Move the getdomainname() declaration to <unistd.h>.

[gnulib.git] / lib / unistd.in.h

diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 2ffca21..7a7983a 100644 (file)
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1,5 +1,5 @@
 /* Substitute for and wrapper around <unistd.h>.
-   Copyright (C) 2004-2008 Free Software Foundation, Inc.
+   Copyright (C) 2003-2008 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
@@ -220,6 +220,29 @@ extern char * getcwd (char *buf, size_t size);
 #endif
 
 
+#if @GNULIB_GETDOMAINNAME@
+/* Return the NIS domain name of the machine.
+   WARNING! The NIS domain name is unrelated to the fully qualified host name
+            of the machine.  It is also unrelated to email addresses.
+   WARNING! The NIS domain name is usually the empty string or "(none)" when
+            not using NIS.
+
+   Put up to LEN bytes of the NIS domain name into NAME.
+   Null terminate it if the name is shorter than LEN.
+   If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
+   Return 0 if successful, otherwise set errno and return -1.  */
+# if !@HAVE_GETDOMAINNAME@
+extern int getdomainname(char *name, size_t len);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getdomainname
+# define getdomainname(n,l) \
+    (GL_LINK_WARNING ("getdomainname is unportable - " \
+                      "use gnulib module getdomainname for portability"), \
+     getdomainname (n, l))
+#endif
+
+
 #if @GNULIB_GETDTABLESIZE@
 # if !@HAVE_GETDTABLESIZE@
 /* Return the maximum number of file descriptors in the current process.  */