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