[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sunrpc/bindrsvprt.c b/ap/libc/glibc/glibc-2.23/sunrpc/bindrsvprt.c
new file mode 100644
index 0000000..13bcb27
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sunrpc/bindrsvprt.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ * * Neither the name of the "Oracle America, Inc." nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <libc-lock.h>
+
+/*
+ * Locks the static variables in this file.
+ */
+__libc_lock_define_initialized (static, lock);
+
+/*
+ * Bind a socket to a privileged IP port
+ */
+int
+bindresvport (int sd, struct sockaddr_in *sin)
+{
+ static short port;
+ struct sockaddr_in myaddr;
+ int i;
+
+#define STARTPORT 600
+#define LOWPORT 512
+#define ENDPORT (IPPORT_RESERVED - 1)
+#define NPORTS (ENDPORT - STARTPORT + 1)
+ static short startport = STARTPORT;
+
+ if (sin == (struct sockaddr_in *) 0)
+ {
+ sin = &myaddr;
+ __bzero (sin, sizeof (*sin));
+ sin->sin_family = AF_INET;
+ }
+ else if (sin->sin_family != AF_INET)
+ {
+ __set_errno (EAFNOSUPPORT);
+ return -1;
+ }
+
+ if (port == 0)
+ {
+ port = (__getpid () % NPORTS) + STARTPORT;
+ }
+
+ /* Initialize to make gcc happy. */
+ int res = -1;
+
+ int nports = ENDPORT - startport + 1;
+ int endport = ENDPORT;
+
+ __libc_lock_lock (lock);
+
+ again:
+ for (i = 0; i < nports; ++i)
+ {
+ sin->sin_port = htons (port++);
+ if (port > endport)
+ port = startport;
+ res = __bind (sd, sin, sizeof (struct sockaddr_in));
+ if (res >= 0 || errno != EADDRINUSE)
+ break;
+ }
+
+ if (i == nports && startport != LOWPORT)
+ {
+ startport = LOWPORT;
+ endport = STARTPORT - 1;
+ nports = STARTPORT - LOWPORT;
+ port = LOWPORT + port % (STARTPORT - LOWPORT);
+ goto again;
+ }
+
+ __libc_lock_unlock (lock);
+
+ return res;
+}
+libc_hidden_def (bindresvport)