FatFile.c File Reference

#include <Fs/Fat/Fat.h>
#include <Fs/vdisk.h>
#include <Fs/vfs.h>
#include <Mm/kmalloc.h>
#include <Mm/pmmngr.h>
#include <Mm/vmmngr.h>
#include <string.h>
#include <_null.h>
#include <aucon.h>
#include <Drivers/uart.h>

Include dependency graph for FatFile.c:

Functions
AuVFSNode *	FatFileGetParent (AuVFSNode *fsys, const char *filename)
AuVFSNode *	FatCreateFile (AuVFSNode *fsys, char *filename)
void	FatFileUpdateSize (AuVFSNode *fsys, AuVFSNode *file, size_t size)
int	FatFileUpdateFilename (AuVFSNode *fsys, AuVFSNode *file, char *newname)
void	FatFileWriteContent (AuVFSNode *fsys, AuVFSNode *file, uint64_t *buffer)
void	FatFileWriteDone (AuVFSNode *file)
size_t	FatWrite (AuVFSNode *fsys, AuVFSNode *file, uint64_t *buffer, uint32_t length)
	FatWrite – write callback.
int	FatFileClearDirEntry (AuVFSNode *fsys, AuVFSNode *file)
	FatFileClearDirEntry – clears an entry of a directory.
int	FatFileRemove (AuVFSNode *fsys, AuVFSNode *file)
	FatFileRemove – remove a file.

Variables
AuVFSNode *	__RootFS

Function Documentation

FatCreateFile()

AuVFSNode * FatCreateFile	(	AuVFSNode *	fsys,
		char *	filename
	)

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

FatFileClearDirEntry()

int FatFileClearDirEntry	(	AuVFSNode *	fsys,
		AuVFSNode *	file
	)

FatFileClearDirEntry – clears an entry of a directory.

Parameters

fsys	– Pointer to file system node
file	– Pointer to file

FatFileGetParent()

AuVFSNode * FatFileGetParent	(	AuVFSNode *	fsys,
		const char *	filename
	)

TODO: File re updating its content, expanding the cluster chain or reupdating it's previous cluster chain with expand

FatFileRemove()

int FatFileRemove	(	AuVFSNode *	fsys,
		AuVFSNode *	file
	)

FatFileRemove – remove a file.

Parameters

fsys	– Pointer to file
file	– file to remove

FatFileUpdateFilename()

int FatFileUpdateFilename	(	AuVFSNode *	fsys,
		AuVFSNode *	file,
		char *	newname
	)

FatFileUpdateSize()

void FatFileUpdateSize	(	AuVFSNode *	fsys,
		AuVFSNode *	file,
		size_t	size
	)

FatFileWriteContent()

void FatFileWriteContent	(	AuVFSNode *	fsys,
		AuVFSNode *	file,
		uint64_t *	buffer
	)

FatFileWriteDone()

void FatFileWriteDone

(

AuVFSNode *

file

)

FatWrite()

size_t FatWrite	(	AuVFSNode *	fsys,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	length
	)

FatWrite – write callback.

Parameters

fsys	– pointer to file system
file	– pointer to file
buffer	– buffer to write
length	– bytes needed to write

Variable Documentation

__RootFS

AuVFSNode* __RootFS

extern

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.