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about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss stack overflow error windows xp Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How does a
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“stack overflow” occur and how do you prevent it? up vote 26 down vote favorite 10 How does a stack overflow occur and what are the best ways to make sure it doesn't happen, or ways to prevent one, particularly on web servers, but other examples would be interesting as well? memory stack-overflow share|improve this question edited Jul 29 at 17:46 Kapol 4,2592727 asked Aug stack overflow javascript error 25 '08 at 14:49 JasonMichael 88231621 add a comment| 9 Answers 9 active oldest votes up vote 42 down vote accepted Stack A stack, in this context, is the last in, first out buffer you place data while your program runs. Last in, first out (LIFO) means that the last thing you put in is always the first thing you get back out - if you push 2 items on the stack, 'A' and then 'B', then the first thing you pop off the stack will be 'B', and the next thing is 'A'. When you call a function in your code, the next instruction after the function call is stored on the stack, and any storage space that might be overwritten by the function call. The function you call might use up more stack for its own local variables. When it's done, it frees up the local variable stack space it used, then returns to the previous function. Stack overflow A stack overflow is when you've used up more memory for the stack than your program was supposed to use. In embedded systems you might only have 256 bytes for t
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company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags stack overflow error java Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes http://stackoverflow.com/questions/26158/how-does-a-stack-overflow-occur-and-how-do-you-prevent-it a minute: Sign up What are common causes of stack overflows in C and C++ programs? [duplicate] up vote 0 down vote favorite This question already has an answer here: How does a “stack overflow” occur and how do you prevent it? 9 answers What is causing a stack overflow? 6 answers I am trying to understand more about stack overflow, http://stackoverflow.com/questions/16690326/what-are-common-causes-of-stack-overflows-in-c-and-c-programs I keep getting descriptions about what it is but I want to understand the causes of it, hope you can help c++ c share|improve this question edited May 22 '13 at 11:19 unwind 253k38330460 asked May 22 '13 at 11:14 user2160949 4319 marked as duplicate by Magnus Hoff, WhozCraig, unwind, Mat, Benjamin Bannier May 22 '13 at 11:21 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. @Navnath it was an actual programming question about stack overflows, not about the website :) –Marc Claesen May 22 '13 at 11:16 9 void foo() { foo(); } –0123456789 May 22 '13 at 11:17 1 See stackoverflow.com/questions/26158/… & stackoverflow.com/questions/106298/… –devnull May 22 '13 at 11:18 1 Similar question: stackoverflow.com/questions/1858053/… –BenC May 22 '13 at 11:18 2 recursive, n. See recursive –devnull May 22 '13 at 11:19 | show 3 more comments 2 Answers 2 active oldest votes up vote 2 down vote accepted Declaring an array on the stack with too m
may consist of a limited amount of address space, often determined at the start of the program. The size of https://en.wikipedia.org/wiki/Stack_overflow the call stack depends on many factors, including the programming language, machine architecture, multi-threading, and amount of available memory. When a program attempts to use more space than is available on the call stack (that is, when it attempts to access memory beyond the call stack's bounds, which is essentially a buffer overflow), the stack stack overflow is said to overflow, typically resulting in a program crash.[1] Contents 1 Infinite recursion 2 Very deep recursion 3 Very large stack variables 4 See also 5 References 6 External links Infinite recursion[edit] Main article: Infinite recursion The most common cause of stack overflow is excessively deep or infinite recursion, in which a function calls itself stack overflow error so many times that the space needed to store the variables and information associated with each call is more than can fit on the stack.[2] An example of infinite recursion in C. int foo() { return foo(); } The function foo, when it is invoked, continues to invoke itself, allocating additional space on the stack each time, until the stack overflows resulting in a segmentation fault.[2] However, some compilers implement tail-call optimization, allowing infinite recursion of a specific sort—tail recursion—to occur without stack overflow. This works because tail-recursion calls do not take up additional stack space.[3] C compiler options will effectively enable tail-call optimization; compiling the above simple program using gcc with -O1 will result in a segmentation fault, but not when using -O2 or -O3, since these optimization levels imply the -foptimize-sibling-calls compiler option. Other languages, such as Scheme, require all implementations to include tail-recursion as part of the language standard.[4] Very deep recursion[edit] A recursive function that terminates in theory but caus