[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/sunrpc/rtime.c b/ap/libc/glibc/glibc-2.22/sunrpc/rtime.c
new file mode 100644
index 0000000..d224624
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/sunrpc/rtime.c
@@ -0,0 +1,144 @@
+/*
+ * 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.
+ */
+/*
+ * rtime - get time from remote machine
+ *
+ * gets time, obtaining value from host
+ * on the udp/time socket. Since timeserver returns
+ * with time of day in seconds since Jan 1, 1900, must
+ * subtract seconds before Jan 1, 1970 to get
+ * what unix uses.
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <rpc/rpc.h>
+#include <rpc/clnt.h>
+#include <sys/types.h>
+#include <sys/poll.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <rpc/auth_des.h>
+#include <errno.h>
+#include <netinet/in.h>
+
+#define NYEARS (u_long)(1970 - 1900)
+#define TOFFSET (u_long)(60*60*24*(365*NYEARS + (NYEARS/4)))
+
+static void do_close (int);
+
+static void
+do_close (int s)
+{
+ int save;
+
+ save = errno;
+ __close (s);
+ __set_errno (save);
+}
+
+int
+rtime (struct sockaddr_in *addrp, struct rpc_timeval *timep,
+ struct rpc_timeval *timeout)
+{
+ int s;
+ struct pollfd fd;
+ int milliseconds;
+ int res;
+ /* RFC 868 says the time is transmitted as a 32-bit value. */
+ uint32_t thetime;
+ struct sockaddr_in from;
+ socklen_t fromlen;
+ int type;
+
+ if (timeout == NULL)
+ type = SOCK_STREAM;
+ else
+ type = SOCK_DGRAM;
+
+ s = __socket (AF_INET, type, 0);
+ if (s < 0)
+ return (-1);
+
+ addrp->sin_family = AF_INET;
+ addrp->sin_port = htons (IPPORT_TIMESERVER);
+ if (type == SOCK_DGRAM)
+ {
+ res = __sendto (s, (char *) &thetime, sizeof (thetime), 0,
+ (struct sockaddr *) addrp, sizeof (*addrp));
+ if (res < 0)
+ {
+ do_close (s);
+ return -1;
+ }
+ milliseconds = (timeout->tv_sec * 1000) + (timeout->tv_usec / 1000);
+ fd.fd = s;
+ fd.events = POLLIN;
+ do
+ res = __poll (&fd, 1, milliseconds);
+ while (res < 0 && errno == EINTR);
+ if (res <= 0)
+ {
+ if (res == 0)
+ __set_errno (ETIMEDOUT);
+ do_close (s);
+ return (-1);
+ }
+ fromlen = sizeof (from);
+ res = __recvfrom (s, (char *) &thetime, sizeof (thetime), 0,
+ (struct sockaddr *) &from, &fromlen);
+ do_close (s);
+ if (res < 0)
+ return -1;
+ }
+ else
+ {
+ if (__connect (s, (struct sockaddr *) addrp, sizeof (*addrp)) < 0)
+ {
+ do_close (s);
+ return -1;
+ }
+ res = __read (s, (char *) &thetime, sizeof (thetime));
+ do_close (s);
+ if (res < 0)
+ return (-1);
+ }
+ if (res != sizeof (thetime))
+ {
+ __set_errno (EIO);
+ return -1;
+ }
+ thetime = ntohl (thetime);
+ timep->tv_sec = thetime - TOFFSET;
+ timep->tv_usec = 0;
+ return 0;
+}
+libc_hidden_nolink_sunrpc (rtime, GLIBC_2_1)