[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/misc/insremque.c b/ap/libc/glibc/glibc-2.23/misc/insremque.c
new file mode 100644
index 0000000..cb435dc
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/misc/insremque.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1992-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <stddef.h>
+#include <search.h>
+
+/* Insert ELEM into a doubly-linked list, after PREV. */
+
+void
+insque (void *elem, void *prev)
+{
+ if (prev == NULL)
+ {
+ ((struct qelem *) elem)->q_forw = NULL;
+ ((struct qelem *) elem)->q_back = NULL;
+ }
+ else
+ {
+ struct qelem *next = ((struct qelem *) prev)->q_forw;
+ ((struct qelem *) prev)->q_forw = (struct qelem *) elem;
+ if (next != NULL)
+ next->q_back = (struct qelem *) elem;
+ ((struct qelem *) elem)->q_forw = next;
+ ((struct qelem *) elem)->q_back = (struct qelem *) prev;
+ }
+}
+
+/* Unlink ELEM from the doubly-linked list that it is in. */
+
+void
+remque (void *elem)
+{
+ struct qelem *next = ((struct qelem *) elem)->q_forw;
+ struct qelem *prev = ((struct qelem *) elem)->q_back;
+ if (next != NULL)
+ next->q_back = prev;
+ if (prev != NULL)
+ prev->q_forw = (struct qelem *) next;
+}