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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(OPEN
SSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX_RHAPSODY) && !de
fined(OPENSSL_SYS_VXWORKS) | |
72 # define TIMES | |
73 #endif | |
74 | |
75 #ifdef OPENSSL_SYS_NETWARE | |
76 #undef TIMES | |
77 #endif | |
78 | |
79 #if !defined(_IRIX) || defined (OPENSSL_SYS_NETWARE) | |
80 # include <time.h> | |
81 #endif | |
82 #ifdef TIMES | |
83 # include <sys/types.h> | |
84 # include <sys/times.h> | |
85 #endif | |
86 | |
87 /* Depending on the VMS version, the tms structure is perhaps defined. | |
88 The __TMS macro will show if it was. If it wasn't defined, we should | |
89 undefine TIMES, since that tells the rest of the program how things | |
90 should be handled. -- Richard Levitte */ | |
91 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) | |
92 #undef TIMES | |
93 #endif | |
94 | |
95 #if defined(sun) || defined(__ultrix) | |
96 #define _POSIX_SOURCE | |
97 #include <limits.h> | |
98 #include <sys/param.h> | |
99 #endif | |
100 | |
101 #if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_NET
WARE) | |
102 #include <sys/timeb.h> | |
103 #endif | |
104 | |
105 #ifdef OPENSSL_SYS_WIN32 | |
106 #include <windows.h> | |
107 #endif | |
108 | |
109 /* The following if from times(3) man page. It may need to be changed */ | |
110 #ifndef HZ | |
111 # if defined(_SC_CLK_TCK) \ | |
112 && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000) | |
113 /* # define HZ ((double)sysconf(_SC_CLK_TCK)) */ | |
114 # define HZ sysconf(_SC_CLK_TCK) | |
115 # else | |
116 # ifndef CLK_TCK | |
117 # ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ | |
118 # define HZ 100.0 | |
119 # else /* _BSD_CLK_TCK_ */ | |
120 # define HZ ((double)_BSD_CLK_TCK_) | |
121 # endif | |
122 # else /* CLK_TCK */ | |
123 # define HZ ((double)CLK_TCK) | |
124 # endif | |
125 # endif | |
126 #endif | |
127 | |
128 struct ms_tm | |
129 { | |
130 #ifdef TIMES | |
131 struct tms ms_tms; | |
132 #else | |
133 # ifdef OPENSSL_SYS_WIN32 | |
134 HANDLE thread_id; | |
135 FILETIME ms_win32; | |
136 # elif defined (OPENSSL_SYS_NETWARE) | |
137 clock_t ms_clock; | |
138 # else | |
139 # ifdef OPENSSL_SYS_VXWORKS | |
140 unsigned long ticks; | |
141 # else | |
142 struct timeb ms_timeb; | |
143 # endif | |
144 # endif | |
145 #endif | |
146 }; | |
147 | |
148 MS_TM *ms_time_new(void) | |
149 { | |
150 MS_TM *ret; | |
151 | |
152 ret=(MS_TM *)OPENSSL_malloc(sizeof(MS_TM)); | |
153 if (ret == NULL) | |
154 return(NULL); | |
155 memset(ret,0,sizeof(MS_TM)); | |
156 #ifdef OPENSSL_SYS_WIN32 | |
157 ret->thread_id=GetCurrentThread(); | |
158 #endif | |
159 return ret; | |
160 } | |
161 | |
162 void ms_time_free(MS_TM *a) | |
163 { | |
164 if (a != NULL) | |
165 OPENSSL_free(a); | |
166 } | |
167 | |
168 void ms_time_get(MS_TM *tm) | |
169 { | |
170 #ifdef OPENSSL_SYS_WIN32 | |
171 FILETIME tmpa,tmpb,tmpc; | |
172 #endif | |
173 | |
174 #ifdef TIMES | |
175 times(&tm->ms_tms); | |
176 #else | |
177 # ifdef OPENSSL_SYS_WIN32 | |
178 GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32)); | |
179 # elif defined (OPENSSL_SYS_NETWARE) | |
180 tm->ms_clock = clock(); | |
181 # else | |
182 # ifdef OPENSSL_SYS_VXWORKS | |
183 tm->ticks = tickGet(); | |
184 # else | |
185 ftime(&tm->ms_timeb); | |
186 # endif | |
187 # endif | |
188 #endif | |
189 } | |
190 | |
191 double ms_time_diff(MS_TM *a, MS_TM *b) | |
192 { | |
193 double ret; | |
194 | |
195 #ifdef TIMES | |
196 ret = HZ; | |
197 ret = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / ret; | |
198 #else | |
199 # ifdef OPENSSL_SYS_WIN32 | |
200 { | |
201 #ifdef __GNUC__ | |
202 signed long long la,lb; | |
203 #else | |
204 signed _int64 la,lb; | |
205 #endif | |
206 la=a->ms_win32.dwHighDateTime; | |
207 lb=b->ms_win32.dwHighDateTime; | |
208 la<<=32; | |
209 lb<<=32; | |
210 la+=a->ms_win32.dwLowDateTime; | |
211 lb+=b->ms_win32.dwLowDateTime; | |
212 ret=((double)(lb-la))/1e7; | |
213 } | |
214 # elif defined (OPENSSL_SYS_NETWARE) | |
215 ret= (double)(b->ms_clock - a->ms_clock); | |
216 # else | |
217 # ifdef OPENSSL_SYS_VXWORKS | |
218 ret = (double)(b->ticks - a->ticks) / (double)sysClkRateGet(); | |
219 # else | |
220 ret= (double)(b->ms_timeb.time-a->ms_timeb.time)+ | |
221 (((double)b->ms_timeb.millitm)- | |
222 ((double)a->ms_timeb.millitm))/1000.0; | |
223 # endif | |
224 # endif | |
225 #endif | |
226 return((ret < 0.0000001)?0.0000001:ret); | |
227 } | |
228 | |
229 int ms_time_cmp(const MS_TM *a, const MS_TM *b) | |
230 { | |
231 double d; | |
232 int ret; | |
233 | |
234 #ifdef TIMES | |
235 d = HZ; | |
236 d = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / d; | |
237 #else | |
238 # ifdef OPENSSL_SYS_WIN32 | |
239 d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/
1e7; | |
240 d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/
1e7; | |
241 # elif defined (OPENSSL_SYS_NETWARE) | |
242 d= (double)(b->ms_clock - a->ms_clock); | |
243 # else | |
244 # ifdef OPENSSL_SYS_VXWORKS | |
245 d = (b->ticks - a->ticks); | |
246 # else | |
247 d= (double)(b->ms_timeb.time-a->ms_timeb.time)+ | |
248 (((double)b->ms_timeb.millitm)-(double)a->ms_timeb.millitm)/1000
.0; | |
249 # endif | |
250 # endif | |
251 #endif | |
252 if (d == 0.0) | |
253 ret=0; | |
254 else if (d < 0) | |
255 ret= -1; | |
256 else | |
257 ret=1; | |
258 return(ret); | |
259 } | |
260 | |
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