Silence warning about truncation since the comment says it ok

[wxWidgets.git] / src / common / ipcbase.cpp

diff --git a/src/common/ipcbase.cpp b/src/common/ipcbase.cpp
index 44ec4f166a716234f247809ce761b4c1f22e9ae4..31f3cab4bd8ddbb445c7d3c7b64ea9ab7ad53577 100644 (file)
--- a/src/common/ipcbase.cpp
+++ b/src/common/ipcbase.cpp
@@ -5,14 +5,10 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "ipcbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -30,10 +26,10 @@ IMPLEMENT_CLASS(wxServerBase, wxObject)
 IMPLEMENT_CLASS(wxClientBase, wxObject)
 IMPLEMENT_CLASS(wxConnectionBase, wxObject)
 
-wxConnectionBase::wxConnectionBase(wxChar *buffer, int size)
+wxConnectionBase::wxConnectionBase(wxChar *buffer, int bytes)
     : m_connected(true),
-      m_buffer(buffer), 
-      m_buffersize(size),
+      m_buffer(buffer),
+      m_buffersize(bytes),
       m_deletebufferwhendone(false)
 {
   if ( buffer == (wxChar *)NULL )
@@ -51,8 +47,9 @@ wxConnectionBase::wxConnectionBase()
 {
 }
 
-wxConnectionBase::wxConnectionBase(wxConnectionBase& copy)
-    : m_connected(copy.m_connected),
+wxConnectionBase::wxConnectionBase(const wxConnectionBase& copy)
+    : wxObject(),
+      m_connected(copy.m_connected),
       m_buffer(copy.m_buffer),
       m_buffersize(copy.m_buffersize),
       m_deletebufferwhendone(false)
@@ -77,9 +74,12 @@ wxChar *wxConnectionBase::GetBufferAtLeast( size_t bytes )
   {  // need to resize buffer
     if ( m_deletebufferwhendone )
     { // we're in charge of buffer, increase it
-      if ( !m_buffer )
+      if ( m_buffer )
         delete m_buffer;
-      m_buffer = new wxChar[bytes];
+      // the argument specifies **byte size**, but m_buffer is of type
+      // wxChar. Under unicode: sizeof(wxChar) > 1, so the buffer size is
+      // bytes / sizeof(wxChar) rounded upwards.
+      m_buffer = new wxChar[(bytes + sizeof(wxChar) - 1) / sizeof(wxChar)];
       m_buffersize = bytes;
       return m_buffer;
     } // user-supplied buffer, fail