Squashed 'src/leveldb/' changes from 7924331..7d41e6f

7d41e6f Merge upstream LevelDB 1.18
803d692 Release 1.18

git-subtree-dir: src/leveldb
git-subtree-split: 7d41e6f89ff04ce9e6a742932924796f69c6e23d

include/leveldb/cache.h

@@ -96,4 +96,4 @@ class Cache {
 
 }  // namespace leveldb
 
-#endif  // STORAGE_LEVELDB_UTIL_CACHE_H_
+#endif  // STORAGE_LEVELDB_INCLUDE_CACHE_H_

include/leveldb/db.h

@@ -14,7 +14,7 @@ namespace leveldb {
 
 // Update Makefile if you change these
 static const int kMajorVersion = 1;
-static const int kMinorVersion = 17;
+static const int kMinorVersion = 18;
 
 struct Options;
 struct ReadOptions;

include/leveldb/dumpfile.h

@@ -0,0 +1,25 @@
+// Copyright (c) 2014 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_INCLUDE_DUMPFILE_H_
+#define STORAGE_LEVELDB_INCLUDE_DUMPFILE_H_
+
+#include <string>
+#include "leveldb/env.h"
+#include "leveldb/status.h"
+
+namespace leveldb {
+
+// Dump the contents of the file named by fname in text format to
+// *dst.  Makes a sequence of dst->Append() calls; each call is passed
+// the newline-terminated text corresponding to a single item found
+// in the file.
+//
+// Returns a non-OK result if fname does not name a leveldb storage
+// file, or if the file cannot be read.
+Status DumpFile(Env* env, const std::string& fname, WritableFile* dst);
+
+}  // namespace leveldb
+
+#endif  // STORAGE_LEVELDB_INCLUDE_DUMPFILE_H_

include/leveldb/env.h

@@ -142,7 +142,7 @@ class Env {
   // useful for computing deltas of time.
   virtual uint64_t NowMicros() = 0;
 
-  // Sleep/delay the thread for the perscribed number of micro-seconds.
+  // Sleep/delay the thread for the prescribed number of micro-seconds.
   virtual void SleepForMicroseconds(int micros) = 0;
 
  private:

include/leveldb/iterator.h

@@ -61,7 +61,7 @@ class Iterator {
   // Return the value for the current entry.  The underlying storage for
   // the returned slice is valid only until the next modification of
   // the iterator.
-  // REQUIRES: !AtEnd() && !AtStart()
+  // REQUIRES: Valid()
   virtual Slice value() const = 0;
 
   // If an error has occurred, return it.  Else return an ok status.

include/leveldb/options.h

@@ -153,7 +153,7 @@ struct ReadOptions {
 
   // If "snapshot" is non-NULL, read as of the supplied snapshot
   // (which must belong to the DB that is being read and which must
-  // not have been released).  If "snapshot" is NULL, use an impliicit
+  // not have been released).  If "snapshot" is NULL, use an implicit
   // snapshot of the state at the beginning of this read operation.
   // Default: NULL
   const Snapshot* snapshot;