1/* crypto/tmdiff.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58#include <stdio.h> 59#include <stdlib.h> 60#include "cryptlib.h" 61#include <openssl/tmdiff.h> 62#if !defined(OPENSSL_SYS_MSDOS) 63#include OPENSSL_UNISTD 64#endif 65 66#ifdef TIMEB 67#undef OPENSSL_SYS_WIN32 68#undef TIMES 69#endif 70 71#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32) && !(defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX_RHAPSODY) && !defined(OPENSSL_SYS_VXWORKS) 72# define TIMES 73#endif 74 75#ifndef _IRIX 76# include <time.h> 77#endif 78#ifdef TIMES 79# include <sys/types.h> 80# include <sys/times.h> 81#endif 82 83/* Depending on the VMS version, the tms structure is perhaps defined. 84 The __TMS macro will show if it was. If it wasn't defined, we should 85 undefine TIMES, since that tells the rest of the program how things 86 should be handled. -- Richard Levitte */ 87#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) 88#undef TIMES 89#endif 90 91#if defined(sun) || defined(__ultrix) 92#define _POSIX_SOURCE 93#include <limits.h> 94#include <sys/param.h> 95#endif 96 97#if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS) 98#include <sys/timeb.h> 99#endif 100 101#ifdef OPENSSL_SYS_WIN32 102#include <windows.h> 103#endif 104 105/* The following if from times(3) man page. It may need to be changed */ 106#ifndef HZ 107# if defined(_SC_CLK_TCK) \ 108 && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000) 109# define HZ ((double)sysconf(_SC_CLK_TCK)) 110# else 111# ifndef CLK_TCK 112# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ 113# define HZ 100.0 114# else /* _BSD_CLK_TCK_ */ 115# define HZ ((double)_BSD_CLK_TCK_) 116# endif 117# else /* CLK_TCK */ 118# define HZ ((double)CLK_TCK) 119# endif 120# endif 121#endif 122 123typedef struct ms_tm 124 { 125#ifdef TIMES 126 struct tms ms_tms; 127#else 128# ifdef OPENSSL_SYS_WIN32 129 HANDLE thread_id; 130 FILETIME ms_win32; 131# else 132# ifdef OPENSSL_SYS_VXWORKS 133 unsigned long ticks; 134# else 135 struct timeb ms_timeb; 136# endif 137# endif 138#endif 139 } MS_TM; 140 141char *ms_time_new(void) 142 { 143 MS_TM *ret; 144 145 ret=(MS_TM *)OPENSSL_malloc(sizeof(MS_TM)); 146 if (ret == NULL) 147 return(NULL); 148 memset(ret,0,sizeof(MS_TM)); 149#ifdef OPENSSL_SYS_WIN32 150 ret->thread_id=GetCurrentThread(); 151#endif 152 return((char *)ret); 153 } 154 155void ms_time_free(char *a) 156 { 157 if (a != NULL) 158 OPENSSL_free(a); 159 } 160 161void ms_time_get(char *a) 162 { 163 MS_TM *tm=(MS_TM *)a; 164#ifdef OPENSSL_SYS_WIN32 165 FILETIME tmpa,tmpb,tmpc; 166#endif 167 168#ifdef TIMES 169 times(&tm->ms_tms); 170#else 171# ifdef OPENSSL_SYS_WIN32 172 GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32)); 173# else 174# ifdef OPENSSL_SYS_VXWORKS 175 tm->ticks = tickGet(); 176# else 177 ftime(&tm->ms_timeb); 178# endif 179# endif 180#endif 181 } 182 183double ms_time_diff(char *ap, char *bp) 184 { 185 MS_TM *a=(MS_TM *)ap; 186 MS_TM *b=(MS_TM *)bp; 187 double ret; 188 189#ifdef TIMES 190 ret=(b->ms_tms.tms_utime-a->ms_tms.tms_utime)/HZ; 191#else 192# ifdef OPENSSL_SYS_WIN32 193 { 194#ifdef __GNUC__ 195 signed long long la,lb; 196#else 197 signed _int64 la,lb; 198#endif 199 la=a->ms_win32.dwHighDateTime; 200 lb=b->ms_win32.dwHighDateTime; 201 la<<=32; 202 lb<<=32; 203 la+=a->ms_win32.dwLowDateTime; 204 lb+=b->ms_win32.dwLowDateTime; 205 ret=((double)(lb-la))/1e7; 206 } 207# else 208# ifdef OPENSSL_SYS_VXWORKS 209 ret = (double)(b->ticks - a->ticks) / (double)sysClkRateGet(); 210# else 211 ret= (double)(b->ms_timeb.time-a->ms_timeb.time)+ 212 (((double)b->ms_timeb.millitm)- 213 ((double)a->ms_timeb.millitm))/1000.0; 214# endif 215# endif 216#endif 217 return((ret < 0.0000001)?0.0000001:ret); 218 } 219 220int ms_time_cmp(char *ap, char *bp) 221 { 222 MS_TM *a=(MS_TM *)ap,*b=(MS_TM *)bp; 223 double d; 224 int ret; 225 226#ifdef TIMES 227 d=(b->ms_tms.tms_utime-a->ms_tms.tms_utime)/HZ; 228#else 229# ifdef OPENSSL_SYS_WIN32 230 d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/1e7; 231 d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7; 232# else 233# ifdef OPENSSL_SYS_VXWORKS 234 d = (b->ticks - a->ticks); 235# else 236 d= (double)(b->ms_timeb.time-a->ms_timeb.time)+ 237 (((double)b->ms_timeb.millitm)-(double)a->ms_timeb.millitm)/1000.0; 238# endif 239# endif 240#endif 241 if (d == 0.0) 242 ret=0; 243 else if (d < 0) 244 ret= -1; 245 else 246 ret=1; 247 return(ret); 248 } 249 250