about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/mach/hurd/getsockopt.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/getsockopt.c')
-rw-r--r--REORG.TODO/sysdeps/mach/hurd/getsockopt.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getsockopt.c b/REORG.TODO/sysdeps/mach/hurd/getsockopt.c
new file mode 100644
index 0000000000..9974b61ef5
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/getsockopt.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 1992-2017 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 <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/socket.h>
+#include <string.h>
+
+/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
+   into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
+   actual length.  Returns 0 on success, -1 for errors.  */
+
+/* XXX should be __getsockopt ? */
+int
+getsockopt (int fd,
+	    int level,
+	    int optname,
+	    void *optval,
+	    socklen_t *optlen)
+{
+  error_t err;
+  char *buf = optval;
+  mach_msg_type_number_t buflen = *optlen;
+
+  if (err = HURD_DPORT_USE (fd, __socket_getopt (port,
+						 level, optname,
+						 &buf, &buflen)))
+    return __hurd_dfail (fd, err);
+
+  if (*optlen > buflen)
+    *optlen = buflen;
+  if (buf != optval)
+    {
+      memcpy (optval, buf, *optlen);
+      __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
+    }
+
+  return 0;
+}