- Remove (void) casts
- Bump to WARNS?= 6

Index: src/usr.sbin/mtree/create.c
===================================================================
--- src/usr.sbin/mtree/create.c	(revision 98)
+++ src/usr.sbin/mtree/create.c	(revision 99)
@@ -85,12 +85,12 @@
 	int indent = 0;
 
 	if (!nflag) {
-		(void)time(&cl);
-		(void)gethostname(host, sizeof(host));
-		(void)printf(
+		time(&cl);
+		gethostname(host, sizeof(host));
+		printf(
 		    "#\t   user: %s\n#\tmachine: %s\n",
 		    getlogin(), host);
-		(void)printf(
+		printf(
 		    "#\t   tree: %s\n#\t   date: %s",
 		    fullpath, ctime(&cl));
 	}
@@ -109,18 +109,18 @@
 		switch(p->fts_info) {
 		case FTS_D:
 			if (!dflag)
-				(void)printf("\n");
+				printf("\n");
 			if (!nflag)
-				(void)printf("# %s\n", p->fts_path);
+				printf("# %s\n", p->fts_path);
 			statd(t, p, &uid, &gid, &mode, &flags);
 			statf(indent, p);
 			break;
 		case FTS_DP:
 			if (!nflag && (p->fts_level > 0))
-				(void)printf("%*s# %s\n", indent, "", p->fts_path);
-			(void)printf("%*s..\n", indent, "");
+				printf("%*s# %s\n", indent, "", p->fts_path);
+			printf("%*s..\n", indent, "");
 			if (!dflag)
-				(void)printf("\n");
+				printf("\n");
 			break;
 		case FTS_DNR:
 		case FTS_ERR:
@@ -134,7 +134,7 @@
 
 		}
 	}
-	(void)fts_close(t);
+	fts_close(t);
 	if (sflag && keys & F_CKSUM)
 		warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
 }
@@ -216,7 +216,7 @@
 		if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 ||
 		    crc(fd, &val, &len))
 			err(1, "%s", p->fts_accpath);
-		(void)close(fd);
+		close(fd);
 		output(indent, &offset, "cksum=%lu", (unsigned long)val);
 	}
 #ifdef MD5
@@ -257,7 +257,7 @@
 		output(indent, &offset, "flags=%s", fflags);
 		free(fflags);
 	}
-	(void)putchar('\n');
+	putchar('\n');
 }
 
 #define	MAXGID	5000
@@ -342,41 +342,41 @@
 	    (first)) {
 		first = 0;
 		if (dflag)
-			(void)printf("/set type=dir");
+			printf("/set type=dir");
 		else
-			(void)printf("/set type=file");
+			printf("/set type=file");
 		if (keys & F_UNAME) {
 			pw = getpwuid(saveuid);
 			if (pw != NULL)
-				(void)printf(" uname=%s", pw->pw_name);
+				printf(" uname=%s", pw->pw_name);
 			else if (wflag)
 				warnx( "Could not get uname for uid=%u", saveuid);
 			else
 				errx(1, "Could not get uname for uid=%u", saveuid);
 		}
 		if (keys & F_UID)
-			(void)printf(" uid=%lu", (u_long)saveuid);
+			printf(" uid=%lu", (u_long)saveuid);
 		if (keys & F_GNAME) {
 			gr = getgrgid(savegid);
 			if (gr != NULL)
-				(void)printf(" gname=%s", gr->gr_name);
+				printf(" gname=%s", gr->gr_name);
 			else if (wflag)
 				warnx("Could not get gname for gid=%u", savegid);
 			else
 				errx(1, "Could not get gname for gid=%u", savegid);
 		}
 		if (keys & F_GID)
-			(void)printf(" gid=%lu", (u_long)savegid);
+			printf(" gid=%lu", (u_long)savegid);
 		if (keys & F_MODE)
-			(void)printf(" mode=%#o", savemode);
+			printf(" mode=%#o", savemode);
 		if (keys & F_NLINK)
-			(void)printf(" nlink=1");
+			printf(" nlink=1");
 		if (keys & F_FLAGS) {
 			fflags = flags_to_string(saveflags);
-			(void)printf(" flags=%s", fflags);
+			printf(" flags=%s", fflags);
 			free(fflags);
 		}
-		(void)printf("\n");
+		printf("\n");
 		*puid = saveuid;
 		*pgid = savegid;
 		*pmode = savemode;
@@ -404,11 +404,11 @@
 	va_list ap;
 	char buf[1024];
 	va_start(ap, fmt);
-	(void)vsnprintf(buf, sizeof(buf), fmt, ap);
+	vsnprintf(buf, sizeof(buf), fmt, ap);
 	va_end(ap);
 
 	if (*offset + strlen(buf) > MAXLINELEN - 3) {
-		(void)printf(" \\\n%*s", INDENTNAMELEN + indent, "");
+		printf(" \\\n%*s", INDENTNAMELEN + indent, "");
 		*offset = INDENTNAMELEN + indent;
 	}
 	*offset += printf(" %s", buf) + 1;
Index: src/usr.sbin/mtree/verify.c
===================================================================
--- src/usr.sbin/mtree/verify.c	(revision 98)
+++ src/usr.sbin/mtree/verify.c	(revision 99)
@@ -117,7 +117,7 @@
 				    compare(ep->name, ep, p))
 					rval = MISMATCHEXIT;
 				if (ep->flags & F_IGN)
-					(void)fts_set(t, p, FTS_SKIP);
+					fts_set(t, p, FTS_SKIP);
 				else if (ep->child && ep->type == F_DIR &&
 				    p->fts_info == FTS_D) {
 					level = ep->child;
@@ -130,20 +130,20 @@
 			continue;
 extra:
 		if (!eflag) {
-			(void)printf("%s extra", RP(p));
+			printf("%s extra", RP(p));
 			if (rflag) {
 				if ((S_ISDIR(p->fts_statp->st_mode)
 				    ? rmdir : unlink)(p->fts_accpath)) {
-					(void)printf(", not removed: %s",
+					printf(", not removed: %s",
 					    strerror(errno));
 				} else
-					(void)printf(", removed");
+					printf(", removed");
 			}
-			(void)putchar('\n');
+			putchar('\n');
 		}
-		(void)fts_set(t, p, FTS_SKIP);
+		fts_set(t, p, FTS_SKIP);
 	}
-	(void)fts_close(t);
+	fts_close(t);
 	if (sflag)
 		warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
 	return (rval);
@@ -159,7 +159,7 @@
 	for (; p; p = p->next) {
 		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
 			continue;
-		(void)strcpy(tail, p->name);
+		strcpy(tail, p->name);
 		if (!(p->flags & F_VISIT)) {
 			/* Don't print missing message if file exists as a
 			   symbolic link and the -q flag is set. */
@@ -168,7 +168,7 @@
 			if (qflag && stat(path, &statbuf) == 0)
 				p->flags |= F_VISIT;
 			else
-				(void)printf("%s missing", path);
+				printf("%s missing", path);
 		}
 		if (p->type != F_DIR && p->type != F_LINK) {
 			putchar('\n');
@@ -182,31 +182,31 @@
 			type = "directory";
 		if (!(p->flags & F_VISIT) && uflag) {
 			if (!(p->flags & (F_UID | F_UNAME)))
-				(void)printf(" (%s not created: user not specified)", type);
+				printf(" (%s not created: user not specified)", type);
 			else if (!(p->flags & (F_GID | F_GNAME)))
-				(void)printf(" (%s not created: group not specified)", type);
+				printf(" (%s not created: group not specified)", type);
 			else if (p->type == F_LINK) {
 				if (symlink(p->slink, path))
-					(void)printf(" (symlink not created: %s)\n",
+					printf(" (symlink not created: %s)\n",
 					    strerror(errno));
 				else
-					(void)printf(" (created)\n");
+					printf(" (created)\n");
 				if (lchown(path, p->st_uid, p->st_gid))
-					(void)printf("%s: user/group not modified: %s\n",
+					printf("%s: user/group not modified: %s\n",
 					    path, strerror(errno));
 				continue;
 			} else if (!(p->flags & F_MODE))
-			    (void)printf(" (directory not created: mode not specified)");
+			    printf(" (directory not created: mode not specified)");
 			else if (mkdir(path, S_IRWXU))
-				(void)printf(" (directory not created: %s)",
+				printf(" (directory not created: %s)",
 				    strerror(errno));
 			else {
 				create = 1;
-				(void)printf(" (created)");
+				printf(" (created)");
 			}
 		}
 		if (!(p->flags & F_VISIT))
-			(void)putchar('\n');
+			putchar('\n');
 
 		for (tp = tail; *tp; ++tp);
 		*tp = '/';
@@ -216,18 +216,18 @@
 		if (!create)
 			continue;
 		if (chown(path, p->st_uid, p->st_gid)) {
-			(void)printf("%s: user/group/mode not modified: %s\n",
+			printf("%s: user/group/mode not modified: %s\n",
 			    path, strerror(errno));
-			(void)printf("%s: warning: file mode %snot set\n", path,
+			printf("%s: warning: file mode %snot set\n", path,
 			    (p->flags & F_FLAGS) ? "and file flags " : "");
 			continue;
 		}
 		if (chmod(path, p->st_mode))
-			(void)printf("%s: permissions not set: %s\n",
+			printf("%s: permissions not set: %s\n",
 			    path, strerror(errno));
 		if ((p->flags & F_FLAGS) && p->st_flags &&
 		    chflags(path, p->st_flags))
-			(void)printf("%s: file flags not set: %s\n",
+			printf("%s: file flags not set: %s\n",
 			    path, strerror(errno));
 	}
 }
Index: src/usr.sbin/mtree/compare.c
===================================================================
--- src/usr.sbin/mtree/compare.c	(revision 98)
+++ src/usr.sbin/mtree/compare.c	(revision 99)
@@ -108,7 +108,7 @@
 	case F_SOCK:
 		if (!S_ISSOCK(p->fts_statp->st_mode)) {
 typeerr:		LABEL;
-			(void)printf("\ttype expected %s found %s\n",
+			printf("\ttype expected %s found %s\n",
 			    ftype(s->type), inotype(p->fts_statp->st_mode));
 			return (label);
 		}
@@ -117,59 +117,59 @@
 	/* Set the uid/gid first, then set the mode. */
 	if (s->flags & (F_UID | F_UNAME) && s->st_uid != p->fts_statp->st_uid) {
 		LABEL;
-		(void)printf("%suser expected %lu found %lu",
+		printf("%suser expected %lu found %lu",
 		    tab, (u_long)s->st_uid, (u_long)p->fts_statp->st_uid);
 		if (uflag)
 			if (chown(p->fts_accpath, s->st_uid, -1))
-				(void)printf(" not modified: %s\n",
+				printf(" not modified: %s\n",
 				    strerror(errno));
 			else
-				(void)printf(" modified\n");
+				printf(" modified\n");
 		else
-			(void)printf("\n");
+			printf("\n");
 		tab = "\t";
 	}
 	if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) {
 		LABEL;
-		(void)printf("%sgid expected %lu found %lu",
+		printf("%sgid expected %lu found %lu",
 		    tab, (u_long)s->st_gid, (u_long)p->fts_statp->st_gid);
 		if (uflag)
 			if (chown(p->fts_accpath, -1, s->st_gid))
-				(void)printf(" not modified: %s\n",
+				printf(" not modified: %s\n",
 				    strerror(errno));
 			else
-				(void)printf(" modified\n");
+				printf(" modified\n");
 		else
-			(void)printf("\n");
+			printf("\n");
 		tab = "\t";
 	}
 	if (s->flags & F_MODE &&
 	    !S_ISLNK(p->fts_statp->st_mode) &&
 	    s->st_mode != (p->fts_statp->st_mode & MBITS)) {
 		LABEL;
-		(void)printf("%spermissions expected %#o found %#o",
+		printf("%spermissions expected %#o found %#o",
 		    tab, s->st_mode, p->fts_statp->st_mode & MBITS);
 		if (uflag)
 			if (chmod(p->fts_accpath, s->st_mode))
-				(void)printf(" not modified: %s\n",
+				printf(" not modified: %s\n",
 				    strerror(errno));
 			else
-				(void)printf(" modified\n");
+				printf(" modified\n");
 		else
-			(void)printf("\n");
+			printf("\n");
 		tab = "\t";
 	}
 	if (s->flags & F_NLINK && s->type != F_DIR &&
 	    s->st_nlink != p->fts_statp->st_nlink) {
 		LABEL;
-		(void)printf("%slink_count expected %u found %u\n",
+		printf("%slink_count expected %u found %u\n",
 		    tab, s->st_nlink, p->fts_statp->st_nlink);
 		tab = "\t";
 	}
 	if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size &&
 		!S_ISDIR(p->fts_statp->st_mode)) {
 		LABEL;
-		(void)printf("%ssize expected %jd found %jd\n", tab,
+		printf("%ssize expected %jd found %jd\n", tab,
 		    (intmax_t)s->st_size, (intmax_t)p->fts_statp->st_size);
 		tab = "\t";
 	}
@@ -181,40 +181,40 @@
 	     ((s->st_mtimespec.tv_sec != p->fts_statp->st_mtimespec.tv_sec) ||
 	     (s->st_mtimespec.tv_nsec != p->fts_statp->st_mtimespec.tv_nsec))) {
 		LABEL;
-		(void)printf("%smodification time expected %.24s ",
+		printf("%smodification time expected %.24s ",
 		    tab, ctime(&s->st_mtimespec.tv_sec));
-		(void)printf("found %.24s",
+		printf("found %.24s",
 		    ctime(&p->fts_statp->st_mtimespec.tv_sec));
 		if (uflag) {
 			tv[0].tv_sec = s->st_mtimespec.tv_sec;
 			tv[0].tv_usec = s->st_mtimespec.tv_nsec / 1000;
 			tv[1] = tv[0];
 			if (utimes(p->fts_accpath, tv))
-				(void)printf(" not modified: %s\n",
+				printf(" not modified: %s\n",
 				    strerror(errno));
 			else
-				(void)printf(" modified\n");
+				printf(" modified\n");
 		} else
-			(void)printf("\n");
+			printf("\n");
 		tab = "\t";
 	}
 	if (s->flags & F_CKSUM) {
 		if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0) {
 			LABEL;
-			(void)printf("%scksum: %s: %s\n",
+			printf("%scksum: %s: %s\n",
 			    tab, p->fts_accpath, strerror(errno));
 			tab = "\t";
 		} else if (crc(fd, &val, &len)) {
-			(void)close(fd);
+			close(fd);
 			LABEL;
-			(void)printf("%scksum: %s: %s\n",
+			printf("%scksum: %s: %s\n",
 			    tab, p->fts_accpath, strerror(errno));
 			tab = "\t";
 		} else {
-			(void)close(fd);
+			close(fd);
 			if (s->cksum != val) {
 				LABEL;
-				(void)printf("%scksum expected %lu found %lu\n",
+				printf("%scksum expected %lu found %lu\n",
 				    tab, s->cksum, (unsigned long)val);
 				tab = "\t";
 			}
@@ -223,21 +223,21 @@
 	if ((s->flags & F_FLAGS) && s->st_flags != p->fts_statp->st_flags) {
 		LABEL;
 		fflags = flags_to_string(s->st_flags);
-		(void)printf("%sflags expected \"%s\"", tab, fflags);
+		printf("%sflags expected \"%s\"", tab, fflags);
 		free(fflags);
 
 		fflags = flags_to_string(p->fts_statp->st_flags);
-		(void)printf(" found \"%s\"", fflags);
+		printf(" found \"%s\"", fflags);
 		free(fflags);
 
 		if (uflag)
 			if (chflags(p->fts_accpath, s->st_flags))
-				(void)printf(" not modified: %s\n",
+				printf(" not modified: %s\n",
 				    strerror(errno));
 			else
-				(void)printf(" modified\n");
+				printf(" modified\n");
 		else
-			(void)printf("\n");
+			printf("\n");
 		tab = "\t";
 	}
 #ifdef MD5
@@ -298,7 +298,7 @@
 	if (s->flags & F_SLINK &&
 	    strcmp(cp = rlink(p->fts_accpath), s->slink)) {
 		LABEL;
-		(void)printf("%slink_ref expected %s found %s\n",
+		printf("%slink_ref expected %s found %s\n",
 		      tab, s->slink, cp);
 	}
 	return (label);
Index: src/usr.sbin/mtree/spec.c
===================================================================
--- src/usr.sbin/mtree/spec.c	(revision 98)
+++ src/usr.sbin/mtree/spec.c	(revision 99)
@@ -93,7 +93,7 @@
 			continue;
 
 #ifdef DEBUG
-		(void)fprintf(stderr, "line %d: {%s}\n", lineno, p);
+		fprintf(stderr, "line %d: {%s}\n", lineno, p);
 #endif
 		if (c_cur) {
 			set(p, centry);
Index: src/usr.sbin/mtree/Makefile
===================================================================
--- src/usr.sbin/mtree/Makefile	(revision 98)
+++ src/usr.sbin/mtree/Makefile	(revision 99)
@@ -8,7 +8,7 @@
 SRCS=	compare.c crc.c create.c excludes.c misc.c mtree.c spec.c verify.c
 SRCS+=	specspec.c
 
-WARNS?=	4
+WARNS?=	6
 
 CFLAGS+= -DMD5 -DSHA1 -DRMD160
 DPADD=	${LIBMD}
Index: src/usr.sbin/mtree/mtree.c
===================================================================
--- src/usr.sbin/mtree/mtree.c	(revision 98)
+++ src/usr.sbin/mtree/mtree.c	(revision 99)
@@ -183,7 +183,7 @@
 static void
 usage(void)
 {
-	(void)fprintf(stderr,
+	fprintf(stderr,
 "usage: mtree [-LPUcdeinqruxw] [-f spec] [-f spec] [-K key] [-k key] [-p path] [-s seed]\n"
 "\t[-X excludes]\n");
 	exit(1);