MSP430FR2355: returning pointer to local variable in function call with return pointer Arsen Norman Prodigy10points Part Number:MSP430FR2355 Hello, I'm trying to create a function call with return poin...
What's the obvious rule about returning a local value, be it a normal variable or pointer, from a function? Also, please take a look at this code: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 #include <iostream>usingnamespacestd;int* f() {inti = 6;int* p = &i;returnp; ...
You can not return a pointer which points to a local variable! 'poutine' is out of scope when you return from the routine. so 'q' is points an in-valid location. If you allocate 'poutine' as global variable, it should work. When it is defined locally, you can tre...
Binding WPF Datagrid's row color to a variable property of an item inside an observable collection Binding-Array-XAML Bitmap<->BitmapImage conversion BitmapImage from Embedded Resource BitmapImage Memory Leak BitMapImage's Height and Width differs from PixelHeight and PixelWidth blink an image usi...
Conceptual stuff aside, I think there is a leak in your code. You allocate the memory whose address you assign to ptr, but never free it. You also return pointer to ptr, but ptr is a local variable and its lifetime expires at the closing brace of strtok. So, you will return a dang...
When returning a reference, be careful that the object being referred to does not go out of scope. So it is not legal to return a reference to local var. But you can always return a reference on a static variable. int&func() {intq;//! return q;//Compile time errorstaticintx;retur...
getName() }; // reference becomes dangling when return value of createEmployee() is destroyed std::cout << ref; // undefined behavior // Case 3: okay: copy referenced value to local variable for use later std::string val { createEmployee("Hans").getName() }; // makes copy of ...
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