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Full Discussion: Delete operator overloading with multiple arguments.
Top Forums Programming Delete operator overloading with multiple arguments. Post 302387250 by kapilkumawat on Friday 15th of January 2010 02:58:26 AM
Old 01-15-2010
Error Delete operator overloading with multiple arguments.
Hi,

I have an requirement to overload the delete operator in C++, but it should also accept the sizeof() the object that is to be deleted. Actually I am trying to built a custom memory allocator and deallocator like a pool, which makes me to overload the delete operator.
Small example of the problem is

Code:
#include <new>
#include <iostream>
using namespace std;
void operator delete(void* p)
{
cout << "Hello" << endl;
free(p);
} // (1)
void operator delete(void* p, size_t s)
{
cout << "World" << endl;
free(p);
} // (2)
int main()
{
int* p = new int;
delete p; // This cannot render to show 'Hello' or 'World'
}

Output
Hello

I want to call the delete with size operator. So please help me how can this program will give the output as World.

Thanks in advance for my help.
Last edited by pludi; 01-15-2010 at 04:10 AM.. Reason: code tags, please...
 

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LEARN ABOUT CENTOS

std::decimal::decimal128

std::decimal::decimal128(3)				     Library Functions Manual				       std::decimal::decimal128(3)

NAME

       std::decimal::decimal128 -

SYNOPSIS

   Public Types
       typedef float __decfloat128 __attribute__ ((mode(TD)))

   Public Member Functions
       decimal128 (decimal32 d32)
       decimal128 (decimal64 d64)
       decimal128 (float __r)
       decimal128 (double __r)
       decimal128 (long double __r)
       decimal128 (int __z)
       decimal128 (unsigned int __z)
       decimal128 (long __z)
       decimal128 (unsigned long __z)
       decimal128 (long long __z)
       decimal128 (unsigned long long __z)
       decimal128 (__decfloat128 __z)
       __decfloat128 __getval (void)
       void __setval (__decfloat128 __x)
       decimal128 & operator*= (decimal32 __rhs)
       decimal128 & operator*= (decimal64 __rhs)
       decimal128 & operator*= (decimal128 __rhs)
       decimal128 & operator*= (int __rhs)
       decimal128 & operator*= (unsigned int __rhs)
       decimal128 & operator*= (long __rhs)
       decimal128 & operator*= (unsigned long __rhs)
       decimal128 & operator*= (unsigned long long __rhs)
       decimal128 & operator*= (long long __rhs)
       decimal128 & operator++ ()
       decimal128 operator++ (int)
       decimal128 & operator+= (int __rhs)
       decimal128 & operator+= (decimal32 __rhs)
       decimal128 & operator+= (decimal64 __rhs)
       decimal128 & operator+= (decimal128 __rhs)
       decimal128 & operator+= (unsigned int __rhs)
       decimal128 & operator+= (long __rhs)
       decimal128 & operator+= (unsigned long __rhs)
       decimal128 & operator+= (long long __rhs)
       decimal128 & operator+= (unsigned long long __rhs)
       decimal128 & operator-- ()
       decimal128 operator-- (int)
       decimal128 & operator-= (long __rhs)
       decimal128 & operator-= (int __rhs)
       decimal128 & operator-= (long long __rhs)
       decimal128 & operator-= (unsigned long long __rhs)
       decimal128 & operator-= (unsigned long __rhs)
       decimal128 & operator-= (decimal128 __rhs)
       decimal128 & operator-= (unsigned int __rhs)
       decimal128 & operator-= (decimal32 __rhs)
       decimal128 & operator-= (decimal64 __rhs)
       decimal128 & operator/= (decimal32 __rhs)
       decimal128 & operator/= (long long __rhs)
       decimal128 & operator/= (unsigned long long __rhs)
       decimal128 & operator/= (unsigned long __rhs)
       decimal128 & operator/= (decimal64 __rhs)
       decimal128 & operator/= (unsigned int __rhs)
       decimal128 & operator/= (decimal128 __rhs)
       decimal128 & operator/= (long __rhs)
       decimal128 & operator/= (int __rhs)

Detailed Description
       3.2.4 Class decimal128.

       Definition at line 393 of file decimal.

Constructor &; Destructor Documentation
   std::decimal::decimal128::decimal128 (__decfloat128__z) [inline]
       Conforming extension: Conversion from scalar decimal type.

       Definition at line 418 of file decimal.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014				       std::decimal::decimal128(3)
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