int init_dir_info (struct struct_file_info *info_ptr)
{
struct ext2_inode *ptr;
ptr=&type_data.u.t_ext2_inode; /* type_data contains the inode */
info_ptr->inode_ptr=ptr;
info_ptr->inode_offset=device_offset; /* device offset contains the inode's offset */
/* Reset the current position to the start */
info_ptr->global_block_num=ptr->i_block [0];
info_ptr->global_block_offset=ptr->i_block [0]*file_system_info.block_size;
info_ptr->block_num=0;
info_ptr->file_offset=0;
/* Set the size of the directory */
info_ptr->blocks_count=(ptr->i_size+file_system_info.block_size-1)/file_system_info.block_size;
info_ptr->file_length=ptr->i_size;
info_ptr->level=0; /* We start using direct blocks */
info_ptr->display=HEX; /* This is not actually used */
info_ptr->dir_entry_num=0;info_ptr->dir_entries_count=0; /* We'll start at the first directory entry */
info_ptr->dir_entry_offset=0;
/* Find dir_entries_count */
info_ptr->dir_entries_count=count_dir_entries (); /* Set the total number of entries */
return (1);
}
int
init_list_for_dir(char *dir)
{
int i, amount;
struct dir_contents *contents;
fileobj **list;
amount = count_dir_entries(".", false, false);
if (amount == 0)
return (-1);
contents = malloc(sizeof (contents));
if (!contents) {
return (-1);
}
list = malloc(sizeof (contents->list) * amount);
if (!list) {
return (-1);
}
for (i = 0; i < amount; i++) {
list[i] = malloc(NAME_MAX + 1);
if (!list[i]) {
return (-1);
}
}
contents->list = list;
contents->amount = amount;
file_list.contents = contents;
return (0);
}
int init_dir_info (struct struct_file_info *info_ptr)
/*
This function is called by the inode of the directory when the user issues the dir command from the inode.
It is used to gather information about the inode and to reset some variables which we need in order to handle
directories.
*/
{
struct ext2_inode *ptr;
ptr=&type_data.u.t_ext2_inode; /* type_data contains the inode */
info_ptr->inode_ptr=ptr;
info_ptr->inode_offset=device_offset; /* device offset contains the inode's offset */
/* Reset the current position to the start */
info_ptr->global_block_num=ptr->i_block [0];
info_ptr->global_block_offset=ptr->i_block [0]*file_system_info.block_size;
info_ptr->block_num=0;
info_ptr->file_offset=0;
/* Set the size of the directory */
info_ptr->blocks_count=(ptr->i_size+file_system_info.block_size-1)/file_system_info.block_size;
info_ptr->file_length=ptr->i_size;
info_ptr->level=0; /* We start using direct blocks */
info_ptr->display=HEX; /* This is not actually used */
info_ptr->dir_entry_num=0;info_ptr->dir_entries_count=0; /* We'll start at the first directory entry */
info_ptr->dir_entry_offset=0;
/* Find dir_entries_count */
info_ptr->dir_entries_count=count_dir_entries (); /* Set the total number of entries */
return (1);
}
