kc3-lang/gnulib/doc/posix-functions/stderr.texi

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  Date : 2019-09-22T23:23:20
  

  Update some URLs
  
  This is a clerical change that mostly changes http: to https: in URLs
  where either will work.  It also updates some URLs that have moved,
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• doc/posix-functions/stderr.texi

• @node stderr
  @section @code{stderr}
  @findex stderr
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/stderr.html}
  
  Gnulib module: ---
  
  Portability problems fixed by Gnulib:
  @itemize
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  stderr is created in 32-bit mode instead of 64-bit mode: Cygwin 1.5.x.
  One workaround is to use freopen(NULL, ``r+'', stderr) on Cygwin 1.5.21
  or newer.  Another is to use the gnulib @code{ftello} module and do
  ftello(stderr).
  @item
  POSIX states that a setuid application can guarantee that fd 2 is
  open, but some systems guarantee this even for non-setuid programs.
  If an application is executed with fd 2 closed, use of @code{stderr}
  can affect an unrelated file that happened to be assigned to fd 2.
  The gnulib *-safer modules may be used to guarantee that fd 2 stays
  reserved for @code{stderr}.
  @end itemize
  

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