From a1cb7f9efc40b35e610e266ef1e5e5e4e2d4ef07 Mon Sep 17 00:00:00 2001
From: hofmockel <dreagonfly@gmx.de>
Date: Tue, 21 Jan 2014 17:34:01 +0100
Subject: [PATCH] Raise error if offset+size is too big
---
rocksdb/_rocksdb.pyx | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/rocksdb/_rocksdb.pyx b/rocksdb/_rocksdb.pyx
index 134cdb3..dfd72db 100644
--- a/rocksdb/_rocksdb.pyx
+++ b/rocksdb/_rocksdb.pyx
@@ -464,6 +464,10 @@ cdef Slice slice_transform_callback(void* ctx, const Slice& src) with gil:
ret = (<object>ctx).transform(slice_to_bytes(src))
offset = ret[0]
size = ret[1]
+ if (offset + size) > src.size():
+ msg = "offset(%i) + size(%i) is bigger than slice(%i)"
+ raise Exception(msg % (offset, size, src.size()))
+
return Slice(src.data() + offset, size)
except Exception as error:
print error
--
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