fix(get_sector_cylinder function patched, absolute bloc n° of a volume is now ...

fix(get_sector_cylinder function patched, absolute bloc n° of a volume is now  calculated by cylinder and sector)

tpfs/vol.c

@@ -50,12 +50,16 @@ void save_mbr()
     write_sector(0, 0, buffer);
 }
 
-unsigned int *get_sector_cylinder(int vol, int nbloc)
+unsigned int *get_sector_cylinder(unsigned int vol, unsigned int nbloc)
 {
-    assert(vol < mbr.nb_vols);
-    assert(nbloc < mbr.vols[vol].nb_sectors);
     int sector_cylinder[2], absolute_nbloc;
-    absolute_nbloc = (mbr.vols[vol].sector + nbloc);
+    vol_t volume;
+
+    assert(vol < mbr.nb_vols);
+    volume = mbr.vols[vol];
+    assert(nbloc < volume.nb_sectors);
+
+    absolute_nbloc = (volume.cylinder * HDA_MAXSECTOR + volume.sector + nbloc);
     sector_cylinder[0] = absolute_nbloc % HDA_MAXSECTOR;
     sector_cylinder[1] = absolute_nbloc / HDA_MAXCYLINDER;
     return sector_cylinder;
@@ -75,10 +79,10 @@ void write_bloc(unsigned int vol, unsigned int nbloc, const unsigned char *buffe
 
 void format_vol(unsigned int vol)
 {
-    int nbloc;
-    vol_t current_vol = mbr.vols[vol];
+    unsigned int nbloc;
+    vol_t volume = mbr.vols[vol];
 
-    for (nbloc = 0; nbloc < current_vol.nb_sectors; nbloc++)
+    for (nbloc = 0; nbloc < volume.nb_sectors; nbloc++)
     {
         int sector_cylinder[2] = get_sector_cylinder(vol, nbloc);
         format_sector(sector_cylinder[1], sector_cylinder[1], FMT_SIZE, FMT_DATA);

tpfs/vol.h

@@ -32,7 +32,7 @@ typedef struct mbr_s
 
 void load_mbr(void);
 void save_mbr(void);
-unsigned int *get_sector_cylinder(int volume, int bloc);
+unsigned int *get_sector_cylinder(unsigned int vol, unsigned int nbloc);
 void read_bloc(unsigned int vol, unsigned int nbloc, unsigned char *buffer);
 void write_bloc(unsigned int vol, unsigned int nbloc, const unsigned char *buffer);