X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad81651f00edc6f489d9b6a0839d316a964fd521..ce7208d49d5ce2ca1dc0b3b83f14f1d04f29c4bf:/src/common/ipcbase.cpp

diff --git a/src/common/ipcbase.cpp b/src/common/ipcbase.cpp
index 5ec21ae574..151b3004d1 100644
--- a/src/common/ipcbase.cpp
+++ b/src/common/ipcbase.cpp
@@ -1,27 +1,22 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        ipcbase.cpp
+// Name:        src/common/ipcbase.cpp
 // Purpose:     IPC base classes
 // Author:      Julian Smart
 // 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"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/defs.h"
 #endif
 
 #include "wx/ipcbase.h"
@@ -30,4 +25,64 @@ IMPLEMENT_CLASS(wxServerBase, wxObject)
 IMPLEMENT_CLASS(wxClientBase, wxObject)
 IMPLEMENT_CLASS(wxConnectionBase, wxObject)
 
+wxConnectionBase::wxConnectionBase(wxChar *buffer, int bytes)
+    : m_connected(true),
+      m_buffer(buffer),
+      m_buffersize(bytes),
+      m_deletebufferwhendone(false)
+{
+  if ( buffer == (wxChar *)NULL )
+  { // behave like next constructor
+    m_buffersize = 0;
+    m_deletebufferwhendone = true;
+  }
+}
+
+wxConnectionBase::wxConnectionBase()
+    : m_connected(true),
+      m_buffer(NULL),
+      m_buffersize(0),
+      m_deletebufferwhendone(true)
+{
+}
+
+wxConnectionBase::wxConnectionBase(const wxConnectionBase& copy)
+    : wxObject(),
+      m_connected(copy.m_connected),
+      m_buffer(copy.m_buffer),
+      m_buffersize(copy.m_buffersize),
+      m_deletebufferwhendone(false)
+
+{
+  // copy constructor would require ref-counted pointer to buffer
+  wxFAIL_MSG( _T("Copy constructor of wxConnectionBase not implemented") );
+}
+
+
+wxConnectionBase::~wxConnectionBase(void)
+{
+  if ( m_deletebufferwhendone && m_buffer )
+   delete m_buffer;
+}
 
+wxChar *wxConnectionBase::GetBufferAtLeast( size_t bytes )
+{
+  if ( m_buffersize >= bytes )
+    return m_buffer;
+  else
+  {  // need to resize buffer
+    if ( m_deletebufferwhendone )
+    { // we're in charge of buffer, increase it
+      if ( m_buffer )
+        delete m_buffer;
+      // 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
+    else
+      return NULL;
+  }
+}