Re: Can I Trust Pointer Arithmetic In Re-Allocated Memory?

"Bill Reid" <hormelfree@xxxxxxxxxxxxxxxx> writes:
[...]
As an orthogonal point, what horrible things happen if you try
to free() a NULL pointer?

Nothing; free(NULL) is guaranteed to be a no-op.

Either your system's documentation or any decent C textbook should
tell you this. Failing that, you can download a copy of the latest
draft of the C standard; search for "n1124.pdf".

--
Keith Thompson (The_Other_Keith) kst-u@xxxxxxx <http://www.ghoti.net/~kst>
San Diego Supercomputer Center <*> <http://users.sdsc.edu/~kst>
We must do something. This is something. Therefore, we must do this.
.

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