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dir.h revision 1.25 
      1 /*	$NetBSD: dir.h,v 1.25 2020/09/22 04:05:41 rillig Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
      5  *
      6  * This code is derived from software contributed to Berkeley by
      7  * Adam de Boor.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	from: @(#)dir.h	8.1 (Berkeley) 6/6/93
     34  */
     35 
     36 /*
     37  * Copyright (c) 1988, 1989 by Adam de Boor
     38  * Copyright (c) 1989 by Berkeley Softworks
     39  * All rights reserved.
     40  *
     41  * This code is derived from software contributed to Berkeley by
     42  * Adam de Boor.
     43  *
     44  * Redistribution and use in source and binary forms, with or without
     45  * modification, are permitted provided that the following conditions
     46  * are met:
     47  * 1. Redistributions of source code must retain the above copyright
     48  *    notice, this list of conditions and the following disclaimer.
     49  * 2. Redistributions in binary form must reproduce the above copyright
     50  *    notice, this list of conditions and the following disclaimer in the
     51  *    documentation and/or other materials provided with the distribution.
     52  * 3. All advertising materials mentioning features or use of this software
     53  *    must display the following acknowledgement:
     54  *	This product includes software developed by the University of
     55  *	California, Berkeley and its contributors.
     56  * 4. Neither the name of the University nor the names of its contributors
     57  *    may be used to endorse or promote products derived from this software
     58  *    without specific prior written permission.
     59  *
     60  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     61  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     62  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     63  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     64  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     65  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     66  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     67  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     68  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     69  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     70  * SUCH DAMAGE.
     71  *
     72  *	from: @(#)dir.h	8.1 (Berkeley) 6/6/93
     73  */
     74 
     75 #ifndef	MAKE_DIR_H
     76 #define	MAKE_DIR_H
     77 
     78 /* A cache of a directory, remembering all the files that exist in that
     79  * directory. */
     80 typedef struct CachedDir {
     81     char         *name;	    	/* Name of directory */
     82     int	    	  refCount; 	/* Number of paths with this directory */
     83     int		  hits;	    	/* the number of times a file in this
     84 				 * directory has been found */
     85     Hash_Table    files;    	/* Hash set of files in directory */
     86 } CachedDir;
     87 
     88 struct make_stat {
     89     time_t mst_mtime;
     90     mode_t mst_mode;
     91 };
     92 
     93 void Dir_Init(void);
     94 void Dir_InitDir(const char *);
     95 void Dir_InitCur(const char *);
     96 void Dir_InitDot(void);
     97 void Dir_End(void);
     98 void Dir_SetPATH(void);
     99 Boolean Dir_HasWildcards(const char *);
    100 void Dir_Expand(const char *, SearchPath *, StringList *);
    101 char *Dir_FindFile(const char *, SearchPath *);
    102 Boolean Dir_FindHereOrAbove(const char *, const char *, char *, int);
    103 int Dir_MTime(GNode *, Boolean);
    104 CachedDir *Dir_AddDir(SearchPath *, const char *);
    105 char *Dir_MakeFlags(const char *, SearchPath *);
    106 void Dir_ClearPath(SearchPath *);
    107 void Dir_Concat(SearchPath *, SearchPath *);
    108 void Dir_PrintDirectories(void);
    109 void Dir_PrintPath(SearchPath *);
    110 void Dir_Destroy(void *);
    111 void *Dir_CopyDir(void *);
    112 
    113 int cached_lstat(const char *, struct make_stat *);
    114 int cached_stat(const char *, struct make_stat *);
    115 
    116 #endif /* MAKE_DIR_H */
    117