valgrind and throw

cnangel

1. #include <stdexcept>
   
2. #include <iostream>
   
3. #include <vector>
   
4. 
   
5. class ValgrindRuntimeError : public std::exception {
   
6. 
   
7.   public:
   
8.   /** Takes a character string describing the error.  */
   
9.   ValgrindRuntimeError(char s[]) {
   
10.     _s=new char[strlen(s)];
    
11.     strcpy(_s, s);
    
12.   }
    
13. 
    
14.   virtual ~ValgrindRuntimeError() throw() {
    
15.     delete[] _s;
    
16.   }
    
17. 
    
18.   /** Returns a C-style character string describing the general cause of
    
19.    *  the current error (the same string passed to the ctor).  */
    
20.   virtual const char* what() const throw() {
    
21.     return _s;
    
22.   }
    
23.   private:
    
24.     char *_s;
    
25. };
    
26. 
    
27. int main() {
    
28.   ValgrindRuntimeError a(std::string("xxxx").c_str());
    
29.   throw a;
    
30. }

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