1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/tmdiff.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,266 @@
1.4 +/* crypto/tmdiff.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +#include <stdio.h>
1.62 +#include <stdlib.h>
1.63 +#include "cryptlib.h"
1.64 +#include <openssl/tmdiff.h>
1.65 +#if !defined(OPENSSL_SYS_MSDOS)
1.66 +#include OPENSSL_UNISTD
1.67 +#endif
1.68 +
1.69 +
1.70 +#ifdef TIMEB
1.71 +#undef OPENSSL_SYS_WIN32
1.72 +#undef TIMES
1.73 +#endif
1.74 +
1.75 +#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32) && !(defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX_RHAPSODY) && !defined(OPENSSL_SYS_VXWORKS)
1.76 +# define TIMES
1.77 +#endif
1.78 +
1.79 +#ifdef OPENSSL_SYS_NETWARE
1.80 +#undef TIMES
1.81 +#endif
1.82 +
1.83 +
1.84 +#if !defined(_IRIX) || defined (OPENSSL_SYS_NETWARE)
1.85 +# include <time.h>
1.86 +#endif
1.87 +
1.88 +
1.89 +
1.90 +#ifdef TIMES
1.91 +# include <sys/types.h>
1.92 +# include <sys/times.h>
1.93 +#endif
1.94 +
1.95 +/* Depending on the VMS version, the tms structure is perhaps defined.
1.96 + The __TMS macro will show if it was. If it wasn't defined, we should
1.97 + undefine TIMES, since that tells the rest of the program how things
1.98 + should be handled. -- Richard Levitte */
1.99 +#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
1.100 +#undef TIMES
1.101 +#endif
1.102 +
1.103 +#if defined(sun) || defined(__ultrix)
1.104 +#define _POSIX_SOURCE
1.105 +#include <limits.h>
1.106 +#include <sys/param.h>
1.107 +#endif
1.108 +
1.109 +#if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_NETWARE)
1.110 +#include <sys/timeb.h>
1.111 +#endif
1.112 +
1.113 +#ifdef OPENSSL_SYS_WIN32
1.114 +#include <windows.h>
1.115 +#endif
1.116 +
1.117 +/* The following if from times(3) man page. It may need to be changed */
1.118 +#ifndef HZ
1.119 +# if defined(_SC_CLK_TCK) \
1.120 + && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000)
1.121 +/* # define HZ ((double)sysconf(_SC_CLK_TCK)) */
1.122 +//# define HZ sysconf(_SC_CLK_TCK) TODO to uncomment N COMMENT NEXT line
1.123 +# define HZ 100.0
1.124 +# else
1.125 +# ifndef CLK_TCK
1.126 +# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
1.127 +# define HZ 100.0
1.128 +# else /* _BSD_CLK_TCK_ */
1.129 +# define HZ ((double)_BSD_CLK_TCK_)
1.130 +# endif
1.131 +# else /* CLK_TCK */
1.132 +# define HZ ((double)CLK_TCK)
1.133 +# endif
1.134 +# endif
1.135 +#endif
1.136 +
1.137 +struct ms_tm
1.138 + {
1.139 +#ifdef TIMES
1.140 + struct tms ms_tms;
1.141 +#else
1.142 +# ifdef OPENSSL_SYS_WIN32
1.143 + HANDLE thread_id;
1.144 + FILETIME ms_win32;
1.145 +# elif defined (OPENSSL_SYS_NETWARE)
1.146 + clock_t ms_clock;
1.147 +# else
1.148 +# ifdef OPENSSL_SYS_VXWORKS
1.149 + unsigned long ticks;
1.150 +# else
1.151 + struct timeb ms_timeb;
1.152 +# endif
1.153 +# endif
1.154 +#endif
1.155 + };
1.156 +
1.157 +EXPORT_C MS_TM *ms_time_new(void)
1.158 + {
1.159 + MS_TM *ret;
1.160 +
1.161 + ret=(MS_TM *)OPENSSL_malloc(sizeof(MS_TM));
1.162 + if (ret == NULL)
1.163 + return(NULL);
1.164 + memset(ret,0,sizeof(MS_TM));
1.165 +#ifdef OPENSSL_SYS_WIN32
1.166 + ret->thread_id=GetCurrentThread();
1.167 +#endif
1.168 + return ret;
1.169 + }
1.170 +
1.171 +EXPORT_C void ms_time_free(MS_TM *a)
1.172 + {
1.173 + if (a != NULL)
1.174 + OPENSSL_free(a);
1.175 + }
1.176 +
1.177 +EXPORT_C void ms_time_get(MS_TM *tm)
1.178 + {
1.179 +#ifdef OPENSSL_SYS_WIN32
1.180 + FILETIME tmpa,tmpb,tmpc;
1.181 +#endif
1.182 +
1.183 +#ifdef TIMES
1.184 + //times(&tm->ms_tms);TODO to uncomment
1.185 +#else
1.186 +# ifdef OPENSSL_SYS_WIN32
1.187 + GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32));
1.188 +# elif defined (OPENSSL_SYS_NETWARE)
1.189 + tm->ms_clock = clock();
1.190 +# else
1.191 +# ifdef OPENSSL_SYS_VXWORKS
1.192 + tm->ticks = tickGet();
1.193 +# else
1.194 + ftime(&tm->ms_timeb);
1.195 +# endif
1.196 +# endif
1.197 +#endif
1.198 + }
1.199 +
1.200 +EXPORT_C double ms_time_diff(MS_TM *a, MS_TM *b)
1.201 + {
1.202 + double ret;
1.203 +
1.204 +#ifdef TIMES
1.205 + ret = HZ;
1.206 + ret = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / ret;
1.207 +#else
1.208 +# ifdef OPENSSL_SYS_WIN32
1.209 + {
1.210 +#ifdef __GNUC__
1.211 + signed long long la,lb;
1.212 +#else
1.213 + signed _int64 la,lb;
1.214 +#endif
1.215 + la=a->ms_win32.dwHighDateTime;
1.216 + lb=b->ms_win32.dwHighDateTime;
1.217 + la<<=32;
1.218 + lb<<=32;
1.219 + la+=a->ms_win32.dwLowDateTime;
1.220 + lb+=b->ms_win32.dwLowDateTime;
1.221 + ret=((double)(lb-la))/1e7;
1.222 + }
1.223 +# elif defined (OPENSSL_SYS_NETWARE)
1.224 + ret= (double)(b->ms_clock - a->ms_clock);
1.225 +# else
1.226 +# ifdef OPENSSL_SYS_VXWORKS
1.227 + ret = (double)(b->ticks - a->ticks) / (double)sysClkRateGet();
1.228 +# else
1.229 + ret= (double)(b->ms_timeb.time-a->ms_timeb.time)+
1.230 + (((double)b->ms_timeb.millitm)-
1.231 + ((double)a->ms_timeb.millitm))/1000.0;
1.232 +# endif
1.233 +# endif
1.234 +#endif
1.235 + return((ret < 0.0000001)?0.0000001:ret);
1.236 + }
1.237 +
1.238 +EXPORT_C int ms_time_cmp(const MS_TM *a, const MS_TM *b)
1.239 + {
1.240 + double d;
1.241 + int ret;
1.242 +
1.243 +#ifdef TIMES
1.244 + d = HZ;
1.245 + d = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / d;
1.246 +#else
1.247 +# ifdef OPENSSL_SYS_WIN32
1.248 + d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/1e7;
1.249 + d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7;
1.250 +# elif defined (OPENSSL_SYS_NETWARE)
1.251 + d= (double)(b->ms_clock - a->ms_clock);
1.252 +# else
1.253 +# ifdef OPENSSL_SYS_VXWORKS
1.254 + d = (b->ticks - a->ticks);
1.255 +# else
1.256 + d= (double)(b->ms_timeb.time-a->ms_timeb.time)+
1.257 + (((double)b->ms_timeb.millitm)-(double)a->ms_timeb.millitm)/1000.0;
1.258 +# endif
1.259 +# endif
1.260 +#endif
1.261 + if (d == 0.0)
1.262 + ret=0;
1.263 + else if (d < 0)
1.264 + ret= -1;
1.265 + else
1.266 + ret=1;
1.267 + return(ret);
1.268 + }
1.269 +