llvm::FilePermissionsApplier Class Reference

FilePermssionsApplier helps to copy permissions from an input file to an output one. More...

#include "llvm/Support/FileUtilities.h"

Public Member Functions
Error	apply (StringRef OutputFilename, bool CopyDates=false, std::optional< sys::fs::perms > OverwritePermissions=std::nullopt)
	Apply stored permissions to the OutputFilename.

Static Public Member Functions
static Expected< FilePermissionsApplier >	create (StringRef InputFilename)

Detailed Description

FilePermssionsApplier helps to copy permissions from an input file to an output one.

It memorizes the status of the input file and can apply permissions and dates to the output file.

Definition at line 117 of file FileUtilities.h.

Member Function Documentation

apply()

Error FilePermissionsApplier::apply	(	StringRef	OutputFilename,
		bool	CopyDates = false,
		std::optional< sys::fs::perms >	OverwritePermissions = std::nullopt
	)

Apply stored permissions to the OutputFilename.

Copy LastAccess and ModificationTime if CopyDates is true. Overwrite stored permissions if OverwritePermissions is specified.

Definition at line 342 of file FileUtilities.cpp.

References llvm::sys::fs::CD_OpenExisting, llvm::sys::fs::changeFileOwnership(), llvm::createFileError(), llvm::sys::fs::getUmask(), llvm::sys::fs::basic_file_status::getUser(), llvm::sys::fs::openFileForWrite(), OutputFilename, llvm::sys::fs::regular_file, llvm::sys::Process::SafelyCloseFileDescriptor(), llvm::sys::fs::setLastAccessAndModificationTime(), llvm::sys::fs::setPermissions(), llvm::sys::fs::status(), llvm::Error::success(), and llvm::sys::fs::basic_file_status::type().

create()

Expected< FilePermissionsApplier > FilePermissionsApplier::create ( StringRef  InputFilename )

static

Definition at line 329 of file FileUtilities.cpp.

References llvm::createFileError(), and llvm::sys::fs::status().

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The documentation for this class was generated from the following files:

• include/llvm/Support/FileUtilities.h
• lib/Support/FileUtilities.cpp