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Diffstat (limited to 'openssl/crypto/tmdiff.c')
| -rw-r--r-- | openssl/crypto/tmdiff.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/openssl/crypto/tmdiff.c b/openssl/crypto/tmdiff.c new file mode 100644 index 000000000..1c6e052ac --- /dev/null +++ b/openssl/crypto/tmdiff.c @@ -0,0 +1,260 @@ +/* crypto/tmdiff.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +#include <stdio.h> +#include <stdlib.h> +#include "cryptlib.h" +#include <openssl/tmdiff.h> +#if !defined(OPENSSL_SYS_MSDOS) +#include OPENSSL_UNISTD +#endif + +#ifdef TIMEB +#undef OPENSSL_SYS_WIN32 +#undef TIMES +#endif + +#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32) && !(defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX_RHAPSODY) && !defined(OPENSSL_SYS_VXWORKS) +# define TIMES +#endif + +#ifdef OPENSSL_SYS_NETWARE +#undef TIMES +#endif + +#if !defined(_IRIX) || defined (OPENSSL_SYS_NETWARE) +# include <time.h> +#endif +#ifdef TIMES +# include <sys/types.h> +# include <sys/times.h> +#endif + +/* Depending on the VMS version, the tms structure is perhaps defined. + The __TMS macro will show if it was. If it wasn't defined, we should + undefine TIMES, since that tells the rest of the program how things + should be handled. -- Richard Levitte */ +#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) +#undef TIMES +#endif + +#if defined(sun) || defined(__ultrix) +#define _POSIX_SOURCE +#include <limits.h> +#include <sys/param.h> +#endif + +#if !defined(TIMES) && !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_NETWARE) +#include <sys/timeb.h> +#endif + +#ifdef OPENSSL_SYS_WIN32 +#include <windows.h> +#endif + +/* The following if from times(3) man page. It may need to be changed */ +#ifndef HZ +# if defined(_SC_CLK_TCK) \ + && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000) +/* # define HZ ((double)sysconf(_SC_CLK_TCK)) */ +# define HZ sysconf(_SC_CLK_TCK) +# else +# ifndef CLK_TCK +# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ +# define HZ 100.0 +# else /* _BSD_CLK_TCK_ */ +# define HZ ((double)_BSD_CLK_TCK_) +# endif +# else /* CLK_TCK */ +# define HZ ((double)CLK_TCK) +# endif +# endif +#endif + +struct ms_tm + { +#ifdef TIMES + struct tms ms_tms; +#else +# ifdef OPENSSL_SYS_WIN32 + HANDLE thread_id; + FILETIME ms_win32; +# elif defined (OPENSSL_SYS_NETWARE) + clock_t ms_clock; +# else +# ifdef OPENSSL_SYS_VXWORKS + unsigned long ticks; +# else + struct timeb ms_timeb; +# endif +# endif +#endif + }; + +MS_TM *ms_time_new(void) + { + MS_TM *ret; + + ret=(MS_TM *)OPENSSL_malloc(sizeof(MS_TM)); + if (ret == NULL) + return(NULL); + memset(ret,0,sizeof(MS_TM)); +#ifdef OPENSSL_SYS_WIN32 + ret->thread_id=GetCurrentThread(); +#endif + return ret; + } + +void ms_time_free(MS_TM *a) + { + if (a != NULL) + OPENSSL_free(a); + } + +void ms_time_get(MS_TM *tm) + { +#ifdef OPENSSL_SYS_WIN32 + FILETIME tmpa,tmpb,tmpc; +#endif + +#ifdef TIMES + times(&tm->ms_tms); +#else +# ifdef OPENSSL_SYS_WIN32 + GetThreadTimes(tm->thread_id,&tmpa,&tmpb,&tmpc,&(tm->ms_win32)); +# elif defined (OPENSSL_SYS_NETWARE) + tm->ms_clock = clock(); +# else +# ifdef OPENSSL_SYS_VXWORKS + tm->ticks = tickGet(); +# else + ftime(&tm->ms_timeb); +# endif +# endif +#endif + } + +double ms_time_diff(MS_TM *a, MS_TM *b) + { + double ret; + +#ifdef TIMES + ret = HZ; + ret = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / ret; +#else +# ifdef OPENSSL_SYS_WIN32 + { +#ifdef __GNUC__ + signed long long la,lb; +#else + signed _int64 la,lb; +#endif + la=a->ms_win32.dwHighDateTime; + lb=b->ms_win32.dwHighDateTime; + la<<=32; + lb<<=32; + la+=a->ms_win32.dwLowDateTime; + lb+=b->ms_win32.dwLowDateTime; + ret=((double)(lb-la))/1e7; + } +# elif defined (OPENSSL_SYS_NETWARE) + ret= (double)(b->ms_clock - a->ms_clock); +# else +# ifdef OPENSSL_SYS_VXWORKS + ret = (double)(b->ticks - a->ticks) / (double)sysClkRateGet(); +# else + ret= (double)(b->ms_timeb.time-a->ms_timeb.time)+ + (((double)b->ms_timeb.millitm)- + ((double)a->ms_timeb.millitm))/1000.0; +# endif +# endif +#endif + return((ret < 0.0000001)?0.0000001:ret); + } + +int ms_time_cmp(const MS_TM *a, const MS_TM *b) + { + double d; + int ret; + +#ifdef TIMES + d = HZ; + d = (b->ms_tms.tms_utime-a->ms_tms.tms_utime) / d; +#else +# ifdef OPENSSL_SYS_WIN32 + d =(b->ms_win32.dwHighDateTime&0x000fffff)*10+b->ms_win32.dwLowDateTime/1e7; + d-=(a->ms_win32.dwHighDateTime&0x000fffff)*10+a->ms_win32.dwLowDateTime/1e7; +# elif defined (OPENSSL_SYS_NETWARE) + d= (double)(b->ms_clock - a->ms_clock); +# else +# ifdef OPENSSL_SYS_VXWORKS + d = (b->ticks - a->ticks); +# else + d= (double)(b->ms_timeb.time-a->ms_timeb.time)+ + (((double)b->ms_timeb.millitm)-(double)a->ms_timeb.millitm)/1000.0; +# endif +# endif +#endif + if (d == 0.0) + ret=0; + else if (d < 0) + ret= -1; + else + ret=1; + return(ret); + } + |