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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 #include "base/file_util.h" | 5 #include "base/file_util.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 #include <psapi.h> | 8 #include <psapi.h> |
| 9 #include <shellapi.h> | 9 #include <shellapi.h> |
| 10 #include <shlobj.h> | 10 #include <shlobj.h> |
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| 592 if (!file) | 592 if (!file) |
| 593 return -1; | 593 return -1; |
| 594 | 594 |
| 595 DWORD read; | 595 DWORD read; |
| 596 if (::ReadFile(file, data, size, &read, NULL) && | 596 if (::ReadFile(file, data, size, &read, NULL) && |
| 597 static_cast<int>(read) == size) | 597 static_cast<int>(read) == size) |
| 598 return read; | 598 return read; |
| 599 return -1; | 599 return -1; |
| 600 } | 600 } |
| 601 | 601 |
| 602 } // namespace base | |
| 603 | |
| 604 // ----------------------------------------------------------------------------- | |
| 605 | |
| 606 namespace file_util { | |
| 607 | |
| 608 using base::DirectoryExists; | |
| 609 using base::FilePath; | |
| 610 using base::kFileShareAll; | |
| 611 | |
| 612 FILE* OpenFile(const std::string& filename, const char* mode) { | |
| 613 base::ThreadRestrictions::AssertIOAllowed(); | |
| 614 return _fsopen(filename.c_str(), mode, _SH_DENYNO); | |
| 615 } | |
| 616 | |
| 617 int WriteFile(const FilePath& filename, const char* data, int size) { | 602 int WriteFile(const FilePath& filename, const char* data, int size) { |
| 618 base::ThreadRestrictions::AssertIOAllowed(); | 603 ThreadRestrictions::AssertIOAllowed(); |
| 619 base::win::ScopedHandle file(CreateFile(filename.value().c_str(), | 604 base::win::ScopedHandle file(CreateFile(filename.value().c_str(), |
| 620 GENERIC_WRITE, | 605 GENERIC_WRITE, |
| 621 0, | 606 0, |
| 622 NULL, | 607 NULL, |
| 623 CREATE_ALWAYS, | 608 CREATE_ALWAYS, |
| 624 0, | 609 0, |
| 625 NULL)); | 610 NULL)); |
| 626 if (!file) { | 611 if (!file) { |
| 627 DLOG_GETLASTERROR(WARNING) << "CreateFile failed for path " | 612 DLOG_GETLASTERROR(WARNING) << "CreateFile failed for path " |
| 628 << filename.value(); | 613 << UTF16ToUTF8(filename.value()); |
| 629 return -1; | 614 return -1; |
| 630 } | 615 } |
| 631 | 616 |
| 632 DWORD written; | 617 DWORD written; |
| 633 BOOL result = ::WriteFile(file, data, size, &written, NULL); | 618 BOOL result = ::WriteFile(file, data, size, &written, NULL); |
| 634 if (result && static_cast<int>(written) == size) | 619 if (result && static_cast<int>(written) == size) |
| 635 return written; | 620 return written; |
| 636 | 621 |
| 637 if (!result) { | 622 if (!result) { |
| 638 // WriteFile failed. | 623 // WriteFile failed. |
| 639 DLOG_GETLASTERROR(WARNING) << "writing file " << filename.value() | 624 DLOG_GETLASTERROR(WARNING) << "writing file " |
| 640 << " failed"; | 625 << UTF16ToUTF8(filename.value()) << " failed"; |
| 641 } else { | 626 } else { |
| 642 // Didn't write all the bytes. | 627 // Didn't write all the bytes. |
| 643 DLOG(WARNING) << "wrote" << written << " bytes to " | 628 DLOG(WARNING) << "wrote" << written << " bytes to " |
| 644 << filename.value() << " expected " << size; | 629 << UTF16ToUTF8(filename.value()) << " expected " << size; |
| 645 } | 630 } |
| 646 return -1; | 631 return -1; |
| 647 } | 632 } |
| 648 | 633 |
| 634 } // namespace base |
| 635 |
| 636 // ----------------------------------------------------------------------------- |
| 637 |
| 638 namespace file_util { |
| 639 |
| 640 using base::DirectoryExists; |
| 641 using base::FilePath; |
| 642 using base::kFileShareAll; |
| 643 |
| 644 FILE* OpenFile(const std::string& filename, const char* mode) { |
| 645 base::ThreadRestrictions::AssertIOAllowed(); |
| 646 return _fsopen(filename.c_str(), mode, _SH_DENYNO); |
| 647 } |
| 648 |
| 649 int AppendToFile(const FilePath& filename, const char* data, int size) { | 649 int AppendToFile(const FilePath& filename, const char* data, int size) { |
| 650 base::ThreadRestrictions::AssertIOAllowed(); | 650 base::ThreadRestrictions::AssertIOAllowed(); |
| 651 base::win::ScopedHandle file(CreateFile(filename.value().c_str(), | 651 base::win::ScopedHandle file(CreateFile(filename.value().c_str(), |
| 652 FILE_APPEND_DATA, | 652 FILE_APPEND_DATA, |
| 653 0, | 653 0, |
| 654 NULL, | 654 NULL, |
| 655 OPEN_EXISTING, | 655 OPEN_EXISTING, |
| 656 0, | 656 0, |
| 657 NULL)); | 657 NULL)); |
| 658 if (!file) { | 658 if (!file) { |
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| 804 // Like Move, this function is not transactional, so we just | 804 // Like Move, this function is not transactional, so we just |
| 805 // leave the copied bits behind if deleting from_path fails. | 805 // leave the copied bits behind if deleting from_path fails. |
| 806 // If to_path exists previously then we have already overwritten | 806 // If to_path exists previously then we have already overwritten |
| 807 // it by now, we don't get better off by deleting the new bits. | 807 // it by now, we don't get better off by deleting the new bits. |
| 808 } | 808 } |
| 809 return false; | 809 return false; |
| 810 } | 810 } |
| 811 | 811 |
| 812 } // namespace internal | 812 } // namespace internal |
| 813 } // namespace base | 813 } // namespace base |
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