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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/getsockname.c
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
initial import
Diffstat (limited to 'sysdeps/mach/hurd/getsockname.c')
-rw-r--r--sysdeps/mach/hurd/getsockname.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/getsockname.c b/sysdeps/mach/hurd/getsockname.c
new file mode 100644
index 0000000000..5a9182b4fc
--- /dev/null
+++ b/sysdeps/mach/hurd/getsockname.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1992, 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/socket.h>
+#include <string.h>
+
+/* Put the local address of FD into *ADDR and its length in *LEN. */
+int
+DEFUN(getsockname, (fd, addr, len),
+ int fd AND struct sockaddr *addr AND size_t *len)
+{
+ error_t err;
+ char *buf = (char *) addr;
+ mach_msg_type_number_t buflen = *len;
+ int type;
+ addr_port_t aport;
+
+ if (err = HURD_DPORT_USE (fd, __socket_name (port, &aport)))
+ return __hurd_dfail (fd, err);
+
+ err = __socket_whatis_address (aport, &type, &buf, &buflen);
+ __mach_port_deallocate (__mach_task_self (), aport);
+
+ if (err)
+ return __hurd_dfail (fd, err);
+
+ if (buf != (char *) addr)
+ {
+ if (*len < buflen)
+ *len = buflen;
+ memcpy (addr, buf, *len);
+ __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
+ }
+
+ addr->sa_family = type;
+
+ return 0;
+}