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标题: valgrind and throw [打印本页]
作者: cnangel    时间: 2012-7-25 10:54     标题: valgrind and throw

  1. #include <stdexcept>
  2. #include <iostream>
  3. #include <vector>

  5. class ValgrindRuntimeError : public std::exception {

  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.   }

  14.   virtual ~ValgrindRuntimeError() throw() {
  15.     delete[] _s;
  16.   }

  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. };

  27. int main() {
  28.   ValgrindRuntimeError a(std::string("xxxx").c_str());
  29.   throw a;
  30. }
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