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  1. #define NULL nullptr
  2.  
  3. template <class T, class FPTR = void (void *)> 
  4. class CSmartPtr
  5. {
  6. public :
  7. // -----------------------------------------------------------------------
  8. //  Constructors and Destructor
  9. // -----------------------------------------------------------------------
  10. CSmartPtr()
  11. {
  12.     m_TData = NULL;
  13.     m_deleter = NULL;
  14. }
  15.  
  16. CSmartPtr(T* TData)
  17. {
  18.     m_TData = TData;
  19.     m_deleter = NULL;
  20. }
  21.  
  22. CSmartPtr(T* TData, FPTR *deleter)
  23. {
  24.     m_TData = TData;
  25.     m_deleter = deleter;
  26. }
  27.  
  28. ~CSmartPtr()
  29. {
  30.     if (NULL == m_deleter)
  31.     {
  32.         delete m_TData;
  33.     }
  34.     else
  35.     {
  36.         m_deleter(m_TData);
  37.     }
  38. }
  39.  
  40. T *const operator-> () const
  41. {
  42.     return m_TData;
  43. }
  44.  
  45. //-----------------------------------------------------------------------
  46. // Getter methods
  47. //-----------------------------------------------------------------------
  48. T *const get() const
  49. {
  50.     return m_TData;
  51. }
  52.  
  53. void reset(T* TData)
  54. {
  55.     if (NULL != m_TData)
  56.     {
  57.         if (NULL == m_deleter)
  58.         {
  59.             delete m_TData;
  60.         }
  61.         else
  62.         {
  63.             m_deleter(m_TData);
  64.         }
  65.     }
  66.  
  67.     m_TData = TData;
  68. }
  69.  
  70. private :
  71.  
  72. // -----------------------------------------------------------------------
  73. //  Private data members
  74. //
  75. //  fUnicodeForm
  76. //      This is the Unicode XMLCh format of the string.
  77. // -----------------------------------------------------------------------
  78. T *m_TData;
  79. FPTR *m_deleter;
  80. };
  81.  
  82. int main( void )
  83. {
  84.     CSmartPtr<char> apbySrcBuff1;      // This doesnt work.
  85.     CSmartPtr<char, void (void *)> apbySrcBuff;      // This works.
  86.  
  87.     return true;
  88. }
  89.  
Runtime error #stdin #stdout 0s 3292KB
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https://ideone.com/FdGJ7S
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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