This provides a generic way to transfer shifts from the left hand side
to the right hand range side of a relational expression when performing
transformations from the evaluation step.
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
src/evaluate.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/evaluate.c b/src/evaluate.c
index d62870a..0fcdb73 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -1073,6 +1073,18 @@ static int binop_transfer(struct eval_ctx *ctx, struct expr **expr)
if (binop_transfer_one(ctx, left, &(*expr)->right) < 0)
return -1;
break;
+ case EXPR_RANGE:
+ err = binop_can_transfer(ctx, left, (*expr)->right->left);
+ if (err <= 0)
+ return err;
+ err = binop_can_transfer(ctx, left, (*expr)->right->right);
+ if (err <= 0)
+ return err;
+ if (binop_transfer_one(ctx, left, &(*expr)->right->left) < 0)
+ return -1;
+ if (binop_transfer_one(ctx, left, &(*expr)->right->right) < 0)
+ return -1;
+ break;
case EXPR_SET:
list_for_each_entry(i, &(*expr)->right->expressions, list) {
err = binop_can_transfer(ctx, left, i);
--
2.1.4
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