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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
61#ifndef MSDOS
62# ifndef WIN32
63# define TIMES
64# endif
65#endif
66
67#ifndef VMS
68# ifndef _IRIX
69# include <time.h>
70# endif
71# ifdef TIMES
72# include <sys/types.h>
73# include <sys/times.h>
74# endif
75#else /* VMS */
76# include <types.h>
77 struct tms {
78 time_t tms_utime;
79 time_t tms_stime;
80 time_t tms_uchild; /* I dunno... */
81 time_t tms_uchildsys; /* so these names are a guess :-) */
82 }
83#endif /* VMS */
84
85#ifdef sun
86#include <limits.h>
87#include <sys/param.h>
88#endif
89
90#ifndef TIMES
91#include <sys/timeb.h>
92#endif
93
94#ifdef WIN32
95#include <windows.h>
96#endif
97
98/* The following if from times(3) man page. It may need to be changed */
99#ifndef HZ
100# ifndef CLK_TCK
101# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
102# ifndef VMS
103# define HZ 100.0
104# else /* VMS */
105# define HZ 100.0
106# endif
107# else /* _BSD_CLK_TCK_ */
108# define HZ ((double)_BSD_CLK_TCK_)
109# endif
110# else /* CLK_TCK */
111# define HZ ((double)CLK_TCK)
112# endif
113#endif
114
115typedef struct ms_tm
116 {
117#ifdef TIMES
118 struct tms ms_tms;
119#else
120# ifdef WIN32
121 HANDLE thread_id;
122 FILETIME ms_win32;
123# else
124 struct timeb ms_timeb;
125# endif
126#endif
127 } MS_TM;
128
129char *ms_time_init()
130 {
131 MS_TM *ret;
132
133 ret=malloc(sizeof(MS_TM));
134 if (ret == NULL)
135 return(NULL);
136 memset(ret,0,sizeof(MS_TM));
137#ifdef WIN32
138 ret->thread_id=GetCurrentThread();
139#endif
140 return((char *)ret);
141 }
142
143void ms_time_final(a)
144char *a;
145 {
146 if (a != NULL)
147 free(a);
148 }
149
150void ms_time_get(a)
151char *a;
152 {
153 MS_TM *tm=(MS_TM *)a;
154 FILETIME tmpa,tmpb,tmpc;
155
156#ifdef TIMES
157 printf("AAA\n");
158 times(&tm->ms_tms);
159#else
160# ifdef WIN32
161 GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32));
162# else
163 printf("CCC\n");
164 ftime(tm->ms_timeb);
165# endif
166#endif
167 }
168
169double ms_time_diff(ap,bp)
170char *ap,*bp;
171 {
172 MS_TM *a=(MS_TM *)ap;
173 MS_TM *b=(MS_TM *)bp;
174 double ret;
175
176#ifdef TIMES
177 ret=(b->ms_tms.tms_utime-a->ms_tms.tms_utime)/HZ;
178#else
179# ifdef WIN32
180 ret =(double)(b->ms_win32.dwHighDateTime&0x000fffff)*10+
181 b->ms_win32.dwLowDateTime/1e7;
182 ret-=(double)(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7;
183# else
184 ret= (double)(b->time-a->time)+
185 ((double)((unsigned long)b->mullitm-(unsigned long)))/1000.0;
186# endif
187#endif
188 return((ret < 0.0000001)?0.0000001:ret);
189 }
190
191int ms_time_cmp(ap,bp)
192char *ap,*bp;
193 {
194 MS_TM *a=(MS_TM *)ap,*b=(MS_TM *)bp;
195 double d;
196 int ret;
197
198#ifdef TIMES
199 d=(b->ms_tms.tms_utime-a->ms_tms.tms_utime)/HZ;
200#else
201# ifdef WIN32
202 d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/1e7;
203 d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7;
204# else
205 d= (double)(b->time-a->time)+
206 ((double)((unsigned long)b->mullitm-(unsigned long)))/1000.0;
207# endif
208#endif
209 if (d == 0.0)
210 ret=0;
211 else if (d < 0)
212 ret= -1;
213 else
214 ret=1;
215 return(ret);
216 }
217