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Questions tagged [fat]

FAT short for File Allocation Table is the name of a computer file system architecture and a family of industry standard file systems utilizing it.

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Safely Remove Mounted Drive

I have an application that writes files to an external drive formatted as NTFS through the SATA interface. Before closing the application I make sure that everything is flushed using FlushFileBuffers for each file (i.e. CreateFile, FlushFileBuffers,…
ronag
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Delegating Constructors with Inheritance in C++ FAT Filesystem Emulation

I'm currently creating a FAT filesystem in C++. I have three classes: Sdisk (which formats the disk via string to file output). Filesys (which writes the FAT and the root). Shell (offers ability to perform various file system operations.) During…
SaundersB
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File Allocation Table logical structure

I’m trying to understand how FAT file systems work from a higher (more logical) level. A FAT file system has a file allocation table, with 1 entry for each available allocation unit (cluster) in the disk. This data structure is used to map a file…
Frederic
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FAT BPB and little endian reversal

My CPU is little endian, which documentation has told me conforms to the byte-order of the FAT specification. Why then, am I getting a valid address for the BS_jmpBoot, bytes 0-3 of first sector, but not getting a valid number for BPB_BytesPerSec,…
Kdawg
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Git diff is present on symbolic links on Windows but not on Mac on FAT file system

I have a FAT external disk on which I store my GIT repos and use that reops both on Mac and on Windows. As FAT has no permissions, when I have copied files from local disk to external FAT disk I had git diffs because of the file mode changes. I have…
Narek
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OS development: Implementing FAT12 Write Function

So im pretty new at OS development, right now im writing my FAT12 filesystem code. I got all the writing to floppy disk using the FDC code working but I cant seem to wrap my head around how I should proceed when writing a file to disk. I know where…
Andres Bejarano
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Create a FAT source-only jar using Gradle

I need to create a jar that includes dependencies (a FAT jar) using Gradle. The catch: the jar needs to only include the straight .groovy files... no .class files. I've seen the way to do it from the Gradle cookbook:…
twbbas
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clusters, pages, sectors in FAT file system

Im trying to understand the concept of a "cluster" in a FAT filesystem. Specifically what is the relationship between a cluster, a Block, A Sector. My understanding is the following 1) A Block/Page is 4096 bytes and a block is divided into …
banditKing
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Converting the cluster number stored in FAT table (of FAT12 filesystem) for reading from a floppy disk

I'm writing a two stage bootloader for a FAT12 filesystem. The stage1 of the bootloader loads the stage2 from a floppy disk which is in FAT12 filesystem. Now I am having problem converting the cluster number (that I obtain from the FAT table) to a…
Saurav Deb Purkayastha
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How can I read HDD volume serial number using VB 6?

How can I read HDD volume serial number using VB 6 but without using any ActiveX controls or third party add-ons?
Robert Jung
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Big DB file support on Android

We all know that Android doesn't support any filesystem for SD cards except FAT. I have huge DB sqlite file (approx. 9 Gb) and I would like to work with the file on my mobile device, but now it's impossible. Can I divide the file into some smaller…
GuenterR
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FAT: List all files in a directory

I'm using Chan's FAT library that seems to provide a standard FAT filesystem API. The API doesn't seem to directly offer to list all the files in a given directory. What is the standard way to list all files in a directory given access to a…
Randomblue
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FILESTREAM in SQL Server 2008 cannot be used on FAT systems?

According to this article: http://technet.microsoft.com/en-us/library/bb933993.aspx the FILESTREAM type is used for NTFS systems. Does that mean it can't be used on FAT systems?
CJ7
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Scan a USB for Folders which have mp3 file in them using ELM CHAN fatfs?

I am tying to scan usb msc in stm32 for audio files. This mp3 files are scattered in many folders which are unknown to the application. First I scan for directories in the root folder and find folders then I scan folders for mp3 files. This is very…
Nima Aghayan
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Sort a list of file paths without using memory or array in C?

I Use ELM Chan fatfs library for file system. This application reads a USB memory MSC. I want to read all the MP3 files in root directory in a sorted manner but I can not use an array to save all the file paths, Number of files exceeds ram memory of…
Nima Aghayan
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