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