projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1c15e888 C |
1 | /*- |
| 2 | * Copyright (c) 1988 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted provided | |
| 6 | * that: (1) source distributions retain this entire copyright notice and | |
| 7 | * comment, and (2) distributions including binaries display the following | |
| 8 | * acknowledgement: ``This product includes software developed by the | |
| 9 | * University of California, Berkeley and its contributors'' in the | |
| 10 | * documentation or other materials provided with the distribution and in | |
| 11 | * all advertising materials mentioning features or use of this software. | |
| 12 | * Neither the name of the University nor the names of its contributors may | |
| 13 | * be used to endorse or promote products derived from this software without | |
| 14 | * specific prior written permission. | |
| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED | |
| 16 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF | |
| 17 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef lint | |
| 21 | static char sccsid[] = "@(#)subr.c 1.2 (Berkeley) 6/29/90"; | |
| 22 | #endif /* not lint */ | |
| 23 | ||
| 24 | #include "ktrace.h" | |
| 25 | #include <sys/time.h> | |
| 26 | ||
| 27 | getpoints(s) | |
| 28 | char *s; | |
| 29 | { | |
| 30 | int facs = 0; | |
| 31 | ||
| 32 | while (*s) { | |
| 33 | switch(*s) { | |
| 34 | case 'c': | |
| 35 | facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; | |
| 36 | break; | |
| 37 | case 'n': | |
| 38 | facs |= KTRFAC_NAMEI; | |
| 39 | break; | |
| 40 | case 'i': | |
| 41 | facs |= KTRFAC_GENIO; | |
| 42 | break; | |
| 43 | case 's': | |
| 44 | facs |= KTRFAC_PSIG; | |
| 45 | break; | |
| 46 | default: | |
| 47 | return (-1); | |
| 48 | } | |
| 49 | s++; | |
| 50 | } | |
| 51 | return (facs); | |
| 52 | } | |
| 53 | ||
| 54 | timevaladd(t1, t2) | |
| 55 | struct timeval *t1, *t2; | |
| 56 | { | |
| 57 | ||
| 58 | t1->tv_sec += t2->tv_sec; | |
| 59 | t1->tv_usec += t2->tv_usec; | |
| 60 | timevalfix(t1); | |
| 61 | } | |
| 62 | ||
| 63 | timevalsub(t1, t2) | |
| 64 | struct timeval *t1, *t2; | |
| 65 | { | |
| 66 | ||
| 67 | t1->tv_sec -= t2->tv_sec; | |
| 68 | t1->tv_usec -= t2->tv_usec; | |
| 69 | timevalfix(t1); | |
| 70 | } | |
| 71 | ||
| 72 | timevalfix(t1) | |
| 73 | struct timeval *t1; | |
| 74 | { | |
| 75 | ||
| 76 | if (t1->tv_usec < 0) { | |
| 77 | t1->tv_sec--; | |
| 78 | t1->tv_usec += 1000000; | |
| 79 | } | |
| 80 | if (t1->tv_usec >= 1000000) { | |
| 81 | t1->tv_sec++; | |
| 82 | t1->tv_usec -= 1000000; | |
| 83 | } | |
| 84 | } |