Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | /usr/src/ext2ed/super_com.c |
| 4 | |
| 5 | A part of the extended file system 2 disk editor. |
| 6 | |
| 7 | ---------------------- |
| 8 | Handles the superblock |
| 9 | ---------------------- |
| 10 | |
| 11 | First written on: April 9 1995 |
| 12 | |
| 13 | Copyright (C) 1995 Gadi Oxman |
| 14 | |
| 15 | */ |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <string.h> |
| 20 | #include <time.h> |
| 21 | |
| 22 | #include "ext2ed.h" |
| 23 | |
| 24 | void type_ext2_super_block___show (char *command_line) |
| 25 | |
| 26 | { |
| 27 | struct ext2_super_block *super; |
| 28 | super=&type_data.u.t_ext2_super_block; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 29 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 30 | show (command_line); |
| 31 | |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 32 | if (ext2fs_blocks_count(super) != 0) { |
| 33 | wmove (show_pad,2,40);wprintw (show_pad,"%2.2f%%",100*(float) ext2fs_r_blocks_count(super)/ (float) ext2fs_blocks_count(super)); |
| 34 | wmove (show_pad,3,40);wprintw (show_pad,"%2.2f%%",100*(float) ext2fs_free_blocks_count(super)/ (float) ext2fs_blocks_count(super)); |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 35 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 36 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 37 | if (super->s_inodes_count != 0) { |
| 38 | wmove (show_pad,4,40);wprintw (show_pad,"%2.2f%%",100*(float) super->s_free_inodes_count/ (float) super->s_inodes_count); |
| 39 | } |
| 40 | |
| 41 | wmove (show_pad,6,40); |
| 42 | switch (super->s_log_block_size) { |
| 43 | case 0: wprintw (show_pad,"1024 bytes");break; |
| 44 | case 1: wprintw (show_pad,"2048 bytes");break; |
| 45 | case 2: wprintw (show_pad,"4096 bytes");break; |
| 46 | } |
| 47 | wmove (show_pad,11,40);wprintw (show_pad,"%s",ctime ((time_t *) &type_data.u.t_ext2_super_block.s_mtime)); |
| 48 | wmove (show_pad,12,40);wprintw (show_pad,"%s",ctime ((time_t *) &type_data.u.t_ext2_super_block.s_wtime)); |
| 49 | wmove (show_pad,19,40);wprintw (show_pad,"%s",ctime ((time_t *) &type_data.u.t_ext2_super_block.s_lastcheck)); |
| 50 | wmove (show_pad,15,40); |
| 51 | |
| 52 | switch (type_data.u.t_ext2_super_block.s_magic) { |
| 53 | case EXT2_SUPER_MAGIC: |
| 54 | wprintw (show_pad,"ext2 >= 0.2B"); |
| 55 | break; |
| 56 | case EXT2_PRE_02B_MAGIC: |
| 57 | wprintw (show_pad,"ext2 < 0.2B (not supported)"); |
| 58 | break; |
| 59 | default: |
| 60 | wprintw (show_pad,"Unknown"); |
| 61 | break; |
| 62 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 63 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 64 | wmove (show_pad,16,40); |
| 65 | if (type_data.u.t_ext2_super_block.s_state & 0x1) |
| 66 | wprintw (show_pad,"clean "); |
| 67 | else |
| 68 | wprintw (show_pad,"not clean "); |
| 69 | |
| 70 | if (type_data.u.t_ext2_super_block.s_state & 0x2) |
| 71 | wprintw (show_pad,"with errors "); |
| 72 | else |
| 73 | wprintw (show_pad,"with no errors"); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 74 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 75 | wmove (show_pad,17,40); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 76 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 77 | switch (type_data.u.t_ext2_super_block.s_errors) { |
| 78 | case EXT2_ERRORS_CONTINUE: |
| 79 | wprintw (show_pad,"Continue"); |
| 80 | break; |
| 81 | case EXT2_ERRORS_RO: |
| 82 | wprintw (show_pad,"Remount read only"); |
| 83 | break; |
| 84 | case EXT2_ERRORS_PANIC: |
| 85 | wprintw (show_pad,"Issue kernel panic"); |
| 86 | break; |
| 87 | default: |
| 88 | wprintw (show_pad,"Unknown"); |
| 89 | break; |
| 90 | } |
| 91 | |
| 92 | wmove (show_pad,21,40); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 93 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 94 | switch (type_data.u.t_ext2_super_block.s_creator_os) { |
| 95 | |
| 96 | case EXT2_OS_LINUX: |
| 97 | wprintw (show_pad,"Linux :-)"); |
| 98 | break; |
| 99 | |
| 100 | case EXT2_OS_HURD: |
| 101 | wprintw (show_pad,"Hurd"); |
| 102 | break; |
| 103 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 104 | default: |
| 105 | wprintw (show_pad,"Unknown"); |
| 106 | break; |
| 107 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 108 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 109 | refresh_show_pad (); |
| 110 | |
| 111 | wmove (show_win,1,0);wprintw (show_win,"\n");wmove (show_win,2,0); |
| 112 | wprintw (show_win,"Superblock copy %ld ",super_info.copy_num); |
| 113 | if (super_info.copy_num==0) |
| 114 | wprintw (show_win,"(main copy)"); |
| 115 | wprintw (show_win,"\n"); |
| 116 | refresh_show_win (); |
| 117 | } |
| 118 | |
| 119 | void type_ext2_super_block___gocopy (char *command_line) |
| 120 | |
| 121 | { |
| 122 | unsigned long copy_num,offset; |
| 123 | char *ptr,buffer [80]; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 124 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 125 | ptr=parse_word (command_line,buffer); |
| 126 | if (*ptr==0) { |
| 127 | wprintw (command_win,"Error - No argument specified\n");refresh_command_win ();return; |
| 128 | } |
| 129 | ptr=parse_word (ptr,buffer); |
| 130 | |
| 131 | copy_num=atol (buffer); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 132 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 133 | offset=file_system_info.super_block_offset+copy_num*file_system_info.no_blocks_in_group*file_system_info.block_size; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 134 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 135 | if (offset > file_system_info.file_system_size) { |
| 136 | wprintw (command_win,"Error - Copy number out of bounds\n");refresh_command_win ();return; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 137 | } |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 138 | |
| 139 | super_info.copy_num=copy_num; |
| 140 | device_offset=offset; |
| 141 | |
| 142 | sprintf (buffer,"setoffset %ld",device_offset);dispatch (buffer); |
| 143 | strcpy (buffer,"show");dispatch (buffer); |
| 144 | } |
| 145 | |
| 146 | void type_ext2_super_block___setactivecopy (char *command_line) |
| 147 | |
| 148 | { |
| 149 | struct ext2_super_block sb; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 150 | |
Theodore Ts'o | 583a1ce | 2002-05-11 13:00:22 -0400 | [diff] [blame] | 151 | sb=type_data.u.t_ext2_super_block; |
| 152 | dispatch ("gocopy 0"); |
| 153 | type_data.u.t_ext2_super_block=sb; |
| 154 | dispatch ("show"); |
| 155 | } |