[PATCH] Implement and use an xstrdup() function

[David Gibson]

On Fri, Oct 03, 2008 at 12:15:08PM -0500, Jon Loeliger wrote:
> Many places in dtc use strdup(), but none of them actually check the
> return value to see if the implied allocation succeeded.  This is a
> potential bug, which we fix in the patch below by replacing strdup()
> with an xstrdup() which in analogy to xmalloc() will quit with a fatal
> error if the allocation fails.
> 
> I felt the introduciton of util.[ch] was a better choice
> for utility oriented code than directly using srcpos.c
> for the new string function.

Fair enough.  Now that we have a util.c, we should move die() and
xmalloc() in there as well which are currently duplicated between dtc
and convert-dtsv0.

> This patch is a re-factoring of Dave Gibson's similar patch.
> 
> Signed-off-by: Jon Loeliger <jdl at freescale.com>

Acked-by: David Gibson <david at gibson.dropbear.id.au>

-- 
David Gibson			| I'll have my music baroque, and my code
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				| _way_ _around_!
http://www.ozlabs.org/~dgibson