///// Calculate The Size of File in Sectors \\\\\
num_sectors = one.entry[i].file_size/512;
if((one.entry[i].file_size%512)>0)
{
num_sectors = num_sectors+1;
}
/* Data buffer of 512 bytes with 512 NULL characters */
for(j=0;j<512;j++)
{
wipe_buf[j] = '\0';
}
///// Starting Sector of the File \\\\\
j= one.entry[i].starting_cluster+31;
/* Wipe out the data Area Until the Sectors of file End */
while(j!=(one.entry[i].starting_cluster +
num_sectors+31) )
{
if((abswrite(0x00, 1, j, &wipe_buf))!=0)
{
printf("\n Error Writing on Disk Sectors");
getch();
exit(0);
}
j++;
}
printf("\n\n File \"%.8s.%.3s\" Deleted !!!" ,
one.entry[i].filename,
one.entry[i].extension);
one.entry[i].attribute = 0; /* Set the File Attribute
to 0 */
one.entry[i].time = 0; /* Wipe The Time information
of File */
one.entry[i].date = 0; /* Wipe The Date information
of File */
one.entry[i].starting_cluster = 0; /* Set the Starting cluster to 0
*/
one.entry[i].file_size = 0; /* Set the file Size to 0 */
one.entry[i].filename[0]=0xE5; /* Give the Deleted
file Status to the File */
///// Write above information in the root Directory \\\\\\
result= abswrite(0x00, 1, 19, &one);
if (result != 0)
{
perror("Error in Reading Sector, Press any key to
Exit...");
getch();
exit(1);
}
}
| Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi |
|
Publishers of the Book
Number of Pages
ISBN
Price of the Book
|
BPB Publications, New Delhi, India
540
81-7656-922-4
$69.00 (Including Shipping Charges, Cost of Book and Other expenses, Free Source Code CD included with the Book)
|
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|
|
