diff --git a/libknet/tests/api_knet_send.c b/libknet/tests/api_knet_send.c
index c3bddbe7..1fb6756c 100644
--- a/libknet/tests/api_knet_send.c
+++ b/libknet/tests/api_knet_send.c
@@ -1,315 +1,316 @@
 /*
  * Copyright (C) 2016 Red Hat, Inc.  All rights reserved.
  *
  * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
  *
  * This software licensed under GPL-2.0+, LGPL-2.0+
  */
 
 #include "config.h"
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <inttypes.h>
 
 #include "libknet.h"
 
 #include "internals.h"
 #include "netutils.h"
 #include "test-common.h"
 
 static int private_data;
 
 static void sock_notify(void *pvt_data,
 			int datafd,
 			int8_t channel,
 			uint8_t tx_rx,
 			int error,
 			int errorno)
 {
 	return;
 }
 
 static void test(void)
 {
 	knet_handle_t knet_h;
 	int logfds[2];
 	int datafd = 0;
 	int8_t channel = 0;
 	struct knet_link_status link_status;
 	char send_buff[KNET_MAX_PACKET_SIZE];
 	char recv_buff[KNET_MAX_PACKET_SIZE];
 	ssize_t send_len = 0;
 	int recv_len = 0;
 	int savederrno;
 	struct sockaddr_storage lo;
 
 	memset(&lo, 0, sizeof(struct sockaddr_storage));
 
 	if (knet_strtoaddr("127.0.0.1", "50000", &lo, sizeof(struct sockaddr_storage)) < 0) {
 		printf("Unable to convert loopback to sockaddr: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 
 	memset(send_buff, 0, sizeof(send_buff));
 
 	printf("Test knet_send incorrect knet_h\n");
 
 	if ((!knet_send(NULL, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid knet_h or returned incorrect error: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 
 	setup_logpipes(logfds);
 
 	knet_h = knet_handle_new(1, logfds[1], KNET_LOG_DEBUG);
 
 	if (!knet_h) {
 		printf("knet_handle_new failed: %s\n", strerror(errno));
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	printf("Test knet_send with no send_buff\n");
 
 	if ((!knet_send(knet_h, NULL, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid send_buff or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid send_buff len (0)\n");
 
 	if ((!knet_send(knet_h, send_buff, 0, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid send_buff len (0) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid send_buff len (> KNET_MAX_PACKET_SIZE)\n");
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE + 1, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid send_buff len (> KNET_MAX_PACKET_SIZE) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid channel (-1)\n");
 
 	channel = -1;
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid channel (-1) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid channel (KNET_DATAFD_MAX)\n");
 
 	channel = KNET_DATAFD_MAX;
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid channel (KNET_DATAFD_MAX) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with unconfigured channel\n");
 
 	channel = 0;
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid unconfigured channel or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with valid data\n");
 
 	if (knet_handle_enable_sock_notify(knet_h, &private_data, sock_notify) < 0) {
 		printf("knet_handle_enable_sock_notify failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
         }
 
 	datafd = 0;
 	channel = -1;
 
 	if (knet_handle_add_datafd(knet_h, &datafd, &channel) < 0) {
 		printf("knet_handle_add_datafd failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_host_add(knet_h, 1) < 0) {
 		printf("knet_host_add failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0) < 0) {
 		printf("Unable to configure link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_enable(knet_h, 1, 0, 1) < 0) {
 		printf("knet_link_set_enable failed: %s\n", strerror(errno));
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_handle_setfwd(knet_h, 1) < 0) {
 		printf("knet_handle_setfwd failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	while(knet_h->host_index[1]->status.reachable != 1) {
 		printf("waiting host to be reachable\n");
 		sleep(1);
 	}
 
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	sleep(1);
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	/* A sanity check on the stats */
 	if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(link_status)) < 0) {
 		printf("knet_link_get_status failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (link_status.stats.tx_data_packets != 2 ||
 	    link_status.stats.rx_data_packets != 2 ||
 	    link_status.stats.tx_data_bytes < KNET_MAX_PACKET_SIZE ||
 	    link_status.stats.rx_data_bytes < KNET_MAX_PACKET_SIZE ||
 	    link_status.stats.tx_data_bytes > KNET_MAX_PACKET_SIZE*2 ||
 	    link_status.stats.rx_data_bytes > KNET_MAX_PACKET_SIZE*2) {
-	    printf("stats look wrong: tx_packets: %llu (%llu bytes), rx_packets: %llu (%llu bytes)\n",
+	    printf("stats look wrong: tx_packets: %" PRIu64 " (%" PRIu64 " bytes), rx_packets: %" PRIu64 " (%" PRIu64 " bytes)\n",
 		   link_status.stats.tx_data_packets,
 		   link_status.stats.tx_data_bytes,
 		   link_status.stats.rx_data_packets,
 		   link_status.stats.rx_data_bytes);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	knet_link_set_enable(knet_h, 1, 0, 0);
 	knet_link_clear_config(knet_h, 1, 0);
 	knet_host_remove(knet_h, 1);
 	knet_handle_free(knet_h);
 	flush_logs(logfds[0], stdout);
 	close_logpipes(logfds);
 }
 
 int main(int argc, char *argv[])
 {
 	need_root();
 
 	test();
 
 	return PASS;
 }
diff --git a/libknet/tests/api_knet_send_compress.c b/libknet/tests/api_knet_send_compress.c
index d7a498a1..c1ad2b37 100644
--- a/libknet/tests/api_knet_send_compress.c
+++ b/libknet/tests/api_knet_send_compress.c
@@ -1,278 +1,279 @@
 /*
  * Copyright (C) 2016 Red Hat, Inc.  All rights reserved.
  *
  * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
  *
  * This software licensed under GPL-2.0+, LGPL-2.0+
  */
 
 #include "config.h"
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <inttypes.h>
 
 #include "libknet.h"
 
 #include "compress.h"
 #include "internals.h"
 #include "netutils.h"
 #include "test-common.h"
 
 static int private_data;
 
 static void sock_notify(void *pvt_data,
 			int datafd,
 			int8_t channel,
 			uint8_t tx_rx,
 			int error,
 			int errorno)
 {
 	return;
 }
 
 static void test(const char *model)
 {
 	knet_handle_t knet_h;
 	int logfds[2];
 	int datafd = 0;
 	int8_t channel = 0;
 	struct knet_handle_stats stats;
 	char send_buff[KNET_MAX_PACKET_SIZE];
 	char recv_buff[KNET_MAX_PACKET_SIZE];
 	ssize_t send_len = 0;
 	int recv_len = 0;
 	int savederrno;
 	struct sockaddr_storage lo;
 	struct knet_handle_compress_cfg knet_handle_compress_cfg;
 
 	memset(&lo, 0, sizeof(struct sockaddr_storage));
 
 	if (knet_strtoaddr("127.0.0.1", "50000", &lo, sizeof(struct sockaddr_storage)) < 0) {
 		printf("Unable to convert loopback to sockaddr: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 
 	memset(send_buff, 0, sizeof(send_buff));
 
 	setup_logpipes(logfds);
 
 	knet_h = knet_handle_new(1, logfds[1], KNET_LOG_DEBUG);
 
 	if (!knet_h) {
 		printf("knet_handle_new failed: %s\n", strerror(errno));
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with %s and valid data\n", model);
 
 	memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
 	strncpy(knet_handle_compress_cfg.compress_model, model, sizeof(knet_handle_compress_cfg.compress_model) - 1);
 	knet_handle_compress_cfg.compress_level = 4;
 	knet_handle_compress_cfg.compress_threshold = 0;
 
 	if (knet_handle_compress(knet_h, &knet_handle_compress_cfg) < 0) {
 		printf("knet_handle_compress did not accept zlib compress mode with compress level 1 cfg\n");
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
         }
 
 	if (knet_handle_enable_sock_notify(knet_h, &private_data, sock_notify) < 0) {
 		printf("knet_handle_enable_sock_notify failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
         }
 
 	datafd = 0;
 	channel = -1;
 
 	if (knet_handle_add_datafd(knet_h, &datafd, &channel) < 0) {
 		printf("knet_handle_add_datafd failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_host_add(knet_h, 1) < 0) {
 		printf("knet_host_add failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0) < 0) {
 		printf("Unable to configure link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_enable(knet_h, 1, 0, 1) < 0) {
 		printf("knet_link_set_enable failed: %s\n", strerror(errno));
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_handle_setfwd(knet_h, 1) < 0) {
 		printf("knet_handle_setfwd failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	while(knet_h->host_index[1]->status.reachable != 1) {
 		printf("waiting host to be reachable\n");
 		sleep(1);
 	}
 
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	sleep(1);
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	/* A sanity check on the stats */
 	if (knet_handle_get_stats(knet_h, &stats, sizeof(stats)) < 0) {
 		printf("knet_handle_get_stats failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (strcmp(model, "none") == 0) {
 		if (stats.tx_compressed_packets != 0 ||
 		    stats.rx_compressed_packets != 0) {
 
-			printf("stats look wrong: s/b all 0 for model 'none' tx_packets: %llu (%llu/%llu comp/uncomp), rx_packets: %llu (%llu/%llu comp/uncomp)\n",
+			printf("stats look wrong: s/b all 0 for model 'none' tx_packets: %" PRIu64 " (%" PRIu64 "/%" PRIu64 " comp/uncomp), rx_packets: %" PRIu64 " (%" PRIu64 "/%" PRIu64 " comp/uncomp)\n",
 			       stats.tx_compressed_packets,
 			       stats.tx_compressed_size_bytes,
 			       stats.tx_compressed_original_bytes,
 			       stats.rx_compressed_packets,
 			       stats.rx_compressed_size_bytes,
 			       stats.rx_compressed_original_bytes);
 		}
 	} else {
 		if (stats.tx_compressed_packets != 1 ||
 		    stats.rx_compressed_packets != 1 ||
 		    stats.tx_compressed_original_bytes < stats.tx_compressed_size_bytes ||
 		    stats.tx_compressed_original_bytes < stats.tx_compressed_size_bytes) {
-			printf("stats look wrong: tx_packets: %llu (%llu/%llu comp/uncomp), rx_packets: %llu (%llu/%llu comp/uncomp)\n",
+			printf("stats look wrong: tx_packets: %" PRIu64 " (%" PRIu64 "/%" PRIu64 " comp/uncomp), rx_packets: %" PRIu64 " (%" PRIu64 "/%" PRIu64 " comp/uncomp)\n",
 			       stats.tx_compressed_packets,
 			       stats.tx_compressed_size_bytes,
 			       stats.tx_compressed_original_bytes,
 			       stats.rx_compressed_packets,
 			       stats.rx_compressed_size_bytes,
 			       stats.rx_compressed_original_bytes);
 
 		}
 	}
 	flush_logs(logfds[0], stdout);
 
 	knet_link_set_enable(knet_h, 1, 0, 0);
 	knet_link_clear_config(knet_h, 1, 0);
 	knet_host_remove(knet_h, 1);
 	knet_handle_free(knet_h);
 	flush_logs(logfds[0], stdout);
 	close_logpipes(logfds);
 }
 
 int main(int argc, char *argv[])
 {
 	need_root();
 
 	test("none");
 
 #ifdef BUILDCOMPZLIB
 	test("zlib");
 #endif
 #ifdef BUILDCOMPLZ4
 	test("lz4");
 	test("lz4hc");
 #endif
 #ifdef BUILDCOMPLZO2
 	test("lzo2");
 #endif
 #ifdef BUILDCOMPLZMA
 	test("lzma");
 #endif
 #ifdef BUILDCOMPBZIP2
 	test("bzip2");
 #endif
 
 	return PASS;
 }
diff --git a/libknet/tests/api_knet_send_loopback.c b/libknet/tests/api_knet_send_loopback.c
index 69d0c62a..69c51f6d 100644
--- a/libknet/tests/api_knet_send_loopback.c
+++ b/libknet/tests/api_knet_send_loopback.c
@@ -1,385 +1,386 @@
 /*
  * Copyright (C) 2016 Red Hat, Inc.  All rights reserved.
  *
  * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
  *
  * This software licensed under GPL-2.0+, LGPL-2.0+
  */
 
 #include "config.h"
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <inttypes.h>
 
 #include "libknet.h"
 
 #include "internals.h"
 #include "netutils.h"
 #include "test-common.h"
 
 static int private_data;
 
 static void sock_notify(void *pvt_data,
 			int datafd,
 			int8_t channel,
 			uint8_t tx_rx,
 			int error,
 			int errorno)
 {
 	return;
 }
 
 static int dhost_filter(void *pvt_data,
 			const unsigned char *outdata,
 			ssize_t outdata_len,
 			uint8_t tx_rx,
 			knet_node_id_t this_host_id,
 			knet_node_id_t src_host_id,
 			int8_t *dst_channel,
 			knet_node_id_t *dst_host_ids,
 			size_t *dst_host_ids_entries)
 {
 	dst_host_ids[0] = 1;
 	*dst_host_ids_entries = 1;
 
 	return 0;
 }
 
 
 static void test(void)
 {
 	knet_handle_t knet_h;
 	int logfds[2];
 	int datafd = 0;
 	int8_t channel = 0;
 	struct knet_link_status link_status;
 	char send_buff[KNET_MAX_PACKET_SIZE];
 	char recv_buff[KNET_MAX_PACKET_SIZE];
 	ssize_t send_len = 0;
 	int recv_len = 0;
 	int savederrno;
 	struct sockaddr_storage lo;
 
 	memset(&lo, 0, sizeof(struct sockaddr_storage));
 
 	if (knet_strtoaddr("127.0.0.1", "50000", &lo, sizeof(struct sockaddr_storage)) < 0) {
 		printf("Unable to convert loopback to sockaddr: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 	memset(send_buff, 0, sizeof(send_buff));
 
 	setup_logpipes(logfds);
 
 	knet_h = knet_handle_new(1, logfds[1], KNET_LOG_DEBUG);
 
 	if (!knet_h) {
 		printf("knet_handle_new failed: %s\n", strerror(errno));
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test configuring multiple links with loopback\n");
 
 	if (knet_handle_enable_sock_notify(knet_h, &private_data, sock_notify) < 0) {
 		printf("knet_handle_enable_sock_notify failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
         }
 
 	datafd = 0;
 	channel = -1;
 
 	if (knet_handle_add_datafd(knet_h, &datafd, &channel) < 0) {
 		printf("knet_handle_add_datafd failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_host_add(knet_h, 1) < 0) {
 		printf("knet_host_add failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) < 0) {
 		printf("Unable to configure link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) == 0) {
 		printf("Managed to configure two LOOPBACK links - this is wrong\n");
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 	printf("Test configuring UDP link after loopback\n");
 
 	if (knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_UDP, &lo, &lo, 0) == 0) {
 		printf("Managed to configure UDP and LOOPBACK links together: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 	printf("Test configuring UDP link before loopback\n");
 
 	if (knet_link_clear_config(knet_h, 1, 0) < 0) {
 		printf("Failed to clear existing LOOPBACK link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0) < 0) {
 		printf("Failed to configure UDP link for testing: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) == 0) {
 		printf("Managed to configure LOOPBACK link after UDP: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 	printf("Test knet_send with valid data\n");
 
 	if (knet_link_clear_config(knet_h, 1, 0) < 0) {
 		printf("Failed to clear existing UDP link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) < 0) {
 		printf("Failed configure LOOPBACK link for sending: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_enable(knet_h, 1, 0, 1) < 0) {
 		printf("knet_link_set_enable failed: %s\n", strerror(errno));
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_handle_setfwd(knet_h, 1) < 0) {
 		printf("knet_handle_setfwd failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	while(knet_h->host_index[1]->status.reachable != 1) {
 		printf("waiting host to be reachable\n");
 		sleep(1);
 	}
 
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	sleep(1);
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	/* A sanity check on the stats */
 	if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(link_status)) < 0) {
 		printf("knet_link_get_status failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (link_status.stats.tx_data_packets != 1 ||
 	    link_status.stats.rx_data_packets != 0 ||
 	    link_status.stats.tx_data_bytes != KNET_MAX_PACKET_SIZE) {
-	    printf("stats look wrong: tx_packets: %llu (%llu bytes), rx_packets: %llu (%llu bytes)\n",
+	    printf("stats look wrong: tx_packets: %" PRIu64 " (%" PRIu64 " bytes), rx_packets: %" PRIu64 " (%" PRIu64 " bytes)\n",
 		   link_status.stats.tx_data_packets,
 		   link_status.stats.tx_data_bytes,
 		   link_status.stats.rx_data_packets,
 		   link_status.stats.rx_data_bytes);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 
 	printf("Test knet_send with only localhost\n");
 
 	if (knet_handle_enable_filter(knet_h, NULL, dhost_filter) < 0) {
 		printf("knet_handle_enable_filter failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	sleep(1);
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	knet_link_set_enable(knet_h, 1, 0, 0);
 	knet_link_clear_config(knet_h, 1, 0);
 	knet_host_remove(knet_h, 1);
 	knet_handle_free(knet_h);
 	flush_logs(logfds[0], stdout);
 	close_logpipes(logfds);
 }
 
 int main(int argc, char *argv[])
 {
 	need_root();
 
 	test();
 
 	return PASS;
 }