xref: /csrg-svn/lib/libc/gen/closedir.c (revision 38435)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #if defined(LIBC_SCCS) && !defined(lint)
19 static char sccsid[] = "@(#)closedir.c	5.5 (Berkeley) 07/10/89";
20 #endif /* LIBC_SCCS and not lint */
21 
22 #include <sys/param.h>
23 #include <dirent.h>
24 
25 /*
26  * close a directory.
27  */
28 void
29 closedir(dirp)
30 	register DIR *dirp;
31 {
32 	register struct ddloc *lp, *olp;
33 	register int i;
34 
35 	close(dirp->dd_fd);
36 	dirp->dd_fd = -1;
37 	dirp->dd_loc = 0;
38 	for (i = 0; i < NDIRHASH; i++) {
39 		lp = dirp->dd_hash[i];
40 		while (lp != NULL) {
41 			olp = lp;
42 			lp = lp->loc_next;
43 			free((caddr_t) olp);
44 		}
45 	}
46 	free(dirp->dd_buf);
47 	free((caddr_t)dirp);
48 }
49