DOS ain't dead

Creating files: Lack of error checking in TF kernel (Developers)

posted by DOS386, 04.05.2011, 11:14

> > So what was write-protected now?
> If the disk device is write-protected, then the file system
> is write-protected.
> If the file system is write-protected, then the directories
> are write-protected.
> Was this conclusion so hard?

NO. FAT directory entries do carry an R attribute bit, having no effect, they are still writable even if the bit is set. But some apps do peek this bit and refuse to write then

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This is a LOGITECH mouse driver, but some software expect here
the following string:*** This is Copyright 1983 Microsoft ***

Complete thread:

• Different behavior of fopen("w") under freedos and msdos? - RayeR, 16.03.2011, 00:55 (Developers)
  • Different behavior of fopen("w") under freedos and msdos? - ecm, 16.03.2011, 18:27
    • Different behavior of fopen("w") under freedos and msdos? - RayeR, 17.03.2011, 14:58
      • Creating files: Lack of error checking in TF kernel - ecm, 17.03.2011, 15:40
        • Creating files: Lack of error checking in TF kernel - ecm, 08.04.2011, 21:38
          • Creating files: Lack of error checking in TF kernel - RayeR, 10.04.2011, 00:25
            • Creating files: Lack of error checking in TF kernel - ecm, 10.04.2011, 00:35
        • Creating files: Lack of error checking in TF kernel - DOS386, 03.05.2011, 09:56
          • Creating files: Lack of error checking in TF kernel - ecm, 03.05.2011, 18:03
            • Creating files: Lack of error checking in TF kernel - DOS386, 04.05.2011, 11:14
              • Terminology - ecm, 04.05.2011, 14:07
          • Creating files: Lack of error checking in TF kernel - RayeR, 04.05.2011, 18:48