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      1 /*	$NetBSD: rf_utils.h,v 1.5 2001/10/04 15:58:56 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 (at) 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 #ifndef _RF__RF_UTILS_H_
     37 #define _RF__RF_UTILS_H_
     38 
     39 #include <dev/raidframe/raidframevar.h>
     40 #include "rf_alloclist.h"
     41 #include "rf_threadstuff.h"
     42 
     43 char   *rf_find_non_white(char *p);
     44 char   *rf_find_white(char *p);
     45 RF_RowCol_t **rf_make_2d_array(int b, int k, RF_AllocListElem_t * allocList);
     46 RF_RowCol_t *rf_make_1d_array(int c, RF_AllocListElem_t * allocList);
     47 void    rf_free_2d_array(RF_RowCol_t ** a, int b, int k);
     48 void    rf_free_1d_array(RF_RowCol_t * a, int n);
     49 int     rf_gcd(int m, int n);
     50 int     rf_atoi(char *p);
     51 int     rf_htoi(char *p);
     52 
     53 #define RF_USEC_PER_SEC 1000000
     54 #define RF_TIMEVAL_TO_US(_t_) (((_t_).tv_sec) \
     55                 * RF_USEC_PER_SEC + (_t_).tv_usec)
     56 
     57 #define RF_TIMEVAL_DIFF(_start_,_end_,_diff_) { \
     58 	if ((_end_)->tv_usec < (_start_)->tv_usec) { \
     59 		(_diff_)->tv_usec = ((_end_)->tv_usec + RF_USEC_PER_SEC) \
     60 				- (_start_)->tv_usec; \
     61 		(_diff_)->tv_sec = ((_end_)->tv_sec-1) - (_start_)->tv_sec; \
     62 	} \
     63 	else { \
     64 		(_diff_)->tv_usec = (_end_)->tv_usec - (_start_)->tv_usec; \
     65 		(_diff_)->tv_sec  = (_end_)->tv_sec  - (_start_)->tv_sec; \
     66 	} \
     67 }
     68 
     69 #endif				/* !_RF__RF_UTILS_H_ */
     70