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Change the time stamp interface to use an abstract datatype.
Define two possible interfaces: the classic one,
and the new one (used where available) that depends on timespec.

Better granularity, make is now able to distinguish between files that
were built during the same second.

/*	$OpenBSD: dir.h,v 1.12 2000/11/24 14:36:33 espie Exp $	*/
/*	$NetBSD: dir.h,v 1.4 1996/11/06 17:59:05 christos Exp $	*/

/*
 * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
 * Copyright (c) 1988, 1989 by Adam de Boor
 * Copyright (c) 1989 by Berkeley Softworks
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Adam de Boor.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: @(#)dir.h	8.1 (Berkeley) 6/6/93
 */

/* dir.h --
 */

#ifndef	_DIR
#define	_DIR

typedef struct Path_ {
    int		refCount; 	/* Number of paths with this directory */
    int		hits;	    	/* the number of times a file in this
				 * directory has been found */
    struct hash	files;    	/* Hash table of files in directory */
    char	name[1];	/* Name of directory */
} Path;

extern void Dir_Init __P((void));
extern void Dir_End __P((void));
extern Boolean Dir_HasWildcards __P((const char *));
extern void Dir_Expand __P((char *, Lst, Lst));
extern char *Dir_FindFile __P((char *, Lst));
extern TIMESTAMP Dir_MTime __P((GNode *));
extern void Dir_AddDir __P((Lst, const char *, const char *));
extern char *Dir_MakeFlags __P((char *, Lst));
extern void Dir_ClearPath __P((Lst));
extern void Dir_Concat __P((Lst, Lst));
extern void Dir_PrintDirectories __P((void));
extern void Dir_PrintPath __P((Lst));
extern void Dir_Destroy __P((void *));
extern void *Dir_CopyDir __P((void *));
extern int set_times __P((const char *));

#endif /* _DIR */