tmdiff.c
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- /* 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);
- }