue;
-			(void)printf("%s\n", *ap);
-		}
-		exit(cleanup());
-	}
-		
-	/*
-	 * 8: We display things in a single command; build a list of things
-	 *    to display.
-	 */
-	for (ap = pg.gl_pathv, len = strlen(pager) + 1; *ap != NULL; ++ap) {
-		if (**ap == '\0')
-			continue;
-		len += strlen(*ap) + 1;
-	}
-	if ((cmd = malloc(len)) == NULL) {
-		warn(NULL);
-		(void)cleanup();
-		exit(1);
-	}
-	p = cmd;
-	len = strlen(pager);
-	memmove(p, pager, len);
-	p += len;
-	*p++ = ' ';
-	for (ap = pg.gl_pathv; *ap != NULL; ++ap) {
-		if (**ap == '\0')
-			continue;
-		len = strlen(*ap);
-		memmove(p, *ap, len);
-		p += len;
-		*p++ = ' ';
-	}
-	*p = '\0';
-
-	/* Use system(3) in case someone's pager is "pager arg1 arg2". */
-	(void)system(cmd);
-
-	exit(cleanup());
-}
-
-/*
- * manual --
- *	Search the manuals for the pages.
- */
-static int
-manual(page, tag, pg)
-	char *page;
-	TAG *tag;
-	glob_t *pg;
-{
-	ENTRY *ep, *e_sufp, *e_tag;
-	TAG *missp, *sufp;
-	int anyfound, cnt, found;
-	char *p, buf[128];
-
-	anyfound = 0;
-	buf[0] = '*';
-
-	/* For each element in the list... */
-	e_tag = tag == NULL ? NULL : tag->list.tqh_first;
-	for (; e_tag != NULL; e_tag = e_tag->q.tqe_next) {
-		(void)snprintf(buf, sizeof(buf), "%s/%s.*", e_tag->s, page);
-		if (glob(buf,
-		    GLOB_APPEND | GLOB_BRACE | GLOB_NOSORT | GLOB_QUOTE,
-		    NULL, pg)) {
-			warn("globbing");
-			(void)cleanup();
-			exit(1);
-		}
-		if (pg->gl_matchc == 0)
-			continue;
-
-		/* Find out if it's really a man page. */
-		for (cnt = pg->gl_pathc - pg->gl_matchc;
-		    cnt < pg->gl_pathc; ++cnt) {
-
-			/*
-			 * Try the _suffix key words first.
-			 *
-			 * XXX
-			 * Older versions of man.conf didn't have the suffix
-			 * key words, it was assumed that everything was a .0.
-			 * We just test for .0 first, it's fast and probably
-			 * going to hit.
-			 */
-			(void)snprintf(buf, sizeof(buf), "*/%s.0", page);
-			if (!fnmatch(buf, pg->gl_pathv[cnt], 0))
-				goto next;
-
-			e_sufp = (sufp = getlist("_suffix")) == NULL ?
-			    NULL : sufp->list.tqh_first;
-			for (found = 0;
-			    e_sufp != NULL; e_sufp = e_sufp->q.tqe_next) {
-				(void)snprintf(buf,
-				     sizeof(buf), "*/%s%s", page, e_sufp->s);
-				if (!fnmatch(buf, pg->gl_pathv[cnt], 0)) {
-					found = 1;
-					break;
-				}
-			}
-			if (found)
-				goto next;
-
-			/* Try the _build key words next. */
-			e_sufp = (sufp = getlist("_build")) == NULL ?
-			    NULL : sufp->list.tqh_first;
-			for (found = 0;
-			    e_sufp != NULL; e_sufp = e_sufp->q.tqe_next) {
-				for (p = e_sufp->s;
-				    *p != '\0' && !isspace(*p); ++p);
-				if (*p == '\0')
-					continue;
-				*p = '\0';
-				(void)snprintf(buf,
-				     sizeof(buf), "*/%s%s", page, e_sufp->s);
-				if (!fnmatch(buf, pg->gl_pathv[cnt], 0)) {
-					if (!f_where)
-						build_page(p + 1,
-						    &pg->gl_pathv[cnt]);
-					*p = ' ';
-					found = 1;
-					break;
-				}
-				*p = ' ';
-			}
-			if (found) {
-next:				anyfound = 1;
-				if (!f_all) {
-					/* Delete any other matches. */
-					while (++cnt< pg->gl_pathc)
-						pg->gl_pathv[cnt] = "";
-					break;
-				}
-				continue;
-			}
-
-			/* It's not a man page, forget about it. */
-			pg->gl_pathv[cnt] = "";
-		}
-
-		if (anyfound && !f_all)
-			break;
-	}
-
-	/* If not found, enter onto the missing list. */
-	if (!anyfound) {
-		if ((missp = getlist("_missing")) == NULL)
-			missp = addlist("_missing");
-		if ((ep = malloc(sizeof(ENTRY))) == NULL ||
-		    (ep->s = strdup(page)) == NULL) {
-			warn(NULL);
-			(void)cleanup();
-			exit(1);
-		}
-		TAILQ_INSERT_TAIL(&missp->list, ep, q);
-	}
-	return (anyfound);
-}
-
-/* 
- * build_page --
- *	Build a man page for display.
- */
-static void
-build_page(fmt, pathp)
-	char *fmt, **pathp;
-{
-	static int warned;
-	ENTRY *ep;
-	TAG *intmpp;
-	int fd;
-	char buf[MAXPATHLEN], cmd[MAXPATHLEN], tpath[sizeof(_PATH_TMP)];
-
-	/* Let the user know this may take awhile. */
-	if (!warned) {
-		warned = 1;
-		warnx("Formatting manual page...");
-	}
-
-	/* Add a remove-when-done list. */
-	if ((intmpp = getlist("_intmp")) == NULL)
-		intmpp = addlist("_intmp");
-
-	/* Move to the printf(3) format string. */
-	for (; *fmt && isspace(*fmt); ++fmt);
-
-	/*
-	 * Get a temporary file and build a version of the file
-	 * to display.  Replace the old file name with the new one.
-	 */
-	(void)strcpy(tpath, _PATH_TMP);
-	if ((fd = mkstemp(tpath)) == -1) {
-		warn("%s", tpath);
-		(void)cleanup();
-		exit(1);
-	}
-	(void)snprintf(buf, sizeof(buf), "%s > %s", fmt, tpath);
-	(void)snprintf(cmd, sizeof(cmd), buf, *pathp);
-	(void)system(cmd);
-	(void)close(fd);
-	if ((*pathp = strdup(tpath)) == NULL) {
-		warn(NULL);
-		(void)cleanup();
-		exit(1);
-	}
-
-	/* Link the built file into the remove-when-done list. */
-	if ((ep = malloc(sizeof(ENTRY))) == NULL) {
-		warn(NULL);
-		(void)cleanup();
-		exit(1);
-	}
-	ep->s = *pathp;
-	TAILQ_INSERT_TAIL(&intmpp->list, ep, q);
-}
-
-/*
- * how --
- *	display how information
- */
-static void
-how(fname)
-	char *fname;
-{
-	FILE *fp;
-
-	int lcnt, print;
-	char *p, buf[256];
-
-	if (!(fp = fopen(fname, "r"))) {
-		warn("%s", fname);
-		(void)cleanup();
-		exit (1);
-	}
-#define	S1	"SYNOPSIS"
-#define	S2	"S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"
-#define	D1	"DESCRIPTION"
-#define	D2	"D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN"
-	for (lcnt = print = 0; fgets(buf, sizeof(buf), fp);) {
-		if (!strncmp(buf, S1, sizeof(S1) - 1) ||
-		    !strncmp(buf, S2, sizeof(S2) - 1)) {
-			print = 1;
-			continue;
-		} else if (!strncmp(buf, D1, sizeof(D1) - 1) ||
-		    !strncmp(buf, D2, sizeof(D2) - 1))
-			return;
-		if (!print)
-			continue;
-		if (*buf == '\n')
-			++lcnt;
-		else {
-			for(; lcnt; --lcnt)
-				(void)putchar('\n');
-			for (p = buf; isspace(*p); ++p);
-			(void)fputs(p, stdout);
-		}
-	}
-	(void)fclose(fp);
-}
-
-/*
- * cat --
- *	cat out the file
- */
-static void
-cat(fname)
-	char *fname;
-{
-	int fd, n;
-	char buf[2048];
-
-	if ((fd = open(fname, O_RDONLY, 0)) < 0) {
-		warn("%s", fname);
-		(void)cleanup();
-		exit(1);
-	}
-	while ((n = read(fd, buf, sizeof(buf))) > 0)
-		if (write(STDOUT_FILENO, buf, n) != n) {
-			warn("write");
-			(void)cleanup();
-			exit (1);
-		}
-	if (n == -1) {
-		warn("read");
-		(void)cleanup();
-		exit(1);
-	}
-	(void)close(fd);
-}
-
-/*
- * check_pager --
- *	check the user supplied page information
- */
-static char *
-check_pager(name)
-	char *name;
-{
-	char *p, *save;
-
-	/*
-	 * if the user uses "more", we make it "more -s"; watch out for
-	 * PAGER = "mypager /usr/ucb/more"
-	 */
-	for (p = name; *p && !isspace(*p); ++p);
-	for (; p > name && *p != '/'; --p);
-	if (p != name)
-		++p;
-
-	/* make sure it's "more", not "morex" */
-	if (!strncmp(p, "more", 4) && (!p[4] || isspace(p[4]))){
-		save = name;
-		/* allocate space to add the "-s" */
-		if (!(name =
-		    malloc((u_int)(strlen(save) + sizeof("-s") + 1))))
-			err(1, NULL);
-		(void)sprintf(name, "%s %s", save, "-s");
-	}
-	return(name);
-}
-
-/*
- * jump --
- *	strip out flag argument and jump
- */
-static void
-jump(argv, flag, name)
-	char **argv, *flag, *name;
-{
-	char **arg;
-
-	argv[0] = name;
-	for (arg = argv + 1; *arg; ++arg)
-		if (!strcmp(*arg, flag))
-			break;
-	for (; *arg; ++arg)
-		arg[0] = arg[1];
-	execvp(name, argv);
-	(void)fprintf(stderr, "%s: Command not found.\n", name);
-	exit(1);
-}
-
-/* 
- * onsig --
- *	If signaled, delete the temporary files.
- */
-static void
-onsig(signo)
-	int signo;
-{
-	(void)cleanup();
-
-	(void)signal(signo, SIG_DFL);
-	(void)kill(getpid(), signo);
-
-	/* NOTREACHED */
-	exit (1);
-}
-
-/*
- * cleanup --
- *	Clean up temporary files, show any error messages.
- */
-static int
-cleanup()
-{
-	TAG *intmpp, *missp;
-	ENTRY *ep;
-	int rval;
-
-	rval = 0;
-	ep = (missp = getlist("_missing")) == NULL ?
-	    NULL : missp->list.tqh_first;
-	if (ep != NULL)
-		for (; ep != NULL; ep = ep->q.tqe_next) {
-			warnx("no entry for %s in the manual.", ep->s);
-			rval = 1;
-		}
-
-	ep = (intmpp = getlist("_intmp")) == NULL ?
-	    NULL : intmpp->list.tqh_first;
-	for (; ep != NULL; ep = ep->q.tqe_next)
-		(void)unlink(ep->s);
-	return (rval);
-}
-
-/*
- * usage --
- *	print usage message and die
- */
-static void
-usage()
-{
-	(void)fprintf(stderr,
-    "usage: man [-achw] [-C file] [-M path] [-m path] [section] title ...\n");
-	exit(1);
-}