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Re: read-file on HP NonStop


From: Bruno Haible
Subject: Re: read-file on HP NonStop
Date: Tue, 5 Oct 2010 03:51:36 +0200
User-agent: KMail/1.9.9

Joachim Schmitz writes:
> Doesn't work here, same problem:
> Read 68 from /etc/resolv.conf...
> FAIL: test-read-file
>
> And to clarify: the problem is not the symlink, it is the different
> personalities in NonStop. A symlink inside the OSS personality wouldn't
> be a problem, a symlink to an EDIT file in Guardian is, in respect to
> the size stat() reports.

This means, you have a problem with stat() or with the S_ISREG macro.

In Unix, when S_ISREG of a file is true, then you should be able to read
exactly as many bytes from the file as stat() returned in the st_size.

Therefore on NonStop Kernel, so that stat() and S_ISREG works on all files,
one of the following needs to be done:
  a) stat() needs to be fixed or wrapped, so that it sets the st_size
     to 68 instead of 2144 in said situation.
  b) stat() needs to be fixed or wrapped, so that it sets the st_mode
     field to a value for which S_ISREG returns 0.
  c) S_ISREG needs to be fixed or replaced, so that it returns 0 when
     given as argument the st_mode value from an statbuf for said file.

Bruno



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