Exiv2::FileIo::Impl Class Reference

Internal Pimpl structure of class FileIo. More...

Collaboration diagram for Exiv2::FileIo::Impl:

Classes
struct	StructStat
	Simple struct stat wrapper for internal use. More...

Public Types
enum	OpMode { opRead, opWrite, opSeek }
	Mode of operation.

Public Member Functions
	Impl (const std::string &path)
	Constructor.
int	switchMode (OpMode opMode)
	Switch to a new access mode, reopening the file if needed. Optimized to only reopen the file when it is really necessary. More...
int	stat (StructStat &buf) const
	stat wrapper for internal use
void	copyXattrFrom (const FileIo &src)
	copy extended attributes (xattr) from another file

Public Attributes
std::string	path_
	(Standard) path
std::string	openMode_
	File open mode.
FILE *	fp_
	File stream pointer.
OpMode	opMode_
	File open mode.
byte *	pMappedArea_
	Pointer to the memory-mapped area.
size_t	mappedLength_
	Size of the memory-mapped area.
bool	isMalloced_
	Is the mapped area allocated?
bool	isWriteable_
	Can the mapped area be written to?

Detailed Description

Internal Pimpl structure of class FileIo.

Member Function Documentation

switchMode()

int Exiv2::FileIo::Impl::switchMode

(

OpMode

opMode

)

Switch to a new access mode, reopening the file if needed. Optimized to only reopen the file when it is really necessary.

Parameters

opMode

The mode to switch to.

Returns

0 if successful

Referenced by Exiv2::FileIo::getb(), Exiv2::FileIo::mmap(), Exiv2::FileIo::munmap(), Exiv2::FileIo::putb(), Exiv2::FileIo::read(), Exiv2::FileIo::seek(), and Exiv2::FileIo::write().

---

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

• basicio.cpp