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authorRich Felker <dalias@aerifal.cx>2013-08-30 17:06:17 -0400
committerRich Felker <dalias@aerifal.cx>2013-08-30 17:06:17 -0400
commitda19f88659c12f00939945d4d3fbb1a48bac7e7e (patch)
treeec57a7740e5af43a13e210fb8a1c7527c2a28e24
parent09b2995bcb663e0a19210311721bf46d49f87212 (diff)
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only expose struct tcphdr under _GNU_SOURCE
the BSD and GNU versions of this structure differ, so exposing it in the default _BSD_SOURCE profile is possibly problematic. both versions could be simultaneously supported with anonymous unions if needed in the future, but for now, just omitting it except under _GNU_SOURCE should be safe.
-rw-r--r--include/netinet/tcp.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index b8c79349..8266f21d 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -31,8 +31,10 @@
#define SOL_TCP 6
#include <sys/types.h>
#include <sys/socket.h>
-#include <endian.h>
+#endif
+#ifdef _GNU_SOURCE
+#include <endian.h>
struct tcphdr
{
u_int16_t source;