liboconfig: Allow the argument list of blocks to be empty.

This way the `<Threshold>' block doesn't need a bogus argument just to make the
parser happy.

diff --git a/src/liboconfig/parser.y b/src/liboconfig/parser.y
index ea6ed0a..837b650 100644 (file)
--- a/src/liboconfig/parser.y
+++ b/src/liboconfig/parser.y
@@ -108,6 +108,12 @@ option:
        ;
 
 block_begin:
+       OPENBRAC identifier CLOSEBRAC EOL
+       {
+        memset (&$$, '\0', sizeof ($$));
+        $$.key = $2;
+       }
+       |
        OPENBRAC identifier argument_list CLOSEBRAC EOL
        {
         memset (&$$, '\0', sizeof ($$));
@@ -150,7 +156,7 @@ statement_list:
        statement_list statement
        {
         $$ = $1;
-        if ($2.values_num > 0)
+        if (($2.values_num > 0) || ($2.children_num > 0))
         {
                 $$.statement_num++;
                 $$.statement = realloc ($$.statement, $$.statement_num * sizeof (oconfig_item_t));
@@ -159,7 +165,7 @@ statement_list:
        }
        | statement
        {
-        if ($1.values_num > 0)
+        if (($1.values_num > 0) || ($1.children_num > 0))
         {
                 $$.statement = malloc (sizeof (oconfig_item_t));
                 $$.statement[0] = $1;