diff --git a/src/dhcpd-pools.c b/src/dhcpd-pools.c
index 89070e2..21256fd 100644
--- a/src/dhcpd-pools.c
+++ b/src/dhcpd-pools.c
@@ -113,7 +113,7 @@ int main(int argc, char **argv)
 	config.output_limit[0] = (*tmp - '0');
 	tmp++;
 	config.output_limit[1] = (*tmp - '0');
-	fullhtml = false;
+	config.fullhtml = false;
 
 	/* Make sure some output format is selected by default */
 	strncpy(config.output_format, OUTPUT_FORMAT, (size_t)1);
@@ -215,7 +215,7 @@ int main(int argc, char **argv)
 		break;
 	case 'H':
 		output_analysis = output_html;
-		fullhtml = true;
+		config.fullhtml = true;
 		break;
 	case 'x':
 		output_analysis = output_xml;
@@ -270,7 +270,7 @@ int prepare_memory(void)
 			prefix_length[i][j] = strlen(prefixes[i][j]);
 		}
 	}
-	dhcp_version = VERSION_UNKNOWN;
+	config.dhcp_version = VERSION_UNKNOWN;
 	RANGES = 64;
 	num_ranges = num_shared_networks = 0;
 	shared_networks =
diff --git a/src/dhcpd-pools.h b/src/dhcpd-pools.h
index 9ebf9b6..aadf988 100644
--- a/src/dhcpd-pools.h
+++ b/src/dhcpd-pools.h
@@ -95,11 +95,13 @@ enum prefix_t {
  */
 struct configuration_t {
 	char dhcpv6;
+	enum dhcp_version dhcp_version;
 	char *dhcpdconf_file;
 	char *dhcpdlease_file;
 	char output_format[2];
+	bool fullhtml;
 	char sort[6];
-	int reverse_order;
+	bool reverse_order;
 	char *output_file;
 	int output_limit[2];
 	bool backups_found;
@@ -150,9 +152,6 @@ struct leases_t {
 int prefix_length[2][NUM_OF_PREFIX];
 /* \var config Runtime configuration. */
 struct configuration_t config;
-/* \var dhcp_version Version of IP in use.
- * FIXME: move to runtime configuration. */
-enum dhcp_version dhcp_version;
 /* \var output_limit_bit_1 Bit mask what is printed.
  * FIXME: These should probably be enum with hex assignments. */
 static int const output_limit_bit_1 = 1;
@@ -160,9 +159,6 @@ static int const output_limit_bit_1 = 1;
 static int const output_limit_bit_2 = 2;
 /* \var output_limit_bit_3 see output_limit_bit_1 */
 static int const output_limit_bit_3 = 4;
-/* \var fullhtml Setting if full html is been requested by user.
- * FIXME: move to config. */
-unsigned int fullhtml;
 /* \var shared_networks Pointer holding shared network count results. */
 struct shared_network_t *shared_networks;
 /* \var num_shared_networks Number of shared networks found. */
diff --git a/src/getdata.c b/src/getdata.c
index 4df4945..4c86311 100644
--- a/src/getdata.c
+++ b/src/getdata.c
@@ -103,8 +103,8 @@ int parse_leases(void)
 		ethernets = true;
 	}
 
-	const char **p = prefixes[dhcp_version];
-	int *l = prefix_length[dhcp_version];
+	const char **p = prefixes[config.dhcp_version];
+	int *l = prefix_length[config.dhcp_version];
 
 /*! \def HAS_PREFIX(line, type)
  * \brief A macro to match IPv4 and IPv6 lease lines.
diff --git a/src/hash.c b/src/hash.c
index f8c46e1..d56d082 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -53,7 +53,7 @@ void add_lease(union ipaddr_t *addr, enum ltype type)
 	l = xmalloc(sizeof(struct leases_t));
 	copy_ipaddr(&l->ip, addr);
 	l->type = type;
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		HASH_ADD_V6(leases, ip.v6, l);
 	} else {
 		HASH_ADD_INT(leases, ip.v4, l);
@@ -69,7 +69,7 @@ struct leases_t *find_lease(union ipaddr_t *addr)
 {
 	struct leases_t *l;
 
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		HASH_FIND_V6(leases, &addr->v6, l);
 	} else {
 		HASH_FIND_INT(leases, &addr->v4, l);
diff --git a/src/other.c b/src/other.c
index 5bb032a..70b29e2 100644
--- a/src/other.c
+++ b/src/other.c
@@ -59,18 +59,18 @@
 int parse_ipaddr(const char *restrict src, union ipaddr_t *restrict dst)
 {
 	int rv;
-	if (dhcp_version == VERSION_UNKNOWN) {
+	if (config.dhcp_version == VERSION_UNKNOWN) {
 		struct in_addr addr;
 		struct in6_addr addr6;
 		if (inet_aton(src, &addr) == 1) {
-			dhcp_version = VERSION_4;
+			config.dhcp_version = VERSION_4;
 		} else if (inet_pton(AF_INET6, src, &addr6) == 1) {
-			dhcp_version = VERSION_6;
+			config.dhcp_version = VERSION_6;
 		} else {
 			return 0;
 		}
 	}
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		struct in6_addr addr;
 		rv = inet_pton(AF_INET6, src, &addr);
 		memcpy(&dst->v6, addr.s6_addr, sizeof(addr.s6_addr));
@@ -89,7 +89,7 @@ int parse_ipaddr(const char *restrict src, union ipaddr_t *restrict dst)
 void copy_ipaddr(union ipaddr_t *restrict dst,
 		 const union ipaddr_t *restrict src)
 {
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		memcpy(&dst->v6, &src->v6, sizeof(src->v6));
 	} else {
 		dst->v4 = src->v4;
@@ -108,7 +108,7 @@ const char *ntop_ipaddr(const union ipaddr_t *ip)
 {
 	static char
 	    buffer[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		struct in6_addr addr;
 		memcpy(addr.s6_addr, ip->v6, sizeof(addr.s6_addr));
 		return inet_ntop(AF_INET6, &addr, buffer, sizeof(buffer));
@@ -127,7 +127,7 @@ const char *ntop_ipaddr(const union ipaddr_t *ip)
  */
 unsigned long get_range_size(const struct range_t *r)
 {
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		unsigned long size = 0;
 		int i;
 		/* When calculating the size of an IPv6 range overflow may
diff --git a/src/output.c b/src/output.c
index 36ba850..1dc9526 100644
--- a/src/output.c
+++ b/src/output.c
@@ -65,7 +65,7 @@ int output_txt(void)
 	struct shared_network_t *shared_p;
 	int ret;
 	FILE *outfile;
-	int max_ipaddr_length = dhcp_version == VERSION_6 ? 39 : 16;
+	int max_ipaddr_length = config.dhcp_version == VERSION_6 ? 39 : 16;
 
 	if (config.output_file[0]) {
 		outfile = fopen(config.output_file, "w+");
@@ -695,7 +695,7 @@ int output_html(void)
 	range_p = ranges;
 	range_size = get_range_size(range_p);
 	shared_p = shared_networks;
-	if (fullhtml) {
+	if (config.fullhtml) {
 		html_header(outfile);
 	}
 	table_start(outfile);
@@ -845,7 +845,7 @@ int output_html(void)
 		endrow(outfile);
 	}
 	table_end(outfile);
-	if (fullhtml) {
+	if (config.fullhtml) {
 		html_footer(outfile);
 	}
 	if (outfile == stdout) {
diff --git a/src/sort.c b/src/sort.c
index cd0ed81..480fec5 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -54,7 +54,7 @@
  */
 int ipcomp(const union ipaddr_t *restrict a, const union ipaddr_t *restrict b)
 {
-	if (dhcp_version == VERSION_6) {
+	if (config.dhcp_version == VERSION_6) {
 		return memcmp(&a->v6, &b->v6, sizeof(a->v6));
 	} else {
 		if (a->v4 < b->v4)