Table of Contents
- 1 How is a stack overflow generated?
- 2 What is a stack overflow in programming?
- 3 What is a stack overflow C++?
- 4 Where do I find stack overflow?
- 5 How can we minimize the stack overflow?
- 6 Why do people contribute to Stack Overflow?
- 7 Is it possible to generate a random number in C?
- 8 What is an overflow of stack in C++?
- 9 How do I find the current stack space of a program?
How is a stack overflow generated?
The most-common cause of stack overflow is excessively deep or infinite recursion, in which a function calls itself 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.
What is a stack overflow in programming?
A stack overflow is an undesirable condition in which a particular computer program tries to use more memory space than the call stack has available. When a stack overflow occurs as a result of a program’s excessive demand for memory space, that program (and sometimes the entire computer) may crash.
How do I contribute to stack overflow?
How to contribute?
- You can improve the quality of a post.
- Ask good questions that have not already been asked.
- Answer question about a topic that you are knowledgeable.
- Upvote questions and answers that helped you.
- Downvote but, do not forget to share your reasons.
- Leave helpful comments.
- Vote in the community election.
What is a stack overflow C++?
Definition. A stack overflow is a run-time software bug when a program attempts to use more space than is available on the run-time stack, which typically results in a program crash.
Where do I find stack overflow?
A method of detecting stack overflows is to create a canary space at the end of each task. This space is filled with some known data. If this data is ever modified, then the application has written past the end of the stack.
What happened stack overflow?
The legendary Q&A website for programmers (and probably one of the most copy-and-pasted sites on the internet) Stack Overflow is being acquired.
How can we minimize the stack overflow?
One method to prevent stack overflow is to track the stack pointer with test and measurement methods. Use timer interrupts that periodically check the location of the stack pointer, record the largest value, and watch that it does not grow beyond that value.
Why do people contribute to Stack Overflow?
Millions of programmers (probably close to all of us) use Stack Overflow to find solutions from previously asked questions. So if you answer a question, you are helping many people in addition to the original asker. That just feels good.
How do I know if I have stack overflow?
How can I recognize when the stack overflows? If you know the stack size, where the stack starts and the direction it grows in memory, you can simply check the address of the stack pointer and see if it past the end of the stack.
Is it possible to generate a random number in C?
No, the C standard library uses a PRNG (pseudorandom number generator). You will never get true random numbers. You can, however, seed it with something that changes more frequently than time (), for example, on POSIX:
What is an overflow of stack in C++?
If we declare large number of local variables or declare an array or matrix or any higher dimensional array of large size can result in overflow of stack. If function recursively call itself infinite times then the stack is unable to store large number of local variables used by every function call and will result in overflow of stack.
How do you allocate memory in C programming?
These variables are allocated using malloc () and calloc () functions and resize using realloc () function, which are inbuilt functions of C. These variables can be accessed globally and once we allocate memory on heap it is our responsibility to free that memory space after use.
How do I find the current stack space of a program?
First use the k command to look at the stack. Then use the u, ub, uu (Unassemble) command to look at the assembler code at that address. This shows that Header_Draw allocated 0x58 bytes of stack space. The r (Registers) command provides information on the current contents of the registers, such as esp.