int main (int argc, char ** argv )
{
// setvbuf(stdin, buff_stdin, _IOFBF, 0x1000);
// setvbuf(stdout, buff_stdout, _IOFBF, 0x1000);
char *real_obj_name = NULL;
int mode = 0;
mode = get_work_mode (argc, argv);
if ( save_settings_to_fs () < 0 )
return -1;
if ( ( real_obj_name = prepare_object (mode)) == NULL )
{
return -1;
}
test_read_dir( "/docs/list.txt" );
docs_to_xml( TEMP_DIR, mode );
do_index_xml ();
save_index ();
mylistdir( "/" );
return 0;
}
// Implements EMPTY directory deletion
void myrmdir(char *path){
// if it's an abs path then return to root
if (path[0] == '/'){
mychdir("root");
}
// if the folder is empty, i.e. the first item is it's list is the ENDOFDIR tag
if (strcmp(mylistdir(path)[1], "ENDOFDIR") == 0) {
// keep a track of where we start the process as the current dir changes in here, somewhere...
int initial_current_dir_index = current_dir_index;
int initial_current_dir_first_block = current_dir->first_block;
// calculate the parent of the dir to remove and chdir to it
char *target = strstr(path, last_entry_in_path(path_to_array(path)));
int position = target - path;
char parent_path[position+1];
for(int i = 0; i < position + 1; i++){
parent_path[i] = '\0';
}
strncpy(parent_path, path, position);
if(strcmp(parent_path,"") != 0) {
mychdir(parent_path);
}
// find the entry for the dir to be deleted
int entrylist_target = file_entry_index(last_entry_in_path(path_to_array(path)));
// find the start of it's block chain
int block_chain_target = virtual_disk[current_dir_index].dir.entrylist[entrylist_target].first_block;
// clear the dir entry and it's name ready for reuse (still don't have that feature)
direntry_t *dir_entry = &virtual_disk[current_dir_index].dir.entrylist[entrylist_target];
dir_entry->first_block = 0;
dir_entry->unused = 1;
int length = strlen(dir_entry->name);
for (int i = 0; i < length; i++){
dir_entry->name[i] = '\0';
}
// clear the dirs block chain and update the fat
int next_block_chain_target;
while(1){
next_block_chain_target = FAT[block_chain_target];
FAT[block_chain_target] = UNUSED;
if (next_block_chain_target == ENDOFCHAIN) break;
block_chain_target = next_block_chain_target;
}
copy_fat(FAT);
// go back to where we started!
current_dir_index = initial_current_dir_index;
current_dir->first_block = initial_current_dir_first_block;
} else {
printf("That directory has content and cannot be deleted.\n");
}
}
