dynamic-memory-allocation

How many bytes are dynamically allocated in the following code segment?

Assuming that a memory address occupies 4 bytes and a char occupies 1 byte: char** t; t = malloc(5 * sizeof(char*)); int i; for (i = 0; i < 5; i++) t[i] = malloc(sizeof(char) * (i+1)); ...

Can i create my own memory management to handle Cocoa Objects

In C and C++ i use the popular memory pool allocator. Where a huge chunk of memory is allocated and then all small objects are allocated inside it. When done everything is freed with a single call. I was able to speed up some bottlenecks my app by factor 10. Question is how can i do this with Cocoa? How can i overwrite the alloc method...

c++ std::vector Orphan Range error

A program dealing with graphs(from graph theory) representation and transformation.The adjacency list and matrix are implemented like dynamic arrays of vectors(don't ask why not vector of vector) for the following function program exits with memory error and compiler pointing to the orphan vector definition. int vertex,edges; vector<int...

Shouldn't this code crash

int *p; while(true) { p = new int; } Due to running out of memory space, shouldn't this code crash. I have tried printing out the value of p, that is the address of memory located for p, and it seems to increase yet there is no crashing. Why is this so? ...