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authorFlorian Weimer <fweimer@redhat.com>2016-05-02 15:25:20 +0200
committerFlorian Weimer <fweimer@redhat.com>2016-05-02 15:25:20 +0200
commit5018f16c6205404ba3aa7298dc8a3d45fbd46bfc (patch)
tree5d78047ea2ee964b7874be218fa9c9e91b18f420 /po
parent46cb402c6d621ef89b23fa61247faf623e8fb306 (diff)
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hesiod: Always use thread-local resolver state [BZ #19573]
The Hesiod implementation imported into glibc was enhanced
to support caller-supplied resolver states.  But its only
consumer is nss_hesiod, and it supplies the thread-local
resolver state.  Therefore, this commit changes the Hesiod
implementation to use the thread-local resolver state (_res)
directly.  This fixes bug 19573 because the Hesiod
implementation no longer has to initialize and free any
resolver state.

To avoid any risk of interposition of ABI-incompatible Hesiod
function implementations, this commit marks the Hesiod functions
as hidden.  (They were already hidden using a linker version
script.)
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