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#ifdef OPENSSL_SYS_NETWARE 76#undef TIMES 77#endif 78 79#if !defined(_IRIX) || defined (OPENSSL_SYS_NETWARE) 80# include <time.h> 81#endif 82#ifdef TIMES 83# include <sys/types.h> 84# include <sys/times.h> 85#endif 86 87/* Depending on the VMS version, the tms structure is perhaps defined. 88 The __TMS macro will show if it was. If it wasn't defined, we should 89 undefine TIMES, since that tells the rest of the program how things 90 should be handled. -- Richard Levitte */ 91#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) 92#undef TIMES 93#endif 94 95#if defined(sun) || defined(__ultrix) 96#define _POSIX_SOURCE 97#include <limits.h> 98#include <sys/param.h> 99#endif 100 101#if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_NETWARE) 102#include <sys/timeb.h> 103#endif 104 105#ifdef OPENSSL_SYS_WIN32 106#include <windows.h> 107#endif 108 109/* The following if from times(3) man page. It may need to be changed */ 110#ifndef HZ 111# if defined(_SC_CLK_TCK) \ 112 && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000) 113/* # define HZ ((double)sysconf(_SC_CLK_TCK)) */ 114# define HZ sysconf(_SC_CLK_TCK) 115# else 116# ifndef CLK_TCK 117# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ 118# define HZ 100.0 119# else /* _BSD_CLK_TCK_ */ 120# define HZ ((double)_BSD_CLK_TCK_) 121# endif 122# else /* CLK_TCK */ 123# define HZ ((double)CLK_TCK) 124# endif 125# endif 126#endif 127 128struct ms_tm 129 { 130#ifdef TIMES 131 struct tms ms_tms; 132#else 133# ifdef OPENSSL_SYS_WIN32 134 HANDLE thread_id; 135 FILETIME ms_win32; 136# elif defined (OPENSSL_SYS_NETWARE) 137 clock_t ms_clock; 138# else 139# ifdef OPENSSL_SYS_VXWORKS 140 unsigned long ticks; 141# else 142 struct timeb ms_timeb; 143# endif 144# endif 145#endif 146 }; 147 148MS_TM *ms_time_new(void) 149 { 150 MS_TM *ret; 151 152 ret=(MS_TM *)OPENSSL_malloc(sizeof(MS_TM)); 153 if (ret == NULL) 154 return(NULL); 155 memset(ret,0,sizeof(MS_TM)); 156#ifdef OPENSSL_SYS_WIN32 157 ret->thread_id=GetCurrentThread(); 158#endif 159 return ret; 160 } 161 162void ms_time_free(MS_TM *a) 163 { 164 if (a != NULL) 165 OPENSSL_free(a); 166 } 167 168void ms_time_get(MS_TM *tm) 169 { 170#ifdef OPENSSL_SYS_WIN32 171 FILETIME tmpa,tmpb,tmpc; 172#endif 173 174#ifdef TIMES 175 times(&tm->ms_tms); 176#else 177# ifdef OPENSSL_SYS_WIN32 178 GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32)); 179# elif defined (OPENSSL_SYS_NETWARE) 180 tm->ms_clock = clock(); 181# else 182# ifdef OPENSSL_SYS_VXWORKS 183 tm->ticks = tickGet(); 184# else 185 ftime(&tm->ms_timeb); 186# endif 187# endif 188#endif 189 } 190 191double ms_time_diff(MS_TM *a, MS_TM *b) 192 { 193 double ret; 194 195#ifdef TIMES 196 ret = HZ; 197 ret = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / ret; 198#else 199# ifdef OPENSSL_SYS_WIN32 200 { 201#ifdef __GNUC__ 202 signed long long la,lb; 203#else 204 signed _int64 la,lb; 205#endif 206 la=a->ms_win32.dwHighDateTime; 207 lb=b->ms_win32.dwHighDateTime; 208 la<<=32; 209 lb<<=32; 210 la+=a->ms_win32.dwLowDateTime; 211 lb+=b->ms_win32.dwLowDateTime; 212 ret=((double)(lb-la))/1e7; 213 } 214# elif defined (OPENSSL_SYS_NETWARE) 215 ret= (double)(b->ms_clock - a->ms_clock); 216# else 217# ifdef OPENSSL_SYS_VXWORKS 218 ret = (double)(b->ticks - a->ticks) / (double)sysClkRateGet(); 219# else 220 ret= (double)(b->ms_timeb.time-a->ms_timeb.time)+ 221 (((double)b->ms_timeb.millitm)- 222 ((double)a->ms_timeb.millitm))/1000.0; 223# endif 224# endif 225#endif 226 return((ret < 0.0000001)?0.0000001:ret); 227 } 228 229int ms_time_cmp(const MS_TM *a, const MS_TM *b) 230 { 231 double d; 232 int ret; 233 234#ifdef TIMES 235 d = HZ; 236 d = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / d; 237#else 238# ifdef OPENSSL_SYS_WIN32 239 d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/1e7; 240 d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7; 241# elif defined (OPENSSL_SYS_NETWARE) 242 d= (double)(b->ms_clock - a->ms_clock); 243# else 244# ifdef OPENSSL_SYS_VXWORKS 245 d = (b->ticks - a->ticks); 246# else 247 d= (double)(b->ms_timeb.time-a->ms_timeb.time)+ 248 (((double)b->ms_timeb.millitm)-(double)a->ms_timeb.millitm)/1000.0; 249# endif 250# endif 251#endif 252 if (d == 0.0) 253 ret=0; 254 else if (d < 0) 255 ret= -1; 256 else 257 ret=1; 258 return(ret); 259 } 260 261