Prepare for radical source tree reorganization.zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 100 insertions, 0 deletions

diff --git a/REORG.TODO/sysdeps/mach/hurd/sendto.c b/REORG.TODO/sysdeps/mach/hurd/sendto.c
new file mode 100644
index 0000000000..326999d27b
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/sendto.c
@@ -0,0 +1,100 @@
+/* Copyright (C) 1994-2017 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 <errno.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/ifsock.h>
+#include <hurd/socket.h>
+#include "hurd/hurdsocket.h"
+
+/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
+   ADDR_LEN bytes long).  Returns the number sent, or -1 for errors.  */
+ssize_t
+__sendto (int fd,
+	  const void *buf,
+	  size_t n,
+	  int flags,
+	  const struct sockaddr_un *addr,
+	  socklen_t addr_len)
+{
+  addr_port_t aport = MACH_PORT_NULL;
+  error_t err;
+  size_t wrote;
+
+  /* Get an address port for the desired destination address.  */
+  error_t create_address_port (io_t port,
+			       const struct sockaddr_un *addr,
+			       socklen_t addr_len,
+			       addr_port_t *aport)
+    {
+      error_t err_port;
+
+      if (addr->sun_family == AF_LOCAL)
+	{
+	  char *name = _hurd_sun_path_dupa (addr, addr_len);
+	  /* For the local domain, we must look up the name as a file and talk
+	     to it with the ifsock protocol.  */
+	  file_t file = __file_name_lookup (name, 0, 0);
+	  if (file == MACH_PORT_NULL)
+	    return errno;
+	  err_port = __ifsock_getsockaddr (file, aport);
+	  __mach_port_deallocate (__mach_task_self (), file);
+	  if (err_port == MIG_BAD_ID || err_port == EOPNOTSUPP)
+	    /* The file did not grok the ifsock protocol.  */
+	    err_port = ENOTSOCK;
+	}
+      else
+	{
+	  err_port = __socket_create_address (port,
+					      addr->sun_family,
+					      (char *) addr,
+					      addr_len,
+					      aport);
+	}
+
+      return err_port;
+    }
+
+  err = HURD_DPORT_USE (fd,
+			({
+			  if (addr != NULL)
+			    err = create_address_port (port, addr, addr_len,
+						       &aport);
+			  else
+			    err = 0;
+			  if (! err)
+			    {
+			      /* Send the data.  */
+			      err = __socket_send (port, aport,
+						   flags, buf, n,
+						   NULL,
+						   MACH_MSG_TYPE_COPY_SEND, 0,
+						   NULL, 0, &wrote);
+			    }
+			  err;
+			}));
+
+  if (aport != MACH_PORT_NULL)
+    __mach_port_deallocate (__mach_task_self (), aport);
+
+  return err ? __hurd_sockfail (fd, flags, err) : wrote;
+}
+
+weak_alias (__sendto, sendto)