Add I_NETINET_TCP to help change #3391.

[p5sagit/p5-mst-13.2.git] / win32 / win32sck.c

diff --git a/win32/win32sck.c b/win32/win32sck.c
index 8929ea7..2713605 100644 (file)
--- a/win32/win32sck.c
+++ b/win32/win32sck.c
@@ -13,10 +13,6 @@
 #define WIN32_LEAN_AND_MEAN
 #ifdef __GNUC__
 #define Win32_Winsock
-#  ifdef __cplusplus
-#undef __attribute__           /* seems broken in 2.8.0 */
-#define __attribute__(p)
-#  endif
 #endif
 #include <windows.h>
 #include "EXTERN.h"
@@ -291,8 +287,15 @@ int
 win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
 {
     int r;
+    int frombufsize = *fromlen;
 
     SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
+    /* Winsock's recvfrom() only returns a valid 'from' when the socket
+     * is connectionless.  Perl expects a valid 'from' for all types
+     * of sockets, so go the extra mile.
+     */
+    if (r != SOCKET_ERROR && frombufsize == *fromlen)
+       (void)win32_getpeername(s, from, fromlen);
     return r;
 }