winsock: Add check for sin6_scope_id.

configure

@@ -18550,6 +18550,127 @@ _ACEOF
 fi
 
 
+echo "$as_me:$LINENO: checking for struct sockaddr_in6.sin6_scope_id" >&5
+echo $ECHO_N "checking for struct sockaddr_in6.sin6_scope_id... $ECHO_C" >&6
+if test "${ac_cv_member_struct_sockaddr_in6_sin6_scope_id+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+int
+main ()
+{
+static struct sockaddr_in6 ac_aggr;
+if (ac_aggr.sin6_scope_id)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_member_struct_sockaddr_in6_sin6_scope_id=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+int
+main ()
+{
+static struct sockaddr_in6 ac_aggr;
+if (sizeof ac_aggr.sin6_scope_id)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_member_struct_sockaddr_in6_sin6_scope_id=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_member_struct_sockaddr_in6_sin6_scope_id=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_member_struct_sockaddr_in6_sin6_scope_id" >&5
+echo "${ECHO_T}$ac_cv_member_struct_sockaddr_in6_sin6_scope_id" >&6
+if test $ac_cv_member_struct_sockaddr_in6_sin6_scope_id = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+_ACEOF
+
+
+fi
+
+
 echo "$as_me:$LINENO: checking for timezone variable" >&5
 echo $ECHO_N "checking for timezone variable... $ECHO_C" >&6
 if test "${ac_cv_have_timezone+set}" = set; then

configure.ac

@@ -1367,6 +1367,15 @@ AC_CHECK_MEMBERS([struct option.name],,,
 dnl Check for stat.st_blocks
 AC_CHECK_MEMBERS([struct stat.st_blocks])
 
+dnl Check for sin6_scope_id
+AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
+[#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif])
+
 dnl Check for the external timezone variables timezone and daylight
 AC_CACHE_CHECK([for timezone variable], ac_cv_have_timezone,
                AC_TRY_LINK([#include <time.h>],[timezone;],

dlls/winsock/socket.c

@@ -930,28 +930,20 @@ static struct sockaddr* ws_sockaddr_ws2u(const struct WS_sockaddr* wsaddr, int w
     case WS_AF_INET6: {
         struct sockaddr_in6* uin6;
         const struct WS_sockaddr_in6* win6 = (struct WS_sockaddr_in6*)wsaddr;
-        const struct WS_sockaddr_in6_old* win6old = (struct WS_sockaddr_in6_old*)wsaddr;
 
         /* Note: Windows has 2 versions of the sockaddr_in6 struct, one with
          * scope_id, one without. Check:
          * http://msdn.microsoft.com/library/en-us/winsock/winsock/sockaddr_2.asp
          */
-        if (wsaddrlen==sizeof(struct WS_sockaddr_in6_old)) {
+        if (wsaddrlen >= sizeof(struct WS_sockaddr_in6_old)) {
-            *uaddrlen=sizeof(struct sockaddr_in6);
-            uin6=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *uaddrlen);
-            uin6->sin6_family   = AF_INET6;
-            uin6->sin6_port     = win6old->sin6_port;
-            uin6->sin6_flowinfo = win6old->sin6_flowinfo;
-            memcpy(&uin6->sin6_addr,&win6old->sin6_addr,16); /* 16 bytes = 128 address bits */
-            return (struct sockaddr*)uin6;
-        }
-        if (wsaddrlen>=sizeof(struct WS_sockaddr_in6)) {
             *uaddrlen=sizeof(struct sockaddr_in6);
             uin6=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *uaddrlen);
             uin6->sin6_family   = AF_INET6;
             uin6->sin6_port     = win6->sin6_port;
             uin6->sin6_flowinfo = win6->sin6_flowinfo;
-            uin6->sin6_scope_id = win6->sin6_scope_id;
+#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
+            if (wsaddrlen >= sizeof(struct WS_sockaddr_in6)) uin6->sin6_scope_id = win6->sin6_scope_id;
+#endif
             memcpy(&uin6->sin6_addr,&win6->sin6_addr,16); /* 16 bytes = 128 address bits */
             return (struct sockaddr*)uin6;
         }
@@ -1066,28 +1058,22 @@ static int ws_sockaddr_u2ws(const struct sockaddr* uaddr, int uaddrlen, struct W
 #endif
     case AF_INET6: {
         const struct sockaddr_in6* uin6 = (struct sockaddr_in6*)uaddr;
-        struct WS_sockaddr_in6* win6 = (struct WS_sockaddr_in6*)wsaddr;
         struct WS_sockaddr_in6_old* win6old = (struct WS_sockaddr_in6_old*)wsaddr;
 
         if (*wsaddrlen < sizeof(struct WS_sockaddr_in6_old))
             return -1;
-        if (*wsaddrlen == sizeof(struct WS_sockaddr_in6_old)) {
+        win6old->sin6_family   = WS_AF_INET6;
-            win6old->sin6_family   = WS_AF_INET6;
+        win6old->sin6_port     = uin6->sin6_port;
-            win6old->sin6_port     = uin6->sin6_port;
+        win6old->sin6_flowinfo = uin6->sin6_flowinfo;
-            win6old->sin6_flowinfo = uin6->sin6_flowinfo;
+        memcpy(&win6old->sin6_addr,&uin6->sin6_addr,16); /* 16 bytes = 128 address bits */
-            memcpy(&win6old->sin6_addr,&uin6->sin6_addr,16); /* 16 bytes = 128 address bits */
+        *wsaddrlen = sizeof(struct WS_sockaddr_in6_old);
-            *wsaddrlen = sizeof(struct WS_sockaddr_in6_old);
+#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
-            return 0;
-        }
         if (*wsaddrlen >= sizeof(struct WS_sockaddr_in6)) {
-            win6->sin6_family   = WS_AF_INET6;
+            struct WS_sockaddr_in6* win6 = (struct WS_sockaddr_in6*)wsaddr;
-            win6->sin6_port     = uin6->sin6_port;
-            win6->sin6_flowinfo = uin6->sin6_flowinfo;
-            memcpy(&win6->sin6_addr,&uin6->sin6_addr,16); /* 16 bytes = 128 address bits */
             win6->sin6_scope_id = uin6->sin6_scope_id;
             *wsaddrlen = sizeof(struct WS_sockaddr_in6);
-            return 0;
         }
+#endif
         return 0;
     }
     case AF_INET: {

include/config.h.in

@@ -629,6 +629,9 @@
 /* Define to 1 if `name' is member of `struct option'. */
 #undef HAVE_STRUCT_OPTION_NAME
 
+/* Define to 1 if `sin6_scope_id' is member of `struct sockaddr_in6'. */
+#undef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
+
 /* Define to 1 if `sa_len' is member of `struct sockaddr'. */
 #undef HAVE_STRUCT_SOCKADDR_SA_LEN