How to check if a pointer is valid?

How to check if a pointer is valid?



1.c - How to check if a pointer is valid? - Stack Overflow

Description:I am well aware of the ugliness of this question, I'd still
like to know if it's possible: When a program tries to read/write to an
invalid pointer (NULL, unallocated ...



2.Testing pointers for validity (C/C++) - Stack Overflow

Description:Is there any way to determine (programatically, of course) if
a given pointer is "valid"? ... you still need a way to check if pointer
is allocated on stack ()



3.How to check if pointer is valid - Codeguru Ltd.

Description:how can i check if a pointer is valid so if(pPointer == VALID)
{ DOSOMETHING(); } CodeGuru ... //check if pointer initialized if
(pYourObject != NULL) {DoSomething();};



4.How to check if a pointer is "valid" ? - C / C++

Description:09-01-2006 · But it crash anyway... one cannot check to see if
a pointer is valid or not. Not in standard C++. Please, help... in the
constructor of image object, ...



5.How to check if an object pointer is valid | JongAm's blog

Description:30-11-2010 · On this Monday, I was about to write codes to
check validity of a pointer. It turned out that I didn't need to. However,
I wonder how to do it. There is no ...



6.How to check Uninitialized Pointer - GIDForums

Description:How to check Uninitialized Pointer C Programming Language ...
(the problem of how to get a C function to know whether a pointer argument
is valid), but it's not tough.



7.how to check pointer is valid or not? - Codeguru Ltd.

Description:hi all, my code is char *p=new char; *p='a'; delete p; after
this i should check the ... When you say: delete p you have deleted the
char p was pointing to. You can't ...



8.Checking If A Pointer Is Valid . - VB6 | Dream.In.Code

Description:Checking if a Pointer is valid .: ... Hi all and happy XMass.
I have been searching all over for a way to know if a Long variable has a
valid Object Pointer in it....



9.How to check if a pointer to a TTreeView.TTreeNode is valid ?

Description:Quote hello to all, how can i check if a pointer to a
TTreeView.TTreeNode is valid after that i have deletd a
TTreeView.TTreeNode ? You can't, actually.



10.C++ Q & A -- Microsoft Systems Journal November 1998

Description:Q I have two views. One view needs to check if the other view
has been instantiated yet—that is, if the pointer to it is valid. How do I
test a pointer to see if it ...