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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/memfs/mem_fs.h" | 5 #include "nacl_io/memfs/mem_fs.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <fcntl.h> | 8 #include <fcntl.h> |
| 9 | 9 |
| 10 #include <string> | 10 #include <string> |
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| 68 | 68 |
| 69 // If a file is expected, but it's not a file, then fail. | 69 // If a file is expected, but it's not a file, then fail. |
| 70 if ((type & S_IFREG) && node->IsaDir()) | 70 if ((type & S_IFREG) && node->IsaDir()) |
| 71 return EISDIR; | 71 return EISDIR; |
| 72 | 72 |
| 73 // We now have a valid object of the expected type, so return it. | 73 // We now have a valid object of the expected type, so return it. |
| 74 *out_node = node; | 74 *out_node = node; |
| 75 return 0; | 75 return 0; |
| 76 } | 76 } |
| 77 | 77 |
| 78 Error MemFs::Access(const Path& path, int a_mode) { | |
| 79 ScopedNode node; | |
| 80 Error error = FindNode(path, 0, &node); | |
| 81 | |
| 82 if (error) | |
| 83 return error; | |
| 84 | |
| 85 int obj_mode = node->GetMode(); | |
| 86 if (((a_mode & R_OK) && !(obj_mode & S_IREAD)) || | |
| 87 ((a_mode & W_OK) && !(obj_mode & S_IWRITE)) || | |
| 88 ((a_mode & X_OK) && !(obj_mode & S_IEXEC))) { | |
| 89 return EACCES; | |
| 90 } | |
| 91 | |
| 92 return 0; | |
| 93 } | |
| 94 | |
| 95 Error MemFs::Open(const Path& path, int open_flags, ScopedNode* out_node) { | 78 Error MemFs::Open(const Path& path, int open_flags, ScopedNode* out_node) { |
| 96 out_node->reset(NULL); | 79 out_node->reset(NULL); |
| 97 ScopedNode node; | 80 ScopedNode node; |
| 98 | 81 |
| 99 Error error = FindNode(path, 0, &node); | 82 Error error = FindNode(path, 0, &node); |
| 100 if (error) { | 83 if (error) { |
| 101 // If the node does not exist and we can't create it, fail | 84 // If the node does not exist and we can't create it, fail |
| 102 if ((open_flags & O_CREAT) == 0) | 85 if ((open_flags & O_CREAT) == 0) |
| 103 return ENOENT; | 86 return ENOENT; |
| 104 | 87 |
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| 282 if (file_only && child->IsaDir()) | 265 if (file_only && child->IsaDir()) |
| 283 return EISDIR; | 266 return EISDIR; |
| 284 | 267 |
| 285 if (remove_dir && child->ChildCount() > 0) | 268 if (remove_dir && child->ChildCount() > 0) |
| 286 return ENOTEMPTY; | 269 return ENOTEMPTY; |
| 287 | 270 |
| 288 return parent->RemoveChild(path.Basename()); | 271 return parent->RemoveChild(path.Basename()); |
| 289 } | 272 } |
| 290 | 273 |
| 291 } // namespace nacl_io | 274 } // namespace nacl_io |
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