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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/disk_cache/bitmap.h" | 5 #include "net/disk_cache/blockfile/bitmap.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 | 10 |
| 11 namespace { | 11 namespace { |
| 12 | 12 |
| 13 // Returns the number of trailing zeros. | 13 // Returns the number of trailing zeros. |
| 14 int FindLSBSetNonZero(uint32 word) { | 14 int FindLSBSetNonZero(uint32 word) { |
| 15 // Get the LSB, put it on the exponent of a 32 bit float and remove the | 15 // Get the LSB, put it on the exponent of a 32 bit float and remove the |
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| 302 uint32 to_add = 0xffffffff << len; | 302 uint32 to_add = 0xffffffff << len; |
| 303 to_add = (~to_add) << offset; | 303 to_add = (~to_add) << offset; |
| 304 if (value) { | 304 if (value) { |
| 305 map_[word] |= to_add; | 305 map_[word] |= to_add; |
| 306 } else { | 306 } else { |
| 307 map_[word] &= ~to_add; | 307 map_[word] &= ~to_add; |
| 308 } | 308 } |
| 309 } | 309 } |
| 310 | 310 |
| 311 } // namespace disk_cache | 311 } // namespace disk_cache |
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Chromium Code Reviews
Issue 121643003:
Reorganize net/disk_cache into backend specific directories. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src