getaddrinfo: Use &h_errno has the h_errno pointer

This simplifies the code because it is not necessary to propagate the
temporary h_errno value to the thread-local variable.  It also increases
compatibility with NSS modules which update only one of the two places.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 28076c6379..4d8c6f6744 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2017-09-01  Florian Weimer  <fweimer@redhat.com>
 
+	* sysdeps/posix/getaddrinfo.c (gethosts): Use h_errno directly.
+	(getcanonname): Likewise.
+	(gaih_inet): Likewise.
+
+2017-09-01  Florian Weimer  <fweimer@redhat.com>
+
 	* sysdeps/posix/getaddrinfo.c (gethosts): Use errno directly.
 	(getcanonname): Likewise.
 	(gaih_inet): Likewise.