FileDesc Class Reference

#include <filemgr.h>

Collaboration diagram for FileDesc:

Public Member Functions
int	getFd ()
long	read (void *buf, long count)
long	seek (long offset, int whence)
long	write (const void *buf, long count)

Public Attributes
int	mode
char *	path
int	perms
bool	tryDowngrade

Private Member Functions
	FileDesc (FileMgr *parent, const char *path, int mode, int perms, bool tryDowngrade)
virtual	~FileDesc ()

Private Attributes
int	fd
FileDesc *	next
long	offset
FileMgr *	parent

Friends
class	FileMgr

Detailed Description

This class represents one file. It works with the FileMgr object.

Definition at line 215 of file filemgr.h.

Constructor & Destructor Documentation

FileDesc::FileDesc ( FileMgr *  parent, const char *  path, int  mode, int  perms, bool  tryDowngrade  )

private

Definition at line 122 of file filemgr.cpp.

                                                                                            {
    this->parent = parent;
    this->path = 0;
    stdstr(&this->path, path);
    this->mode = mode;
    this->perms = perms;
    this->tryDowngrade = tryDowngrade;
    offset = 0;
    fd = -77;
}

FileDesc::~FileDesc ( )

privatevirtual

Definition at line 134 of file filemgr.cpp.

                    {
    if (fd > 0)
        FileMgr::closeFile(fd);

    if (path)
        delete [] path;
}

Member Function Documentation

int FileDesc::getFd ( )

inline

Returns

File handle. NOTE: magic file descriptor -77 = closed to avoid os limits

Definition at line 231 of file filemgr.h.

                       {
        if (fd == -77)
            fd = parent->sysOpen(this);
//      if ((fd < -1) && (fd != -77))  // kludge to handle ce
//          return 777;
        return fd;
    }

long FileDesc::read	(	void *	buf,
		long	count
	)

Definition at line 148 of file filemgr.cpp.

                                         {
    return ::read(getFd(), buf, count);
}

long FileDesc::seek	(	long	offset,
		int	whence
	)

Definition at line 143 of file filemgr.cpp.

                                           {
    return lseek(getFd(), offset, whence);
}

long FileDesc::write	(	const void *	buf,
		long	count
	)

Definition at line 153 of file filemgr.cpp.

                                                {
    return FileMgr::write(getFd(), buf, count);
}

Friends And Related Function Documentation

friend class FileMgr

friend

Definition at line 217 of file filemgr.h.

Member Data Documentation

int FileDesc::fd

private

Definition at line 220 of file filemgr.h.

int FileDesc::mode

File access mode.

Definition at line 248 of file filemgr.h.

FileDesc* FileDesc::next

private

Definition at line 222 of file filemgr.h.

long FileDesc::offset

private

Definition at line 219 of file filemgr.h.

FileMgr* FileDesc::parent

private

Definition at line 221 of file filemgr.h.

char* FileDesc::path

Path to file.

Definition at line 245 of file filemgr.h.

int FileDesc::perms

File permissions.

Definition at line 251 of file filemgr.h.

bool FileDesc::tryDowngrade

Definition at line 254 of file filemgr.h.

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

• include/filemgr.h
• src/mgr/filemgr.cpp