Remove //net (except for Android test stuff) and sdch

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/files/file_util.h"
-#include "base/format_macros.h"
-#include "base/logging.h"
-#include "base/numerics/safe_conversions.h"
-#include "base/sha1.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/stringprintf.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/time/time.h"
-#include "net/disk_cache/simple/simple_entry_format.h"
-
-namespace {
-
-// Size of the uint64 hash_key number in Hex format in a string.
-const size_t kEntryHashKeyAsHexStringSize = 2 * sizeof(uint64);
-
-// TODO(clamy, gavinp): this should go in base
-bool GetNanoSecsFromStat(const struct stat& st,
-                         time_t* out_sec,
-                         long* out_nsec) {
-#if defined(OS_ANDROID)
-  *out_sec = st.st_mtime;
-  *out_nsec = st.st_mtime_nsec;
-  return true;
-#elif defined(OS_LINUX)
-  *out_sec = st.st_mtim.tv_sec;
-  *out_nsec = st.st_mtim.tv_nsec;
-  return true;
-#elif defined(OS_MACOSX) || defined(OS_IOS) || defined(OS_BSD)
-  *out_sec = st.st_mtimespec.tv_sec;
-  *out_nsec = st.st_mtimespec.tv_nsec;
-  return true;
-#else
-  return false;
-#endif
-}
-
-}  // namespace
-
-namespace disk_cache {
-
-namespace simple_util {
-
-std::string ConvertEntryHashKeyToHexString(uint64 hash_key) {
-  const std::string hash_key_str = base::StringPrintf("%016" PRIx64, hash_key);
-  DCHECK_EQ(kEntryHashKeyAsHexStringSize, hash_key_str.size());
-  return hash_key_str;
-}
-
-std::string GetEntryHashKeyAsHexString(const std::string& key) {
-  std::string hash_key_str =
-      ConvertEntryHashKeyToHexString(GetEntryHashKey(key));
-  DCHECK_EQ(kEntryHashKeyAsHexStringSize, hash_key_str.size());
-  return hash_key_str;
-}
-
-bool GetEntryHashKeyFromHexString(const base::StringPiece& hash_key,
-                                  uint64* hash_key_out) {
-  if (hash_key.size() != kEntryHashKeyAsHexStringSize) {
-    return false;
-  }
-  return base::HexStringToUInt64(hash_key, hash_key_out);
-}
-
-uint64 GetEntryHashKey(const std::string& key) {
-  union {
-    unsigned char sha_hash[base::kSHA1Length];
-    uint64 key_hash;
-  } u;
-  base::SHA1HashBytes(reinterpret_cast<const unsigned char*>(key.data()),
-                      key.size(), u.sha_hash);
-  return u.key_hash;
-}
-
-std::string GetFilenameFromEntryHashAndFileIndex(uint64 entry_hash,
-                                                 int file_index) {
-  return base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, file_index);
-}
-
-std::string GetSparseFilenameFromEntryHash(uint64 entry_hash) {
-  return base::StringPrintf("%016" PRIx64 "_s", entry_hash);
-}
-
-std::string GetFilenameFromKeyAndFileIndex(const std::string& key,
-                                           int file_index) {
-  return GetEntryHashKeyAsHexString(key) +
-         base::StringPrintf("_%1d", file_index);
-}
-
-int32 GetDataSizeFromKeyAndFileSize(const std::string& key, int64 file_size) {
-  int64 data_size = file_size - key.size() - sizeof(SimpleFileHeader) -
-                    sizeof(SimpleFileEOF);
-  return base::checked_cast<int32>(data_size);
-}
-
-int64 GetFileSizeFromKeyAndDataSize(const std::string& key, int32 data_size) {
-  return data_size + key.size() + sizeof(SimpleFileHeader) +
-      sizeof(SimpleFileEOF);
-}
-
-int GetFileIndexFromStreamIndex(int stream_index) {
-  return (stream_index == 2) ? 1 : 0;
-}
-
-// TODO(clamy, gavinp): this should go in base
-bool GetMTime(const base::FilePath& path, base::Time* out_mtime) {
-  DCHECK(out_mtime);
-#if defined(OS_POSIX)
-  base::ThreadRestrictions::AssertIOAllowed();
-  struct stat file_stat;
-  if (stat(path.value().c_str(), &file_stat) != 0)
-    return false;
-  time_t sec;
-  long nsec;
-  if (GetNanoSecsFromStat(file_stat, &sec, &nsec)) {
-    int64 usec = (nsec / base::Time::kNanosecondsPerMicrosecond);
-    *out_mtime = base::Time::FromTimeT(sec)
-        + base::TimeDelta::FromMicroseconds(usec);
-    return true;
-  }
-#endif
-  base::File::Info file_info;
-  if (!base::GetFileInfo(path, &file_info))
-    return false;
-  *out_mtime = file_info.last_modified;
-  return true;
-}
-
-}  // namespace simple_backend
-
-}  // namespace disk_cache