visibility17.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 67 行

// Build don't link: 
// GROUPS passed visibility
// visibility file
// From: Sandeep Shroff <[e-mail]>
// Date:     Thu, 05 Aug 1993 17:23:20 -0700
// Subject:  Access to private constructor.
// Message-ID: <[e-mail]>
#include <iostream>
#include <cstring>

class Base
{
public:
  char* getName() {return name_;}

private:
  Base();
  Base(char* str);

  char* name_;
};

class Derived : public Base
{
public:
  Derived(int n, char* str);
  Derived(int n);

  int getNum() {return num_;}
private:
  int num_;
};

Base::Base()
{ // ERROR - private
  name_ = std::strcpy(new char[std::strlen(" ") + 1], " ");
}

Base::Base(char* str)
{ // ERROR - private
  if(str != NULL)
    name_ = std::strcpy(new char[std::strlen(str) + 1], str);
}

Derived::Derived(int n, char* str) : Base(str)
{// ERROR - .*
  num_ = n;
}

Derived::Derived(int n) : Base()
{// ERROR - .*
  num_ = n;
}



int main()
{
  // Derived* d = new Derived(10, "test");
  Derived* d = new Derived(10);

  std::cerr << d->getNum() << "\t" << d->getName() << std::endl;
}