evaluate: check variadic argument types against format stringformat-check

The variadic argument code did not check any of the variadic arguments
as it did not previously know the possible type. Now we have the possible
formatting information stored in the ctype, we can do some checks on the
printf formatting types.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/builtin.c b/builtin.c
index 26b612dc..ce9de28f 100644
--- a/builtin.c
+++ b/builtin.c
@@ -396,7 +396,7 @@ static int eval_sync_compare_and_swap(struct expression *expr)
 
 	if (!expr->ctype)	// __sync_val_compare_and_swap()
 		expr->ctype = ctype;
-	return evaluate_arguments(types, expr->args);
+	return evaluate_arguments(NULL, types, expr->args);
 
 err:
 	sparse_error(arg->pos, "invalid type for argument %d:", n);