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