/* ranlib.h -- archive library index member definition for GNU.

   Copyright (C) 1990-2018 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

/* The Symdef member of an archive contains two things:

   a table that maps symbol-string offsets to file offsets,

   and a symbol-string table.  All the symbol names are

   run together (each with trailing null) in the symbol-string

   table.  There is a single longword bytecount on the front

   of each of these tables.  Thus if we have two symbols,

   "foo" and "_bar", that are in archive members at offsets

   200 and 900, it would look like this:

        16		; byte count of index table

  	0		; offset of "foo" in string table

  	200		; offset of foo-module in file

  	4		; offset of "bar" in string table

  	900		; offset of bar-module in file

  	9		; byte count of string table

  	"foo\0_bar\0"	; string table  */

#define	RANLIBMAG	"__.SYMDEF"	/* Archive file name containing index */

#define	RANLIBSKEW	3		/* Creation time offset */

/* Format of __.SYMDEF:

   First, a longword containing the size of the 'symdef' data that follows.

   Second, zero or more 'symdef' structures.

   Third, a longword containing the length of symbol name strings.

   Fourth, zero or more symbol name strings (each followed by a null).  */

struct symdef

  {

    union

      {

	unsigned long string_offset;	/* In the file */

	char *name;			/* In memory, sometimes */

      } s;

    /* this points to the front of the file header (AKA member header --

       a struct ar_hdr), not to the front of the file or into the file).

       in other words it only tells you which file to read */       

    unsigned long file_offset;

  };

/* Compatability with BSD code */

#define	ranlib	symdef

#define	ran_un	s

#define	ran_strx string_offset

#define	ran_name name

#define	ran_off	file_offset