Recuperar los datos de directorio de raíz de la información del archivo de la lectura de la diskette

 
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do
{
file_no=0;

finfo.drive = 0x00; /* número de impulsión para A: */
finfo.head = head; /* número principal del disco */
finfo.track = track; /* número de la pista */
finfo.sector= sector; /* número del sector*/
finfo.nsectors=1; /* cuenta de sector */
finfo.buffer = buf; /* almacenador intermediario de los datos */

result = _bios_disk(_DISK_READ, &finfo); /* Leer el sector */

if( (result & 0xff00) != 0) /* Si el error leído, exhibe el mensaje de error y sale*/
{
printf("Error leído");
getch();
exit(0); // Ir de nuevo al DOS
}

/// Formato de la pantalla de visualización de la información \\\

clrscr();
gotoxy(9,1);
cprintf("DISPLAY CYLN: %u, HEAD: %u, SECTOR: %u", track, head, sector);
gotoxy(9,2);
cprintf("TAMAÑO CONOCIDO DEL COMIENZO DE LA CUALIDAD DE LA EXTENSIÓN DE FNO");
gotoxy(7,3);
cprintf("--------------------------------------------");


/* Un sector a la vez. Cada entrada de File/DIR toma el octeto 32 */

for(i=0;i<512;i+=32)
{
for(j=0;j<8;j++)
{

/// Encontrar el archivo/el nombre de Dir \\\

root[file_no].name[j]=buf[j+i];
}

for(j=8;j<11;j++)
{

/// Encontrar la extensión\\\

root[file_no].ext[j-8]=buf[i+j];
}

j=11;
root[file_no].attribute=buf[i+j]; /// Attribute

/// Comenzar el racimo \\\

root[file_no].start=(0xff & buf[27+i])*16*16 + (0xff & buf[26+i]);

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi, translated using machine translation. See original English contents on Data recovery book pages.

Data Recovery with & without Programming


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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