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1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 /* Copyright (c) 2012 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 | 5 |
6 #ifndef LIBRARIES_NACL_MOUNTS_MOUNT_NODE_MEM_H_ | 6 #ifndef LIBRARIES_NACL_MOUNTS_MOUNT_NODE_MEM_H_ |
7 #define LIBRARIES_NACL_MOUNTS_MOUNT_NODE_MEM_H_ | 7 #define LIBRARIES_NACL_MOUNTS_MOUNT_NODE_MEM_H_ |
8 | 8 |
9 #include "mount_node.h" | 9 #include "mount_node.h" |
10 | 10 |
11 class MountNodeMem : public MountNode { | 11 class MountNodeMem : public MountNode { |
12 public: | 12 public: |
13 MountNodeMem(Mount* mount, int ino, int dev); | 13 MountNodeMem(Mount* mount, int ino, int dev); |
14 | 14 |
15 protected: | 15 protected: |
16 virtual ~MountNodeMem(); | 16 virtual ~MountNodeMem(); |
17 virtual bool Init(int mode, short uid, short gid); | 17 virtual bool Init(int mode, short uid, short gid); |
18 | 18 |
19 public: | 19 public: |
20 // Normal read/write operations on a file | 20 // Normal read/write operations on a file |
21 virtual int Read(size_t offs, void* buf, size_t count); | 21 virtual int Read(size_t offs, void* buf, size_t count); |
22 virtual int Write(size_t offs, const void* buf, size_t count); | 22 virtual int Write(size_t offs, const void* buf, size_t count); |
23 virtual int Truncate(size_t size); | 23 virtual int Truncate(size_t size); |
24 | 24 |
25 private: | 25 private: |
26 char* data_; | 26 char* data_; |
27 size_t capacity_; | 27 size_t capacity_; |
28 friend class Mount; | 28 friend class MountMem; |
29 }; | 29 }; |
30 | 30 |
31 #endif // LIBRARIES_NACL_MOUNTS_MOUNT_NODE_MEM_H_ | 31 #endif // LIBRARIES_NACL_MOUNTS_MOUNT_NODE_MEM_H_ |
32 | 32 |
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