X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/169f96cdf78ca9f2691194df9b79771cc54889fe..02b51ae521db06ef12a3c2a37a5378a9f715e707:/src/common/sckaddr.cpp

diff --git a/src/common/sckaddr.cpp b/src/common/sckaddr.cpp
index fa142eb5f7..9e2b8682e7 100644
--- a/src/common/sckaddr.cpp
+++ b/src/common/sckaddr.cpp
@@ -121,15 +121,29 @@ IMPLEMENT_DYNAMIC_CLASS(wxUNIXaddress, wxSockAddress)
 #endif
 
 // the _r functions need the extra buffer parameter but unfortunately its type
-// differs between different systems
+// differs between different systems and for the systems which use opaque
+// structs for it (at least AIX and OpenBSD) it must be zero-filled before
+// being passed to the system functions
 #ifdef HAVE_FUNC_GETHOSTBYNAME_R_3
-    typedef hostent_data wxGethostBuf;
+    struct wxGethostBuf : hostent_data
+    {
+        wxGethostBuf()
+        {
+            memset(this, 0, sizeof(hostent_data));
+        }
+    };
 #else
     typedef char wxGethostBuf[1024];
 #endif
 
 #ifdef HAVE_FUNC_GETSERVBYNAME_R_3
-    typedef servent_data wxGetservBuf;
+    struct wxGetservBuf : servent_data
+    {
+        wxGethostBuf()
+        {
+            memset(this, 0, sizeof(servent_data));
+        }
+    };
 #else
     typedef char wxGetservBuf[1024];
 #endif