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The time now is 11:46 PM. Creating a game, from start to finish Recent additions How to create a shared library on Linux with GCC - December 30, 2011 Enum classes and nullptr in C++11 - The error is the assignment of the address of z to p2 since it causes the dynamically allocated memory to be "orphaned". The way I am understanding this is that in the first code example, p2 is storing the the value of z in its own memory address that was allocated by malloc(). this contact form

share|improve this answer edited Nov 30 '13 at 7:06 answered Nov 30 '13 at 7:01 user529758 That worked. share|improve this answer answered Nov 30 '13 at 7:04 Tim Pierce 3,819926 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Thank you both for the thorough explanation; I now understand pointers and malloc much better than about a half hour ago. You can only free() a pointer that was returned by a previous call to malloc, calloc, or realloc.

Free() Invalid Pointer C++

I got a paper to review from a journal that had rejected my earlier works, how to respond? Learn more Top Tags 5900× prtg 1887× snmp 1488× sensor 958× wmi 634× notifications 493× maps View all Tags Invalid Pointer Operation Votes:0 Your Vote: Up Down I'm trying to We tried doing a 60 second internal and a 120 second interval. Below is just a test code that I've been playing around with to try and fix the problem (it's the same problem in my current project's code, this is just a

How to get last part of http link in Bash? Free PRTG Download >> What is this? Bug #2 - Invalid Pointer References An invalid pointer reference occurs when a pointer's value is referenced even though the pointer doesn't point to a valid block. Invalid Pointer Windows 7 Login This will start the service- Plug in yor USB stick and installRevo Uninstaller Pro- Use Revo Uninstaller Pro and the untick the feature of using the default uninstaller and also use

Once I comment out the free() function and re-compile, the program will run fine. Error In Free() Invalid Pointer C++ asked 1 year ago viewed 6802 times active 1 year ago Related 1free() invalid pointer-1free() invalid pointer C++0“free(): invalid pointer” error and core dump0*** glibc detected *** free(): invalid pointer3Free invalid vBulletin 2000 - 2016, Jelsoft Enterprises Ltd. Kiel "esperantigi" Stack Exchange? / How to "esperantize" Stack Exchange?

You don't. Invalid Pointer Error asked 2 years ago viewed 29990 times active 2 years ago Related 212How does free know how much to free?1Why does a perfectly fine free on a string cause “free(): invalid Not sure why0“Invalid write of size 1” and pointer has right memory address but still free throws error Hot Network Questions When do pilots actually use ‘wilco’? When you find yourself working on something like an AVR microcontroller as H2CO3 has, it is definitely worthwhile to note all the differences, which from my own experience with embedded systems,

Error In Free() Invalid Pointer C++

Reply 0 0 JeantheDream Top Student Posts: 5 Member Since: ‎09-07-2015 Message 7 of 8 (2,730 Views) Report Inappropriate Content Re: HP Updates causes invalid pointer issue. But after I run it, it says 'free(): invalid pointer: 0x0804d0f8 ***' I have read my codes several times, it seems there is no logical mistake. Free() Invalid Pointer C++ Browse other questions tagged c++ templates free abort or ask your own question. Free() Invalid Pointer Aborted (core Dumped) This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general.

Or you can modify the original string if you want (hint: char value 0 is the null terminator and tells functions like printf to stop reading the string). weblink When you call the function main, it sets aside some memory for your variables you've declared (p,token, and so on). Heap memory lives from when you malloc it to when you free it. We never figured out what Invalid Pointer Operation means, but at least our sensor is working. Glibc Free Invalid Pointer

The compiler will be taking unlimited revenge if you attempt to free it. The time now is 04:46 PM. The stack can be used only inside the function. navigate here HowStuffWorks Tech Tech Toggle navigation Follow us Facebook YouTube Twitter Pinterest NOW Adventure Animals Auto Culture Entertainment Health Home & Garden More Lifestyle Money Science Tech Video Shows Quizzes Lifestyle Money

Reason: spelling error Adv Reply June 19th, 2007 #3 Lux Perpetua View Profile View Forum Posts Private Message Skinny Soy Caramel Ubuntu Join Date Aug 2005 Location The Local Group Invalid Pointer Error In C From what I've read about the error, it's supposedly caused by freeing memory that you haven't malloc/calloc/realloc'd. Using Threads to create GameObjects Idiom for situation where you can either gain a lot or lose a lot How did Smith get to see Cypher alone?

here is my Stack.cpp: #ifndef _STACK_H #define _STACK_H #include #include #include "Node.cpp" template class Stack{ private: Node* mHead; public: Stack(); ~Stack(); void push(T data); }; template Stack::Stack(){

You can't free a portion of the block from the inside. Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content ‎09-10-2015 03:53 AM Unfortunately nothing from the above helped me out on My kids watch Youtube, how to monitor what they see? Attempt To Free Invalid Pointer What you probably want to do is assign the value of z to the object pointed to by p2: Code: *p2 = z; By the way, the comment on this line

Ubuntu Ubuntu Insights Planet Ubuntu Activity Page Please read before SSO login Advanced Search Forum The Ubuntu Forum Community Ubuntu Specialised Support Development & Programming Programming Talk What does it mean Tango Icons Tango Desktop Project. Testing this long verbose error message to check the behaviour More From The Stuff Network BrainStuff CarStuff Stuff Mom Never Told You Stuff of Genius Stuff They Don't Want You to his comment is here Even if you don't call 'free' yourself, deleting an object probably does.

We also tired using the "Write results to disk" at first, but it only gave us the same error. I'll fix that later. As a consequence of overwriting your p2 value, you also have a memory leak, because you have lost your pointer from malloc, and can't free it. -- Mats Compilers can produce Point well noted...I think I'm starting to get it.

This error message is followed by a backtrace and a memory map. This is valid provided that the constructor of Node does not set this field itself. –Vlad from Moscow May 26 '15 at 7:10 add a comment| Your Answer draft saved Valgrind reports i am leaking 8 bytes. Join them; it only takes a minute: Sign up glibc detected free() invalid pointer up vote 2 down vote favorite I'm having a bit of trouble with some dynamic memory allocation.

Not the answer you're looking for? Reply 0 0 MiKe-Dee Student Posts: 1 Member Since: ‎09-10-2015 Message 5 of 8 (2,780 Views) Report Inappropriate Content Re: HP Updates causes invalid pointer issue. Showing results for  Search instead for  Do you mean  or Post new question Post new question Question Reply Topic Options Subscribe Mark Topic as New Mark Topic as Read Float this int *ptr = &x; is fine. –ouah Nov 12 '13 at 22:47 Righto, thank you very much.

Login New Question Overview Unanswered Tags Users & Badges Back to www.paessler.com Intuitive to Use.Easy to manage. 150.000 administrators have chosen PRTG to monitor their network. Custom exception for string that is too long Hiccup a string Is there a way to have pi in a CSS calc? Furthermore, if this does not help, please enable the Write results to Disk option in the sensor settings and forward the results for further analysis. Right, I was trying to get p2 to be a pointer to z and get in some practice with malloc.

In Windows, what is Safe Mode used for and why? I missed the lecture on Dynamic Memory Allocation and evidently the slides wasn't enough to go on. –Lukas Nov 12 '13 at 22:50 add a comment| up vote 0 down vote We never figured out what Invalid Pointer Operation means, but at least our sensor is working. Thanks a lot. –user964491 Nov 30 '13 at 7:12 @user964491 (and you're welcome, but pretty please read the documentation next time!) –user529758 Nov 30 '13 at 7:13

Look up a C++ Reference and learn How To Ask Questions The Smart Way 01-23-2009 #3 matsp View Profile View Forum Posts Kernel hacker Join Date Jul 2007 Location Farncombe, Surrey,