Question

can someone help me with changing this to c++ language

#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <string.h>
#include <dirent.h>
#include <sys/wait.h>
#include <time.h>
#include <sys/stat.h>
#include <unistd.h>

char *pathLog;
char *pathRep;   
struct stat attr;
int fileNum, curNum;

char *create_logPath(char *directory);   
void *funcChecker(void *pathSub);
void *funcprintTimeAndChanges(void *pathSub);   

void main(int argc, char *argv[])
{
   if(argc < 3)
   {
printf("%s must be executed with exactly two additional arguments (pathRep, pathSub)!\n", argv[0]);
printf("Typed count is %d\n", argc);
printf("Aborted automatically...\n");
exit(-1);

}
   else if(argc > 3)
   {
printf("Too many arguments!. %s must be executed with exactly two additional arguments (pathRep, pathSub)!\n", argv[0]);
printf("Aborted automatically...\n");
exit(-1);
}

printf("Main function ->\n");
printf("pathRep: %s\n", argv[1]);
printf("pathSub: %s\n", argv[2]);

printf("\nfuncChecker ->\n");
printf("pathChk: %s\n\n", argv[2]);

pathLog = create_logPath(argv[1]);

printf("funcprintTimeAndChanges ->\n");
printf("pathChk: %s\n", argv[2]);
printf("pathLog: %s\n\n", pathLog);

pathRep = argv[1];
char *pathSub = argv[2];

pthread_t threadChecker;
if(pthread_create(&threadChecker, NULL, funcChecker, (void *)pathSub))
{
printf("Error! Return code from pthread_create()\n");
exit(-1);
}

pthread_join(threadChecker, NULL);   

exit(0);
}

// Get the 0_repHist.log file path
char* create_logPath(char *directory)
{
char pathFile[100];

char* logname = "_0-repHist.log";
char* lpath = malloc(strlen(directory) + strlen(logname));

strcpy(lpath, directory);
strcat(lpath, logname);

return lpath;
}

// Check is there any change in FolderSubmission
void *funcChecker(void *pathSub)
{
pthread_t threadWorker_TimeAndChanges;
fileNum = curNum = 0;
char *sub = (char *) pathSub;

DIR *d;
struct dirent *dir;   
d = opendir(sub);

if (d)
{
while ((dir = readdir(d)) != NULL)
{
if(dir->d_name[0] != '.')
fileNum++;
}
closedir(d);
}

while(1)
{
d = opendir(sub);
if (d)
{
while ((dir = readdir(d)) != NULL)
{
if (dir->d_name[0] != '.')
curNum++;
}
closedir(d);

if(curNum != fileNum)   
{
   stat(sub, &attr);
}
if(pthread_create(&threadWorker_TimeAndChanges, NULL, funcprintTimeAndChanges, (void *)sub))   
{
printf("Error! Return code from pthread_create()\n");
exit(-1);
}
pthread_join(threadWorker_TimeAndChanges, NULL);
fileNum = curNum;
}
curNum = 0;
sleep(1);   
}
}

void *funcprintTimeAndChanges(void *pathSub)
{
char *sub = (char *) pathSub;
char pathFile[300];
char pathFile2[400];

DIR *d;
struct dirent *dir;
d = opendir(sub);

if(fileNum != curNum)   
{
if (d)
{
while ((dir = readdir(d)) != NULL)
{
if(dir->d_name[0] != '.')
{
sprintf(pathFile,"cp -r %s%s %s", sub, dir->d_name, pathRep);
system(pathFile);
}
}
closedir(d);
}

// Print the changes and time to the terminal

printf("Last modified time: %s", ctime(&attr.st_mtime));
sprintf(pathFile, "ls -sR %s", sub);
system(pathFile);
printf("------------------------------------------------------------------------------\n\n");

snprintf(pathFile2, sizeof(pathFile2), "date >> %s && ls -sR %s >> %s && echo '----------\n' >> %s", pathLog, sub, pathLog, pathLog);
system(pathFile2);
}

   printf("\r\033[1A%c", system("date")); // \r: Set cursor to the first char of the line; \033[1A: move cursor up 1 line;
   fflush(stdout);   // Clear output buffer
   usleep((int)(100000));
}

Answer 1

#include<iostream>
#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <string.h>
#include <dirent.h>

#include <time.h>
#include <sys/stat.h>
#include <unistd.h>
using namespace std;

char *pathLog;
char *pathRep;
struct stat attr;
int fileNum, curNum;

char *create_logPath(char *directory);
void *funcChecker(void *pathSub);
void *funcprintTimeAndChanges(void *pathSub);

int main(int argc, char *argv[])
{
if(argc < 3)
{
cout<<argv[0]<<"must be executed with exactly two additional arguments (pathRep, pathSub)!\n";
cout<<"Typed count is "<<argc<<"\n";
cout<<"Aborted automatically...\n";
exit(-1);
}
else if(argc > 3)
{
cout<<"Too many arguments!."<<argv[0]<<" must be executed with exactly two additional arguments (pathRep, pathSub)!\n";
cout<<"Aborted automatically...\n";
exit(-1);
}

cout<<"Main function ->\n";
cout<<"pathRep:"<<argv[1]<<"\n";
cout<<"pathSub:"<<argv[2]<<"\n";

cout<<"\nfuncChecker ->\n";
cout<<"pathChk:"<<argv[2]<<"\n\n";

pathLog = create_logPath(argv[1]);

cout<<"funcprintTimeAndChanges ->\n";
cout<<"pathChk:"<<argv[2]<<"\n";
cout<<"pathLog:"<<pathLog<<"\n\n";

pathRep = argv[1];
char *pathSub = argv[2];

pthread_t threadChecker;
if(pthread_create(&threadChecker, NULL, funcChecker, (void *)pathSub))
{
cout<<"Error! Return code from pthread_create()\n";
exit(-1);
}

pthread_join(threadChecker, NULL);
exit(0);
return 0;
}

// Get the 0_repHist.log file path
char* create_logPath(char *directory)
{
char pathFile[100];

char* logname = "_0-repHist.log";
char *lpath=new char[strlen(directory) + strlen(logname)];
strcpy(lpath, directory);
strcat(lpath, logname);
return lpath;
}

// Check is there any change in FolderSubmission
void *funcChecker(void *pathSub)
{
pthread_t threadWorker_TimeAndChanges;
fileNum = curNum = 0;
char *sub = (char *) pathSub;

DIR *d;
struct dirent *dir;
d = opendir(sub);

if (d)
{
while ((dir = readdir(d)) != NULL)
{
if(dir->d_name[0] != '.')
fileNum++;
}
closedir(d);
}

while(1)
{
d = opendir(sub);
if (d)
{
while ((dir = readdir(d)) != NULL)
{
if (dir->d_name[0] != '.')
curNum++;
}
closedir(d);

if(curNum != fileNum)
{
stat(sub, &attr);
}
if(pthread_create(&threadWorker_TimeAndChanges, NULL, funcprintTimeAndChanges, (void *)sub))
{
cout<<"Error! Return code from pthread_create()\n";
exit(-1);
}
pthread_join(threadWorker_TimeAndChanges, NULL);
fileNum = curNum;
}
curNum = 0;
sleep(1);
}
}

void *funcprintTimeAndChanges(void *pathSub)
{
char *sub = (char *) pathSub;
char pathFile[300];
char pathFile2[400];

DIR *d;
struct dirent *dir;
d = opendir(sub);

if(fileNum != curNum)
{
if (d)
{
while ((dir = readdir(d)) != NULL)
{
if(dir->d_name[0] != '.')
{
sprintf(pathFile,"cp -r %s%s %s", sub, dir->d_name, pathRep);
system(pathFile);
}
}
closedir(d);
}

// Print the changes and time to the terminal

cout<<"Last modified time: "<<ctime(&attr.st_mtime);
sprintf(pathFile, "ls -sR %s", sub);
system(pathFile);
cout<<"------------------------------------------------------------------------------\n\n";

snprintf(pathFile2, sizeof(pathFile2), "date >> %s && ls -sR %s >> %s && echo '----------\n' >> %s", pathLog, sub, pathLog, pathLog);
system(pathFile2);
}

cout<<"\r\033[1A"<<system("date"); // \r: Set cursor to the first char of the line; \033[1A: move cursor up 1 line;
fflush(stdout); // Clear output buffer
usleep((int)(100000));
}