C / C++ / MFC

BOOL fillArray(LPCSTR s, int base, unsigned char data[5])
{
  const unsigned __int64 GUARD = 1099511627776LL;
  char * pcStop;
  unsigned __int64 n =  _strtoui64(s, &pcStop, base);

  if ( n < GUARD )
  {
    unsigned char * p = (unsigned char *)(&n) + 4;
    for (int i=0; i<5; i++)
    {
      data[i] = *p;
      p--;
    }
    return TRUE;
  }
  else
    return FALSE;
}

billcodes wrote:

you can provide me code in c# also

int main()
{
  char* str = "Hello";
  str[0] = 'Y';
  cout<<str;
  return 0;
}

theCPkid wrote:

Any idea what's the problem in the following code?

theCPkid wrote:

i have the feeling that you will get write access error...

Loveprogramer wrote:

char *from = "c plus plus";
char *to = "oooooooooooooooo";

carter2000 wrote:

Here "from" and "to" are constant strings exactly, so the codes below would be mistake.

char *buf = new char [128];  // or (char*)malloc(128); if you prefer
copy_pointer (from, buf);
delete [] buf;               // or free (buf); if you prefer.