glibc older than 2.19 require _BSD_SOURCE to expose BSD style fields of
struct tcphdr. Fix the following build failure:
xtables-monitor.c: In function 'trace_print_packet':
xtables-monitor.c:406:43: error: 'const struct tcphdr' has no member named 'th_sport'
printf("SPORT=%d DPORT=%d ", ntohs(tcph->th_sport), ntohs(tcph->th_dport));
^
xtables-monitor.c:406:66: error: 'const struct tcphdr' has no member named 'th_dport'
printf("SPORT=%d DPORT=%d ", ntohs(tcph->th_sport), ntohs(tcph->th_dport));
^
...
Cc: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
---
iptables/xtables-monitor.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
index 3b1ca777a28a..f664dc541ab3 100644
--- a/iptables/xtables-monitor.c
+++ b/iptables/xtables-monitor.c
@@ -9,6 +9,7 @@
* This software has been sponsored by Sophos Astaro <http://www.sophos.com>
*/
+#define _BSD_SOURCE
#include <stdlib.h>
#include <time.h>
#include <string.h>
--
2.19.1
