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path: root/lib/Support/Path.cpp
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* Don't leak a file descriptor.Rafael Espindola2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211699 91177308-0d34-0410-b5e6-96231b3b80d8
* Code cleanup.Logan Chien2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211697 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Add llvm::sys::fs::copy_fileJustin Bogner2014-06-19
| | | | | | A function to copy one file's contents to another. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211302 91177308-0d34-0410-b5e6-96231b3b80d8
* Finishing touch for the std::error_code transition.Rafael Espindola2014-06-13
| | | | | | | | | | | While std::error_code itself seems to work OK in all platforms, there are few annoying differences with regards to the std::errc enumeration. This patch adds a simple llvm enumeration, which will hopefully avoid build breakages in other platforms and surprises as we get more uses of std::error_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210920 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove 'using std::errro_code' from lib.Rafael Espindola2014-06-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210871 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use 'using std::error_code' in include/llvm.Rafael Espindola2014-06-12
| | | | | | This should make sure that most new uses use the std prefix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210835 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't put generic_category in the llvm namespace.Rafael Espindola2014-06-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210737 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement get_magic with generic tools and inline it.Rafael Espindola2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210716 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused has_magic.Rafael Espindola2014-06-11
| | | | | | | This will allow inlining get_magic, which should in turn fix one of the mingw build problems after the switch to std::error_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210712 91177308-0d34-0410-b5e6-96231b3b80d8
* Use std::error_code instead of llvm::error_code.Rafael Espindola2014-06-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea of this patch is to turn llvm/Support/system_error.h into a transitional header that just brings in the erorr_code api to the llvm namespace. I will remove it shortly afterwards. The cases where the general idea needed some tweaking: * std::errc is a namespace in msvc, so we cannot use "using std::errc". I could add an #ifdef, but there were not that many uses, so I just added std:: to them in this patch. * Template specialization had to be moved to the std namespace in this patch set already. * The msvc implementation of default_error_condition doesn't seem to provide the same transformations as we need. Not too surprising since the standard doesn't actually say what "equivalent" means. I fixed the problem by keeping our old mapping and using it at error_code construction time. Despite these shortcomings I think this is still a good thing. Some reasons: * The different implementations of system_error might improve over time. * It removes 925 lines of code from llvm already. * It removes 6313 bytes from the text segment of the clang binary when it is built with gcc and 2816 bytes when building with clang and libstdc++. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210687 91177308-0d34-0410-b5e6-96231b3b80d8
* Use error_code() instead of error_code::succes()Rafael Espindola2014-05-31
| | | | | | | There is no std::error_code::success, so this removes much of the noise in transitioning to std::error_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209952 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix hardcoded slash to native path seperator which was exposed from ↵Yaron Keren2014-05-16
| | | | | | | | | | llvm::sys::path. http://reviews.llvm.org/D3687 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208980 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] Make use of 'nullptr' in the Support library.Craig Topper2014-04-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205697 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead and incorrect code.Rafael Espindola2014-03-20
| | | | | | is_symlink was always false since it was using stat instead of lstat. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204361 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: add support to identify WinCOFF/ARM objectsSaleem Abdulrasool2014-03-13
| | | | | | | Add the Windows COFF ARM object file magic. This enables the LLVM tools to interact with COFF object files for Windows on ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203761 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an inconsistency in treatment of trailing / in path::const_iteratorBen Langmuir2014-03-05
| | | | | | | | | When using a //net/ path, we were transforming the trailing / into a '.' when the path was just the root path and we were iterating backwards. Forwards iteration and other kinds of root path (C:\, /) were already correct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202999 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace the F_Binary flag with a F_Text one.Rafael Espindola2014-02-24
| | | | | | | | | After this I will set the default back to F_None. The advantage is that before this patch forgetting to set F_Binary would corrupt a file on windows. Forgetting to set F_Text produces one that cannot be read in notepad, which is a better failure mode :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202052 91177308-0d34-0410-b5e6-96231b3b80d8
* Share a createUniqueEntity implementation between unix and windows.Rafael Espindola2014-02-24
| | | | | | | The only extra bit of functionality that had to be exposed for this be be implemented in Path.cpp is opening a file in rw mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202005 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify remove, create_directory and create_directories.Rafael Espindola2014-02-23
| | | | | | | | | | | | | | | Before this patch they would take an boolean argument to say if the path already existed. This was redundant with the returned error_code which is able to represent that. This allowed for callers to incorrectly check only the existed flag instead of first checking the error code. Instead, pass in a boolean flag to say if the previous (non-)existence should be an error or not. Callers of the of the old simple versions are not affected. They still ignore the previous (non-)existence as they did before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201979 91177308-0d34-0410-b5e6-96231b3b80d8
* Use mkdir instead of stat+mkdir.Rafael Espindola2014-02-13
| | | | | | | | | | | | | This is an optimistic version of create_diretories: it tries to create the directory first and looks at the parent only if that fails. Running strace on "mkdir -p" shows that it is pessimistic, calling mkdir on every element of the path. We could implement that if needed. In any case, with both strategies there is no reason to call stat, just check the return of mkdir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201347 91177308-0d34-0410-b5e6-96231b3b80d8
* _CS_DARWIN_USER macros available on darwin>=9. Thanks, Dave Odell!David Fang2014-02-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201255 91177308-0d34-0410-b5e6-96231b3b80d8
* Using the helper API for random number generation.Aaron Ballman2014-02-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201125 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix known typosAlp Toker2014-01-24
| | | | | | | Sweep the codebase for common typos. Includes some changes to visible function names that were misspelt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200018 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove remove_all. A compiler has no need for recursively deleting a directory.Rafael Espindola2014-01-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198955 91177308-0d34-0410-b5e6-96231b3b80d8
* Path: Recognize COFF import library file magic.Rui Ueyama2013-11-15
| | | | | | | | | | | | Summary: Make identify_magic to recognize COFF import file. Reviewers: Bigcheese CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2165 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194852 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize 0x0000 as a COFF file magic.Rui Ueyama2013-11-14
| | | | | | | | | | | | | | | Summary: Some machine-type-neutral object files containing only undefined symbols actually do exist in the Windows standard library. Need to recognize them as COFF files. Reviewers: Bigcheese CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2164 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194734 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in Windows resource file detection.Rui Ueyama2013-10-16
| | | | | | The magic bytes should not include the trailing NUL byte. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192769 91177308-0d34-0410-b5e6-96231b3b80d8
* Path: Recognize Windows compiled resource file.Rui Ueyama2013-10-15
| | | | | | | | | | | | | | Some background: One can pass compiled resource files (.res files) directly to the linker on Windows. If a resource file is given, the linker will run "cvtres" command in background to convert the resource file to a COFF file to link it. What I'm trying to do with this patch is to make the linker to recognize the resource file by file magic, so that it can run cvtres command. Differential Revision: http://llvm-reviews.chandlerc.com/D1943 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192742 91177308-0d34-0410-b5e6-96231b3b80d8
* Path: Add an in-place version of path::native.Benjamin Kramer2013-09-11
| | | | | | | | This reflects the common use case of nativizing a prepared path. The existing version invokes undefined behavior if input = output, add an assert to catch that case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190510 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes a bug when iterating on pathsTareq A. Siraj2013-08-12
| | | | | | | | | | This fixes the incorrect implementation of iterating on file/directory paths. Differential Review: http://llvm-reviews.chandlerc.com/D1277 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188183 91177308-0d34-0410-b5e6-96231b3b80d8
* Include st_dev to make the result of getUniqueID actually unique.Rafael Espindola2013-07-29
| | | | | | This will let us use getUniqueID instead of st_dev directly on clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187378 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't end a file name with a dot. It looks odd.Rafael Espindola2013-07-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187124 91177308-0d34-0410-b5e6-96231b3b80d8
* Split openFileForWrite into windows and unix versions.Rafael Espindola2013-07-19
| | | | | | It is similar to 186511, but for creating files for writing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186679 91177308-0d34-0410-b5e6-96231b3b80d8
* Split openFileForRead into Windows and Unix versions.Rafael Espindola2013-07-17
| | | | | | | | | | | This has some advantages: * Lets us use native, utf16 windows functions. * Easy to produce good errors on windows about trying to use a directory when we want a file. * Simplifies the unix version a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186511 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a wrapper for open.Rafael Espindola2013-07-16
| | | | | | | This centralizes the handling of O_BINARY and opens the way for hiding more differences (like how open behaves with directories). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186447 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unique_file now that it is unused.Rafael Espindola2013-07-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185728 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a createUniqueFile function and switch llvm's users of unique_file.Rafael Espindola2013-07-05
| | | | | | | | | | | | | | This function is complementary to createTemporaryFile. It handles the case were the unique file is *not* temporary: we will rename it in the end. Since we will rename it, the file has to be in the same filesystem as the final destination and we don't prepend the system temporary directory. This has a small semantic difference from unique_file: the default mode is 0666. This matches the behavior of most unix tools. For example, with this change lld now produces files with the same permissions as ld. I will add a test of this change when I port clang over to createUniqueFile (next commit). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185726 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a higher level createTemporaryFile function.Rafael Espindola2013-07-05
| | | | | | | | This function is inspired by clang's Driver::GetTemporaryPath. It hides the pattern used for uniquing and requires simple file names that are always placed in the system temporary directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185716 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve comment.Rafael Espindola2013-06-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185141 91177308-0d34-0410-b5e6-96231b3b80d8
* Improvements to unique_file and createUniqueDirectory.Rafael Espindola2013-06-28
| | | | | | | | | | | | | | | | | | | * Don't try to create parent directories in unique_file. It had two problem: * It violates the contract that it is atomic. If the directory creation success and the file creation fails, we would return an error but the file system was modified. * When creating a temporary file clang would have to first check if the parent directory existed or not to avoid creating one when it was not supposed to. * More efficient implementations of createUniqueDirectory and the unique_file that produces only the file name. Now all 3 just call into a static function passing what they want (name, file or directory). Clang also has to be updated, so tests might fail if a bot picks up this commit and not the corresponding clang one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185126 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't ask for a mode when we are not keeping the file.Rafael Espindola2013-06-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185123 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a convenience createUniqueDirectory function.Rafael Espindola2013-06-27
| | | | | | | | | | | There are a few valid situation where we care about the structure inside a directory, but not about the directory itself. A simple example is for unit testing directory traversal. PathV1 had a function like this, add one to V2 and port existing users of the created temp file and delete it hack to using it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185059 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename PathV2 to just Path now that it is the only one.Rafael Espindola2013-06-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185015 91177308-0d34-0410-b5e6-96231b3b80d8
* PathV1 is deprecated since the 18th of Dec 2010. Remove it.Rafael Espindola2013-06-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184960 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove Path::isObjectFile.Rafael Espindola2013-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184305 91177308-0d34-0410-b5e6-96231b3b80d8
* Inline Path::isBitcodeFile into only use and remove it.Rafael Espindola2013-06-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183840 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove Path::hasMagicNumber.Rafael Espindola2013-06-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183838 91177308-0d34-0410-b5e6-96231b3b80d8
* Include PathV1.h in files that use it.Rafael Espindola2013-06-11
| | | | | | This is preparation for replacing Path.h with PathV2.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183782 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove Path::getDirname.Rafael Espindola2013-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183780 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove GetDLLSuffix.Rafael Espindola2013-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183777 91177308-0d34-0410-b5e6-96231b3b80d8
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