// Global.cpp: implementation of global data & functions.////////////////////////////////////////////////////////////////////////#include <string.h>#include "Global.h"#if defined(WIN32)#include <windows.h>#else#include <errno.h>#endif // WIN32//////////////////////////////////////////////////////////////////////// variables.//////////////////////////////////////////////////////////////////////FILE *gpResultFile=NULL;// time taken, # of freq items and # of each large item.FILE *gpStatusFile=NULL;// on going progress status of program.#if defined( _WRITE_FREQUENT_FILE )FILE *gpFreqFile=NULL;	// frequent items found.#endifFILE *gpErrFile=NULL;		// file handle containing data set to be mined.int gMAX_PAT_LEN=30;	// maximum length of a frequent sequence.int gN_ITEMS=10000;		// # of items in the database.double gSUP=0.0;		// requested support for frequent patterns.int* gnArrLargeCount=NULL;// # of large patterns of different lengths.#if defined( _FIND_CLOSED_SEQS )	int * gnResSizeCount = NULL; // # of patterns of different lengths in the resultset.#endifint gnCustCount=0;  // number of customers in database.int* buf_idx=0;#ifndef DISK_BASEDint* bufseq=0;#endifstruct COUNTER* inter = NULL;struct COUNTER* intra = NULL;int* inter_freq_idx = NULL;int* intra_freq_idx = NULL;#if defined(WIN32)struct _timeb *pTimer=0;#elsestruct timeb *pTimer=0;#endif // WIN32//////////////////////////////////////////////////////////////////////// functions.//////////////////////////////////////////////////////////////////////FILE *file_open(const char *f_name, const char *mode){	FILE *f=fopen(f_name, mode);	if (f==0){    if (gpErrFile != NULL)      fprintf(gpErrFile , "Fail to open file %s with mode %s\n", f_name, mode);    else       printf("Fail to open file %s with mode %s\n", f_name, mode);		exit(-1);	}	return(f);}#if defined(WIN32)void CreateTimers(int nCount){ 	pTimer=(struct _timeb*)memalloc(sizeof(struct _timeb)*nCount); }double GetTimeDiff(int nTimer){	struct _timeb endTime;	_ftime(&endTime);			// record end time.	return (double(endTime.time - pTimer[nTimer].time) + 						 (endTime.millitm - pTimer[nTimer].millitm) / 1000.0);}void ReportError(){    char *lpszError=NULL;    /* get formatted error message from system */    if (!FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,			NULL,			GetLastError (),			MAKELONG (MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), 0),			(LPTSTR)&lpszError,			0,			NULL))	return;	fprintf(gpErrFile, "%s\n", lpszError);	LocalFree(lpszError);}#elsevoid CreateTimers(int nCount){ 	pTimer=(struct timeb*)memalloc(sizeof(struct timeb)*nCount); }double GetTimeDiff(int nTimer){	struct timeb endTime;	ftime(&endTime);			// record end time.	return (double(endTime.time - pTimer[nTimer].time) + 						 (endTime.millitm - pTimer[nTimer].millitm) / 1000.0);}void ReportError(){	fprintf(gpErrFile, "%s\n", strerror(errno));}#endif // WIN32void DeleteTimers() { freemem ((void**) &pTimer); }//////////////////////////////////////////////////////////////////////// END