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/*
/usr/src/ext2ed/super_com.c
A part of the extended file system 2 disk editor.
----------------------
Handles the superblock
----------------------
First written on: April 9 1995
Copyright (C) 1995 Gadi Oxman
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "ext2ed.h"
void type_ext2_super_block___show (char *command_line)
{
struct ext2_super_block *super;
super=&type_data.u.t_ext2_super_block;
show (command_line);
if (ext2fs_blocks_count(super) != 0) {
wmove (show_pad,2,40);wprintw (show_pad,"%2.2f%%",100*(float) ext2fs_r_blocks_count(super)/ (float) ext2fs_blocks_count(super));
wmove (show_pad,3,40);wprintw (show_pad,"%2.2f%%",100*(float) ext2fs_free_blocks_count(super)/ (float) ext2fs_blocks_count(super));
}
if (super->s_inodes_count != 0) {
wmove (show_pad,4,40);wprintw (show_pad,"%2.2f%%",100*(float) super->s_free_inodes_count/ (float) super->s_inodes_count);
}
wmove (show_pad,6,40);
switch (super->s_log_block_size) {
case 0: wprintw (show_pad,"1024 bytes");break;
case 1: wprintw (show_pad,"2048 bytes");break;
case 2: wprintw (show_pad,"4096 bytes");break;
}
wmove (show_pad,11,40);wprintw (show_pad,"%s",ctime ((time_t *) &type_data.u.t_ext2_super_block.s_mtime));
wmove (show_pad,12,40);wprintw (show_pad,"%s",ctime ((time_t *) &type_data.u.t_ext2_super_block.s_wtime));
wmove (show_pad,19,40);wprintw (show_pad,"%s",ctime ((time_t *) &type_data.u.t_ext2_super_block.s_lastcheck));
wmove (show_pad,15,40);
switch (type_data.u.t_ext2_super_block.s_magic) {
case EXT2_SUPER_MAGIC:
wprintw (show_pad,"ext2 >= 0.2B");
break;
case EXT2_PRE_02B_MAGIC:
wprintw (show_pad,"ext2 < 0.2B (not supported)");
break;
default:
wprintw (show_pad,"Unknown");
break;
}
wmove (show_pad,16,40);
if (type_data.u.t_ext2_super_block.s_state & 0x1)
wprintw (show_pad,"clean ");
else
wprintw (show_pad,"not clean ");
if (type_data.u.t_ext2_super_block.s_state & 0x2)
wprintw (show_pad,"with errors ");
else
wprintw (show_pad,"with no errors");
wmove (show_pad,17,40);
switch (type_data.u.t_ext2_super_block.s_errors) {
case EXT2_ERRORS_CONTINUE:
wprintw (show_pad,"Continue");
break;
case EXT2_ERRORS_RO:
wprintw (show_pad,"Remount read only");
break;
case EXT2_ERRORS_PANIC:
wprintw (show_pad,"Issue kernel panic");
break;
default:
wprintw (show_pad,"Unknown");
break;
}
wmove (show_pad,21,40);
switch (type_data.u.t_ext2_super_block.s_creator_os) {
case EXT2_OS_LINUX:
wprintw (show_pad,"Linux :-)");
break;
case EXT2_OS_HURD:
wprintw (show_pad,"Hurd");
break;
default:
wprintw (show_pad,"Unknown");
break;
}
refresh_show_pad ();
wmove (show_win,1,0);wprintw (show_win,"\n");wmove (show_win,2,0);
wprintw (show_win,"Superblock copy %ld ",super_info.copy_num);
if (super_info.copy_num==0)
wprintw (show_win,"(main copy)");
wprintw (show_win,"\n");
refresh_show_win ();
}
void type_ext2_super_block___gocopy (char *command_line)
{
unsigned long copy_num,offset;
char *ptr,buffer [80];
ptr=parse_word (command_line,buffer);
if (*ptr==0) {
wprintw (command_win,"Error - No argument specified\n");refresh_command_win ();return;
}
ptr=parse_word (ptr,buffer);
copy_num=atol (buffer);
offset=file_system_info.super_block_offset+copy_num*file_system_info.no_blocks_in_group*file_system_info.block_size;
if (offset > file_system_info.file_system_size) {
wprintw (command_win,"Error - Copy number out of bounds\n");refresh_command_win ();return;
}
super_info.copy_num=copy_num;
device_offset=offset;
sprintf (buffer,"setoffset %ld",device_offset);dispatch (buffer);
strcpy (buffer,"show");dispatch (buffer);
}
void type_ext2_super_block___setactivecopy (char *command_line)
{
struct ext2_super_block sb;
sb=type_data.u.t_ext2_super_block;
dispatch ("gocopy 0");
type_data.u.t_ext2_super_block=sb;
dispatch ("show");
}
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