avoid creating and immediately destroying a wxGraphicsContext when creating a wxDC...

[wxWidgets.git] / include / wx / buffer.h

diff --git a/include/wx/buffer.h b/include/wx/buffer.h
index e0644474e8f1fe019c143956689016675d5073c6..ec0e1fc7651e541c116a88a402f6c2e2621de06a 100644 (file)
--- a/include/wx/buffer.h
+++ b/include/wx/buffer.h
@@ -312,6 +312,10 @@ public:
         if ( !str )
             return false;
 
+        // For consistency with the ctor taking just the length, NUL-terminate
+        // the buffer.
+        str[len] = (CharType)0;
+
         if ( this->m_data == this->GetNullData() )
         {
             this->m_data = new Data(str, len);
@@ -535,6 +539,8 @@ public:
     size_t GetBufSize() const { return m_bufdata->m_size; }
     size_t GetDataLen() const { return m_bufdata->m_len; }
 
+    bool IsEmpty() const { return GetDataLen() == 0; }
+
     void   SetBufSize(size_t size) { m_bufdata->ResizeIfNeeded(size); }
     void   SetDataLen(size_t len)
     {
@@ -542,6 +548,8 @@ public:
         m_bufdata->m_len = len;
     }
 
+    void Clear() { SetDataLen(0); }
+
     // Ensure the buffer is big enough and return a pointer to it
     void *GetWriteBuf(size_t sizeNeeded)
     {