Font dialog fix

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

diff --git a/include/wx/buffer.h b/include/wx/buffer.h
index 01b44c72b3ef878019d0b92d60b4f4fade19a923..9415229b9c236412ab37e226ec19d73128c53011 100644 (file)
--- a/include/wx/buffer.h
+++ b/include/wx/buffer.h
@@ -27,12 +27,14 @@ class wxCharBuffer
 {
 public:
     wxCharBuffer(const char *str)
+        : m_str(NULL)
     {
         wxASSERT_MSG( str, wxT("NULL string in wxCharBuffer") );
 
         m_str = str ? strdup(str) : (char *)NULL;
     }
     wxCharBuffer(size_t len)
+        : m_str(NULL)
     {
         m_str = (char *)malloc(len+1);
         m_str[len] = '\0';
@@ -41,17 +43,17 @@ public:
    ~wxCharBuffer() { free(m_str); }
 
    wxCharBuffer(const wxCharBuffer& src)
+       : m_str(src.m_str)
    {
-     m_str = src.m_str;
-     // no reference count yet...
-     ((wxCharBuffer*)&src)->m_str = (char *)NULL;
+       // no reference count yet...
+       ((wxCharBuffer*)&src)->m_str = (char *)NULL;
    }
    wxCharBuffer& operator=(const wxCharBuffer& src)
    {
-     m_str = src.m_str;
-     // no reference count yet...
-     ((wxCharBuffer*)&src)->m_str = (char *)NULL;
-     return *this;
+       m_str = src.m_str;
+       // no reference count yet...
+       ((wxCharBuffer*)&src)->m_str = (char *)NULL;
+       return *this;
    }
 
    const char *data() const { return m_str; }
@@ -67,6 +69,7 @@ class wxWCharBuffer
 {
 public:
     wxWCharBuffer(const wchar_t *wcs)
+        : m_wcs((wchar_t *)NULL)
     {
         wxASSERT_MSG( wcs, wxT("NULL string in wxWCharBuffer") );
 
@@ -80,9 +83,9 @@ public:
           m_wcs = (wchar_t *)malloc(siz);
           memcpy(m_wcs, wcs, siz);
         }
-        else m_wcs = (wchar_t *)NULL;
     }
     wxWCharBuffer(size_t len)
+        : m_wcs((wchar_t *)NULL)
     {
         m_wcs = (wchar_t *)malloc((len+1)*sizeof(wchar_t));
         m_wcs[len] = L'\0';
@@ -92,17 +95,17 @@ public:
    ~wxWCharBuffer() { free(m_wcs); }
 
    wxWCharBuffer(const wxWCharBuffer& src)
+       : m_wcs(src.m_wcs)
    {
-     m_wcs = src.m_wcs;
-     // no reference count yet...
-     ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
+       // no reference count yet...
+       ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
    }
    wxWCharBuffer& operator=(const wxWCharBuffer& src)
    {
-     m_wcs = src.m_wcs;
-     // no reference count yet...
-     ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
-     return *this;
+       m_wcs = src.m_wcs;
+       // no reference count yet...
+       ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
+       return *this;
    }
 
    const wchar_t *data() const { return m_wcs; }
@@ -137,20 +140,20 @@ class wxMemoryBuffer
 public:
     enum { BLOCK_SIZE = 1024 };
     wxMemoryBuffer(size_t size=wxMemoryBuffer::BLOCK_SIZE)
+        : m_data(NULL), m_size(0), m_len(0)
     {
         wxASSERT(size > 0);
         m_data = malloc(size);
         wxASSERT(m_data != NULL);
         m_size = size;
-        m_len  = 0;
     }
 
     ~wxMemoryBuffer() { free(m_data); }
 
     // Accessors
-    void*  GetData()    { return m_data; }
-    size_t GetBufSize() { return m_size; }
-    size_t GetDataLen() { return m_len; }
+    void*  GetData() const    { return m_data; }
+    size_t GetBufSize() const { return m_size; }
+    size_t GetDataLen() const { return m_len; }
 
     void   SetBufSize(size_t size) { ResizeIfNeeded(size); }
     void   SetDataLen(size_t len)
@@ -179,7 +182,7 @@ public:
     // Other ways to append to the buffer
     void  AppendByte(char data) {
         ResizeIfNeeded(m_len + 1);
-        *((char*)m_data) = data;
+        *(((char*)m_data)+m_len) = data;
         m_len += 1;
     }
     void  AppendData(void* data, size_t len)
@@ -190,10 +193,33 @@ public:
 
     operator const char *() const { return (const char*)m_data; }
 
+
+    // Copy and assignment
+    wxMemoryBuffer(const wxMemoryBuffer& src)
+        : m_data(src.m_data), m_size(src.m_size), m_len(src.m_len)
+    {
+        // no reference count yet...
+        ((wxMemoryBuffer*)&src)->m_data = NULL;
+        ((wxMemoryBuffer*)&src)->m_size = 0;
+        ((wxMemoryBuffer*)&src)->m_len  = 0;
+    }
+
+    wxMemoryBuffer& operator=(const wxMemoryBuffer& src)
+    {
+        m_data = src.m_data;
+        m_size = src.m_size;
+        m_len  = src.m_len;
+        
+        // no reference count yet...
+        ((wxMemoryBuffer*)&src)->m_data = NULL;
+        ((wxMemoryBuffer*)&src)->m_size = 0;
+        ((wxMemoryBuffer*)&src)->m_len  = 0;
+
+        return *this;
+   }
+
+
 protected:
-    // Don't allow copy or assignment
-    wxMemoryBuffer(const wxMemoryBuffer&) {}
-    wxMemoryBuffer& operator=(const wxCharBuffer& src) {}
 
     void ResizeIfNeeded(size_t newSize)
     {