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Re: DOS error code question

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Hi Ed,

"Ed" <invalid@nospam.com> writes:
>According to the MS-DOS docs, the following error codes
>are generated when INT21 functions CREATE WRITE fail:
>
>Int 21 3C CREAT - errors 3, 4, 5
>Int 21 40 WRITE - errors 5, 6
>
>So what happens when:
>- there is no more directory space (CREAT)

   You get error 5, ACCESS_DENIED (MS-DOS 5.0 Programmer's
Reference).

>- there are no more disk blocks (WRITE)
>

   You check register AX to find out how many bytes were actually
written (ibid).
   
>None of the codes above seem to cover this (?)  Does
>DOS simply terminate the program?

   No.  See above.

HTH,

Steve N.

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DOS error code question "Ed" <invalid@nospam.com> - 2013-04-19 21:28 +1000
  Re: DOS error code question Bogus@Embarq.com (Steve) - 2013-04-19 12:04 +0000
    Re: DOS error code question "Ed" <invalid@nospam.com> - 2013-04-19 22:54 +1000

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