/* crypto/tmdiff.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include <stdio.h> #include <stdlib.h> #include "cryptlib.h" #include <openssl/tmdiff.h> #if !defined(OPENSSL_SYS_MSDOS) #include OPENSSL_UNISTD #endif #ifdef TIMEB #undef OPENSSL_SYS_WIN32 #undef TIMES #endif #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32) && !(defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX_RHAPSODY) && !defined(OPENSSL_SYS_VXWORKS) # define TIMES #endif #ifdef OPENSSL_SYS_NETWARE #undef TIMES #endif #if !defined(_IRIX) || defined (OPENSSL_SYS_NETWARE) # include <time.h> #endif #ifdef TIMES # include <sys/types.h> # include <sys/times.h> #endif /* Depending on the VMS version, the tms structure is perhaps defined. The __TMS macro will show if it was. If it wasn't defined, we should undefine TIMES, since that tells the rest of the program how things should be handled. -- Richard Levitte */ #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) #undef TIMES #endif #if defined(sun) || defined(__ultrix) #define _POSIX_SOURCE #include <limits.h> #include <sys/param.h> #endif #if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_NETWARE) #include <sys/timeb.h> #endif #ifdef OPENSSL_SYS_WIN32 #include <windows.h> #endif /* The following if from times(3) man page. It may need to be changed */ #ifndef HZ # if defined(_SC_CLK_TCK) \ && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000) /* # define HZ ((double)sysconf(_SC_CLK_TCK)) */ # define HZ sysconf(_SC_CLK_TCK) # else # ifndef CLK_TCK # ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ # define HZ 100.0 # else /* _BSD_CLK_TCK_ */ # define HZ ((double)_BSD_CLK_TCK_) # endif # else /* CLK_TCK */ # define HZ ((double)CLK_TCK) # endif # endif #endif struct ms_tm { #ifdef TIMES struct tms ms_tms; #else # ifdef OPENSSL_SYS_WIN32 HANDLE thread_id; FILETIME ms_win32; # elif defined (OPENSSL_SYS_NETWARE) clock_t ms_clock; # else # ifdef OPENSSL_SYS_VXWORKS unsigned long ticks; # else struct timeb ms_timeb; # endif # endif #endif }; MS_TM *ms_time_new(void) { MS_TM *ret; ret=(MS_TM *)OPENSSL_malloc(sizeof(MS_TM)); if (ret == NULL) return(NULL); memset(ret,0,sizeof(MS_TM)); #ifdef OPENSSL_SYS_WIN32 ret->thread_id=GetCurrentThread(); #endif return ret; } void ms_time_free(MS_TM *a) { if (a != NULL) OPENSSL_free(a); } void ms_time_get(MS_TM *tm) { #ifdef OPENSSL_SYS_WIN32 FILETIME tmpa,tmpb,tmpc; #endif #ifdef TIMES times(&tm->ms_tms); #else # ifdef OPENSSL_SYS_WIN32 GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32)); # elif defined (OPENSSL_SYS_NETWARE) tm->ms_clock = clock(); # else # ifdef OPENSSL_SYS_VXWORKS tm->ticks = tickGet(); # else ftime(&tm->ms_timeb); # endif # endif #endif } double ms_time_diff(MS_TM *a, MS_TM *b) { double ret; #ifdef TIMES ret = HZ; ret = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / ret; #else # ifdef OPENSSL_SYS_WIN32 { #ifdef __GNUC__ signed long long la,lb; #else signed _int64 la,lb; #endif la=a->ms_win32.dwHighDateTime; lb=b->ms_win32.dwHighDateTime; la<<=32; lb<<=32; la+=a->ms_win32.dwLowDateTime; lb+=b->ms_win32.dwLowDateTime; ret=((double)(lb-la))/1e7; } # elif defined (OPENSSL_SYS_NETWARE) ret= (double)(b->ms_clock - a->ms_clock); # else # ifdef OPENSSL_SYS_VXWORKS ret = (double)(b->ticks - a->ticks) / (double)sysClkRateGet(); # else ret= (double)(b->ms_timeb.time-a->ms_timeb.time)+ (((double)b->ms_timeb.millitm)- ((double)a->ms_timeb.millitm))/1000.0; # endif # endif #endif return((ret < 0.0000001)?0.0000001:ret); } int ms_time_cmp(const MS_TM *a, const MS_TM *b) { double d; int ret; #ifdef TIMES d = HZ; d = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / d; #else # ifdef OPENSSL_SYS_WIN32 d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/1e7; d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7; # elif defined (OPENSSL_SYS_NETWARE) d= (double)(b->ms_clock - a->ms_clock); # else # ifdef OPENSSL_SYS_VXWORKS d = (b->ticks - a->ticks); # else d= (double)(b->ms_timeb.time-a->ms_timeb.time)+ (((double)b->ms_timeb.millitm)-(double)a->ms_timeb.millitm)/1000.0; # endif # endif #endif if (d == 0.0) ret=0; else if (d < 0) ret= -1; else ret=1; return(ret); }