[Bug-gnulib] dirname.h self-contained?

[Oskar Liljeblad]

I don't know if the idea is to make each header file provided by
gnulib self-contained or not, but if it is then dirname.h needs
some #include for size_t. I guess the needed header file is
<stddef.h>.

This patch is related to this problem:

  http://mail.gnu.org/archive/html/bug-gnulib/2002-12/msg00044.html

Also, browsing the other gnulib modules I encountered this:
Most of the time stddef.h is included unconditionally, but
sometimes it is included like this (regex.h):

  #if !defined _POSIX_C_SOURCE && !defined _POSIX_SOURCE && defined VMS
  /* VMS doesn't have `size_t' in <sys/types.h>, even though POSIX says it
     should be there.  */
  # include <stddef.h>
  #endif

sometimes like this (fnmatch.c):

  #if defined STDC_HEADERS || defined _LIBC
  # include <stddef.h>
  # include <stdlib.h>
  #endif

or like this (localcharset.c):

  #if HAVE_STDDEF_H
  # include <stddef.h>
  #endif

or (printf-args.h):

  #ifdef HAVE_WCHAR_T
  # include <stddef.h>
  #endif

...just to name a few. I want to be picky, so I ask, which one is
correct? :)

Regards,

Oskar Liljeblad (address@hidden)