Fix a bug in IterKey

Summary: IterKey set buffer_size_ to a wrong initial value, causing it to always allocate values from heap instead of stack if the key size is smaller. Fix it.

Test Plan: make all check

Reviewers: haobo, ljin

Reviewed By: haobo

CC: igor, dhruba, yhchiang, leveldb
Differential Revision: https://reviews.facebook.net/D18279

diff --git a/db/dbformat.h b/db/dbformat.h
index 2bddd3f5681bc0d0d5c33f1cb635d991db921434..05adbd6561b78dd840adeebe7d1eda953a1101a1 100644 (file)
--- a/db/dbformat.h
+++ b/db/dbformat.h
@@ -277,7 +277,7 @@ class IterKey {
       delete[] key_;
     }
     key_ = space_;
-    buf_size_ = sizeof(buf_size_);
+    buf_size_ = sizeof(space_);
     key_size_ = 0;
   }