Re: delete[] causing DAMAGE

"Victor Bazarov" <>
Wed, 26 Sep 2007 17:57:54 -0400
raan wrote:

Whats wrong with the code ? delete[] tp; is throwing DAMAGE: After
normal block(#56) at 0x00321480
Environment, VS2003, XP

#include <iostream>
#include <fstream>
#include <string>
#include <set>
#include <stack>
#include <sstream>

using namespace std;
string PutS(std::string& type)
  char *tp;
  tp = new char[type.length()+1];

What's the intent? If you need to append 's' to your string,
shouldn't you then allocate +2 and not +1?

  type.resize(type.length() + 1);

Why do you do that? Do you realise that 'length()' will
now return a different value?

  memcpy(tp, type.c_str(), strlen(type.c_str()));
  *(tp + type.length()-1) = 's';
  *(tp + type.length()) = '\0';

You allocated fewer characters than you're trying to access.

  string ntype(tp);
  cout << ntype.c_str();
  delete[] tp;
  return ntype;

int main()
   std::string type = "CAMERA";


I am not sure why you're doing all this dancing around with
naked pointers. Why don't you simply define a local string,
initialise it from the string passed in, and then append
something to it using += ?

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