Resize A String Stored In Dynamically Allocated Memory | C Programming Tutorial

How to resize a string stored in dynamically allocated memory using C. Source code: github.com/por.... Check out www.portfolioc... to build a portfolio that will impress employers!

[@PortfolioCourses]

Note: realloc() could fail, this video explains how to handle it: ruclips.net/video/skqCnhhA0ZY/видео.html. 🙂 Also note that when using dynamically allocated memory we should use free() after we are done using it, this won't matter in a small teach-a-concept demonstration like this, but in real large program it can cause a memory leak!

[@fifaham]

Thank you, Kevin.

[@dimitrioskalfakis]

sure, but if it returns NULL would it not be better to store the return address to a different pointer and then determine if string will point to it? this happens more often than one would think in small embedded chips.

[@bugurme1]

in that case you don't want to use realloc? just manually malloc new space and free old space?

[@dimitrioskalfakis]

@@bugurme1 realloc with a NULL argument amounts to the same thing. i am saying that checking for NULL is important. you can not avoid fragmentation as long as you deal with heap instead of stack.

[@PortfolioCourses]

Yeah this video is intended for beginners, if anyone wants to learn more about handling realloc failures check out this video covering the topic: ruclips.net/video/skqCnhhA0ZY/видео.html