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Questions and Answers
Which C standard library functions are used for dynamic memory allocation?
In which situations using new/delete is not applicable for dynamic memory allocation?
What is the recommended alternative to new/delete in C++ for situations where they are not applicable?
Where are static-duration variables allocated?
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What type of variables are allocated on the stack and come and go as functions are called and return?
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Study Notes
Dynamic Memory Allocation
- The C standard library functions used for dynamic memory allocation are
malloc,calloc,realloc, andfree.
Limitations of new/delete
-
newanddeleteare not applicable in situations where the exact size of the memory to be allocated is not known until runtime. - They are also not applicable in C programming.
Alternative to new/delete
- The recommended alternative to
newanddeletein C++ for situations where they are not applicable is to usemalloc,calloc,realloc, andfreefrom the C standard library.
Memory Allocation
- Static-duration variables are allocated in the data segment of the program's memory.
- Automatic variables are allocated on the stack and come and go as functions are called and return.
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Description
Test your knowledge of manual memory management for dynamic memory allocation in C, including functions like malloc, realloc, calloc, aligned_alloc, and free. Explore scenarios where new/delete may not be applicable in C++.
