gengtype.c (srcdir_len): size_t instead of int.

gengtype.c (srcdir_len): size_t instead of int.

2008-06-24  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>

	* gengtype.c (srcdir_len): size_t instead of int.
	(get_file_realbasename): New function.  For F a filename, the real
	basename of F, with all the path components stripped.
	(get_file_srcdir_relative_path): New function.  For F a filename, the
	relative path to F from $(srcdir).
	(get_file_basename): Rewrite using get_file_srcdir_relative_path and
	get_file_realbasename.  Adjust the head comment.
	(get_prefix_langdir_index): New function. For F a filename, return the
	lang_dir_names[] relative index of the language directory that is
	a prefix in F.
	(get_file_langdir): For F a filename, return the name of the language
	directory where F is located.
	(get_file_gtfilename): New function. The gt- output file name for an
	input filename F.
	(get_output_file_with_visibility): Replace in-line computations with
	uses of get_file_gtfilename and get_prefix_langdir_index.
	* Makefile.in (GTFILES_H): Adjust to match what gengtype generates.

Co-Authored-By: Nicolas Roche <roche@adacore.com>
From-SVN: r137070