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

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  Date : 2010-08-13T11:50:58
  

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• doc/posix-functions/lstat.texi

• @node lstat
  @section @code{lstat}
  @findex lstat
  
  POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/lstat.html}
  
  Gnulib module: lstat
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  For symlinks, when the argument ends in a slash, some platforms don't
  dereference the argument:
  Solaris 9.
  @item
  On some platforms, @code{lstat("file/",buf)} succeeds instead of
  failing with @code{ENOTDIR}.
  Solaris 9.
  @item
  On Windows platforms (excluding Cygwin), symlinks are not supported, so
  @code{lstat} does not exist.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  On platforms where @code{off_t} is a 32-bit type, @code{lstat} may not
  correctly report the size of files or block devices larger than 2 GB.  The fix
  is to use the @code{AC_SYS_LARGEFILE} macro.
  @item
  On Windows platforms (excluding Cygwin), @code{st_ino} is always 0.
  @item
  Because of the definition of @code{struct stat}, it is not possible to
  portably replace @code{stat} via an object-like macro.  Therefore,
  expressions such as @code{(islnk ? lstat : stat) (name, buf)} are not
  portable, and should instead be written @code{islnk ? lstat (name,
  buf) : stat (name, buf)}.
  @item
  On some file systems, @code{st_size} contains bogus information for
  symlinks; use the gnulib module areadlink-with-size for a better way
  to get symlink contents.
  @end itemize
  

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