Merge change 9990
[android/platform/external/e2fsprogs.git] / ext2ed / super_com.c
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;
29         
30         show (command_line);
31
32         if (super->s_blocks_count != 0) {
33                 wmove (show_pad,2,40);wprintw (show_pad,"%2.2f%%",100*(float) super->s_r_blocks_count/ (float) super->s_blocks_count);
34                 wmove (show_pad,3,40);wprintw (show_pad,"%2.2f%%",100*(float) super->s_free_blocks_count/ (float) super->s_blocks_count);
35         }
36         
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         }
63         
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");
74         
75         wmove (show_pad,17,40);
76         
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);
93         
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
104                 case EXT2_OS_MASIX:
105                         wprintw (show_pad,"Masix");
106                         break;
107
108                 default:
109                         wprintw (show_pad,"Unknown");
110                         break;
111         }
112         
113         refresh_show_pad ();
114
115         wmove (show_win,1,0);wprintw (show_win,"\n");wmove (show_win,2,0);
116         wprintw (show_win,"Superblock copy %ld ",super_info.copy_num);
117         if (super_info.copy_num==0)
118                 wprintw (show_win,"(main copy)");
119         wprintw (show_win,"\n");
120         refresh_show_win ();
121 }
122
123 void type_ext2_super_block___gocopy (char *command_line)
124
125 {
126         unsigned long copy_num,offset;
127         char *ptr,buffer [80];
128         
129         ptr=parse_word (command_line,buffer);
130         if (*ptr==0) {
131                 wprintw (command_win,"Error - No argument specified\n");refresh_command_win ();return;
132         }
133         ptr=parse_word (ptr,buffer);
134
135         copy_num=atol (buffer);
136         
137         offset=file_system_info.super_block_offset+copy_num*file_system_info.no_blocks_in_group*file_system_info.block_size;
138         
139         if (offset > file_system_info.file_system_size) {
140                 wprintw (command_win,"Error - Copy number out of bounds\n");refresh_command_win ();return;
141         }       
142
143         super_info.copy_num=copy_num;
144         device_offset=offset;
145
146         sprintf (buffer,"setoffset %ld",device_offset);dispatch (buffer);
147         strcpy (buffer,"show");dispatch (buffer);
148 }
149
150 void type_ext2_super_block___setactivecopy (char *command_line)
151
152 {
153         struct ext2_super_block sb;
154         
155         sb=type_data.u.t_ext2_super_block;
156         dispatch ("gocopy 0");
157         type_data.u.t_ext2_super_block=sb;
158         dispatch ("show");
159 }