From ba26c3fb2252d23f9287b659569698476a06abcf Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 6 Apr 2005 14:11:50 +0000
Subject: [PATCH] check for struct sizes and use those sizes if the NS_*
 defines are lacking (IRIX 6.5.22 it seems)

---
 ares/configure.ac    | 34 ++++++++++++++++++++++++++++++++++
 ares/inet_net_pton.h | 12 ++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/ares/configure.ac b/ares/configure.ac
index ca8bb6add6..c163d1fe62 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -188,4 +188,38 @@ int main()
      ], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
 fi
 
+AC_CHECK_SIZEOF(struct in6_addr, ,
+[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+]
+)
+AC_CHECK_SIZEOF(struct in_addr, ,
+[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+]
+)
+
+
 AC_OUTPUT(Makefile)
diff --git a/ares/inet_net_pton.h b/ares/inet_net_pton.h
index 5e08208146..a7b4074588 100644
--- a/ares/inet_net_pton.h
+++ b/ares/inet_net_pton.h
@@ -39,4 +39,16 @@ int ares_inet_pton(int af, const char *src, void *dst);
 int ares_inet_net_pton(int af, const char *src, void *dst, size_t size);
 #endif
 
+#ifndef NS_IN6ADDRSZ
+#define NS_IN6ADDRSZ SIZEOF_STRUCT_IN6_ADDR
+#endif
+
+#ifndef NS_INADDRSZ
+#define NS_INADDRSZ SIZEOF_STRUCT_IN_ADDR
+#endif
+
+#ifndef NS_INT16SZ
+#define NS_INT16SZ 2
+#endif
+
 #endif /* INET_NET_PTON_H */