mystat.cpp

#include <iostream>
#include <iomanip>
#include <cstring>
#include <sys/stat.h>
#include <pwd.h>
#include <grp.h>
#include <ctime>

using namespace std;

void printStat(const char *, struct stat *);
char * permissions(mode_t);
char * type(mode_t);

int main(int argc, char ** argv)
{
	if (argc > 1)
	{
		struct stat buf;
		for (int i = 1; i < argc; ++i)
		{
			lstat(argv[i], &buf);
			printStat(argv[i], &buf);
		}
	}
	return 0;
}

char * permissions(mode_t mode)
{
	const char * modes[] = { "---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx" };

	char * dest = new char[10];
	dest[9] = 0;

	strcpy(&dest[0], modes[(mode >> 6) & 7]);
	strcpy(&dest[3], modes[(mode >> 3) & 7]);
	strcpy(&dest[6], modes[mode & 7]);

	return dest;
}

char * type(mode_t mode)
{
	char * buffer = new char[20];
	if (S_ISREG(mode))
	{
		strcpy(buffer, "zwykly plik");
		return buffer;
	}
		
	if (S_ISDIR(mode))
	{
		strcpy(buffer, "katalog");
		return buffer;
	}
	
	if (S_ISCHR(mode))
	{
		strcpy(buffer, "urzadzenie znakowe");
		return buffer;
	}
	
	if (S_ISBLK(mode))
	{
		strcpy(buffer, "urzadzenie blokowe");
		return buffer;
	}
	
	if (S_ISFIFO(mode))
	{
		strcpy(buffer, "potok");
		return buffer;
	}
	
	if (S_ISLNK(mode))
	{
		strcpy(buffer, "dowiazanie symboliczne");
		return buffer;
	}
	
	if (S_ISSOCK(mode))
	{
		strcpy(buffer, "gniazdo");
		return buffer;
	}
}
		

void printStat(const char * fname, struct stat *data)
{
	struct passwd *pw = getpwuid(data->st_uid);
	struct group *gr = getgrgid(data->st_gid);
	cout << "_____________________________________________________________" << endl;
	cout << "Nazwa pliku: " << fname << "\tRozmiar pliku: " << data->st_size << "\n";
	cout << "Rozmiar bloku: " << data->st_blksize << "\tLiczba zajmowanych blokow: " << data->st_blocks << "\n";
	cout << "Urzadzenie: " << hex << data->st_dev << "h/" << dec << data->st_dev << "d\ti-wezel: " << data->st_ino << "\n";
	cout << "Liczba twardych dowiazan: " << data->st_nlink << "\t\t" << type(data->st_mode) << "\n";
	cout << "Uprawnienia: (" << oct << data->st_mode << ") " << permissions(data->st_mode) << "\n";
	cout << dec << "Wlasciciel: " << data->st_uid << " (" << pw->pw_name << ")\tGrupa: " << data->st_gid << " (" << gr->gr_name << ")\n";
	char timebuffer[80];
	struct tm *ptm;
	ptm = localtime(&(data->st_atime));
	strftime(timebuffer, 80, "%c", ptm);
	cout << "Ostatni dostep:        " << timebuffer << "\n";
	ptm = localtime(&(data->st_mtime));
	strftime(timebuffer, 80, "%c", ptm);
	cout << "Data modyfikacji:      " << timebuffer << "\n";
	ptm = localtime(&(data->st_ctime));
	strftime(timebuffer, 80, "%c", ptm);
	cout << "Data zmiany atrybutow: " << timebuffer << "\n";
	cout << "____________________________________________________________" << endl;
}