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/freebsd-9.3-release/bin/sh/
H A Dinput.cdiff 239542 Tue Aug 21 19:54:52 MDT 2012 pfg MFC r238377:

Merge libedit adjustment from NetBSD.

On recent versions of NetBSD's libedit, el_gets
now sets el_len to -1 on error so we can
distinguish between a NULL string and an error.

This fixes sh from exiting with newer versions
of libedit now allowing EINTR to return.

Obtained from: NetBSD
Reviewed by: jilles
MFC after: 3 weeks

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