Trivial changes: whitespace and modes.

Remote whitespace at the ends of lines.
Remove blank lines from the ends of files.
Change modes on source files so that they
are not executable.

Signed-off-by: Dan Cross <cross@gajendra.net>

src/libip/BSD.c

@@ -22,7 +22,7 @@ static void
 sockaddr2ip(uchar *ip, struct sockaddr *sa)
 {
 	struct sockaddr_in *sin;
-	
+
 	sin = (struct sockaddr_in*)sa;
 	memmove(ip, v4prefix, IPaddrlen);
 	memmove(ip+IPv4off, &sin->sin_addr, 4);
@@ -59,7 +59,7 @@ readipifc(char *net, Ipifc *ifc, int index)
 	mib[3] = 0;
 	mib[4] = NET_RT_IFLIST;
 	mib[5] = 0;
-	
+
 	n = 0;
 	if(sysctl(mib, 6, nil, &n, nil, 0) < 0)
 		return nil;
@@ -115,7 +115,7 @@ readipifc(char *net, Ipifc *ifc, int index)
 						continue;
 					*lastlifc = lifc;
 					lastlifc = &lifc->next;
-				}	
+				}
 				sockaddr2ip(ip, sa);
 				switch(i){
 				case RTAX_IFA:

src/libip/Linux.c

@@ -16,7 +16,7 @@
  * Thanks to Erik Quanstrom.
  */
 static int
-netlinkrequest(int fd, int type, int (*fn)(struct nlmsghdr *h, Ipifc**, int), 
+netlinkrequest(int fd, int type, int (*fn)(struct nlmsghdr *h, Ipifc**, int),
 	Ipifc **ifc, int index)
 {
 	char buf[1024];
@@ -64,7 +64,7 @@ devsocket(void)
 	/* we couldn't care less which one; just want to talk to the kernel! */
 	static int dumb[3] = { AF_INET, AF_PACKET, AF_INET6 };
 	int i, fd;
-	
+
 	for(i=0; i<nelem(dumb); i++)
 		if((fd = socket(dumb[i], SOCK_DGRAM, 0)) >= 0)
 			return fd;
@@ -76,7 +76,7 @@ parsertattr(struct rtattr **dst, int ndst, struct nlmsghdr *h, int type, int ski
 {
 	struct rtattr *src;
 	int len;
-	
+
 	len = h->nlmsg_len - NLMSG_LENGTH(skip);
 	if(len < 0 || h->nlmsg_type != type){
 		werrstr("attrs too short");
@@ -95,7 +95,7 @@ static void
 rta2ip(int af, uchar *ip, struct rtattr *rta)
 {
 	memset(ip, 0, IPaddrlen);
-	
+
 	switch(af){
 	case AF_INET:
 		memmove(ip, v4prefix, IPv4off);
@@ -115,7 +115,7 @@ getlink(struct nlmsghdr *h, Ipifc **ipifclist, int index)
 	struct rtattr *attr[IFLA_MAX+1];
 	struct ifinfomsg *ifi;
 	Ipifc *ifc;
-	
+
 	ifi = (struct ifinfomsg*)NLMSG_DATA(h);
 	if(index >= 0 && ifi->ifi_index != index)
 		return 0;
@@ -172,7 +172,7 @@ getlink(struct nlmsghdr *h, Ipifc **ipifclist, int index)
 		if(ioctl(fd, SIOCGIFHWADDR, &ifr) >= 0
 		&& ifr.ifr_hwaddr.sa_family == ARPHRD_ETHER)
 			memmove(ifc->ether, ifr.ifr_hwaddr.sa_data, 6);
-		
+
 		close(fd);
 	}
 	return 0;
@@ -186,7 +186,7 @@ getaddr(struct nlmsghdr *h, Ipifc **ipifclist, int index)
 	Iplifc *lifc, **l;
 	struct ifaddrmsg *ifa;
 	struct rtattr *attr[IFA_MAX+1];
-	
+
 	USED(index);
 
 	ifa = (struct ifaddrmsg*)NLMSG_DATA(h);
@@ -197,7 +197,7 @@ getaddr(struct nlmsghdr *h, Ipifc **ipifclist, int index)
 		return 0;
 	if(parsertattr(attr, nelem(attr), h, RTM_NEWADDR, sizeof(struct ifaddrmsg)) < 0)
 		return -1;
-	
+
 	lifc = mallocz(sizeof *lifc, 1);
 	if(lifc == nil)
 		return -1;
@@ -211,13 +211,13 @@ getaddr(struct nlmsghdr *h, Ipifc **ipifclist, int index)
 		return 0;
 
 	rta2ip(ifa->ifa_family, lifc->ip, attr[IFA_ADDRESS]);
-	
+
 	mask = ifa->ifa_prefixlen/8;
 	if(ifa->ifa_family == AF_INET)
 		mask += IPv4off;
 	memset(lifc->mask, 0xFF, mask);
 	memmove(lifc->net, lifc->ip, mask);
-	
+
 	if(attr[IFA_CACHEINFO]){
 		struct ifa_cacheinfo *ci;
 
@@ -236,7 +236,7 @@ readipifc(char *net, Ipifc *ifc, int index)
 	USED(net);
 	freeipifc(ifc);
 	ifc = nil;
-	
+
 	fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
 	if(fd < 0)
 		return nil;
@@ -250,4 +250,3 @@ readipifc(char *net, Ipifc *ifc, int index)
 	close(fd);
 	return ifc;
 }
-

src/libip/freeipifc.c

@@ -17,4 +17,3 @@ freeipifc(Ipifc *i)
 		free(i);
 	}
 }
-

src/libip/myetheraddr.c

@@ -8,7 +8,7 @@ int
 myetheraddr(uchar *to, char *dev)
 {
 	Ipifc *ifclist, *ifc;
-	
+
 	ifclist = readipifc(nil, nil, -1);
 	for(ifc=ifclist; ifc; ifc=ifc->next){
 		if(dev && strcmp(ifc->dev, dev) != 0)
@@ -23,4 +23,3 @@ myetheraddr(uchar *to, char *dev)
 	werrstr("no ethernet devices");
 	return -1;
 }
-

src/libip/myipaddr.c

@@ -42,4 +42,3 @@ myipaddr(uchar *ip, char *net)
 	freeipifc(ifc);
 	return -1;
 }
-

src/libip/none.c

@@ -8,7 +8,7 @@ readipifc(char *net, Ipifc *ipifc, int index)
 	USED(net);
 	USED(ipifc);
 	USED(index);
-	
+
 	werrstr("not implemented");
 	return nil;
 }

src/libip/parseip.c

@@ -129,7 +129,7 @@ v4parsecidr(uchar *addr, uchar *mask, char *from)
 			*a++ = 0xff;
 		if(i > 0)
 			*a = ~((1<<(8-i))-1);
-	} else 
+	} else
 		memcpy(mask, defmask(addr), IPv4addrlen);
 	return p;
 }

src/libip/udp.c

@@ -50,4 +50,3 @@ udpwrite(int fd, Udphdr *hdr, void *buf, long n)
 	memmove(&sin.sin_port, hdr->rport, 2);
 	return sendto(fd, buf, n, 0, (struct sockaddr*)&sin, sizeof sin);
 }
-