- Remove #ifdef HAVE_POLL_H.

- Use nitems().

MFC after:	3 days

3 files changed, 6 insertions, 60 deletions

diff --git a/usr.sbin/rtsold/Makefile b/usr.sbin/rtsold/Makefile
index a235dfb..caef62c 100644
--- a/usr.sbin/rtsold/Makefile
+++ b/usr.sbin/rtsold/Makefile
@@ -20,6 +20,6 @@ MLINKS=	rtsold.8 rtsol.8
 SRCS=	rtsold.c rtsol.c if.c probe.c dump.c rtsock.c
 
 WARNS?=	3
-CFLAGS+= -DHAVE_ARC4RANDOM -DHAVE_POLL_H
+CFLAGS+= -DHAVE_ARC4RANDOM
 
 .include <bsd.prog.mk>
diff --git a/usr.sbin/rtsold/if.c b/usr.sbin/rtsold/if.c
index b8a90b6..cb4b001 100644
--- a/usr.sbin/rtsold/if.c
+++ b/usr.sbin/rtsold/if.c
@@ -280,18 +280,18 @@ lladdropt_fill(struct sockaddr_dl *sdl, struct nd_opt_hdr *ndopt)
 struct sockaddr_dl *
 if_nametosdl(char *name)
 {
-	int mib[6] = {CTL_NET, AF_ROUTE, 0, 0, NET_RT_IFLIST, 0};
+	int mib[] = {CTL_NET, AF_ROUTE, 0, 0, NET_RT_IFLIST, 0};
 	char *buf, *next, *lim;
 	size_t len;
 	struct if_msghdr *ifm;
 	struct sockaddr *sa, *rti_info[RTAX_MAX];
 	struct sockaddr_dl *sdl = NULL, *ret_sdl;
 
-	if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
+	if (sysctl(mib, nitems(mib), NULL, &len, NULL, 0) < 0)
 		return(NULL);
 	if ((buf = malloc(len)) == NULL)
 		return(NULL);
-	if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
+	if (sysctl(mib, nitems(mib), buf, &len, NULL, 0) < 0) {
 		free(buf);
 		return (NULL);
 	}
@@ -341,7 +341,7 @@ getinet6sysctl(int code)
 
 	mib[3] = code;
 	size = sizeof(value);
-	if (sysctl(mib, sizeof(mib)/sizeof(mib[0]), &value, &size, NULL, 0) < 0)
+	if (sysctl(mib, nitems(mib), &value, &size, NULL, 0) < 0)
 		return (-1);
 	else
 		return (value);
@@ -356,7 +356,7 @@ setinet6sysctl(int code, int newval)
 
 	mib[3] = code;
 	size = sizeof(value);
-	if (sysctl(mib, sizeof(mib)/sizeof(mib[0]), &value, &size,
+	if (sysctl(mib, nitems(mib), &value, &size,
 	    &newval, sizeof(newval)) < 0)
 		return (-1);
 	else
diff --git a/usr.sbin/rtsold/rtsold.c b/usr.sbin/rtsold/rtsold.c
index bba15bb..18621bd 100644
--- a/usr.sbin/rtsold/rtsold.c
+++ b/usr.sbin/rtsold/rtsold.c
@@ -57,9 +57,7 @@
 #include <err.h>
 #include <stdarg.h>
 #include <ifaddrs.h>
-#ifdef HAVE_POLL_H
 #include <poll.h>
-#endif
 
 #include "rtsold.h"
 
@@ -116,13 +114,7 @@ main(int argc, char **argv)
 	int s, ch, once = 0;
 	struct timespec *timeout;
 	const char *opts;
-#ifdef HAVE_POLL_H
 	struct pollfd set[2];
-#else
-	fd_set *fdsetp, *selectfdp;
-	int fdmasks;
-	int maxfd;
-#endif
 	int rtsock;
 	char *argv0;
 
@@ -254,40 +246,16 @@ main(int argc, char **argv)
 		warnmsg(LOG_ERR, __func__, "failed to open a socket");
 		exit(1);
 	}
-#ifdef HAVE_POLL_H
 	set[0].fd = s;
 	set[0].events = POLLIN;
-#else
-	maxfd = s;
-#endif
-
-#ifdef HAVE_POLL_H
 	set[1].fd = -1;
-#endif
 
 	if ((rtsock = rtsock_open()) < 0) {
 		warnmsg(LOG_ERR, __func__, "failed to open a socket");
 		exit(1);
 	}
-#ifdef HAVE_POLL_H
 	set[1].fd = rtsock;
 	set[1].events = POLLIN;
-#else
-	if (rtsock > maxfd)
-		maxfd = rtsock;
-#endif
-
-#ifndef HAVE_POLL_H
-	fdmasks = howmany(maxfd + 1, NFDBITS) * sizeof(fd_mask);
-	if ((fdsetp = malloc(fdmasks)) == NULL) {
-		warnmsg(LOG_ERR, __func__, "malloc");
-		exit(1);
-	}
-	if ((selectfdp = malloc(fdmasks)) == NULL) {
-		warnmsg(LOG_ERR, __func__, "malloc");
-		exit(1);
-	}
-#endif
 
 	/* configuration per interface */
 	if (ifinit()) {
@@ -328,18 +296,8 @@ main(int argc, char **argv)
 			fclose(fp);
 		}
 	}
-#ifndef HAVE_POLL_H
-	memset(fdsetp, 0, fdmasks);
-	FD_SET(s, fdsetp);
-	FD_SET(rtsock, fdsetp);
-#endif
 	while (1) {		/* main loop */
 		int e;
-
-#ifndef HAVE_POLL_H
-		memcpy(selectfdp, fdsetp, fdmasks);
-#endif
-
 #ifndef SMALL
 		if (do_dump) {	/* SIGUSR1 */
 			do_dump = 0;
@@ -364,11 +322,7 @@ main(int argc, char **argv)
 			if (ifi == NULL)
 				break;
 		}
-#ifdef HAVE_POLL_H
 		e = poll(set, 2, timeout ? (timeout->tv_sec * 1000 + timeout->tv_nsec / 1000 / 1000) : INFTIM);
-#else
-		e = select(maxfd + 1, selectfdp, NULL, NULL, timeout);
-#endif
 		if (e < 1) {
 			if (e < 0 && errno != EINTR) {
 				warnmsg(LOG_ERR, __func__, "select: %s",
@@ -378,17 +332,9 @@ main(int argc, char **argv)
 		}
 
 		/* packet reception */
-#ifdef HAVE_POLL_H
 		if (set[1].revents & POLLIN)
-#else
-		if (FD_ISSET(rtsock, selectfdp))
-#endif
 			rtsock_input(rtsock);
-#ifdef HAVE_POLL_H
 		if (set[0].revents & POLLIN)
-#else
-		if (FD_ISSET(s, selectfdp))
-#endif
 			rtsol_input(s);
 	}
 	/* NOTREACHED */