xref: /netbsd-src/sys/dev/raidframe/rf_utils.h (revision dc306354b0b29af51801a7632f1e95265a68cd81)
1 /*	$NetBSD: rf_utils.h,v 1.1 1998/11/13 04:20:35 oster Exp $	*/
2 /*
3  * Copyright (c) 1995 Carnegie-Mellon University.
4  * All rights reserved.
5  *
6  * Author: Mark Holland
7  *
8  * Permission to use, copy, modify and distribute this software and
9  * its documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie the
26  * rights to redistribute these changes.
27  */
28 
29 /***************************************
30  *
31  * rf_utils.c -- header file for utils.c
32  *
33  ***************************************/
34 
35 /* :
36  * Log: rf_utils.h,v
37  * Revision 1.7  1996/06/07 21:33:04  jimz
38  * begin using consistent types for sector numbers,
39  * stripe numbers, row+col numbers, recon unit numbers
40  *
41  * Revision 1.6  1996/06/02  17:31:48  jimz
42  * Moved a lot of global stuff into array structure, where it belongs.
43  * Fixed up paritylogging, pss modules in this manner. Some general
44  * code cleanup. Removed lots of dead code, some dead files.
45  *
46  * Revision 1.5  1996/05/23  21:46:35  jimz
47  * checkpoint in code cleanup (release prep)
48  * lots of types, function names have been fixed
49  *
50  * Revision 1.4  1996/05/18  19:51:34  jimz
51  * major code cleanup- fix syntax, make some types consistent,
52  * add prototypes, clean out dead code, et cetera
53  *
54  * Revision 1.3  1995/12/06  15:17:53  root
55  * added copyright info
56  *
57  */
58 
59 #ifndef _RF__RF_UTILS_H_
60 #define _RF__RF_UTILS_H_
61 
62 #include "rf_types.h"
63 #include "rf_alloclist.h"
64 #include "rf_threadstuff.h"
65 
66 char *rf_find_non_white(char *p);
67 char *rf_find_white(char *p);
68 RF_RowCol_t **rf_make_2d_array(int b, int k, RF_AllocListElem_t *allocList);
69 RF_RowCol_t *rf_make_1d_array(int c, RF_AllocListElem_t *allocList);
70 void rf_free_2d_array(RF_RowCol_t **a, int b, int k);
71 void rf_free_1d_array(RF_RowCol_t *a, int n);
72 int rf_gcd(int m, int n);
73 int rf_atoi(char *p);
74 int rf_htoi(char *p);
75 
76 #define RF_USEC_PER_SEC 1000000
77 #define RF_TIMEVAL_DIFF(_start_,_end_,_diff_) { \
78 	if ((_end_)->tv_usec < (_start_)->tv_usec) { \
79 		(_diff_)->tv_usec = ((_end_)->tv_usec + RF_USEC_PER_SEC) \
80 				- (_start_)->tv_usec; \
81 		(_diff_)->tv_sec = ((_end_)->tv_sec-1) - (_start_)->tv_sec; \
82 	} \
83 	else { \
84 		(_diff_)->tv_usec = (_end_)->tv_usec - (_start_)->tv_usec; \
85 		(_diff_)->tv_sec  = (_end_)->tv_sec  - (_start_)->tv_sec; \
86 	} \
87 }
88 
89 #endif /* !_RF__RF_UTILS_H_ */
90