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Access Violation Reading Location C


My constructors, destructors, copyconstructor and overloaded assignment operator should be correct so I have no idea why this happens. The users who voted to close gave this specific reason:"Questions seeking debugging help ("why isn't this code working?") must include the desired behavior, a specific problem or error and the shortest Here is the log: Log file open, 12/12/14 22:22:26 LogInit:Display: Running engine for game: Haiku LogInit: Version: 4.5.1-2336687+++depot+UE4-Releases+4.5 LogInit: API Version: 2326478 LogInit: Compiled (64-bit): Oct 21 2014 22:32:40 LogInit: Compiled How can I check the address of a pointer? http://supportcanonprinter.com/access-violation/c-access-violation-reading-location-0xcccccccc.html

Thanks RedSon, another quick question is there a way to check the address of a pointer? Allocating means telling the telephone company that you want to connect a new telephone (malloc()); the phone company will look for a free number, connect the phone for you and tell Browse other questions tagged c++ arrays string dynamic runtime-error or ask your own question. Is there any term for this when movie doesn't end as its plot suggests Why are copper cables round?

Access Violation Reading Location C

However, if I then try to create a new map or exit unreal, the engine crashes with exactly the same error. The fix is to remove this entire block of code in the copy constructor: if (dynamicArray != NULL) { size = 0; delete [] dynamicArray; dynamicArray = NULL; } Since the Nov 2 '07 #8 reply P: 39 ycinar Its probably just a memory dump which means that you are going to need a good text editor to see the hex information.

One implementation can use the copy / swap idiom: #include //... Dereferencing null pointer! Granted, the member is also an object, but I thought it was still straight-forward... Access Violation Reading Location 0x00000000 Accessing an invalid memory location is a hardware exception (that is it is not obviously wrong in the software it is only when you look at the location and find no

Until now, it had been working just fine. Unhandled Exception Access Violation Reading Location Visual Studio The threads should be merged. - Wayne Saturday, June 07, 2014 10:59 PM Reply | Quote 0 Sign in to vote Thank you Wayne. asked 5 years ago viewed 3515 times active 5 years ago Related 3deleting HBITMAP causes an access violation at runtime0visual studio 2010 don't want open new project (application wizard open in How to explain extreme human dimorphism?

A few rebus puzzles Should we eliminate local variables if we can? 0xdddddddd Why leave magical runes exposed? I couldn't remember the details of pointers and objects in C++, but this thread refreshed it a bit.EDITAnd I just stumbed on my problem. thanks!

Unhandled Exception Access Violation Reading Location Visual Studio

Try to get all the code for a class into one source file and the class declaration into one header file. I know best way is not to return this value which seems non-trivial. Access Violation Reading Location C Not the answer you're looking for? Access Violation Reading Location 0xc0000005 The tutorial is going fine.

Nov 1 '07 #2 reply Expert Mod 5K+ P: 8,937 weaknessforcats try { if ( xyz ) // crashes here { abc = xyz->ID; } } catch (...) { //exception } have a peek at these guys No -- new and malloc aren't guaranteed to use the same underlying system for allocating memory, so if you allocate with one system and try to free with the other, that Join them; it only takes a minute: Sign up c++ Access violation reading location while erasing from list [closed] up vote 0 down vote favorite I have a following c++ code: Why doesn't my piece of code work? Access Violation Reading Location 0xffffffffffffffff

Nov 2 '07 #7 reply P: 39 ycinar is there a way to check the address value of a pointer? We'll never see this, will we? ;)108exit(0); Intended Output:x=5 and *y=5x=6 and *y=6x=7 and *y=7x=7 and *y=7 and *z=7x=7 and *y=7 and *z=7**cRaZy=7***YzArC=7method1() writes... You included relevant code (and used the insert code block feature) and talked about what you learned. http://supportcanonprinter.com/access-violation/access-violation-reading-location-0xc0000005.html The problem appears to be with my OO approach to the tutorial.

Are the guns on a fighter jet fixed or can they be aimed? Exception Thrown: Read Access Violation A handle covers this condition. When that memory is no longer valid (it has been deleted or gone out of scope) reset there value back to NULL.

When do you HAVE to use it?

  1. Follow this question Once you sign in you will be able to subscribe for any updates here Answers to this question compile error 4.5 migrate c++ error unreal build Related Questions
  2. Join them; it only takes a minute: Sign up Access Violation reading location 0xfeeefe2 on destructor call up vote 2 down vote favorite This post will be a bit large, so
  3. but here is the most relevant part from the header file.
  4. Related 0a Unhandled exception :Access violation reading location 0x000000040Access violation reading location 0xcccccd840Unable to fix a Access Violation reading location error0Unhandled exception: Access violation reading location 0x00474EB43Catch the “Access violation reading
  5. include "Net/UnrealNetwork.h" doesn't compile.
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  7. It would crash if this (the "this" pointer) is NULL.5}67// You: Should I be doing this instead:8// Me: No.910int get_bar(void)11{12 if(bar != NULL)13 return bar;14 else15 return NULL;16} Let's review the
  8. asked 1 year ago viewed 2484 times active 1 year ago Linked 1447 What is The Rule of Three? 1308 What is the copy-and-swap idiom?
  9. On a Microsoft system built for production the test may not work 3.

It was on my mind to make sure all of these values were set before I called update_boundingbox() which sets them, but in my rush I neglected the bitmap . The problem was as follows:12void Object::update_boundingbox(void)3{4 mobjBoundingBox->TopLeft->x(x());5 mobjBoundingBox->TopLeft->y(y());67 /*8 * It was possible to get here before the bitmap was set, which was exactly9 * what was happening. Graphlex 4x5 Lens Hood and Filters - How Do They Mount? Access Violation Reading Location 0xcccccccc I learned some new things as follows: 0xDDDDDDDDUsed by MicroQuill's SmartHeap and Microsoft's C++ debugging heap to mark freed heap memory But....

Indeterminatus Member #737 November 2000 Posted on 02/21/2007 9:28 AM Quote: int get_bar(void) { return bar; // Would this crash if bar is NULL? } Hm, judging by your post, bar Example: int* a; *a = 27; // a may point to anything, but not to anything valid 2) Returning pointers to local variables. In this function I'm deleting only the pointer to Volume not the object itself. –Olzhas Turar Oct 10 '15 at 9:34 Well, we cannot tell anything, if you're not this content Something is apperantly being destroyed before I think it is.

If xyz is ever deleted then the APerson object is trash.