From 3725179736e2b5372664163470e7ef3dc76529a4 Mon Sep 17 00:00:00 2001
From: Sfan5 <sfan5@live.de>
Date: Mon, 9 Sep 2013 22:46:18 +0200
Subject: Use system-wide LevelDB instead of bundled one

---
 src/leveldb/util/arena.cc | 68 -----------------------------------------------
 1 file changed, 68 deletions(-)
 delete mode 100644 src/leveldb/util/arena.cc

(limited to 'src/leveldb/util/arena.cc')

diff --git a/src/leveldb/util/arena.cc b/src/leveldb/util/arena.cc
deleted file mode 100644
index 9551d6a3a..000000000
--- a/src/leveldb/util/arena.cc
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#include "util/arena.h"
-#include <assert.h>
-
-namespace leveldb {
-
-static const int kBlockSize = 4096;
-
-Arena::Arena() {
-  blocks_memory_ = 0;
-  alloc_ptr_ = NULL;  // First allocation will allocate a block
-  alloc_bytes_remaining_ = 0;
-}
-
-Arena::~Arena() {
-  for (size_t i = 0; i < blocks_.size(); i++) {
-    delete[] blocks_[i];
-  }
-}
-
-char* Arena::AllocateFallback(size_t bytes) {
-  if (bytes > kBlockSize / 4) {
-    // Object is more than a quarter of our block size.  Allocate it separately
-    // to avoid wasting too much space in leftover bytes.
-    char* result = AllocateNewBlock(bytes);
-    return result;
-  }
-
-  // We waste the remaining space in the current block.
-  alloc_ptr_ = AllocateNewBlock(kBlockSize);
-  alloc_bytes_remaining_ = kBlockSize;
-
-  char* result = alloc_ptr_;
-  alloc_ptr_ += bytes;
-  alloc_bytes_remaining_ -= bytes;
-  return result;
-}
-
-char* Arena::AllocateAligned(size_t bytes) {
-  const int align = sizeof(void*);    // We'll align to pointer size
-  assert((align & (align-1)) == 0);   // Pointer size should be a power of 2
-  size_t current_mod = reinterpret_cast<uintptr_t>(alloc_ptr_) & (align-1);
-  size_t slop = (current_mod == 0 ? 0 : align - current_mod);
-  size_t needed = bytes + slop;
-  char* result;
-  if (needed <= alloc_bytes_remaining_) {
-    result = alloc_ptr_ + slop;
-    alloc_ptr_ += needed;
-    alloc_bytes_remaining_ -= needed;
-  } else {
-    // AllocateFallback always returned aligned memory
-    result = AllocateFallback(bytes);
-  }
-  assert((reinterpret_cast<uintptr_t>(result) & (align-1)) == 0);
-  return result;
-}
-
-char* Arena::AllocateNewBlock(size_t block_bytes) {
-  char* result = new char[block_bytes];
-  blocks_memory_ += block_bytes;
-  blocks_.push_back(result);
-  return result;
-}
-
-}  // namespace leveldb
-- 
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