std::bad_alloc is the type of exception thrown when memory allocation fails in a C++ program
In C++ when operator new or std::allocator cannot allocate memory an exception of type std::bad_alloc will be thrown.
Questions tagged [bad-alloc]
265 questions
-2
votes
3 answers
Why this vector constructor throw std::bad_alloc exception?
#include
#include
using namespace std;
void test_bad_alloc(unsigned char *start) {
try {
vector v = vector(start + 1, start - 13);
}catch (bad_alloc) {
std::cout<<"bad alloc"<
Sichen Xu
- 1
- 2
-2
votes
2 answers
C++ vector std::bad_alloc error in a program
I was trying to sort a vector having user defined data type having two values, on the basis of one. But i get the error of bad_alloc. this is the code :
#include
#include
#include
using namespace std;
struct s{
int…
jasmeet
- 1
- 1
- 3
-2
votes
1 answer
va_arg causes std::bad_alloc
Whenever I run my program I get a std::bad_alloc exception thrown which causes an abort to occur. The std::bad_alloc ONLY gets thrown when va_arg is called. The odd thing is the code that crashes was provided by the instructor. I didn't write the…
Legion Daeth
- 329
- 1
- 5
- 15
-2
votes
1 answer
Why does the following code throw std::bad_alloc?
I have written code to test how many of the same numbers are present in both arrays, but for some reason it throws 'std::bad_alloc' could anyone explain why? It only throws it when N = 1000000 for some reason, is it because I have allocated 4000000…
Pavel
- 1
- 3
- 17
- 51
-3
votes
1 answer
terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc after pushing back into a vector
I'm facing a problem here, I've declared a pointer to a vector. After element insertion, it shows me this error
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Here is my code:
vector*…
-3
votes
1 answer
I cant' seem to catch this exception in C++
For some reason the program exits when executed while testing the handling of an exception. This is the class im using as the exception recipient
#ifndef _BADALLOC
#define _BADALLOC
#include
using namespace std;
class badalloc{
private:
…
cercio
- 41
- 5
-3
votes
1 answer
c++ bad alloc applicaition failure
I have a piece of code where I dynamically create some relatively big objects (14MB) and populate a vector with them (of size 260). I am getting a bad alloc exception which I am catching. The application is still usable after my first throw, then…
JiLight
- 3
- 2
-3
votes
3 answers
bad_alloc when creating 20k array
I have to do some kind of project and I'm stuck. I'm getting an bad_alloc error. I checked code a lot of times, tried to google some solutions, but still nothing, that's why I'm writing here.The thing is the program runs normally, but at the task…
Robs
- 153
- 2
- 10
-3
votes
1 answer
std::bad_alloc assigning a pointer from address of a reference
For whatever reason, I ended up with code that looked like this
typedef std::vector Vector;
void f(Vector const& v) {
Vector const* p;
p = &v;
}
This throws a bad_alloc exception at the point of assignment. Why? Does it matter that f…
pythonic metaphor
- 10,296
- 18
- 68
- 110
-5
votes
2 answers
C++ List of Objects code throwing std::bad_alloc
I am writing the following a program and i get the std::bad_alloc exception.
class A{
public:
int arr[5000];
A() {
for ( int i = 0; i < 5000; i++ ) {
arr[i] = 0;
}
}
};
int main() {
int cnt=0;
…
Codefather
- 27
- 1
- 9