string: Add (x)memdup
It's a common task to duplicate some memory. Add (x)memdup functions.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent b0cd10f commit 54f55d79d92986477c08791fe8cbdef32e3eae6f
@Sascha Hauer Sascha Hauer authored on 25 Nov 2013
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include/string.h
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include/xfuncs.h
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lib/string.c
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lib/xfuncs.c