main/iptraf: fix for vlan traffic

from http://linux.mantech.ro/IPTraf-fix.html

main/iptraf/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Leonardo Arena <rnalrd@gmail.com>
 pkgname=iptraf
 pkgver=3.0.0
-pkgrel=0
+pkgrel=1
 pkgdesc="IP Network Monitoring Software"
 url="http://iptraf.seoul.org"
 license="GPL"
@@ -10,10 +10,12 @@ depends=
 makedepends="ncurses-dev"
 install=
 subpackages="$pkgname-doc"
-source="ftp://iptraf.seul.org/pub/$pkgname/$pkgname-$pkgver.tar.gz"
+source="ftp://iptraf.seul.org/pub/$pkgname/$pkgname-$pkgver.tar.gz
+	iptraf-3.0.0-vlan.patch"
 
 build() {
 	cd "$srcdir/$pkgname-$pkgver/src"
+	patch -p1 -i "$srcdir"/iptraf-3.0.0-vlan.patch || return 1
 
 	sed -i -e s:/var/local/iptraf:/var/lib/iptraf: \
 		-e s:/usr/local/bin:/usr/sbin: dirs.h
@@ -34,4 +36,5 @@ build() {
 	done
 }
 
-md5sums="377371c28ee3c21a76f7024920649ea8  iptraf-3.0.0.tar.gz"
+md5sums="377371c28ee3c21a76f7024920649ea8  iptraf-3.0.0.tar.gz
+4136483b9e41c8789c629c42f9a67d07  iptraf-3.0.0-vlan.patch"

main/iptraf/iptraf-3.0.0-vlan.patch

+--- src/packet.c.orig	2008-03-07 17:56:48.000000000 +0200
++++ src/packet.c	2008-03-07 18:05:41.000000000 +0200
+@@ -101,8 +101,8 @@
+             result = LINK_ETHERNET;
+         else if (strncmp(ifname, "tun", 3) == 0)
+             result = LINK_ETHERNET;
+-        else if (strncmp(ifname, "vlan", 3) == 0)
+-            result = LINK_VLAN;
++        else if (strncmp(ifname, "vlan", 4) == 0)
++            result = LINK_ETHERNET;
+         else if (strncmp(ifname, "brg", 3) == 0)
+             result = LINK_ETHERNET;
+         else if (strncmp(ifname, "tap", 3) == 0)
+@@ -231,14 +231,6 @@
+     case LINK_IPIP:
+         *packet = tpacket;
+         break;
+-    case LINK_VLAN:
+-        *packet = tpacket + VLAN_ETH_HLEN;
+-        readlen -= VLAN_ETH_HLEN;
+-        /*
+-         * Move IP datagram into an aligned buffer.
+-         */
+-        memmove(aligned_buf, *packet, min(SNAPSHOT_LEN, *readlen));
+-        *packet = aligned_buf;
+     default:
+         *packet = (char *) NULL;        /* return a NULL packet to signal */
+         break;                  /* an unrecognized link protocol */