Make some static variables thread-local.

This should make some functions thread-safe, even if it doesn't make
them fully-reentrant; at least some of them would requiree API changes
to full reentrancy.

This should fix #1174.

1 files changed, 3 insertions, 1 deletions

diff --git a/etherent.c b/etherent.c
index 69da9a54..e0e5023c 100644
--- a/etherent.c
+++ b/etherent.c
@@ -33,6 +33,8 @@
 
 #include <pcap/namedb.h>
 
+#include "thread-local.h"
+
 #ifdef HAVE_OS_PROTO_H
 #include "os-proto.h"
 #endif
@@ -87,7 +89,7 @@ pcap_next_etherent(FILE *fp)
 	u_char d;
 	char *bp;
 	size_t namesize;
-	static struct pcap_etherent e;
+	static thread_local struct pcap_etherent e;
 
 	memset((char *)&e, 0, sizeof(e));
 	for (;;) {