SERVER-15976 remove src/third_party/wiredtiger/api directory

12 files changed, 0 insertions, 1740 deletions

diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/arena.h b/src/third_party/wiredtiger/api/leveldb/leveldb/util/arena.h
deleted file mode 100644
index 8f7dde226c4..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/arena.h
+++ /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.
-
-#ifndef STORAGE_LEVELDB_UTIL_ARENA_H_
-#define STORAGE_LEVELDB_UTIL_ARENA_H_
-
-#include <cstddef>
-#include <vector>
-#include <assert.h>
-#include <stdint.h>
-
-namespace leveldb {
-
-class Arena {
- public:
-  Arena();
-  ~Arena();
-
-  // Return a pointer to a newly allocated memory block of "bytes" bytes.
-  char* Allocate(size_t bytes);
-
-  // Allocate memory with the normal alignment guarantees provided by malloc
-  char* AllocateAligned(size_t bytes);
-
-  // Returns an estimate of the total memory usage of data allocated
-  // by the arena (including space allocated but not yet used for user
-  // allocations).
-  size_t MemoryUsage() const {
-    return blocks_memory_ + blocks_.capacity() * sizeof(char*);
-  }
-
- private:
-  char* AllocateFallback(size_t bytes);
-  char* AllocateNewBlock(size_t block_bytes);
-
-  // Allocation state
-  char* alloc_ptr_;
-  size_t alloc_bytes_remaining_;
-
-  // Array of new[] allocated memory blocks
-  std::vector<char*> blocks_;
-
-  // Bytes of memory in blocks allocated so far
-  size_t blocks_memory_;
-
-  // No copying allowed
-  Arena(const Arena&);
-  void operator=(const Arena&);
-};
-
-inline char* Arena::Allocate(size_t bytes) {
-  // The semantics of what to return are a bit messy if we allow
-  // 0-byte allocations, so we disallow them here (we don't need
-  // them for our internal use).
-  assert(bytes > 0);
-  if (bytes <= alloc_bytes_remaining_) {
-    char* result = alloc_ptr_;
-    alloc_ptr_ += bytes;
-    alloc_bytes_remaining_ -= bytes;
-    return result;
-  }
-  return AllocateFallback(bytes);
-}
-
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_UTIL_ARENA_H_
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/coding.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/coding.cc
deleted file mode 100644
index ad1f457a16a..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/coding.cc
+++ /dev/null
@@ -1,163 +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/coding.h"
-
-namespace leveldb {
-
-char* EncodeVarint32(char* dst, uint32_t v) {
-  // Operate on characters as unsigneds
-  unsigned char* ptr = reinterpret_cast<unsigned char*>(dst);
-  static const int B = 128;
-  if (v < (1<<7)) {
-    *(ptr++) = v;
-  } else if (v < (1<<14)) {
-    *(ptr++) = v | B;
-    *(ptr++) = v>>7;
-  } else if (v < (1<<21)) {
-    *(ptr++) = v | B;
-    *(ptr++) = (v>>7) | B;
-    *(ptr++) = v>>14;
-  } else if (v < (1<<28)) {
-    *(ptr++) = v | B;
-    *(ptr++) = (v>>7) | B;
-    *(ptr++) = (v>>14) | B;
-    *(ptr++) = v>>21;
-  } else {
-    *(ptr++) = v | B;
-    *(ptr++) = (v>>7) | B;
-    *(ptr++) = (v>>14) | B;
-    *(ptr++) = (v>>21) | B;
-    *(ptr++) = v>>28;
-  }
-  return reinterpret_cast<char*>(ptr);
-}
-
-const char* GetVarint32PtrFallback(const char* p,
-                                   const char* limit,
-                                   uint32_t* value) {
-  uint32_t result = 0;
-  for (uint32_t shift = 0; shift <= 28 && p < limit; shift += 7) {
-    uint32_t byte = *(reinterpret_cast<const unsigned char*>(p));
-    p++;
-    if (byte & 128) {
-      // More bytes are present
-      result |= ((byte & 127) << shift);
-    } else {
-      result |= (byte << shift);
-      *value = result;
-      return reinterpret_cast<const char*>(p);
-    }
-  }
-  return NULL;
-}
-
-const char* GetVarint64Ptr(const char* p, const char* limit, uint64_t* value) {
-  uint64_t result = 0;
-  for (uint32_t shift = 0; shift <= 63 && p < limit; shift += 7) {
-    uint64_t byte = *(reinterpret_cast<const unsigned char*>(p));
-    p++;
-    if (byte & 128) {
-      // More bytes are present
-      result |= ((byte & 127) << shift);
-    } else {
-      result |= (byte << shift);
-      *value = result;
-      return reinterpret_cast<const char*>(p);
-    }
-  }
-  return NULL;
-}
-
-#ifdef HAVE_ROCKSDB
-void BitStreamPutInt(char* dst, size_t dstlen, size_t offset,
-                     uint32_t bits, uint64_t value) {
-  assert((offset + bits + 7)/8 <= dstlen);
-  assert(bits <= 64);
-
-  unsigned char* ptr = reinterpret_cast<unsigned char*>(dst);
-
-  size_t byteOffset = offset / 8;
-  size_t bitOffset = offset % 8;
-
-  // This prevents unused variable warnings when compiling.
-#ifndef NDEBUG
-  // Store truncated value.
-  uint64_t origValue = (bits < 64)?(value & (((uint64_t)1 << bits) - 1)):value;
-  uint32_t origBits = bits;
-#endif
-
-  while (bits > 0) {
-    size_t bitsToGet = std::min<size_t>(bits, 8 - bitOffset);
-    unsigned char mask = ((1 << bitsToGet) - 1);
-
-    ptr[byteOffset] = (ptr[byteOffset] & ~(mask << bitOffset)) +
-                      ((value & mask) << bitOffset);
-
-    value >>= bitsToGet;
-    byteOffset += 1;
-    bitOffset = 0;
-    bits -= bitsToGet;
-  }
-
-  assert(origValue == BitStreamGetInt(dst, dstlen, offset, origBits));
-}
-
-uint64_t BitStreamGetInt(const char* src, size_t srclen, size_t offset,
-                         uint32_t bits) {
-  assert((offset + bits + 7)/8 <= srclen);
-  assert(bits <= 64);
-
-  const unsigned char* ptr = reinterpret_cast<const unsigned char*>(src);
-
-  uint64_t result = 0;
-
-  size_t byteOffset = offset / 8;
-  size_t bitOffset = offset % 8;
-  size_t shift = 0;
-
-  while (bits > 0) {
-    size_t bitsToGet = std::min<size_t>(bits, 8 - bitOffset);
-    unsigned char mask = ((1 << bitsToGet) - 1);
-
-    result += (uint64_t)((ptr[byteOffset] >> bitOffset) & mask) << shift;
-
-    shift += bitsToGet;
-    byteOffset += 1;
-    bitOffset = 0;
-    bits -= bitsToGet;
-   }
-
-  return result;
- }
- 
-void BitStreamPutInt(std::string* dst, size_t offset, uint32_t bits,
-                     uint64_t value) {
-  assert((offset + bits + 7)/8 <= dst->size());
-
-  const size_t kTmpBufLen = sizeof(value) + 1;
-  char tmpBuf[kTmpBufLen];
-
-  // Number of bytes of tmpBuf being used
-  const size_t kUsedBytes = (offset%8 + bits)/8;
-
-  // Copy relevant parts of dst to tmpBuf
-  for (size_t idx = 0; idx <= kUsedBytes; ++idx) {
-    tmpBuf[idx] = (*dst)[offset/8 + idx];
-  }
-
-  BitStreamPutInt(tmpBuf, kTmpBufLen, offset%8, bits, value);
-
-  // Copy tmpBuf back to dst
-  for (size_t idx = 0; idx <= kUsedBytes; ++idx) {
-    (*dst)[offset/8 + idx] = tmpBuf[idx];
-
-  // Do the check here too as we are working with a buffer.
-  assert(((bits < 64)?(value & (((uint64_t)1 << bits) - 1)):value) ==
-         BitStreamGetInt(dst, offset, bits));
-  }
-}
-#endif
-
-}  // namespace leveldb
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/coding.h b/src/third_party/wiredtiger/api/leveldb/leveldb/util/coding.h
deleted file mode 100644
index ed56ef4ea2d..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/coding.h
+++ /dev/null
@@ -1,311 +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.
-//
-// Endian-neutral encoding:
-// * Fixed-length numbers are encoded with least-significant byte first
-// * In addition we support variable length "varint" encoding
-// * Strings are encoded prefixed by their length in varint format
-
-#ifndef STORAGE_LEVELDB_UTIL_CODING_H_
-#define STORAGE_LEVELDB_UTIL_CODING_H_
-
-#include <algorithm>
-#include <stdint.h>
-#include <string.h>
-#include <string>
-#include "leveldb_wt.h"
-#include "port/port.h"
-
-namespace leveldb {
-
-// The maximum length of a varint in bytes for 32 and 64 bits respectively.
-const unsigned int kMaxVarint32Length = 5;
-const unsigned int kMaxVarint64Length = 10;
-
-// Standard Put... routines append to a string
-extern void PutFixed32(std::string* dst, uint32_t value);
-extern void PutFixed64(std::string* dst, uint64_t value);
-extern void PutVarint32(std::string* dst, uint32_t value);
-extern void PutVarint64(std::string* dst, uint64_t value);
-extern void PutLengthPrefixedSlice(std::string* dst, const Slice& value);
-
-// Standard Get... routines parse a value from the beginning of a Slice
-// and advance the slice past the parsed value.
-extern bool GetVarint32(Slice* input, uint32_t* value);
-extern bool GetVarint64(Slice* input, uint64_t* value);
-extern bool GetLengthPrefixedSlice(Slice* input, Slice* result);
-
-#ifdef HAVE_ROCKSDB
-extern void PutLengthPrefixedSliceParts(std::string* dst,
-                                        const SliceParts& slice_parts);
-extern bool GetFixed64(Slice* input, uint64_t* value);
-// This function assumes data is well-formed.
-extern Slice GetLengthPrefixedSlice(const char* data);
-
-extern Slice GetSliceUntil(Slice* slice, char delimiter);
-#endif
-
-// Pointer-based variants of GetVarint...  These either store a value
-// in *v and return a pointer just past the parsed value, or return
-// NULL on error.  These routines only look at bytes in the range
-// [p..limit-1]
-extern const char* GetVarint32Ptr(const char* p,const char* limit, uint32_t* v);
-extern const char* GetVarint64Ptr(const char* p,const char* limit, uint64_t* v);
-
-// Returns the length of the varint32 or varint64 encoding of "v"
-extern int VarintLength(uint64_t v);
-
-// Lower-level versions of Put... that write directly into a character buffer
-// REQUIRES: dst has enough space for the value being written
-extern void EncodeFixed32(char* dst, uint32_t value);
-extern void EncodeFixed64(char* dst, uint64_t value);
-
-// Lower-level versions of Put... that write directly into a character buffer
-// and return a pointer just past the last byte written.
-// REQUIRES: dst has enough space for the value being written
-extern char* EncodeVarint32(char* dst, uint32_t value);
-extern char* EncodeVarint64(char* dst, uint64_t value);
-
-// Lower-level versions of Get... that read directly from a character buffer
-// without any bounds checking.
-
-inline uint32_t DecodeFixed32(const char* ptr) {
-  if (port::kLittleEndian) {
-    // Load the raw bytes
-    uint32_t result;
-    memcpy(&result, ptr, sizeof(result));  // gcc optimizes this to a plain load
-    return result;
-  } else {
-    return ((static_cast<uint32_t>(static_cast<unsigned char>(ptr[0])))
-        | (static_cast<uint32_t>(static_cast<unsigned char>(ptr[1])) << 8)
-        | (static_cast<uint32_t>(static_cast<unsigned char>(ptr[2])) << 16)
-        | (static_cast<uint32_t>(static_cast<unsigned char>(ptr[3])) << 24));
-  }
-}
-
-inline uint64_t DecodeFixed64(const char* ptr) {
-  if (port::kLittleEndian) {
-    // Load the raw bytes
-    uint64_t result;
-    memcpy(&result, ptr, sizeof(result));  // gcc optimizes this to a plain load
-    return result;
-  } else {
-    uint64_t lo = DecodeFixed32(ptr);
-    uint64_t hi = DecodeFixed32(ptr + 4);
-    return (hi << 32) | lo;
-  }
-}
-
-// Internal routine for use by fallback path of GetVarint32Ptr
-extern const char* GetVarint32PtrFallback(const char* p,
-                                          const char* limit,
-                                          uint32_t* value);
-inline const char* GetVarint32Ptr(const char* p,
-                                  const char* limit,
-                                  uint32_t* value) {
-  if (p < limit) {
-    uint32_t result = *(reinterpret_cast<const unsigned char*>(p));
-    if ((result & 128) == 0) {
-      *value = result;
-      return p + 1;
-    }
-  }
-  return GetVarint32PtrFallback(p, limit, value);
-}
-
-// Writes an unsigned integer with bits number of bits with its least
-// significant bit at offset.
-// Bits are numbered from 0 to 7 in the first byte, 8 to 15 in the second and
-// so on.
-// value is truncated to the bits number of least significant bits.
-// REQUIRES: (offset+bits+7)/8 <= dstlen
-// REQUIRES: bits <= 64
-extern void BitStreamPutInt(char* dst, size_t dstlen, size_t offset,
-                            uint32_t bits, uint64_t value);
-
-// Reads an unsigned integer with bits number of bits with its least
-// significant bit at offset.
-// Bits are numbered in the same way as ByteStreamPutInt().
-// REQUIRES: (offset+bits+7)/8 <= srclen
-// REQUIRES: bits <= 64
-extern uint64_t BitStreamGetInt(const char* src, size_t srclen, size_t offset,
-                                uint32_t bits);
-
-// Convenience functions
-extern void BitStreamPutInt(std::string* dst, size_t offset, uint32_t bits,
-                            uint64_t value);
-extern uint64_t BitStreamGetInt(const std::string* src, size_t offset,
-                                uint32_t bits);
-extern uint64_t BitStreamGetInt(const Slice* src, size_t offset,
-                                uint32_t bits);
-
-// -- Implementation of the functions declared above
-inline void EncodeFixed32(char* buf, uint32_t value) {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-  memcpy(buf, &value, sizeof(value));
-#else
-  buf[0] = value & 0xff;
-  buf[1] = (value >> 8) & 0xff;
-  buf[2] = (value >> 16) & 0xff;
-  buf[3] = (value >> 24) & 0xff;
-#endif
-}
-
-inline void EncodeFixed64(char* buf, uint64_t value) {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-  memcpy(buf, &value, sizeof(value));
-#else
-  buf[0] = value & 0xff;
-  buf[1] = (value >> 8) & 0xff;
-  buf[2] = (value >> 16) & 0xff;
-  buf[3] = (value >> 24) & 0xff;
-  buf[4] = (value >> 32) & 0xff;
-  buf[5] = (value >> 40) & 0xff;
-  buf[6] = (value >> 48) & 0xff;
-  buf[7] = (value >> 56) & 0xff;
-#endif
-}
-
-inline void PutFixed32(std::string* dst, uint32_t value) {
-  char buf[sizeof(value)];
-  EncodeFixed32(buf, value);
-  dst->append(buf, sizeof(buf));
-}
-
-inline void PutFixed64(std::string* dst, uint64_t value) {
-  char buf[sizeof(value)];
-  EncodeFixed64(buf, value);
-  dst->append(buf, sizeof(buf));
-}
-
-inline void PutVarint32(std::string* dst, uint32_t v) {
-  char buf[5];
-  char* ptr = EncodeVarint32(buf, v);
-  dst->append(buf, ptr - buf);
-}
-
-inline char* EncodeVarint64(char* dst, uint64_t v) {
-  static const unsigned int B = 128;
-  unsigned char* ptr = reinterpret_cast<unsigned char*>(dst);
-  while (v >= B) {
-    *(ptr++) = (v & (B - 1)) | B;
-    v >>= 7;
-  }
-  *(ptr++) = static_cast<unsigned char>(v);
-  return reinterpret_cast<char*>(ptr);
-}
-
-inline void PutVarint64(std::string* dst, uint64_t v) {
-  char buf[10];
-  char* ptr = EncodeVarint64(buf, v);
-  dst->append(buf, ptr - buf);
-}
-
-inline void PutLengthPrefixedSlice(std::string* dst, const Slice& value) {
-  PutVarint32(dst, value.size());
-  dst->append(value.data(), value.size());
-}
-
-#ifdef HAVE_ROCKSDB
-inline void PutLengthPrefixedSliceParts(std::string* dst,
-                                        const SliceParts& slice_parts) {
-  uint32_t total_bytes = 0;
-  for (int i = 0; i < slice_parts.num_parts; ++i) {
-    total_bytes += slice_parts.parts[i].size();
-  }
-  PutVarint32(dst, total_bytes);
-  for (int i = 0; i < slice_parts.num_parts; ++i) {
-    dst->append(slice_parts.parts[i].data(), slice_parts.parts[i].size());
-  }
-}
-#endif
-
-inline int VarintLength(uint64_t v) {
-  int len = 1;
-  while (v >= 128) {
-    v >>= 7;
-    len++;
-  }
-  return len;
-}
-
-#ifdef HAVE_ROCKSDB
-inline bool GetFixed64(Slice* input, uint64_t* value) {
-  if (input->size() < sizeof(uint64_t)) {
-    return false;
-  }
-  *value = DecodeFixed64(input->data());
-  input->remove_prefix(sizeof(uint64_t));
-  return true;
-}
-#endif
-
-inline bool GetVarint32(Slice* input, uint32_t* value) {
-  const char* p = input->data();
-  const char* limit = p + input->size();
-  const char* q = GetVarint32Ptr(p, limit, value);
-  if (q == NULL) {
-    return false;
-  } else {
-    *input = Slice(q, limit - q);
-    return true;
-  }
-}
-
-inline bool GetVarint64(Slice* input, uint64_t* value) {
-  const char* p = input->data();
-  const char* limit = p + input->size();
-  const char* q = GetVarint64Ptr(p, limit, value);
-  if (q == NULL) {
-    return false;
-  } else {
-    *input = Slice(q, limit - q);
-    return true;
-  }
-}
-
-inline bool GetLengthPrefixedSlice(Slice* input, Slice* result) {
-  uint32_t len = 0;
-  if (GetVarint32(input, &len) && input->size() >= len) {
-    *result = Slice(input->data(), len);
-    input->remove_prefix(len);
-    return true;
-  } else {
-    return false;
-  }
-}
-
-#ifdef HAVE_ROCKSDB
-inline Slice GetLengthPrefixedSlice(const char* data) {
-  uint32_t len = 0;
-  // +5: we assume "data" is not corrupted
-  const char *p = GetVarint32Ptr(data, data + 5 /* limit */, &len);
-  return Slice(p, len);
-}
-
-inline Slice GetSliceUntil(Slice* slice, char delimiter) {
-  uint32_t len = 0;
-  for (len = 0; len < slice->size() && slice->data()[len] != delimiter; ++len) {
-    // nothing
-  }
-
-  Slice ret(slice->data(), len);
-  slice->remove_prefix(len + ((len < slice->size()) ? 1 : 0));
-  return ret;
-}
-#endif
-
-inline uint64_t BitStreamGetInt(const std::string* src, size_t offset,
-                                uint32_t bits) {
-  return BitStreamGetInt(src->data(), src->size(), offset, bits);
-}
-
-inline uint64_t BitStreamGetInt(const Slice* src, size_t offset,
-                                uint32_t bits) {
-  return BitStreamGetInt(src->data(), src->size(), offset, bits);
-}
-
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_UTIL_CODING_H_
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/comparator.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/comparator.cc
deleted file mode 100644
index 57c89628af9..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/comparator.cc
+++ /dev/null
@@ -1,80 +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 <algorithm>
-#include <stdint.h>
-#include "leveldb_wt.h"
-#include "port/port.h"
-#include "util/logging.h"
-
-namespace leveldb {
-
-Comparator::~Comparator() { }
-
-#ifdef HAVE_HYPERLEVELDB
-uint64_t Comparator::KeyNum(const Slice& key) const {
-  return 0;
-}
-#endif
-
-namespace {
-class BytewiseComparatorImpl : public Comparator {
- public:
-  BytewiseComparatorImpl() { }
-
-  virtual const char* Name() const {
-    return "leveldb.BytewiseComparator";
-  }
-
-  virtual int Compare(const Slice& a, const Slice& b) const {
-    return a.compare(b);
-  }
-
-  virtual void FindShortestSeparator(
-      std::string* start,
-      const Slice& limit) const {
-    // Find length of common prefix
-    size_t min_length = std::min(start->size(), limit.size());
-    size_t diff_index = 0;
-    while ((diff_index < min_length) &&
-           ((*start)[diff_index] == limit[diff_index])) {
-      diff_index++;
-    }
-
-    if (diff_index >= min_length) {
-      // Do not shorten if one string is a prefix of the other
-    } else {
-      uint8_t diff_byte = static_cast<uint8_t>((*start)[diff_index]);
-      if (diff_byte < static_cast<uint8_t>(0xff) &&
-          diff_byte + 1 < static_cast<uint8_t>(limit[diff_index])) {
-        (*start)[diff_index]++;
-        start->resize(diff_index + 1);
-        assert(Compare(*start, limit) < 0);
-      }
-    }
-  }
-
-  virtual void FindShortSuccessor(std::string* key) const {
-    // Find first character that can be incremented
-    size_t n = key->size();
-    for (size_t i = 0; i < n; i++) {
-      const uint8_t byte = (*key)[i];
-      if (byte != static_cast<uint8_t>(0xff)) {
-        (*key)[i] = byte + 1;
-        key->resize(i+1);
-        return;
-      }
-    }
-    // *key is a run of 0xffs.  Leave it alone.
-  }
-};
-}  // namespace
-
-static const Comparator* bytewise = new BytewiseComparatorImpl;
-
-const Comparator* BytewiseComparator() {
-  return bytewise;
-}
-
-}  // namespace leveldb
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/env.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/env.cc
deleted file mode 100644
index 00a04f0dc3e..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/env.cc
+++ /dev/null
@@ -1,96 +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 "leveldb_wt.h"
-
-namespace leveldb {
-
-Env::~Env() {
-}
-
-SequentialFile::~SequentialFile() {
-}
-
-RandomAccessFile::~RandomAccessFile() {
-}
-
-WritableFile::~WritableFile() {
-}
-
-Logger::~Logger() {
-}
-
-FileLock::~FileLock() {
-}
-
-void Log(Logger* info_log, const char* format, ...) {
-  if (info_log != NULL) {
-    va_list ap;
-    va_start(ap, format);
-    info_log->Logv(format, ap);
-    va_end(ap);
-  }
-}
-
-static Status DoWriteStringToFile(Env* env, const Slice& data,
-                                  const std::string& fname,
-                                  bool should_sync) {
-  WritableFile* file;
-  Status s = env->NewWritableFile(fname, &file);
-  if (!s.ok()) {
-    return s;
-  }
-  s = file->Append(data);
-  if (s.ok() && should_sync) {
-    s = file->Sync();
-  }
-  if (s.ok()) {
-    s = file->Close();
-  }
-  delete file;  // Will auto-close if we did not close above
-  if (!s.ok()) {
-    env->DeleteFile(fname);
-  }
-  return s;
-}
-
-Status WriteStringToFile(Env* env, const Slice& data,
-                         const std::string& fname) {
-  return DoWriteStringToFile(env, data, fname, false);
-}
-
-Status WriteStringToFileSync(Env* env, const Slice& data,
-                             const std::string& fname) {
-  return DoWriteStringToFile(env, data, fname, true);
-}
-
-Status ReadFileToString(Env* env, const std::string& fname, std::string* data) {
-  data->clear();
-  SequentialFile* file;
-  Status s = env->NewSequentialFile(fname, &file);
-  if (!s.ok()) {
-    return s;
-  }
-  static const int kBufferSize = 8192;
-  char* space = new char[kBufferSize];
-  while (true) {
-    Slice fragment;
-    s = file->Read(kBufferSize, &fragment, space);
-    if (!s.ok()) {
-      break;
-    }
-    data->append(fragment.data(), fragment.size());
-    if (fragment.empty()) {
-      break;
-    }
-  }
-  delete[] space;
-  delete file;
-  return s;
-}
-
-EnvWrapper::~EnvWrapper() {
-}
-
-}  // namespace leveldb
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/env_posix.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/env_posix.cc
deleted file mode 100644
index 084ae160807..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/env_posix.cc
+++ /dev/null
@@ -1,625 +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 <deque>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <time.h>
-#include <unistd.h>
-#if defined(LEVELDB_PLATFORM_ANDROID)
-#include <sys/stat.h>
-#endif
-#include "leveldb_wt.h"
-#include "port/port.h"
-#include "util/logging.h"
-#include "util/posix_logger.h"
-
-namespace leveldb {
-
-namespace {
-
-static Status IOError(const std::string& context, int err_number) {
-  return Status::IOError(context, strerror(err_number));
-}
-
-class PosixSequentialFile: public SequentialFile {
- private:
-  std::string filename_;
-  FILE* file_;
-
- public:
-  PosixSequentialFile(const std::string& fname, FILE* f)
-      : filename_(fname), file_(f) { }
-  virtual ~PosixSequentialFile() { fclose(file_); }
-
-  virtual Status Read(size_t n, Slice* result, char* scratch) {
-    Status s;
-#ifdef	HAVE_FREAD_UNLOCKED
-    size_t r = fread_unlocked(scratch, 1, n, file_);
-#else
-    size_t r = fread(scratch, 1, n, file_);
-#endif
-    *result = Slice(scratch, r);
-    if (r < n) {
-      if (feof(file_)) {
-        // We leave status as ok if we hit the end of the file
-      } else {
-        // A partial read with an error: return a non-ok status
-        s = IOError(filename_, errno);
-      }
-    }
-    return s;
-  }
-
-  virtual Status Skip(uint64_t n) {
-    if (fseek(file_, n, SEEK_CUR)) {
-      return IOError(filename_, errno);
-    }
-    return Status::OK();
-  }
-};
-
-// pread() based random-access
-class PosixRandomAccessFile: public RandomAccessFile {
- private:
-  std::string filename_;
-  int fd_;
-
- public:
-  PosixRandomAccessFile(const std::string& fname, int fd)
-      : filename_(fname), fd_(fd) { }
-  virtual ~PosixRandomAccessFile() { close(fd_); }
-
-  virtual Status Read(uint64_t offset, size_t n, Slice* result,
-                      char* scratch) const {
-    Status s;
-    ssize_t r = pread(fd_, scratch, n, static_cast<off_t>(offset));
-    *result = Slice(scratch, (r < 0) ? 0 : r);
-    if (r < 0) {
-      // An error: return a non-ok status
-      s = IOError(filename_, errno);
-    }
-    return s;
-  }
-};
-
-// mmap() based random-access
-class PosixMmapReadableFile: public RandomAccessFile {
- private:
-  std::string filename_;
-  void* mmapped_region_;
-  size_t length_;
-
- public:
-  // base[0,length-1] contains the mmapped contents of the file.
-  PosixMmapReadableFile(const std::string& fname, void* base, size_t length)
-      : filename_(fname), mmapped_region_(base), length_(length) { }
-  virtual ~PosixMmapReadableFile() { munmap(mmapped_region_, length_); }
-
-  virtual Status Read(uint64_t offset, size_t n, Slice* result,
-                      char* scratch) const {
-    Status s;
-    if (offset + n > length_) {
-      *result = Slice();
-      s = IOError(filename_, EINVAL);
-    } else {
-      *result = Slice(reinterpret_cast<char*>(mmapped_region_) + offset, n);
-    }
-    return s;
-  }
-};
-
-// We preallocate up to an extra megabyte and use memcpy to append new
-// data to the file.  This is safe since we either properly close the
-// file before reading from it, or for log files, the reading code
-// knows enough to skip zero suffixes.
-class PosixMmapFile : public WritableFile {
- private:
-  std::string filename_;
-  int fd_;
-  size_t page_size_;
-  size_t map_size_;       // How much extra memory to map at a time
-  char* base_;            // The mapped region
-  char* limit_;           // Limit of the mapped region
-  char* dst_;             // Where to write next  (in range [base_,limit_])
-  char* last_sync_;       // Where have we synced up to
-  uint64_t file_offset_;  // Offset of base_ in file
-
-  // Have we done an munmap of unsynced data?
-  bool pending_sync_;
-
-  // Roundup x to a multiple of y
-  static size_t Roundup(size_t x, size_t y) {
-    return ((x + y - 1) / y) * y;
-  }
-
-  size_t TruncateToPageBoundary(size_t s) {
-    s -= (s & (page_size_ - 1));
-    assert((s % page_size_) == 0);
-    return s;
-  }
-
-  bool UnmapCurrentRegion() {
-    bool result = true;
-    if (base_ != NULL) {
-      if (last_sync_ < limit_) {
-        // Defer syncing this data until next Sync() call, if any
-        pending_sync_ = true;
-      }
-      if (munmap(base_, limit_ - base_) != 0) {
-        result = false;
-      }
-      file_offset_ += limit_ - base_;
-      base_ = NULL;
-      limit_ = NULL;
-      last_sync_ = NULL;
-      dst_ = NULL;
-
-      // Increase the amount we map the next time, but capped at 1MB
-      if (map_size_ < (1<<20)) {
-        map_size_ *= 2;
-      }
-    }
-    return result;
-  }
-
-  bool MapNewRegion() {
-    assert(base_ == NULL);
-    if (ftruncate(fd_, file_offset_ + map_size_) < 0) {
-      return false;
-    }
-    void* ptr = mmap(NULL, map_size_, PROT_READ | PROT_WRITE, MAP_SHARED,
-                     fd_, file_offset_);
-    if (ptr == MAP_FAILED) {
-      return false;
-    }
-    base_ = reinterpret_cast<char*>(ptr);
-    limit_ = base_ + map_size_;
-    dst_ = base_;
-    last_sync_ = base_;
-    return true;
-  }
-
- public:
-  PosixMmapFile(const std::string& fname, int fd, size_t page_size)
-      : filename_(fname),
-        fd_(fd),
-        page_size_(page_size),
-        map_size_(Roundup(65536, page_size)),
-        base_(NULL),
-        limit_(NULL),
-        dst_(NULL),
-        last_sync_(NULL),
-        file_offset_(0),
-        pending_sync_(false) {
-    assert((page_size & (page_size - 1)) == 0);
-  }
-
-
-  ~PosixMmapFile() {
-    if (fd_ >= 0) {
-      PosixMmapFile::Close();
-    }
-  }
-
-  virtual Status Append(const Slice& data) {
-    const char* src = data.data();
-    size_t left = data.size();
-    while (left > 0) {
-      assert(base_ <= dst_);
-      assert(dst_ <= limit_);
-      size_t avail = limit_ - dst_;
-      if (avail == 0) {
-        if (!UnmapCurrentRegion() ||
-            !MapNewRegion()) {
-          return IOError(filename_, errno);
-        }
-      }
-
-      size_t n = (left <= avail) ? left : avail;
-      memcpy(dst_, src, n);
-      dst_ += n;
-      src += n;
-      left -= n;
-    }
-    return Status::OK();
-  }
-
-  virtual Status Close() {
-    Status s;
-    size_t unused = limit_ - dst_;
-    if (!UnmapCurrentRegion()) {
-      s = IOError(filename_, errno);
-    } else if (unused > 0) {
-      // Trim the extra space at the end of the file
-      if (ftruncate(fd_, file_offset_ - unused) < 0) {
-        s = IOError(filename_, errno);
-      }
-    }
-
-    if (close(fd_) < 0) {
-      if (s.ok()) {
-        s = IOError(filename_, errno);
-      }
-    }
-
-    fd_ = -1;
-    base_ = NULL;
-    limit_ = NULL;
-    return s;
-  }
-
-  virtual Status Flush() {
-    return Status::OK();
-  }
-
-  virtual Status Sync() {
-    Status s;
-
-    if (pending_sync_) {
-      // Some unmapped data was not synced
-      pending_sync_ = false;
-#ifdef	HAVE_FDATASYNC
-      if (fdatasync(fd_) < 0) {
-#else
-      if (fsync(fd_) < 0) {
-#endif
-        s = IOError(filename_, errno);
-      }
-    }
-
-    if (dst_ > last_sync_) {
-      // Find the beginnings of the pages that contain the first and last
-      // bytes to be synced.
-      size_t p1 = TruncateToPageBoundary(last_sync_ - base_);
-      size_t p2 = TruncateToPageBoundary(dst_ - base_ - 1);
-      last_sync_ = dst_;
-      if (msync(base_ + p1, p2 - p1 + page_size_, MS_SYNC) < 0) {
-        s = IOError(filename_, errno);
-      }
-    }
-
-    return s;
-  }
-
-#ifdef HAVE_HYPERLEVELDB
-  virtual Status WriteAt(uint64_t offset, const Slice& data) { return Status::NotSupported("sorry!"); }
-#endif
-};
-
-static int LockOrUnlock(int fd, bool lock) {
-  errno = 0;
-  struct flock f;
-  memset(&f, 0, sizeof(f));
-  f.l_type = (lock ? F_WRLCK : F_UNLCK);
-  f.l_whence = SEEK_SET;
-  f.l_start = 0;
-  f.l_len = 0;        // Lock/unlock entire file
-  return fcntl(fd, F_SETLK, &f);
-}
-
-class PosixFileLock : public FileLock {
- public:
-  int fd_;
-};
-
-class PosixEnv : public Env {
- public:
-  PosixEnv();
-  virtual ~PosixEnv() {
-    fprintf(stderr, "Destroying Env::Default()\n");
-    exit(1);
-  }
-
-  virtual Status NewSequentialFile(const std::string& fname,
-                                   SequentialFile** result) {
-    FILE* f = fopen(fname.c_str(), "r");
-    if (f == NULL) {
-      *result = NULL;
-      return IOError(fname, errno);
-    } else {
-      *result = new PosixSequentialFile(fname, f);
-      return Status::OK();
-    }
-  }
-
-  virtual Status NewRandomAccessFile(const std::string& fname,
-                                     RandomAccessFile** result) {
-    *result = NULL;
-    Status s;
-    int fd = open(fname.c_str(), O_RDONLY);
-    if (fd < 0) {
-      s = IOError(fname, errno);
-    } else if (sizeof(void*) >= 8) {
-      // Use mmap when virtual address-space is plentiful.
-      uint64_t size;
-      s = GetFileSize(fname, &size);
-      if (s.ok()) {
-        void* base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
-        if (base != MAP_FAILED) {
-          *result = new PosixMmapReadableFile(fname, base, size);
-        } else {
-          s = IOError(fname, errno);
-        }
-      }
-      close(fd);
-    } else {
-      *result = new PosixRandomAccessFile(fname, fd);
-    }
-    return s;
-  }
-
-  virtual Status NewWritableFile(const std::string& fname,
-                                 WritableFile** result) {
-    Status s;
-    const int fd = open(fname.c_str(), O_CREAT | O_RDWR | O_TRUNC, 0644);
-    if (fd < 0) {
-      *result = NULL;
-      s = IOError(fname, errno);
-    } else {
-      *result = new PosixMmapFile(fname, fd, page_size_);
-    }
-    return s;
-  }
-
-  virtual bool FileExists(const std::string& fname) {
-    return access(fname.c_str(), F_OK) == 0;
-  }
-
-  virtual Status GetChildren(const std::string& dir,
-                             std::vector<std::string>* result) {
-    result->clear();
-    DIR* d = opendir(dir.c_str());
-    if (d == NULL) {
-      return IOError(dir, errno);
-    }
-    struct dirent* entry;
-    while ((entry = readdir(d)) != NULL) {
-      result->push_back(entry->d_name);
-    }
-    closedir(d);
-    return Status::OK();
-  }
-
-  virtual Status DeleteFile(const std::string& fname) {
-    Status result;
-    if (unlink(fname.c_str()) != 0) {
-      result = IOError(fname, errno);
-    }
-    return result;
-  };
-
-  virtual Status CreateDir(const std::string& name) {
-    Status result;
-    if (mkdir(name.c_str(), 0755) != 0) {
-      result = IOError(name, errno);
-    }
-    return result;
-  };
-
-  virtual Status DeleteDir(const std::string& name) {
-    Status result;
-    if (rmdir(name.c_str()) != 0) {
-      result = IOError(name, errno);
-    }
-    return result;
-  };
-
-  virtual Status GetFileSize(const std::string& fname, uint64_t* size) {
-    Status s;
-    struct stat sbuf;
-    if (stat(fname.c_str(), &sbuf) != 0) {
-      *size = 0;
-      s = IOError(fname, errno);
-    } else {
-      *size = sbuf.st_size;
-    }
-    return s;
-  }
-
-  virtual Status RenameFile(const std::string& src, const std::string& target) {
-    Status result;
-    if (rename(src.c_str(), target.c_str()) != 0) {
-      result = IOError(src, errno);
-    }
-    return result;
-  }
-
-  virtual Status LockFile(const std::string& fname, FileLock** lock) {
-    *lock = NULL;
-    Status result;
-    int fd = open(fname.c_str(), O_RDWR | O_CREAT, 0644);
-    if (fd < 0) {
-      result = IOError(fname, errno);
-    } else if (LockOrUnlock(fd, true) == -1) {
-      result = IOError("lock " + fname, errno);
-      close(fd);
-    } else {
-      PosixFileLock* my_lock = new PosixFileLock;
-      my_lock->fd_ = fd;
-      *lock = my_lock;
-    }
-    return result;
-  }
-
-  virtual Status UnlockFile(FileLock* lock) {
-    PosixFileLock* my_lock = reinterpret_cast<PosixFileLock*>(lock);
-    Status result;
-    if (LockOrUnlock(my_lock->fd_, false) == -1) {
-      result = IOError("unlock", errno);
-    }
-    close(my_lock->fd_);
-    delete my_lock;
-    return result;
-  }
-
-  virtual void Schedule(void (*function)(void*), void* arg);
-
-  virtual void StartThread(void (*function)(void* arg), void* arg);
-
-  virtual Status GetTestDirectory(std::string* result) {
-    const char* env = getenv("TEST_TMPDIR");
-    if (env && env[0] != '\0') {
-      *result = env;
-    } else {
-      char buf[100];
-      snprintf(buf, sizeof(buf), "/tmp/leveldbtest-%d", int(geteuid()));
-      *result = buf;
-    }
-    // Directory may already exist
-    CreateDir(*result);
-    return Status::OK();
-  }
-
-  static uint64_t gettid() {
-    pthread_t tid = pthread_self();
-    uint64_t thread_id = 0;
-    memcpy(&thread_id, &tid, std::min(sizeof(thread_id), sizeof(tid)));
-    return thread_id;
-  }
-
-  virtual Status NewLogger(const std::string& fname, Logger** result) {
-    FILE* f = fopen(fname.c_str(), "w");
-    if (f == NULL) {
-      *result = NULL;
-      return IOError(fname, errno);
-    } else {
-      *result = new PosixLogger(f, &PosixEnv::gettid);
-      return Status::OK();
-    }
-  }
-
-  virtual uint64_t NowMicros() {
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    return static_cast<uint64_t>(tv.tv_sec) * 1000000 + tv.tv_usec;
-  }
-
-  virtual void SleepForMicroseconds(int micros) {
-    usleep(micros);
-  }
-
-#ifdef HAVE_HYPERLEVELDB
-  virtual Status CopyFile(const std::string&, const std::string&) { return Status::NotSupported("sorry!"); }
-  virtual Status LinkFile(const std::string&, const std::string&) { return Status::NotSupported("sorry!"); }
-#endif
-
- private:
-  void PthreadCall(const char* label, int result) {
-    if (result != 0) {
-      fprintf(stderr, "pthread %s: %s\n", label, strerror(result));
-      exit(1);
-    }
-  }
-
-  // BGThread() is the body of the background thread
-  void BGThread();
-  static void* BGThreadWrapper(void* arg) {
-    reinterpret_cast<PosixEnv*>(arg)->BGThread();
-    return NULL;
-  }
-
-  size_t page_size_;
-  pthread_mutex_t mu_;
-  pthread_cond_t bgsignal_;
-  pthread_t bgthread_;
-  bool started_bgthread_;
-
-  // Entry per Schedule() call
-  struct BGItem { void* arg; void (*function)(void*); };
-  typedef std::deque<BGItem> BGQueue;
-  BGQueue queue_;
-};
-
-PosixEnv::PosixEnv() : page_size_(getpagesize()),
-                       started_bgthread_(false) {
-  PthreadCall("mutex_init", pthread_mutex_init(&mu_, NULL));
-  PthreadCall("cvar_init", pthread_cond_init(&bgsignal_, NULL));
-}
-
-void PosixEnv::Schedule(void (*function)(void*), void* arg) {
-  PthreadCall("lock", pthread_mutex_lock(&mu_));
-
-  // Start background thread if necessary
-  if (!started_bgthread_) {
-    started_bgthread_ = true;
-    PthreadCall(
-        "create thread",
-        pthread_create(&bgthread_, NULL,  &PosixEnv::BGThreadWrapper, this));
-  }
-
-  // If the queue is currently empty, the background thread may currently be
-  // waiting.
-  if (queue_.empty()) {
-    PthreadCall("signal", pthread_cond_signal(&bgsignal_));
-  }
-
-  // Add to priority queue
-  queue_.push_back(BGItem());
-  queue_.back().function = function;
-  queue_.back().arg = arg;
-
-  PthreadCall("unlock", pthread_mutex_unlock(&mu_));
-}
-
-void PosixEnv::BGThread() {
-  while (true) {
-    // Wait until there is an item that is ready to run
-    PthreadCall("lock", pthread_mutex_lock(&mu_));
-    while (queue_.empty()) {
-      PthreadCall("wait", pthread_cond_wait(&bgsignal_, &mu_));
-    }
-
-    void (*function)(void*) = queue_.front().function;
-    void* arg = queue_.front().arg;
-    queue_.pop_front();
-
-    PthreadCall("unlock", pthread_mutex_unlock(&mu_));
-    (*function)(arg);
-  }
-}
-
-namespace {
-struct StartThreadState {
-  void (*user_function)(void*);
-  void* arg;
-};
-}
-static void* StartThreadWrapper(void* arg) {
-  StartThreadState* state = reinterpret_cast<StartThreadState*>(arg);
-  state->user_function(state->arg);
-  delete state;
-  return NULL;
-}
-
-void PosixEnv::StartThread(void (*function)(void* arg), void* arg) {
-  pthread_t t;
-  StartThreadState* state = new StartThreadState;
-  state->user_function = function;
-  state->arg = arg;
-  PthreadCall("start thread",
-              pthread_create(&t, NULL,  &StartThreadWrapper, state));
-}
-
-}  // namespace
-
-static pthread_once_t once = PTHREAD_ONCE_INIT;
-static Env* default_env;
-static void InitDefaultEnv() { default_env = new PosixEnv; }
-
-Env* Env::Default() {
-  pthread_once(&once, InitDefaultEnv);
-  return default_env;
-}
-
-}  // namespace leveldb
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/logging.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/logging.cc
deleted file mode 100644
index 96526e76123..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/logging.cc
+++ /dev/null
@@ -1,80 +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/logging.h"
-
-#include <errno.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "leveldb_wt.h"
-
-namespace leveldb {
-
-void AppendNumberTo(std::string* str, uint64_t num) {
-  char buf[30];
-  snprintf(buf, sizeof(buf), "%llu", (unsigned long long) num);
-  str->append(buf);
-}
-
-void AppendEscapedStringTo(std::string* str, const Slice& value) {
-  for (size_t i = 0; i < value.size(); i++) {
-    char c = value[i];
-    if (c >= ' ' && c <= '~') {
-      str->push_back(c);
-    } else {
-      char buf[10];
-      snprintf(buf, sizeof(buf), "\\x%02x",
-               static_cast<unsigned int>(c) & 0xff);
-      str->append(buf);
-    }
-  }
-}
-
-std::string NumberToString(uint64_t num) {
-  std::string r;
-  AppendNumberTo(&r, num);
-  return r;
-}
-
-std::string EscapeString(const Slice& value) {
-  std::string r;
-  AppendEscapedStringTo(&r, value);
-  return r;
-}
-
-bool ConsumeChar(Slice* in, char c) {
-  if (!in->empty() && (*in)[0] == c) {
-    in->remove_prefix(1);
-    return true;
-  } else {
-    return false;
-  }
-}
-
-bool ConsumeDecimalNumber(Slice* in, uint64_t* val) {
-  uint64_t v = 0;
-  int digits = 0;
-  while (!in->empty()) {
-    char c = (*in)[0];
-    if (c >= '0' && c <= '9') {
-      ++digits;
-      const int delta = (c - '0');
-      static const uint64_t kMaxUint64 = ~static_cast<uint64_t>(0);
-      if (v > kMaxUint64/10 ||
-          (v == kMaxUint64/10 && (uint64_t)delta > kMaxUint64%10)) {
-        // Overflow
-        return false;
-      }
-      v = (v * 10) + delta;
-      in->remove_prefix(1);
-    } else {
-      break;
-    }
-  }
-  *val = v;
-  return (digits > 0);
-}
-
-}  // namespace leveldb
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/logging.h b/src/third_party/wiredtiger/api/leveldb/leveldb/util/logging.h
deleted file mode 100644
index b0c5da813e8..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/logging.h
+++ /dev/null
@@ -1,47 +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.
-//
-// Must not be included from any .h files to avoid polluting the namespace
-// with macros.
-
-#ifndef STORAGE_LEVELDB_UTIL_LOGGING_H_
-#define STORAGE_LEVELDB_UTIL_LOGGING_H_
-
-#include <stdio.h>
-#include <stdint.h>
-#include <string>
-#include "port/port.h"
-
-namespace leveldb {
-
-class Slice;
-class WritableFile;
-
-// Append a human-readable printout of "num" to *str
-extern void AppendNumberTo(std::string* str, uint64_t num);
-
-// Append a human-readable printout of "value" to *str.
-// Escapes any non-printable characters found in "value".
-extern void AppendEscapedStringTo(std::string* str, const Slice& value);
-
-// Return a human-readable printout of "num"
-extern std::string NumberToString(uint64_t num);
-
-// Return a human-readable version of "value".
-// Escapes any non-printable characters found in "value".
-extern std::string EscapeString(const Slice& value);
-
-// If *in starts with "c", advances *in past the first character and
-// returns true.  Otherwise, returns false.
-extern bool ConsumeChar(Slice* in, char c);
-
-// Parse a human-readable number from "*in" into *value.  On success,
-// advances "*in" past the consumed number and sets "*val" to the
-// numeric value.  Otherwise, returns false and leaves *in in an
-// unspecified state.
-extern bool ConsumeDecimalNumber(Slice* in, uint64_t* val);
-
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_UTIL_LOGGING_H_
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/options.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/options.cc
deleted file mode 100644
index a8c79233bb5..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/options.cc
+++ /dev/null
@@ -1,26 +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 "leveldb_wt.h"
-
-namespace leveldb {
-
-Options::Options()
-    : comparator(BytewiseComparator()),
-      create_if_missing(false),
-      error_if_exists(false),
-      paranoid_checks(false),
-      env(Env::Default()),
-      info_log(NULL),
-      write_buffer_size(4<<20),
-      max_open_files(1000),
-      block_cache(NULL),
-      block_size(4096),
-      block_restart_interval(16),
-      compression(kSnappyCompression),
-      filter_policy(NULL) {
-}
-
-
-}  // namespace leveldb
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/posix_logger.h b/src/third_party/wiredtiger/api/leveldb/leveldb/util/posix_logger.h
deleted file mode 100644
index f15de45e05e..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/posix_logger.h
+++ /dev/null
@@ -1,98 +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.
-//
-// Logger implementation that can be shared by all environments
-// where enough posix functionality is available.
-
-#ifndef STORAGE_LEVELDB_UTIL_POSIX_LOGGER_H_
-#define STORAGE_LEVELDB_UTIL_POSIX_LOGGER_H_
-
-#include <algorithm>
-#include <stdio.h>
-#include <sys/time.h>
-#include <time.h>
-#include "leveldb_wt.h"
-
-namespace leveldb {
-
-class PosixLogger : public Logger {
- private:
-  FILE* file_;
-  uint64_t (*gettid_)();  // Return the thread id for the current thread
- public:
-  PosixLogger(FILE* f, uint64_t (*gettid)()) : file_(f), gettid_(gettid) { }
-  virtual ~PosixLogger() {
-    fclose(file_);
-  }
-  virtual void Logv(const char* format, va_list ap) {
-    const uint64_t thread_id = (*gettid_)();
-
-    // We try twice: the first time with a fixed-size stack allocated buffer,
-    // and the second time with a much larger dynamically allocated buffer.
-    char buffer[500];
-    for (int iter = 0; iter < 2; iter++) {
-      char* base;
-      int bufsize;
-      if (iter == 0) {
-        bufsize = sizeof(buffer);
-        base = buffer;
-      } else {
-        bufsize = 30000;
-        base = new char[bufsize];
-      }
-      char* p = base;
-      char* limit = base + bufsize;
-
-      struct timeval now_tv;
-      gettimeofday(&now_tv, NULL);
-      const time_t seconds = now_tv.tv_sec;
-      struct tm t;
-      localtime_r(&seconds, &t);
-      p += snprintf(p, limit - p,
-                    "%04d/%02d/%02d-%02d:%02d:%02d.%06d %llx ",
-                    t.tm_year + 1900,
-                    t.tm_mon + 1,
-                    t.tm_mday,
-                    t.tm_hour,
-                    t.tm_min,
-                    t.tm_sec,
-                    static_cast<int>(now_tv.tv_usec),
-                    static_cast<long long unsigned int>(thread_id));
-
-      // Print the message
-      if (p < limit) {
-        va_list backup_ap;
-        va_copy(backup_ap, ap);
-        p += vsnprintf(p, limit - p, format, backup_ap);
-        va_end(backup_ap);
-      }
-
-      // Truncate to available space if necessary
-      if (p >= limit) {
-        if (iter == 0) {
-          continue;       // Try again with larger buffer
-        } else {
-          p = limit - 1;
-        }
-      }
-
-      // Add newline if necessary
-      if (p == base || p[-1] != '\n') {
-        *p++ = '\n';
-      }
-
-      assert(p <= limit);
-      fwrite(base, 1, p - base, file_);
-      fflush(file_);
-      if (base != buffer) {
-        delete[] base;
-      }
-      break;
-    }
-  }
-};
-
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_UTIL_POSIX_LOGGER_H_
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/random.h b/src/third_party/wiredtiger/api/leveldb/leveldb/util/random.h
deleted file mode 100644
index 66e0c94e7cb..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/random.h
+++ /dev/null
@@ -1,72 +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.
-
-#ifndef STORAGE_LEVELDB_UTIL_RANDOM_H_
-#define STORAGE_LEVELDB_UTIL_RANDOM_H_
-
-#include <stdint.h>
-
-namespace leveldb {
-
-// A very simple random number generator.  Not especially good at
-// generating truly random bits, but good enough for our needs in this
-// package.
-class Random {
- private:
-  uint32_t seed_;
- public:
-  explicit Random(uint32_t s) : seed_(s & 0x7fffffffu) { }
-  uint32_t Next() {
-    static const uint32_t M = 2147483647L;   // 2^31-1
-    static const uint64_t A = 16807;  // bits 14, 8, 7, 5, 2, 1, 0
-    // We are computing
-    //       seed_ = (seed_ * A) % M,    where M = 2^31-1
-    //
-    // seed_ must not be zero or M, or else all subsequent computed values
-    // will be zero or M respectively.  For all other values, seed_ will end
-    // up cycling through every number in [1,M-1]
-    uint64_t product = seed_ * A;
-
-    // Compute (product % M) using the fact that ((x << 31) % M) == x.
-    seed_ = static_cast<uint32_t>((product >> 31) + (product & M));
-    // The first reduction may overflow by 1 bit, so we may need to
-    // repeat.  mod == M is not possible; using > allows the faster
-    // sign-bit-based test.
-    if (seed_ > M) {
-      seed_ -= M;
-    }
-    return seed_;
-  }
-  // Returns a uniformly distributed value in the range [0..n-1]
-  // REQUIRES: n > 0
-  uint32_t Uniform(int n) { return Next() % n; }
-
-  // Randomly returns true ~"1/n" of the time, and false otherwise.
-  // REQUIRES: n > 0
-  bool OneIn(int n) { return (Next() % n) == 0; }
-
-  // Skewed: pick "base" uniformly from range [0,max_log] and then
-  // return "base" random bits.  The effect is to pick a number in the
-  // range [0,2^max_log-1] with exponential bias towards smaller numbers.
-  uint32_t Skewed(int max_log) {
-    return Uniform(1 << Uniform(max_log + 1));
-  }
-
-  // Shuffle the array into random order
-  void Shuffle(int *array, int n) {
-  	if (n > 1) {
-	  int i;
-	  for (i=0; i<n-1; i++) {
-	  	int j = i + Next() / (2147483647 / (n-i) + 1);
-		int t = array[j];
-		array[j] = array[i];
-		array[i] = t;
-	  }
-	}
-  }
-};
-
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_UTIL_RANDOM_H_
diff --git a/src/third_party/wiredtiger/api/leveldb/leveldb/util/status.cc b/src/third_party/wiredtiger/api/leveldb/leveldb/util/status.cc
deleted file mode 100644
index e8edd9dbb11..00000000000
--- a/src/third_party/wiredtiger/api/leveldb/leveldb/util/status.cc
+++ /dev/null
@@ -1,74 +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 <stdio.h>
-#include "leveldb_wt.h"
-
-namespace leveldb {
-
-const char* Status::CopyState(const char* state) {
-  uint32_t size;
-  memcpy(&size, state, sizeof(size));
-  char* result = new char[size + 5];
-  memcpy(result, state, size + 5);
-  return result;
-}
-
-Status::Status(Code code_arg, const Slice& msg, const Slice& msg2) {
-  assert(code_arg != kOk);
-  const uint32_t len1 = msg.size();
-  const uint32_t len2 = msg2.size();
-  const uint32_t size = len1 + (len2 ? (2 + len2) : 0);
-  char* result = new char[size + 5];
-  memcpy(result, &size, sizeof(size));
-  result[4] = static_cast<char>(code_arg);
-  memcpy(result + 5, msg.data(), len1);
-  if (len2) {
-    result[5 + len1] = ':';
-    result[6 + len1] = ' ';
-    memcpy(result + 7 + len1, msg2.data(), len2);
-  }
-  state_ = result;
-}
-
-std::string Status::ToString() const {
-  if (state_ == NULL) {
-    return "OK";
-  } else {
-    char tmp[30];
-    const char* type;
-    switch (code()) {
-      case kOk:
-        type = "OK";
-        break;
-      case kNotFound:
-        type = "NotFound: ";
-        break;
-      case kCorruption:
-        type = "Corruption: ";
-        break;
-      case kNotSupported:
-        type = "Not implemented: ";
-        break;
-      case kInvalidArgument:
-        type = "Invalid argument: ";
-        break;
-      case kIOError:
-        type = "IO error: ";
-        break;
-      default:
-        snprintf(tmp, sizeof(tmp), "Unknown code(%d): ",
-                 static_cast<int>(code()));
-        type = tmp;
-        break;
-    }
-    std::string result(type);
-    uint32_t length;
-    memcpy(&length, state_, sizeof(length));
-    result.append(state_ + 5, length);
-    return result;
-  }
-}
-
-}  // namespace leveldb