[RFC][PATCH v2] Add reallocarray function.

Andreas Schwab schwab@suse.de
Tue May 20 08:19:00 GMT 2014


Rich Felker <dalias@libc.org> writes:

> Not really related to this patch, but I think the comment about
> __attribute_malloc__ that was copied from realloc is wrong. The new
> and old pointers cannot alias because, if realloc succeeds (and I
> would expect reallocarray to behave the same) the _value_ of the old
> pointer is indeterminate and accessing it (e.g. comparing it with new)
> invokes undefined behavior.

Please report that as a gcc bug (it doesn't mark it either).

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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