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Side by Side Diff: native_client_sdk/src/libraries/nacl_io/fusefs/fuse_fs.cc

Issue 303223007: [NaCl SDK] nacl_io: Run clang-format over nacl_io sources. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 6 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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 "nacl_io/fusefs/fuse_fs.h" 5 #include "nacl_io/fusefs/fuse_fs.h"
6 6
7 #include <errno.h> 7 #include <errno.h>
8 #include <fcntl.h> 8 #include <fcntl.h>
9 #include <string.h> 9 #include <string.h>
10 10
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22 FillDirInfo(GetDentsHelper* getdents, size_t num_bytes) 22 FillDirInfo(GetDentsHelper* getdents, size_t num_bytes)
23 : getdents(getdents), num_bytes(num_bytes), wrote_offset(false) {} 23 : getdents(getdents), num_bytes(num_bytes), wrote_offset(false) {}
24 24
25 GetDentsHelper* getdents; 25 GetDentsHelper* getdents;
26 size_t num_bytes; 26 size_t num_bytes;
27 bool wrote_offset; 27 bool wrote_offset;
28 }; 28 };
29 29
30 } // namespace 30 } // namespace
31 31
32 FuseFs::FuseFs() : fuse_ops_(NULL), fuse_user_data_(NULL) {} 32 FuseFs::FuseFs() : fuse_ops_(NULL), fuse_user_data_(NULL) {
33 }
33 34
34 Error FuseFs::Init(const FsInitArgs& args) { 35 Error FuseFs::Init(const FsInitArgs& args) {
35 Error error = Filesystem::Init(args); 36 Error error = Filesystem::Init(args);
36 if (error) 37 if (error)
37 return error; 38 return error;
38 39
39 fuse_ops_ = args.fuse_ops; 40 fuse_ops_ = args.fuse_ops;
40 if (fuse_ops_ == NULL) 41 if (fuse_ops_ == NULL)
41 return EINVAL; 42 return EINVAL;
42 43
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197 if (result < 0) 198 if (result < 0)
198 return -result; 199 return -result;
199 200
200 return 0; 201 return 0;
201 } 202 }
202 203
203 FuseFsNode::FuseFsNode(Filesystem* filesystem, 204 FuseFsNode::FuseFsNode(Filesystem* filesystem,
204 struct fuse_operations* fuse_ops, 205 struct fuse_operations* fuse_ops,
205 struct fuse_file_info& info, 206 struct fuse_file_info& info,
206 const std::string& path) 207 const std::string& path)
207 : Node(filesystem), fuse_ops_(fuse_ops), info_(info), path_(path) {} 208 : Node(filesystem), fuse_ops_(fuse_ops), info_(info), path_(path) {
209 }
208 210
209 bool FuseFsNode::CanOpen(int open_flags) { 211 bool FuseFsNode::CanOpen(int open_flags) {
210 struct stat statbuf; 212 struct stat statbuf;
211 Error error = GetStat(&statbuf); 213 Error error = GetStat(&statbuf);
212 if (error) 214 if (error)
213 return false; 215 return false;
214 216
215 // GetStat cached the mode in stat_.st_mode. Forward to Node::CanOpen, 217 // GetStat cached the mode in stat_.st_mode. Forward to Node::CanOpen,
216 // which will check this mode against open_flags. 218 // which will check this mode against open_flags.
217 return Node::CanOpen(open_flags); 219 return Node::CanOpen(open_flags);
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264 return error; 266 return error;
265 267
266 *out_size = stat_.st_size; 268 *out_size = stat_.st_size;
267 return 0; 269 return 0;
268 } 270 }
269 271
270 FileFuseFsNode::FileFuseFsNode(Filesystem* filesystem, 272 FileFuseFsNode::FileFuseFsNode(Filesystem* filesystem,
271 struct fuse_operations* fuse_ops, 273 struct fuse_operations* fuse_ops,
272 struct fuse_file_info& info, 274 struct fuse_file_info& info,
273 const std::string& path) 275 const std::string& path)
274 : FuseFsNode(filesystem, fuse_ops, info, path) {} 276 : FuseFsNode(filesystem, fuse_ops, info, path) {
277 }
275 278
276 void FileFuseFsNode::Destroy() { 279 void FileFuseFsNode::Destroy() {
277 if (!fuse_ops_->release) 280 if (!fuse_ops_->release)
278 return; 281 return;
279 fuse_ops_->release(path_.c_str(), &info_); 282 fuse_ops_->release(path_.c_str(), &info_);
280 } 283 }
281 284
282 Error FileFuseFsNode::FSync() { 285 Error FileFuseFsNode::FSync() {
283 if (!fuse_ops_->fsync) 286 if (!fuse_ops_->fsync)
284 return ENOSYS; 287 return ENOSYS;
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340 // TODO(binji): What should we do if the user breaks this contract? Warn? 343 // TODO(binji): What should we do if the user breaks this contract? Warn?
341 // TODO(binji): support the direct_io flag 344 // TODO(binji): support the direct_io flag
342 *out_bytes = result; 345 *out_bytes = result;
343 return 0; 346 return 0;
344 } 347 }
345 348
346 DirFuseFsNode::DirFuseFsNode(Filesystem* filesystem, 349 DirFuseFsNode::DirFuseFsNode(Filesystem* filesystem,
347 struct fuse_operations* fuse_ops, 350 struct fuse_operations* fuse_ops,
348 struct fuse_file_info& info, 351 struct fuse_file_info& info,
349 const std::string& path) 352 const std::string& path)
350 : FuseFsNode(filesystem, fuse_ops, info, path) {} 353 : FuseFsNode(filesystem, fuse_ops, info, path) {
354 }
351 355
352 void DirFuseFsNode::Destroy() { 356 void DirFuseFsNode::Destroy() {
353 if (!fuse_ops_->releasedir) 357 if (!fuse_ops_->releasedir)
354 return; 358 return;
355 fuse_ops_->releasedir(path_.c_str(), &info_); 359 fuse_ops_->releasedir(path_.c_str(), &info_);
356 } 360 }
357 361
358 Error DirFuseFsNode::FSync() { 362 Error DirFuseFsNode::FSync() {
359 if (!fuse_ops_->fsyncdir) 363 if (!fuse_ops_->fsyncdir)
360 return ENOSYS; 364 return ENOSYS;
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442 } else { 446 } else {
443 fill_info->getdents->AddDirent(ino, name, strlen(name)); 447 fill_info->getdents->AddDirent(ino, name, strlen(name));
444 fill_info->num_bytes -= sizeof(dirent); 448 fill_info->num_bytes -= sizeof(dirent);
445 // According to the docs, we can never return 1 (buffer full) when the 449 // According to the docs, we can never return 1 (buffer full) when the
446 // offset is zero (the user is probably ignoring the result anyway). 450 // offset is zero (the user is probably ignoring the result anyway).
447 return 0; 451 return 0;
448 } 452 }
449 } 453 }
450 454
451 } // namespace nacl_io 455 } // namespace nacl_io
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