int main(int argc, char **argv){
int opt;
while ((opt = getopt(argc, argv, "a")) != -1){
switch(opt){
case 'a':
hidden_files_flag = true;
break;
default:
printf("No such option as %c", opt);
break;
}
}
DIR *dir = opendir(".");
struct dirent *entry;
while ((entry = readdir(dir)) != NULL) {
printf("%s\n", entry->d_name);
}
stat("./", &file_stat);
printf("%d\n", file_stat.st_size);
printf("%d\n", file_stat.st_uid);
print_file_type(file_stat.st_mode);
struct passwd *pwd = getpwuid(file_stat.st_uid);
printf("%d\n", pwd->pw_name);
printf("%d\n", file_stat.st_mtime);
return 0;
}
void display_file_info(const char *filename)
{
// Local parameters
int i; // Loop index
char *token, *prev_token; // For string tokenizing
struct stat buf;
if (lstat(filename, &buf) < 0) {
fprintf(stderr, "stat error: %s\n", strerror(errno));
return;
}
// Print permissions
print_permissions(&buf);
printf("\t");
// Print the number of links to the file
printf("%lu\t", (size_t) buf.st_nlink);
// Print the user id of the file
struct passwd *pwd = getpwuid(buf.st_uid);
printf("%s\t", pwd->pw_name);
// Print the group id of the file
struct group *grp = getgrgid(buf.st_gid);
printf("%s\t", grp->gr_name);
// Print the size of the file
printf("%lu\t", (size_t) buf.st_size);
// Print the time of last modification
char buffer[MAX_STRING_SIZE];
strftime(buffer, MAX_STRING_SIZE, "%b %d %H:%M", localtime(&(buf.st_mtime)));
printf("%s\t", buffer);
// Duplicate filename contents
for (i = 0; i < strlen(filename); ++i) {
buffer[i] = filename[i];
}
buffer[ strlen(filename) ] = 0;
// Get the last '/' delimeted string; the local filename
token = strtok(buffer, "/"), prev_token = 0;
while ((token = strtok(0, "/")) != 0) {
prev_token = token;
}
printf("%s", prev_token);
// Determine the type of file
print_file_type(&buf);
if (S_ISLNK(buf.st_mode)) {
printf(" -> ");
// Zero buffer contents
int i;
char buffer[MAX_STRING_SIZE];
for (i = 0; i < MAX_STRING_SIZE; ++i) {
buffer[i] = '\0';
}
readlink(filename, buffer, MAX_STRING_SIZE);
printf("%s", buffer);
}
printf("\n");
}
