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Q&A

Posts tagged null-pointer

About questions related to pointers reserved value indicating a not-set or invalid object.

This tag doesn't have a detailed wiki yet.

86%
+11 −0
Q&A Should I check if pointer parameters are null pointers?

When writing any form of custom function such as this: void func (int* a, int* b) Should I add code to check if a and b are null pointers or not? if(a == NULL) /* error handling */ When po...

4 answers  ·  posted 8mo ago by Lundin‭  ·  last activity 8mo ago by Dirk Herrmann‭

62%
+3 −1
Q&A What's the difference between null pointers and NULL?

Someone told me that I shouldn't write "NULL pointer" with capital letters, because a null pointer and NULL are different terms. And that NULL is a "null pointer constant". What's the meaning of th...

3 answers  ·  posted 2y ago by Lundin‭  ·  last activity 2y ago by EJP‭

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