Re: realloc() - frequency, conditions, or experiences about relocation?

Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:

Suppose you do something like:
>
    some_type *p = malloc(BIG_VALUE);
    // ...
    p = realloc(p, SMALL_VALUE);
>
...  If realloc() succeeds and *does* relocate the object, p
still points to memory that has now been deallocated, and you don't have
a pointer to the newly allocated memory.

Surely some mistake?

However, such self-assignments are bad for the reasons you state later;
verify, then update.

Phil
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