This is a discussion on Dynamic array sizing causes crash within the C++ Programming forums, part of the General Programming Boards category; I'm trying to allocate memory to my array but I get a crash. int *cellWidth; int cols = 50; cellWidth=(int*)malloc(sizeof(int)*cols); ...
I'm trying to allocate memory to my array but I get a crash.
int *cellWidth;
int cols = 50;
cellWidth=(int*)malloc(sizeof(int)*cols);
That's a pretty trimmed up version of my source, only the relevant lines out of it.
Anways I get a crash on XP pro, I gather it's a simple problem I tend to crash my programs with these memory things all the time but never really understood half of them except for the ones that go out of array bounds.
int *cellWidth;
int cols = 50;
cellWidth = new int[cols];
(brackets or parenthesis, i forget, but that hsould be right. unless im missing something)
The first is really something in C (though, C++ has it as well), the second C++. I think your crash is elsewhere.
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*smacks head* thanks Zach, I did exactly the same thing with my 2d arrayI was setting the variable before I had sized it which was causing the crash.
Cheers to you also revelation!
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