From: Sharan Santhanam <sharan.santhanam@neclab.eu>
Date: Sun, 2 Feb 2020 13:39:11 +0000 (+0100)
Subject: lwip: Add compile guard for struct ifconf
X-Git-Tag: RELEASE-0.4~6
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=4bca2ab940ef7e3b23f94111b4d04103f751a4bf;p=unikraft%2Flibs%2Flwip.git

lwip: Add compile guard for struct ifconf

Fix to disable redefinition of struct ifconf from python

Signed-off-by: Sharan Santhanam <sharan.santhanam@neclab.eu>
Reviewed-by: Alexander Jung <a.jung@lancs.ac.uk>
---

diff --git a/include/net/if.h b/include/net/if.h
index 1eb11d8..4eadc6d 100644
--- a/include/net/if.h
+++ b/include/net/if.h
@@ -26,6 +26,7 @@ char *if_indextoname (unsigned int, char *);
 #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST| \
         IFF_ECHO|IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
 
+#if defined(_BSD_SOURCE)
 struct ifconf {
 	int ifc_len;
 	union {
@@ -33,6 +34,7 @@ struct ifconf {
 		struct ifreq *ifcu_req;
 	} ifc_ifcu;
 };
+#endif /* _BSD_SOURCE */
 #define ifc_buf         ifc_ifcu.ifcu_buf
 #define ifc_req         ifc_ifcu.ifcu_req