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Diffstat (limited to 'sysdeps/mach/hurd/gethostname.c')
-rw-r--r--sysdeps/mach/hurd/gethostname.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/gethostname.c b/sysdeps/mach/hurd/gethostname.c
new file mode 100644
index 0000000000..94a0537d91
--- /dev/null
+++ b/sysdeps/mach/hurd/gethostname.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 <unistd.h>
+#include <hurd.h>
+#include <hurd/port.h>
+#include <string.h>
+
+/* Put the name of the current host in no more than LEN bytes of NAME.
+   The result is null-terminated if LEN is large enough for the full
+   name and the terminator.  */
+int
+DEFUN(__gethostname, (name, len),
+      char *name AND size_t len)
+{
+  error_t err;
+  char *buf = name;
+  mach_msg_type_number_t buflen = len;
+  if (err = __USEPORT (PROC, __proc_gethostname (port, &buf, &buflen)))
+    return __hurd_fail (err);
+  if (buf != name)
+    {
+      memcpy (name, buf, len < buflen ? len : buflen);
+      __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
+    }
+  if (buflen > len)
+    return __hurd_fail (ENAMETOOLONG);
+  return 0;
+}
+
+weak_alias (__gethostname, gethostname)