Sync with gnulib - lots of extraneous code removed in preference to GNU code

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 52 insertions, 0 deletions

diff --git a/gl/gethostname.c b/gl/gethostname.c
new file mode 100644
index 00000000..eedc40ec
--- /dev/null
+++ b/gl/gethostname.c
@@ -0,0 +1,52 @@
+/* gethostname emulation for SysV and POSIX.1.
+
+   Copyright (C) 1992, 2003, 2006 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* David MacKenzie <djm@gnu.ai.mit.edu> */
+
+#include <config.h>
+
+#ifdef HAVE_UNAME
+# include <sys/utsname.h>
+#endif
+
+/* Put up to LEN chars of the host name into NAME.
+   Null terminate it if the name is shorter than LEN.
+   Return 0 if ok, -1 if error.  */
+
+#include <stddef.h>
+
+int
+gethostname (char *name, size_t len)
+{
+#ifdef HAVE_UNAME
+  struct utsname uts;
+
+  if (uname (&uts) == -1)
+    return -1;
+  if (len > sizeof (uts.nodename))
+    {
+      /* More space than we need is available.  */
+      name[sizeof (uts.nodename)] = '\0';
+      len = sizeof (uts.nodename);
+    }
+  strncpy (name, uts.nodename, len);
+#else
+  strcpy (name, "");            /* Hardcode your system name if you want.  */
+#endif
+  return 0;
+}