Simple Cache: DoomEntriesBetween()

net/disk_cache/simple/simple_util.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/disk_cache/simple/simple_util.h"
 
 #include <limits>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
@@ skipping 34 matching lines @@
   return base::HexStringToUInt64(hash_key, hash_key_out);
 }
 
 uint64 GetEntryHashKey(const std::string& key) {
   const std::string sha_hash = base::SHA1HashString(key);
   uint64 hash_key = 0;
   sha_hash.copy(reinterpret_cast<char*>(&hash_key), sizeof(hash_key));
   return hash_key;
 }
 
+std::string GetFilenameFromHexStringAndIndex(const std::string& hex_key,
+                                             int index) {
+  return hex_key + base::StringPrintf("_%1d", index);
+}
+
 std::string GetFilenameFromKeyAndIndex(const std::string& key, int index) {
   return GetEntryHashKeyAsHexString(key) + base::StringPrintf("_%1d", index);
 }
 
 int32 GetDataSizeFromKeyAndFileSize(const std::string& key, int64 file_size) {
   int64 data_size = file_size - key.size() -
                     sizeof(disk_cache::SimpleFileHeader);
   DCHECK_GE(implicit_cast<int64>(std::numeric_limits<int32>::max()), data_size);
   return data_size;
 }
 
 int64 GetFileSizeFromKeyAndDataSize(const std::string& key, int32 data_size) {
   return data_size + key.size() + sizeof(disk_cache::SimpleFileHeader);
 }
 
 int64 GetFileOffsetFromKeyAndDataOffset(const std::string& key,
                                         int data_offset) {
   const int64 headers_size = sizeof(disk_cache::SimpleFileHeader) + key.size();
   return headers_size + data_offset;
 }
 
 }  // namespace simple_backend
 
 }  // namespace disk_cache