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authorFlorian Weimer <fweimer@redhat.com>2021-07-19 07:55:27 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-07-19 07:56:21 +0200
commit640bbdf71c6f10ac26252ac67a22902e26657bd8 (patch)
tree227d6260dda188bdc22f2d9a6b52acd77c3d68b7 /include
parent13e1f86706e463de4429f7e88f47c6ff65cd845e (diff)
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resolv: Move dn_expand to its own file and into libc
And reformat to GNU style.

This switches back to the dn_expand name for the ABI symbol and turns
__dn_expand into a compatibility symbol.  With the improved namespace
management in current glibc, it is no longer necessary to use a
private namespace symbol.  To avoid old code binding to a
GLIBC_PRIVATE symbol by accident, use __libc_dn_expand for the
internal symbol name.

The symbols dn_expand, __dnexpand were moved using
scripts/move-symbol-to-libc.py, followed by an adjustment to make
dn_expand the only GLIBC_2.34 symbol.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/resolv.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/resolv.h b/include/resolv.h
index daf4a74777..44fc0c346f 100644
--- a/include/resolv.h
+++ b/include/resolv.h
@@ -44,7 +44,6 @@ libresolv_hidden_proto (_sethtent)
 libresolv_hidden_proto (_gethtent)
 libresolv_hidden_proto (_gethtbyaddr)
 libresolv_hidden_proto (_gethtbyname2)
-libresolv_hidden_proto (__dn_expand)
 libresolv_hidden_proto (__dn_comp)
 libresolv_hidden_proto (__dn_skipname)
 libresolv_hidden_proto (__res_hnok)
@@ -66,5 +65,8 @@ libresolv_hidden_proto (__res_queriesmatch)
 libresolv_hidden_proto (__b64_ntop)
 libresolv_hidden_proto (__dn_count_labels)
 
+extern __typeof (dn_expand) __libc_dn_expand;
+libc_hidden_proto (__libc_dn_expand)
+
 # endif /* _RESOLV_H_ && !_ISOMAC */
 #endif