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Re: Problem with fstat() after fmemopen()

From: "Carlos O'Donell" <carlos at systemhalted dot org>
To: Alexander Lamaison <awl03 at doc dot ic dot ac dot uk>
Cc: Petr Baudis <pasky at suse dot cz>, libc-help at sourceware dot org
Date: Thu, 16 Apr 2009 10:47:01 -0400
Subject: Re: Problem with fstat() after fmemopen()
References: <9c3275a90904151642n7a13cf06w6e1834b849d37f1a@mail.gmail.com> <20090416082503.GH21271@machine.or.cz> <9c3275a90904160726i68a4c1f6u8173f72365042e65@mail.gmail.com>

On Thu, Apr 16, 2009 at 10:26 AM, Alexander Lamaison <awl03@doc.ic.ac.uk> wrote:
> Maybe the documentation should be updated to mention that functions
> requiring file descriptors won't work with the result of fmemopen()?

fopen() states explicitly that it will allocate a descriptor.

fmemopen() does not state that it will allocate a descriptor.

fstat() requires a descriptor.

You want to use posix_typed_mem_open(), but this optional function it
is not yet implemented in glibc.

Cheers,
Carlos.

References:
- Problem with fstat() after fmemopen()
  - From: Alexander Lamaison
- Re: Problem with fstat() after fmemopen()
  - From: Petr Baudis
- Re: Problem with fstat() after fmemopen()
  - From: Alexander Lamaison

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