Adding upstream version 1.47.0.upstream/1.47.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 435 insertions, 0 deletions

diff --git a/ext2ed/ext2ed.h b/ext2ed/ext2ed.h
new file mode 100644
index 0000000..0ac77b7
--- /dev/null
+++ b/ext2ed/ext2ed.h
@@ -0,0 +1,435 @@
+
+/*
+
+/usr/src/ext2ed/ext2ed.h
+
+A part of the extended file system 2 disk editor.
+
+--------------------------------------
+Include file for the ext2 disk editor.
+--------------------------------------
+
+This file contains declarations which are needed by all the files in ext2ed.
+
+First written on: April 9 1995
+
+Copyright (C) 1995 Gadi Oxman
+
+*/
+
+#ifndef EXT2ED_EDITOR_H
+#define EXT2ED_EDITOR_H
+
+/*
+
+-----------------------
+ User definable options
+-----------------------
+
+*/
+
+#define DEBUG						/* Activate self-sanity checks */
+
+#include <ext2fs/ext2_fs.h>				/* Main kernel ext2 include file */
+#include <sys/stat.h>
+
+#include <ncurses.h>
+
+#define MAX_FIELDS 		400
+
+#define MAX_COMMAND_LINE 	81
+#define MAX_COMMANDS_NUM	30			/* Maximum number of commands of one type */
+#define REMEMBER_COUNT		30			/* Object memory size */
+
+/*
+	The user screen consists of four parts:
+
+		1.	Title window (title_win).
+		2.	Show (status) window (show_win).
+		3.	Main show pad (show_pad).
+		4.	Command window (command_win).
+
+*/
+
+/*
+
+   The show pad is mapped to the space left between the other three windows.
+
+   If you wondered why ext2ed grabs so memory, the answer is probably below - I wanted to treat
+   the virtual display as infinite. Decrease the following for more realistic memory consumption.
+
+*/
+
+#define SHOW_PAD_LINES 3000
+#define SHOW_PAD_COLS (COLS > 140 ? COLS : 140)
+
+#define COMMAND_WIN_LINES 6				/* Change this to your preferences */
+#define TITLE_WIN_LINES 3
+#define SHOW_WIN_LINES 3
+
+#define HEX 1
+#define TEXT 2
+
+#ifndef EXT2_PRE_02B_MAGIC
+	#define EXT2_PRE_02B_MAGIC	0xEF51
+#endif
+
+
+typedef void (*PF) (char *);				/* Used to point to the dispatched functions */
+
+struct struct_commands {				/* Holds commands of an object */
+	int last_command;
+	char *names [MAX_COMMANDS_NUM];
+	char *descriptions [MAX_COMMANDS_NUM];
+	PF callback [MAX_COMMANDS_NUM];
+};
+
+struct struct_descriptor {				/* Describes an object */
+	unsigned long length;
+	unsigned char name [60];
+	unsigned short fields_num;
+	unsigned char field_names [MAX_FIELDS][80];
+	unsigned char field_types [MAX_FIELDS];
+	unsigned short field_lengths [MAX_FIELDS];
+	unsigned short field_positions [MAX_FIELDS];
+	struct struct_commands type_commands;
+	struct struct_descriptor *prev,*next;
+};
+
+#define FIELD_TYPE_INT	  1
+#define FIELD_TYPE_UINT   2
+#define FIELD_TYPE_CHAR   3
+
+struct struct_type_data {				/* The object's data is usually here */
+	long offset_in_block;
+
+	union union_type_data {				/* Format it in various ways */
+		char buffer [EXT2_MAX_BLOCK_SIZE];
+		struct ext2_acl_header t_ext2_acl_header;
+		struct ext2_acl_entry t_ext2_acl_entry;
+		struct ext2_group_desc t_ext2_group_desc;
+		struct ext2_inode t_ext2_inode;
+		struct ext2_super_block t_ext2_super_block;
+		struct ext2_dir_entry t_ext2_dir_entry;
+	} u;
+};
+
+struct struct_file_system_info {			/* Important information about the filesystem */
+	unsigned long long file_system_size;
+	unsigned long super_block_offset;
+	unsigned long first_group_desc_offset;
+	unsigned long groups_count;
+	unsigned long inodes_per_block;
+	unsigned long blocks_per_group;			/* The name is misleading; beware */
+	unsigned long no_blocks_in_group;
+	unsigned short block_size;
+	struct ext2_super_block super_block;
+};
+
+struct struct_file_info {				/* Used to handle files and directories */
+
+	struct ext2_inode *inode_ptr;
+
+	long inode_offset;
+	long global_block_num,global_block_offset;
+	long block_num,blocks_count;
+	long file_offset,file_length;
+	long level;
+	unsigned char buffer [EXT2_MAX_BLOCK_SIZE];
+	long offset_in_block;
+
+	int display;
+	/* The following is used if the file is a directory */
+
+	long dir_entry_num,dir_entries_count;
+	long dir_entry_offset;
+};
+
+struct struct_super_info {				/* Used to handle the superblock */
+	unsigned long copy_num;
+};
+
+struct struct_group_info {				/* Used to handle the group descriptors */
+	unsigned long copy_num;
+	unsigned long group_num;
+};
+
+struct struct_block_bitmap_info {			/* Used in blockbitmap_com.c */
+	unsigned long entry_num;
+	unsigned long group_num;
+};
+
+struct struct_inode_bitmap_info {			/* Used in inodebitmap_com.c */
+	unsigned long entry_num;
+	unsigned long group_num;
+};
+
+struct struct_remember_lifo {				/* Implements the objects circular memory */
+	long entries_count;
+
+	long offset [REMEMBER_COUNT];
+	struct struct_descriptor *type [REMEMBER_COUNT];
+	char name [REMEMBER_COUNT][80];
+};
+
+struct struct_pad_info {				/* Used to zoom into the pad window */
+	int display_lines,display_cols;
+	int line,col;
+	int max_line,max_col;
+	int disable_output;
+};
+
+/* Global variables (defined mostly in main.c) */
+
+/* Configurable variables (Through configuration file) */
+
+extern char AlternateDescriptors [200];
+extern char Ext2Descriptors [200];
+extern char LogFile [200];
+extern int LogChanges;
+extern int AllowChanges;
+extern int AllowMountedRead;
+extern int ForceExt2;
+extern int DefaultBlockSize;
+extern unsigned long DefaultTotalBlocks;
+extern unsigned long DefaultBlocksInGroup;
+extern int ForceDefault;
+
+extern char device_name [80];
+extern char last_command_line [80];
+extern FILE *device_handle;
+extern long device_offset;
+extern int  mounted;
+
+extern short block_size;
+extern struct struct_commands general_commands;
+extern struct struct_commands ext2_commands;
+extern struct struct_descriptor *first_type;
+extern struct struct_descriptor *last_type;
+extern struct struct_descriptor *current_type;
+extern struct struct_type_data type_data;
+extern struct struct_file_system_info file_system_info;
+extern struct struct_file_info file_info,first_file_info;
+extern struct struct_group_info group_info;
+extern struct struct_super_info super_info;
+extern struct struct_block_bitmap_info block_bitmap_info;
+extern struct struct_inode_bitmap_info inode_bitmap_info;
+extern struct struct_remember_lifo remember_lifo;
+extern struct struct_pad_info show_pad_info;
+extern int write_access;
+
+extern int redraw_request;
+extern char lines_s [80];
+extern char cols_s [80];
+
+
+/* init.c */
+
+extern int init (void);
+extern void prepare_to_close (void);
+extern int set_struct_descriptors (char *file_name);
+extern void free_struct_descriptors (void);
+extern struct struct_descriptor *add_new_descriptor (char *name);
+extern void add_new_variable (struct struct_descriptor *descriptor,char *v_type,char *v_name);
+extern void fill_type_commands (struct struct_descriptor *ptr);
+extern void add_user_command (struct struct_commands *ptr,char *name,char *description,PF callback);
+extern void free_user_commands (struct struct_commands *ptr);
+extern int set_file_system_info (void);
+extern int process_configuration_file (void);
+extern void add_general_commands (void);
+extern void add_ext2_general_commands (void);
+extern void check_mounted (char *name);
+
+int get_next_option (FILE *fp,char *option,char *value);
+void init_readline (void);
+void init_signals (void);
+void signal_SIGWINCH_handler (int sig_num);
+void signal_SIGTERM_handler (int sig_num);
+void signal_SIGSEGV_handler (int sig_num);
+
+/* general_com.c */
+
+/* General commands which are available always */
+
+extern void help (char *command_line);
+extern void set (char *command_line);
+extern void set_device (char *command_line);
+extern void set_offset (char *command_line);
+extern void set_type (char *command_line);
+extern void show (char *command_line);
+extern void pgup (char *command_line);
+extern void pgdn (char *command_line);
+extern void redraw (char *command_line);
+extern void remember (char *command_line);
+extern void recall (char *command_line);
+extern void cd (char *command_line);
+extern void enable_write (char *command_line);
+extern void disable_write (char *command_line);
+extern void write_data (char *command_line);
+extern void next (char *command_line);
+extern void prev (char *command_line);
+
+void hex_set (char *command_line);
+void detailed_help (char *text);
+
+
+/* ext2_com.c */
+
+/* Extended2 filesystem general commands - Available only when editing an
+   ext2 filesystem */
+
+extern void type_ext2___super (char *command_line);
+extern void type_ext2___group (char *command_line);
+extern void type_ext2___cd (char *command_line);
+
+
+/* main.c */
+
+extern int version_major,version_minor;
+extern char revision_date [80];
+extern char email_address [80];
+
+#ifdef DEBUG
+extern void internal_error (char *description,char *source_name,char *function_name);
+#endif
+
+void parser (void);
+extern int dispatch (char *command_line);
+char *parse_word (char *source,char *dest);
+char *complete_command (char *text,int state);
+char *dupstr (char *src);
+
+
+
+/* disk.c */
+
+extern int load_type_data (void);
+extern int write_type_data (void);
+extern int low_read (unsigned char *buffer,unsigned long length,unsigned long offset);
+extern int low_write (unsigned char *buffer,unsigned long length,unsigned long offset);
+extern int log_changes (unsigned char *buffer,unsigned long length,unsigned long offset);
+
+/* file_com.c */
+
+extern int init_file_info (void);
+extern void type_file___show (char *command_line);
+extern void type_file___inode (char *command_line);
+extern void type_file___display (char *command_line);
+extern void type_file___prev (char *command_line);
+extern void type_file___next (char *command_line);
+extern void type_file___offset (char *command_line);
+extern void type_file___prevblock (char *command_line);
+extern void type_file___nextblock (char *command_line);
+extern void type_file___block (char *command_line);
+extern void type_file___remember (char *command_line);
+extern void type_file___set (char *command_line);
+extern void type_file___writedata (char *command_line);
+
+extern long file_block_to_global_block (long file_block,struct struct_file_info *file_info_ptr);
+extern long return_indirect (long table_block,long block_num);
+extern long return_dindirect (long table_block,long block_num);
+extern long return_tindirect (long table_block,long block_num);
+
+void file_show_hex (void);
+void file_show_text (void);
+void show_status (void);
+
+/* inode_com.c */
+
+extern void type_ext2_inode___next (char *command_line);
+extern void type_ext2_inode___prev (char *command_line);
+extern void type_ext2_inode___show (char *command_line);
+extern void type_ext2_inode___group (char *command_line);
+extern void type_ext2_inode___entry (char *command_line);
+extern void type_ext2_inode___file (char *command_line);
+extern void type_ext2_inode___dir (char *command_line);
+
+extern long inode_offset_to_group_num (long inode_offset);
+extern long int inode_offset_to_inode_num (long inode_offset);
+extern long int inode_num_to_inode_offset (long inode_num);
+
+/* dir_com.c */
+
+extern int init_dir_info (struct struct_file_info *info);
+extern void type_dir___show (char *command_line);
+extern void type_dir___inode (char *command_line);
+extern void type_dir___pgdn (char *command_line);
+extern void type_dir___pgup (char *command_line);
+extern void type_dir___prev (char *command_line);
+extern void type_dir___next (char *command_line);
+extern void type_dir___followinode (char *command_line);
+extern void type_dir___remember (char *command_line);
+extern void type_dir___cd (char *command_line);
+extern void type_dir___entry (char *command_line);
+extern void type_dir___writedata (char *command_line);
+extern void type_dir___set (char *command_line);
+
+#define HEX 1
+#define TEXT 2
+
+#define ABORT		0
+#define CONTINUE	1
+#define FOUND		2
+
+struct struct_file_info search_dir_entries (int (*action) (struct struct_file_info *info),int *status);
+int action_count (struct struct_file_info *info);
+void show_dir_status (void);
+long count_dir_entries (void);
+int action_name (struct struct_file_info *info);
+int action_entry_num (struct struct_file_info *info);
+int action_show (struct struct_file_info *info);
+
+/* super_com.c */
+
+extern void type_ext2_super_block___show (char *command_line);
+extern void type_ext2_super_block___gocopy (char *command_line);
+extern void type_ext2_super_block___setactivecopy (char *command_line);
+
+/* group_com.c */
+
+extern void type_ext2_group_desc___next (char *command_line);
+extern void type_ext2_group_desc___prev (char *command_line);
+extern void type_ext2_group_desc___entry (char *command_line);
+extern void type_ext2_group_desc___show (char *command_line);
+extern void type_ext2_group_desc___inode (char *command_line);
+extern void type_ext2_group_desc___gocopy (char *command_line);
+extern void type_ext2_group_desc___blockbitmap (char *command_line);
+extern void type_ext2_group_desc___inodebitmap (char *command_line);
+extern void type_ext2_group_desc___setactivecopy (char *command_line);
+
+/* blockbitmap_com.c */
+
+extern void type_ext2_block_bitmap___show (char *command_line);
+extern void type_ext2_block_bitmap___entry (char *command_line);
+extern void type_ext2_block_bitmap___next (char *command_line);
+extern void type_ext2_block_bitmap___prev (char *command_line);
+extern void type_ext2_block_bitmap___allocate (char *command_line);
+extern void type_ext2_block_bitmap___deallocate (char *command_line);
+void allocate_block (long entry_num);
+void deallocate_block (long entry_num);
+
+/* inodebitmap_bom.c */
+
+extern void type_ext2_inode_bitmap___show (char *command_line);
+extern void type_ext2_inode_bitmap___entry (char *command_line);
+extern void type_ext2_inode_bitmap___next (char *command_line);
+extern void type_ext2_inode_bitmap___prev (char *command_line);
+extern void type_ext2_inode_bitmap___allocate (char *command_line);
+extern void type_ext2_inode_bitmap___deallocate (char *command_line);
+void allocate_inode (long entry_num);
+void deallocate_inode (long entry_num);
+
+/* win.c */
+
+extern WINDOW *title_win,*show_win,*command_win,*show_pad;
+
+extern void init_windows (void);
+extern void refresh_title_win (void);
+extern void refresh_show_win (void);
+extern void refresh_show_pad (void);
+extern void refresh_command_win (void);
+extern void show_info (void);
+extern void redraw_all (void);
+extern void close_windows (void);
+
+#endif /* EXT2ED_EDITOR_H */