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

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  Date : 2023-04-09T18:16:57
  

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• doc/posix-functions/fstat.texi

• @node fstat
  @section @code{fstat}
  @findex fstat
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstat.html}
  
  Gnulib module: fstat
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function crashes when invoked with invalid arguments on some platforms:
  MSVC 14.
  @item
  On platforms where @code{off_t} is a 32-bit type, @code{fstat} may not correctly
  report the size of files or block devices 2 GiB and larger..
  @xref{Large File Support}.
  @item
  On Linux/x86 and Linux/x86_64, applications compiled in 32-bit mode cannot
  access files that happen to have a 64-bit inode number.  This can occur with
  file systems such as XFS (typically on large disks) and NFS.
  @xref{Large File Support}.
  @item
  On Solaris 11.4, when this function yields a timestamp with a
  nonpositive @code{tv_sec} value, @code{tv_nsec} might be in the range
  @minus{}1000000000..@minus{}1, representing a negative nanoseconds
  offset from @code{tv_sec}.
  @item
  The @code{st_atime}, @code{st_ctime}, @code{st_mtime} fields are affected by
  the current time zone and by the DST flag of the current time zone on some
  platforms:
  mingw, MSVC 14 (when the environment variable @code{TZ} is set).
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  @xref{sys/stat.h}, for general portability problems with @code{struct stat}.
  @item
  On Cygwin, @code{fstat} applied to the file descriptors 0 and 1, returns
  different @code{st_ino} values, even if standard input and standard output
  are not redirected and refer to the same terminal.
  @end itemize
  

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