From 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:49:25 +0200 Subject: Adding upstream version 1.47.0. Signed-off-by: Daniel Baumann --- ext2ed/group_com.c | 183 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 ext2ed/group_com.c (limited to 'ext2ed/group_com.c') diff --git a/ext2ed/group_com.c b/ext2ed/group_com.c new file mode 100644 index 0000000..aaed16e --- /dev/null +++ b/ext2ed/group_com.c @@ -0,0 +1,183 @@ +/* + +/usr/src/ext2ed/group_com.c + +A part of the extended file system 2 disk editor. + +General user commands + +First written on: April 17 1995 + +Copyright (C) 1995 Gadi Oxman + +*/ + +#include "config.h" +#include +#include +#include + +#include "ext2ed.h" + +void type_ext2_group_desc___next (char *command_line) + +{ + long entry_offset=1; + char *ptr,buffer [80]; + + ptr=parse_word (command_line,buffer); + if (*ptr!=0) { + ptr=parse_word (ptr,buffer); + entry_offset=atol (buffer); + } + + sprintf (buffer,"entry %ld",group_info.group_num+entry_offset); + dispatch (buffer); +} + +void type_ext2_group_desc___prev (char *command_line) + +{ + long entry_offset=1; + char *ptr,buffer [80]; + + ptr=parse_word (command_line,buffer); + if (*ptr!=0) { + ptr=parse_word (ptr,buffer); + entry_offset=atol (buffer); + } + + sprintf (buffer,"entry %ld",group_info.group_num-entry_offset); + dispatch (buffer); +} + +void type_ext2_group_desc___entry (char *command_line) + +{ + long group_num; + 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); + + group_num=atol (buffer); + + if (group_num < 0 || group_num >= file_system_info.groups_count) { + wprintw (command_win,"Error - Entry number out of bounds\n");refresh_command_win ();return; + } + + device_offset=file_system_info.first_group_desc_offset+group_num*sizeof (struct ext2_group_desc); + + sprintf (buffer,"setoffset %ld",device_offset);dispatch (buffer); + strcpy (buffer,"show");dispatch (buffer); + group_info.group_num=group_num; +} + + +void type_ext2_group_desc___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.first_group_desc_offset+copy_num*file_system_info.super_block.s_blocks_per_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; + } + + group_info.copy_num=copy_num; + device_offset=offset+group_info.group_num*sizeof (struct ext2_group_desc); + + sprintf (buffer,"setoffset %ld",device_offset);dispatch (buffer); + strcpy (buffer,"show");dispatch (buffer); +} + + +void type_ext2_group_desc___show (char *command_line) + +{ + long group_num,temp; + + temp=(device_offset-file_system_info.first_group_desc_offset) % (file_system_info.super_block.s_blocks_per_group*file_system_info.block_size); + group_num=temp/sizeof (struct ext2_group_desc); + + show (command_line); + + wmove (show_win,1,0);wprintw (show_win,"\n");wmove (show_win,2,0); + wprintw (show_win,"Group %ld of %ld ",group_num,file_system_info.groups_count-1); + wprintw (show_win,"in copy %ld ",group_info.copy_num); + if (group_info.copy_num==0) wprintw (show_win,"(Main copy)"); + wprintw (show_win,"\n");refresh_show_win (); + + if (group_num==0) { + wprintw (command_win,"Reached first group descriptor\n"); + wrefresh (command_win); + } + + if (group_num==file_system_info.groups_count-1) { + wprintw (command_win,"Reached last group descriptor\n"); + wrefresh (command_win); + } +} + +void type_ext2_group_desc___inode (char *command_line) + +{ + long inode_offset; + char buffer [80]; + + inode_offset=type_data.u.t_ext2_group_desc.bg_inode_table; + sprintf (buffer,"setoffset block %ld",inode_offset);dispatch (buffer); + sprintf (buffer,"settype ext2_inode");dispatch (buffer); +} + +void type_ext2_group_desc___blockbitmap (char *command_line) + +{ + long block_bitmap_offset; + char buffer [80]; + + block_bitmap_info.entry_num=0; + block_bitmap_info.group_num=group_info.group_num; + + block_bitmap_offset=type_data.u.t_ext2_group_desc.bg_block_bitmap; + sprintf (buffer,"setoffset block %ld",block_bitmap_offset);dispatch (buffer); + sprintf (buffer,"settype block_bitmap");dispatch (buffer); +} + +void type_ext2_group_desc___inodebitmap (char *command_line) + +{ + long inode_bitmap_offset; + char buffer [80]; + + inode_bitmap_info.entry_num=0; + inode_bitmap_info.group_num=group_info.group_num; + + inode_bitmap_offset=type_data.u.t_ext2_group_desc.bg_inode_bitmap; + sprintf (buffer,"setoffset block %ld",inode_bitmap_offset);dispatch (buffer); + sprintf (buffer,"settype inode_bitmap");dispatch (buffer); +} + +void type_ext2_group_desc___setactivecopy (char *command_line) + +{ + struct ext2_group_desc gd; + + gd=type_data.u.t_ext2_group_desc; + dispatch ("gocopy 0"); + type_data.u.t_ext2_group_desc=gd; + dispatch ("show"); +} -- cgit v1.2.3