corrected error code for http responses with no content-length indicated (from READ_ERROR to EOF) so that clients of streams can rely on getting EOF or NO_ERROR when everything is ok

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/http.cpp

@@ -335,6 +335,15 @@ size_t wxHTTPStream::OnSysRead(void *buffer, size_t bufsize)
     size_t ret = wxSocketInputStream::OnSysRead(buffer, bufsize);
     m_read_bytes += ret;
 
+    if (m_httpsize==(size_t)-1 && m_lasterror == wxSTREAM_READ_ERROR )
+    {
+        // if m_httpsize is (size_t) -1 this means read until connection closed
+        // which is equivalent to getting a READ_ERROR, for clients however this
+        // must be translated into EOF, as it is the expected way of signalling
+        // end end of the content
+        m_lasterror = wxSTREAM_EOF ;
+    }
+
     return ret;
 }