Check two test requirements for inetd.

ChangeLog

@@ -1,3 +1,9 @@
+2015-05-02  Mats Erik Andersson  <gnu@gisladisker.se>
+
+	* tests/inetd.sh (PASSWD, PWDDB, PROTOCOLS): New variables.
+	Check for system files required by `inetd'.  Skip test when
+	not found, which can happen in incomplete chroots.
+
 2015-04-17  Mats Erik Andersson  <gnu@gisladisker.se>
 
 	* ftpd/conf.c, ftpd/ftpd.c, ifconfig/system/bsd.c,

tests/inetd.sh

@@ -37,6 +37,30 @@ USER=${USER:-`func_id_user`}
 #
 $need_mktemp || exit_no_mktemp
 
+PASSWD=/etc/passwd
+PWDDB=/etc/pwd.db
+PROTOCOLS=/etc/protocols
+
+# Keep the following two tests separate for better diagnosis!
+#
+if test ! -r $PROTOCOLS; then
+    cat <<-EOT >&2
+	This test requires the availability of "$PROTOCOLS",
+	a file which can not be found in the current system.
+	Therefore skipping this test.
+	EOT
+    exit 77
+fi
+
+if test ! -r $PASSWD && test ! -r $PWDDB; then
+    cat <<-EOT >&2
+	This test requires availability of either "$PASSWD"
+	or "$PWDDB".  The requirement can not be met in the
+	current system.  Therefore skipping this test.
+	EOT
+    exit 77
+fi
+
 # Execution control.  Initialise early!
 #
 do_cleandir=false