[PATCH nft] expression: fix output of verdict maps

[Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>]

% nft list table filter
table ip filter {
	...
	chain output {
		...
		ip saddr map { 1.1.1.1 => accept}
	}
}

It displays 'map' instead of 'vmap'. Fix it by checking the mapping
type in map_expr_print().

Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 src/expression.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/expression.c b/src/expression.c
index 71154cc..97481d0 100644
--- a/src/expression.c
+++ b/src/expression.c
@@ -689,7 +689,11 @@ struct expr *mapping_expr_alloc(const struct location *loc,
 static void map_expr_print(const struct expr *expr)
 {
 	expr_print(expr->map);
-	printf(" map ");
+	if (expr->mappings->ops->type == EXPR_SET_REF &&
+	    expr->mappings->set->datatype->type == TYPE_VERDICT)
+		printf(" vmap ");
+	else
+		printf(" map ");
 	expr_print(expr->mappings);
 }
 
-- 
1.7.10.4

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