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Visual Studio Debugger Unable To Read Memory


We will contact you if we require any additional information. Questions without a clear problem statement are not useful to other readers. permalinkembedsaveparentgive gold[–]exoticmatter 3 points4 points5 points 11 months ago*(2 children)No, variables in C++ are (generally) not initialised unless you do so explicitly. Submit Posted by Deon [MSFT] on 4/29/2014 at 12:29 PM Thank you for reporting this issue. Source

Its unitialized therefore has a random value. –Borgleader Sep 17 '14 at 14:55 1 @ThomasAndrees: b is uninitialized, therefore dereferencing it (e.g., using ->) is undefined behavior. It doesn't happen with Jx, just Jy. What happen if anyone is not believing in God? Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Home Dashboard Directory Help Sign in Visual Studio and .NET Framework

Visual Studio C++ Unable To Read Memory

Therefore, you should write: Code: if (word) { int length = strlen(word); /* ... */ } Actually, length -- and likely count -- should be a size_t. This is a much simpler version of the issue without all of the variable names that would clutter and make the problem unclear. Never give out complete solutions - help, guide, but do not solve!

What is an IDE? Here's a summary of my experiences and the site I built to help other learners find useful online courses!152 · 41 comments [C++] When to start with GUI?32 · 18 comments Going back to school?15 Sometimes the debug info is enough that the debugger can actually piece together a this pointer, and the values of local variables. C Unable To Read Memory A published paper stole my unpublished results from a science fair Are zipped EXE files harmless for Linux servers?

permalinkembedsaveparentgive goldaboutblogaboutsource codeadvertisejobshelpsite rulesFAQwikireddiquettetransparencycontact usapps & toolsReddit for iPhoneReddit for Androidmobile websitebuttons<3reddit goldredditgiftsUse of this site constitutes acceptance of our User Agreement and Privacy Policy (updated). © 2016 reddit inc. Unable To Read Memory C# I have attempted to make a simple Linked List which compiles, but crashed with an error when I try to run it: https://gist.github.com/anonymous/b690401f5083711cc1b3 (I'm not totally sure on how to format Does it make sense prebooking? Often, it is not, and the this pointer shown in the watch window (and consequently the member variables) are nonsense.

Your issue has been routed to the appropriate VS development team for investigation. C++ Debug Unable To Read Memory Join them; it only takes a minute: Sign up C++ Pointers, Unable To Read Memory up vote -2 down vote favorite Why, when I initiate my pointer, I can read the Are zipped EXE files harmless for Linux servers? Did Donald Trump say that "global warming was a hoax invented by the Chinese"?

Unable To Read Memory C#

Its your job to make sure it either points to NULL or a valid memory location. –Borgleader Sep 17 '14 at 15:00 | show 2 more comments 1 Answer 1 active Does cv::Mat have valid copy / move constructors? Visual Studio C++ Unable To Read Memory EDIT: Rephrased question: My original question was quite unclear, sorry for that. C++ Array Unable To Read Memory If they do, I ask them to find the smallest example that exhibits the problem and send me that.

What happen if anyone is not believing in God? this contact form Alter disabled trigger in SQL Server without enabling it How should implanted technology be handled in prison? What are these boxes mounted inline on each of the 3 phase wires of a high voltage power line in Miami? Treat my content as plain text, not as HTML Preview 0 … Existing Members Sign in to your account ...or Join us Download, Vote, Comment, Publish. Vs2013 Unable To Read Memory

When going back 1 ore more steps in the callstack, I can there find, depending on the code, the pointer of the object on which I'm calling a function. –Pieter Mar It's worth noting that you must always check the return values for Windows API functions to make sure they succeeded. –Retired Ninja Feb 14 '15 at 6:52 Why is NULL pointer access ... // FIX A* a = new A; a->f(); // Aha! } share|improve this answer edited Jan 11 '11 at 12:54 answered Jan 11 '11 at 11:42 Zac have a peek here Minimal means that it should be the smallest amount of code necessary to demonstrate your problem.

Why does a (D)DoS attack slow down the CPU and crash a server? __vfptr Unable To Read Memory It's up to you to make sure it does; for example: a obj(1,2); // an object a * b = &obj; // a pointer, pointing to obj; cout << b->a; // Read the full guidelines for asking questions.

For example: when breaking in A::foo() in Release mode 'this' will have value 0x00000000 'f_' will show garbage Somehow this information needs to be available to the process.

As above, spelling mistakes on my part. Good Example: [C++] Segmentation fault while writing to array in a for loop Bad Example: What's wrong with this? You can then copy the address from the Value column and watch that specifically (as (MyObject *)0x003f00f0 or whatever), which will allow you to see into this later in the method. Error Reading Characters Of String trying to dereference a null pointer) gets disabled in the exceptions window.

However, that's not terribly helpful if you actually have a problem in Release mode you can't find. Bought agency bond (FANNIE MAE 0% 04/08/2027), now what? Should I be using it? Check This Out I didn't read that loop clearly enough and just saw the increment of length and just assumed that.

Alter disabled trigger in SQL Server without enabling it Why does a (D)DoS attack slow down the CPU and crash a server? Insults are not welcome. In general, when you're working with a release build, you should expect that the debugger is going to get confused.