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Diffstat (limited to 'sysdeps/unix/sysv/linux/gethostname.c')
-rw-r--r--sysdeps/unix/sysv/linux/gethostname.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/gethostname.c b/sysdeps/unix/sysv/linux/gethostname.c
new file mode 100644
index 0000000000..4b7720d414
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/gethostname.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1992, 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 <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/utsname.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
+__gethostname (name, len)
+     char *name;
+     size_t len;
+{
+  struct utsname buf;
+
+  if (name == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  if (uname (&buf))
+    return -1;
+
+  if (strlen (buf.nodename) + 1 > len)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  strcpy (name, buf.nodename);
+  return 0;
+}
+
+weak_alias (__gethostname, gethostname)