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-rw-r--r--ext2ed/general_com.c907
1 files changed, 907 insertions, 0 deletions
diff --git a/ext2ed/general_com.c b/ext2ed/general_com.c
new file mode 100644
index 0000000..aa274e3
--- /dev/null
+++ b/ext2ed/general_com.c
@@ -0,0 +1,907 @@
+/*
+
+/usr/src/ext2ed/general_com.c
+
+A part of the extended file system 2 disk editor.
+
+---------------------
+General user commands
+---------------------
+
+First written on: April 9 1995
+
+Copyright (C) 1995 Gadi Oxman
+
+*/
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ext2ed.h"
+#include "../version.h"
+
+void help (char *command_line)
+
+{
+ int i,max_line=0;
+ char argument [80],*ptr;
+
+ werase (show_pad);wmove (show_pad,0,0);
+
+ ptr=parse_word (command_line,argument);
+
+ if (*ptr!=0) {
+ ptr=parse_word (ptr,argument);
+ if (*argument!=0) {
+ detailed_help (argument);
+ return;
+ }
+ }
+
+ if (current_type!=NULL) {
+
+ wprintw (show_pad,"Type %s specific commands:\n",current_type->name);max_line++;
+
+ if (current_type->type_commands.last_command==-1) {
+ wprintw (show_pad,"\nnone\n");max_line+=2;
+ }
+ else
+ for (i=0;i<=current_type->type_commands.last_command;i++) {
+ if (i%5==0) {
+ wprintw (show_pad,"\n");max_line++;
+ }
+ wprintw (show_pad,"%-13s",current_type->type_commands.names [i]);
+ if (i%5!=4)
+ wprintw (show_pad,"; ");
+ }
+
+ wprintw (show_pad,"\n\n");max_line+=2;
+ }
+
+ if (ext2_commands.last_command != -1) {
+ wprintw (show_pad,"ext2 filesystem general commands: \n");max_line++;
+ for (i=0;i<=ext2_commands.last_command;i++) {
+ if (i%5==0) {
+ wprintw (show_pad,"\n");max_line++;
+ }
+ wprintw (show_pad,"%-13s",ext2_commands.names [i]);
+ if (i%5!=4)
+ wprintw (show_pad,"; ");
+
+ }
+ wprintw (show_pad,"\n\n");max_line+=2;
+ }
+
+ wprintw (show_pad,"General commands: \n");
+
+ for (i=0;i<=general_commands.last_command;i++) {
+ if (i%5==0) {
+ wprintw (show_pad,"\n");max_line++;
+ }
+ wprintw (show_pad,"%-13s",general_commands.names [i]);
+ if (i%5!=4)
+ wprintw (show_pad,"; ");
+ }
+
+ wprintw (show_pad,"\n\n");max_line+=2;
+
+ wprintw (show_pad,"EXT2ED ver %s (%s)\n",E2FSPROGS_VERSION, E2FSPROGS_DATE);
+ wprintw (show_pad,"Copyright (C) 1995 Gadi Oxman\n");
+ wprintw (show_pad,"Reviewed 2001 Christian Bac\n");
+ wprintw (show_pad,"Modified and enhanced by Theodore Ts'o, 2002\n");
+ wprintw (show_pad,"EXT2ED is hereby placed under the terms of the GNU General Public License.\n\n");
+ wprintw (show_pad,"EXT2ED was programmed as a student project in the software laboratory\n");
+ wprintw (show_pad,"of the faculty of electrical engineering in the\n");
+ wprintw (show_pad,"Technion - Israel Institute of Technology\n");
+ wprintw (show_pad,"with the guide of Avner Lottem and Dr. Ilana David.\n");
+
+ max_line+=10;
+
+ show_pad_info.line=0;show_pad_info.max_line=max_line;
+
+ werase (show_win);wmove (show_win,0,0);
+ wprintw (show_win,"EXT2ED help");
+
+ refresh_show_win ();
+ refresh_show_pad ();
+}
+
+void detailed_help (char *text)
+
+{
+ int i;
+
+ if (current_type != NULL)
+ for (i=0;i<=current_type->type_commands.last_command;i++) {
+ if (strcmp (current_type->type_commands.names [i],text)==0) {
+ wprintw (show_pad,"%s - %s\n",text,current_type->type_commands.descriptions [i]);
+ refresh_show_pad ();return;
+ }
+ }
+
+ for (i=0;i<=ext2_commands.last_command;i++) {
+ if (strcmp (ext2_commands.names [i],text)==0) {
+ wprintw (show_pad,"%s - %s\n",text,ext2_commands.descriptions [i]);
+ refresh_show_pad ();return;
+ }
+ }
+
+ for (i=0;i<=general_commands.last_command;i++) {
+ if (strcmp (general_commands.names [i],text)==0) {
+ wprintw (show_pad,"%s - %s\n",text,general_commands.descriptions [i]);
+ refresh_show_pad ();return;
+ }
+ }
+
+ if (strcmp ("quit",text)==0) {
+ wprintw (show_pad,"quit - Exists EXT2ED");
+ refresh_show_pad ();return;
+ }
+
+ wprintw (show_pad,"Error - Command %s not available now\n",text);
+ refresh_show_pad ();return;
+}
+
+
+
+void set_device (char *command_line)
+
+{
+ char *ptr,new_device [80];
+
+ ptr=parse_word (command_line,new_device);
+ if (*ptr==0) {
+ wprintw (command_win,"Error - Device name not specified\n");
+ refresh_command_win ();return;
+ }
+ parse_word (ptr,new_device);
+ check_mounted (new_device);
+ if (mounted && !AllowMountedRead) {
+ wprintw (command_win,"Error - Filesystem is mounted, aborting\n");
+ wprintw (command_win,"You may wish to use the AllowMountedRead on configuration option\n");
+ refresh_command_win ();return;
+ }
+
+ if (mounted && AllowMountedRead) {
+ wprintw (command_win,"Warning - Filesystem is mounted. Displayed data may be unreliable.\n");
+ refresh_command_win ();
+ }
+
+ if (device_handle!=NULL)
+ fclose (device_handle);
+
+ if ( (device_handle=fopen (new_device,"rb"))==NULL) {
+ wprintw (command_win,"Error - Can not open device %s\n",new_device);refresh_command_win ();
+ return;
+ }
+ else {
+ strcpy (device_name,new_device);
+ write_access=0; /* Write access disabled */
+ current_type=NULL; /* There is no type now */
+ remember_lifo.entries_count=0; /* Empty Object memory */
+ free_user_commands (&ext2_commands); /* Free filesystem specific objects */
+ free_struct_descriptors ();
+ if (!set_file_system_info ()) { /* Error while getting info --> abort */
+ free_user_commands (&ext2_commands);
+ free_struct_descriptors ();
+ fclose (device_handle);
+ device_handle=NULL; /* Notice that our device is still not set up */
+ device_offset=-1;
+ return;
+ }
+ if (*AlternateDescriptors) /* Check if user defined objects exist */
+ set_struct_descriptors (AlternateDescriptors);
+ dispatch ("setoffset 0");
+ dispatch ("help"); /* Show help screen */
+ wprintw (command_win,"Device changed to %s",device_name);refresh_command_win ();
+ }
+}
+
+void set_offset (char *command_line)
+
+{
+ long mult=1;
+ long new_offset;
+ char *ptr,new_offset_buffer [80];
+
+ if (device_handle==NULL) {
+ wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
+ return;
+ }
+
+ ptr=parse_word (command_line,new_offset_buffer);
+
+ if (*ptr==0) {
+ wprintw (command_win,"Error - No argument specified\n");refresh_command_win ();
+ return;
+ }
+
+ ptr=parse_word (ptr,new_offset_buffer);
+
+ if (strcmp (new_offset_buffer,"block")==0) {
+ mult=file_system_info.block_size;
+ ptr=parse_word (ptr,new_offset_buffer);
+ }
+
+ if (strcmp (new_offset_buffer,"type")==0) {
+ if (current_type==NULL) {
+ wprintw (command_win,"Error - No type set\n");refresh_command_win ();
+ return;
+ }
+
+ mult=current_type->length;
+ ptr=parse_word (ptr,new_offset_buffer);
+ }
+
+ if (*new_offset_buffer==0) {
+ wprintw (command_win,"Error - No offset specified\n");refresh_command_win ();
+ return;
+ }
+
+ if (new_offset_buffer [0]=='+') {
+ if (device_offset==-1) {
+ wprintw (command_win,"Error - Select a fixed offset first\n");refresh_command_win ();
+ return;
+ }
+ new_offset=device_offset+atol (new_offset_buffer+1)*mult;
+ }
+
+ else if (new_offset_buffer [0]=='-') {
+ if (device_offset==-1) {
+ wprintw (command_win,"Error - Select a fixed offset first\n");refresh_command_win ();
+ return;
+ }
+ new_offset=device_offset-atol (new_offset_buffer+1)*mult;
+ if (new_offset<0) new_offset=0;
+ }
+
+ else
+ new_offset=atol (new_offset_buffer)*mult;
+
+ if ( (fseek (device_handle,new_offset,SEEK_SET))==-1) {
+ wprintw (command_win,"Error - Failed to seek to offset %ld in device %s\n",new_offset,device_name);
+ refresh_command_win ();
+ return;
+ };
+ device_offset=new_offset;
+ wprintw (command_win,"Device offset changed to %ld\n",device_offset);refresh_command_win ();
+ load_type_data ();
+ type_data.offset_in_block=0;
+}
+
+void set_int(short len, void *ptr, char *name, char *value)
+{
+ char *char_ptr;
+ short *short_ptr;
+ long *long_ptr;
+ long v;
+ char *tmp;
+
+ v = strtol(value, &tmp, 0);
+ if (*tmp) {
+ wprintw( command_win, "Bad value - %s\n", value);
+ return;
+ }
+ switch (len) {
+ case 1:
+ char_ptr = (char *) ptr;
+ *char_ptr = v;
+ break;
+ case 2:
+ short_ptr = (short *) ptr;
+ *short_ptr = v;
+ break;
+ case 4:
+ long_ptr = (long *) ptr;
+ *long_ptr = v;
+ break;
+ default:
+ wprintw (command_win,
+ "set_int: unsupported length: %d\n", len);
+ return;
+ }
+ wprintw (command_win, "Variable %s set to %s\n",
+ name, value);
+}
+
+void set_uint(short len, void *ptr, char *name, char *value)
+{
+ unsigned char *char_ptr;
+ unsigned short *short_ptr;
+ unsigned long *long_ptr;
+ unsigned long v;
+ char *tmp;
+
+ v = strtoul(value, &tmp, 0);
+ if (*tmp) {
+ wprintw( command_win, "Bad value - %s\n", value);
+ return;
+ }
+ switch (len) {
+ case 1:
+ char_ptr = (unsigned char *) ptr;
+ *char_ptr = v;
+ break;
+ case 2:
+ short_ptr = (unsigned short *) ptr;
+ *short_ptr = v;
+ break;
+ case 4:
+ long_ptr = (unsigned long *) ptr;
+ *long_ptr = v;
+ break;
+ default:
+ wprintw (command_win,
+ "set_uint: unsupported length: %d\n", len);
+ return;
+ }
+ wprintw (command_win, "Variable %s set to %s\n",
+ name, value);
+}
+
+void set_char(short len, void *ptr, char *name, char *value)
+{
+ if (strlen(value)+1 > len) {
+ wprintw( command_win, "Value %s too big for field\n",
+ name, len);
+ return;
+ }
+ memset(ptr, 0, len);
+ strcpy((char *) ptr, value);
+ wprintw (command_win, "Variable %s set to %s\n",
+ name, value);
+}
+
+
+void set (char *command_line)
+
+{
+ unsigned short *int_ptr;
+ unsigned char *char_ptr;
+ unsigned long *long_ptr,offset=0;
+ int i,len, found=0;
+ char *ptr,buffer [80],variable [80],value [80];
+
+ if (device_handle==NULL) {
+ wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
+ return;
+ }
+
+ if (current_type==NULL) {
+ hex_set (command_line);
+ return;
+ }
+
+ ptr=parse_word (command_line,buffer);
+ if (ptr==NULL || *ptr==0) {
+ wprintw (command_win,"Error - Missing arguments\n");refresh_command_win ();
+ return;
+ }
+ parse_word (ptr,buffer);
+ ptr=strchr (buffer,'=');
+ if (ptr==NULL) {
+ wprintw (command_win,"Error - Bad syntax\n");refresh_command_win ();return;
+ }
+ strncpy (variable,buffer,ptr-buffer);variable [ptr-buffer]=0;
+ strcpy (value,++ptr);
+
+ if (current_type==NULL) {
+ wprintw (command_win,"Sorry, not yet supported\n");refresh_command_win ();return;
+ }
+
+ for (i=0;i<current_type->fields_num && !found;i++) {
+ if (strcmp (current_type->field_names [i],variable)==0) {
+ found=1;
+ ptr=type_data.u.buffer+offset;
+ len = current_type->field_lengths [i];
+ switch (current_type->field_types [i]) {
+ case FIELD_TYPE_INT:
+ set_int(len, ptr, variable, value);
+ break;
+ case FIELD_TYPE_UINT:
+ set_uint(len, ptr, variable, value);
+ break;
+ case FIELD_TYPE_CHAR:
+ set_char(len, ptr, variable, value);
+ break;
+ default:
+ wprintw (command_win,
+ "set: unhandled type %d\n",
+ current_type->field_types [i]);
+ break;
+ }
+ refresh_command_win ();
+ }
+ offset+=current_type->field_lengths [i];
+ }
+ if (found)
+ dispatch ("show");
+ else {
+ wprintw (command_win,"Error - Variable %s not found\n",variable);
+ refresh_command_win ();
+ }
+}
+
+void hex_set (char *command_line)
+
+{
+ unsigned char tmp;
+ char *ptr,buffer [80],*ch_ptr;
+ int mode=HEX;
+
+ ptr=parse_word (command_line,buffer);
+ if (*ptr==0) {
+ wprintw (command_win,"Error - Argument not specified\n");refresh_command_win ();return;
+ }
+
+ ptr=parse_word (ptr,buffer);
+
+ if (strcasecmp (buffer,"text")==0) {
+ mode=TEXT;
+ strcpy (buffer,ptr);
+ }
+
+ else if (strcasecmp (buffer,"hex")==0) {
+ mode=HEX;
+ ptr=parse_word (ptr,buffer);
+ }
+
+ if (*buffer==0) {
+ wprintw (command_win,"Error - Data not specified\n");refresh_command_win ();return;
+ }
+
+ if (mode==HEX) {
+ do {
+ tmp=(unsigned char) strtol (buffer,NULL,16);
+ type_data.u.buffer [type_data.offset_in_block]=tmp;
+ type_data.offset_in_block++;
+ ptr=parse_word (ptr,buffer);
+ if (type_data.offset_in_block==file_system_info.block_size) {
+ if (*ptr) {
+ wprintw (command_win,"Error - Ending offset outside block, only partial string changed\n");
+ refresh_command_win ();
+ }
+ type_data.offset_in_block--;
+ }
+ } while (*buffer) ;
+ }
+
+ else {
+ ch_ptr=buffer;
+ while (*ch_ptr) {
+ tmp=(unsigned char) *ch_ptr++;
+ type_data.u.buffer [type_data.offset_in_block]=tmp;
+ type_data.offset_in_block++;
+ if (type_data.offset_in_block==file_system_info.block_size) {
+ if (*ch_ptr) {
+ wprintw (command_win,"Error - Ending offset outside block, only partial string changed\n");
+ refresh_command_win ();
+ }
+ type_data.offset_in_block--;
+ }
+ }
+ }
+
+ strcpy (buffer,"show");dispatch (buffer);
+}
+
+
+
+void set_type (char *command_line)
+
+{
+ struct struct_descriptor *descriptor_ptr;
+ char *ptr,buffer [80],tmp_buffer [80];
+ short found=0;
+
+ if (!load_type_data ())
+ return;
+
+ ptr=parse_word (command_line,buffer);
+ parse_word (ptr,buffer);
+
+ if (strcmp (buffer,"none")==0 || strcmp (buffer,"hex")==0) {
+ wprintw (command_win,"Data will be shown as hex dump\n");refresh_command_win ();
+ current_type=NULL;
+ sprintf (tmp_buffer,"show");dispatch (tmp_buffer);
+ return;
+ }
+
+ descriptor_ptr=first_type;
+ while (descriptor_ptr!=NULL && !found) {
+ if (strcmp (descriptor_ptr->name,buffer)==0)
+ found=1;
+ else
+ descriptor_ptr=descriptor_ptr->next;
+ }
+ if (found) {
+ wprintw (command_win,"Structure type set to %s\n",buffer);refresh_command_win ();
+ current_type=descriptor_ptr;
+ sprintf (tmp_buffer,"show");dispatch (tmp_buffer);
+ }
+ else {
+ wprintw (command_win,"Error - %s is not a valid type\n",buffer);refresh_command_win ();
+ }
+}
+
+void show_int(short len, void *ptr)
+{
+ long temp;
+ char *format;
+
+ switch (len) {
+ case 1:
+ temp = *((char *) ptr);
+ format = "%3d (0x%02x)\n";
+ break;
+ case 2:
+ temp = *((short *) ptr);
+ format = "%d (0x%x)\n";
+ break;
+ case 4:
+ temp = *((long *) ptr);
+ format = "%d\n";
+ break;
+ default:
+ wprintw (show_pad, "unimplemented\n");
+ return;
+ }
+ wprintw(show_pad, format, temp, temp);
+}
+
+void show_uint(short len, void *ptr)
+{
+ unsigned long temp;
+ char *format;
+
+ switch (len) {
+ case 1:
+ temp = *((unsigned char *) ptr);
+ temp = temp & 0xFF;
+ format = "%3u (0x%02x)\n";
+ break;
+ case 2:
+ temp = *((unsigned short *) ptr);
+ temp = temp & 0xFFFF;
+ format = "%u (0x%x)\n";
+ break;
+ case 4:
+ temp = (unsigned long) *((unsigned long *) ptr);
+ format = "%u\n";
+ break;
+ default:
+ wprintw (show_pad, "unimplemented\n");
+ return;
+ }
+ wprintw(show_pad, format, temp, temp);
+}
+
+void show_char(short len, void *ptr)
+{
+ unsigned char *cp = (unsigned char *) ptr;
+ unsigned char ch;
+ int i,j;
+
+ wprintw(show_pad, "\"");
+
+ for (i=0; i < len; i++) {
+ ch = *cp++;
+ if (ch == 0) {
+ for (j=i+1; j < len; j++)
+ if (cp[j-i])
+ break;
+ if (j == len)
+ break;
+ }
+ if (ch > 128) {
+ wprintw(show_pad, "M-");
+ ch -= 128;
+ }
+ if ((ch < 32) || (ch == 0x7f)) {
+ wprintw(show_pad, "^");
+ ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
+ }
+ wprintw(show_pad, "%c", ch);
+ }
+
+ wprintw(show_pad, "\"\n");
+}
+
+
+
+void show (char *command_line)
+
+{
+ unsigned int i,l,len,temp_int;
+ unsigned long offset=0,temp_long;
+ unsigned char temp_char,*ch_ptr;
+ void *ptr;
+
+ if (device_handle==NULL)
+ return;
+
+ show_pad_info.line=0;
+
+ if (current_type==NULL) {
+ wmove (show_pad,0,0);
+ ch_ptr=type_data.u.buffer;
+ for (l=0;l<file_system_info.block_size/16;l++) {
+ wprintw (show_pad,"%08ld : ",offset);
+ for (i=0;i<16;i++) {
+ if (type_data.offset_in_block==offset+i)
+ wattrset (show_pad,A_REVERSE);
+
+ if (ch_ptr [i]>=' ' && ch_ptr [i]<='z')
+ wprintw (show_pad,"%c",ch_ptr [i]);
+ else
+ wprintw (show_pad,".");
+ if (type_data.offset_in_block==offset+i)
+ wattrset (show_pad,A_NORMAL);
+ }
+ wprintw (show_pad," ");
+ for (i=0;i<16;i++) {
+ if (type_data.offset_in_block==offset+i)
+ wattrset (show_pad,A_REVERSE);
+
+ wprintw (show_pad,"%02x",ch_ptr [i]);
+
+ if (type_data.offset_in_block==offset+i) {
+ wattrset (show_pad,A_NORMAL);
+ show_pad_info.line=l-l % show_pad_info.display_lines;
+ }
+
+ wprintw (show_pad," ");
+ }
+ wprintw (show_pad,"\n");
+ offset+=16;
+ ch_ptr+=16;
+ }
+ show_pad_info.max_line=l-1;show_pad_info.max_col=COLS-1;
+ refresh_show_pad ();show_info ();
+ }
+ else {
+ wmove (show_pad,0,0);l=0;
+ for (i=0;i<current_type->fields_num;i++) {
+ wprintw (show_pad,"%-20s = ",current_type->field_names [i]);
+ ptr=type_data.u.buffer+offset;
+ len = current_type->field_lengths[i];
+ switch (current_type->field_types[i]) {
+ case FIELD_TYPE_INT:
+ show_int(len, ptr);
+ break;
+ case FIELD_TYPE_UINT:
+ show_uint(len, ptr);
+ break;
+ case FIELD_TYPE_CHAR:
+ show_char(len, ptr);
+ break;
+ default:
+ wprintw (show_pad, "unimplemented\n");
+ break;
+ }
+ offset+=len;
+ l++;
+ }
+ current_type->length=offset;
+ show_pad_info.max_line=l-1;
+ refresh_show_pad ();show_info ();
+ }
+}
+
+void next (char *command_line)
+
+{
+ long offset=1;
+ char *ptr,buffer [80];
+
+ ptr=parse_word (command_line,buffer);
+
+ if (*ptr!=0) {
+ ptr=parse_word (ptr,buffer);
+ offset*=atol (buffer);
+ }
+
+ if (current_type!=NULL) {
+ sprintf (buffer,"setoffset type +%ld",offset);
+ dispatch (buffer);
+ return;
+ }
+
+ if (type_data.offset_in_block+offset < file_system_info.block_size) {
+ type_data.offset_in_block+=offset;
+ sprintf (buffer,"show");dispatch (buffer);
+ }
+
+ else {
+ wprintw (command_win,"Error - Offset out of block\n");refresh_command_win ();
+ }
+}
+
+void prev (char *command_line)
+
+{
+ long offset=1;
+ char *ptr,buffer [80];
+
+ ptr=parse_word (command_line,buffer);
+
+ if (*ptr!=0) {
+ ptr=parse_word (ptr,buffer);
+ offset*=atol (buffer);
+ }
+
+ if (current_type!=NULL) {
+ sprintf (buffer,"setoffset type -%ld",offset);
+ dispatch (buffer);
+ return;
+ }
+
+ if (type_data.offset_in_block-offset >= 0) {
+ type_data.offset_in_block-=offset;
+ sprintf (buffer,"show");dispatch (buffer);
+ }
+
+ else {
+ wprintw (command_win,"Error - Offset out of block\n");refresh_command_win ();
+ }
+}
+
+void pgdn (char *commnad_line)
+
+{
+ show_pad_info.line+=show_pad_info.display_lines;
+ refresh_show_pad ();refresh_show_win ();
+}
+
+void pgup (char *command_line)
+
+{
+ show_pad_info.line-=show_pad_info.display_lines;
+ refresh_show_pad ();refresh_show_win ();
+}
+
+void redraw (char *command_line)
+
+{
+ redraw_all ();
+ dispatch ("show");
+}
+
+void remember (char *command_line)
+
+{
+ long entry_num;
+ char *ptr,buffer [80];
+
+ if (device_handle==NULL) {
+ wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
+ return;
+ }
+
+ ptr=parse_word (command_line,buffer);
+
+ if (*ptr==0) {
+ wprintw (command_win,"Error - Argument not specified\n");refresh_command_win ();
+ return;
+ }
+
+ ptr=parse_word (ptr,buffer);
+
+ entry_num=remember_lifo.entries_count++;
+ if (entry_num>REMEMBER_COUNT-1) {
+ entry_num=0;
+ remember_lifo.entries_count--;
+ }
+
+ remember_lifo.offset [entry_num]=device_offset;
+ remember_lifo.type [entry_num]=current_type;
+ strcpy (remember_lifo.name [entry_num],buffer);
+
+ if (current_type!=NULL)
+ wprintw (command_win,"Object %s in Offset %ld remembered as %s\n",current_type->name,device_offset,buffer);
+ else
+ wprintw (command_win,"Offset %ld remembered as %s\n",device_offset,buffer);
+
+ refresh_command_win ();
+}
+
+void recall (char *command_line)
+
+{
+ char *ptr,buffer [80];
+ long entry_num;
+
+ if (device_handle==NULL) {
+ wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
+ return;
+ }
+
+ ptr=parse_word (command_line,buffer);
+
+ if (*ptr==0) {
+ wprintw (command_win,"Error - Argument not specified\n");refresh_command_win ();
+ return;
+ }
+
+ ptr=parse_word (ptr,buffer);
+
+
+ for (entry_num=remember_lifo.entries_count-1;entry_num>=0;entry_num--) {
+ if (strcmp (remember_lifo.name [entry_num],buffer)==0)
+ break;
+ }
+
+ if (entry_num==-1) {
+ wprintw (command_win,"Error - Can not recall %s\n",buffer);refresh_command_win ();
+ return;
+ }
+
+ sprintf (buffer,"setoffset %ld",remember_lifo.offset [entry_num]);dispatch (buffer);
+ if (remember_lifo.type [entry_num] != NULL) {
+ sprintf (buffer,"settype %s",remember_lifo.type [entry_num]->name);dispatch (buffer);
+ }
+
+ else {
+ sprintf (buffer,"settype none");dispatch (buffer);
+ }
+
+ wprintw (command_win,"Object %s in Offset %ld recalled\n",current_type->name,device_offset);
+ refresh_command_win ();
+}
+
+void enable_write (char *command_line)
+
+{
+ FILE *fp;
+
+ if (device_handle==NULL) {
+ wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
+ return;
+ }
+
+ if (!AllowChanges) {
+ wprintw (command_win,"Sorry, write access is not allowed\n");
+ return;
+ }
+
+ if (mounted) {
+ wprintw (command_win,"Error - Filesystem is mounted\n");
+ return;
+ }
+
+ if ( (fp=fopen (device_name,"r+b"))==NULL) {
+ wprintw (command_win,"Error - Can not open device %s for reading and writing\n",device_name);refresh_command_win ();
+ return;
+ }
+ fclose (device_handle);
+ device_handle=fp;write_access=1;
+ wprintw (command_win,"Write access enabled - Be careful\n");refresh_command_win ();
+}
+
+void disable_write (char *command_line)
+
+{
+ FILE *fp;
+
+ if (device_handle==NULL) {
+ wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
+ return;
+ }
+
+ if ( (fp=fopen (device_name,"rb"))==NULL) {
+ wprintw (command_win,"Error - Can not open device %s\n",device_name);refresh_command_win ();
+ return;
+ }
+
+ fclose (device_handle);
+ device_handle=fp;write_access=0;
+ wprintw (command_win,"Write access disabled\n");refresh_command_win ();
+}
+
+void write_data (char *command_line)
+
+{
+ write_type_data ();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 07:54:32 +0000