A TempleOS distro for heretics
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#help_index "Info;File/Cmd Line (Typically);Cmd Line (Typically)"
Bool ChkDskConfirm(Bool *_fix,Bool *_confirm)
{
if (*_fix && *_confirm) {
"Fix ";
if (!YorN)
*_fix=FALSE;
*_confirm=FALSE;
}
return *_fix;
}
I64 RedSeaChkDskLst(CDrv *dv,CDirEntry *tmpde1,
U8 *bits,U8 *bits2,I64 size,I64 bpc)
{
CDirEntry *tmpde2;
I64 i,j,errs=0;
while (tmpde1) {
tmpde2=tmpde1->next;
if (tmpde1->attr & RS_ATTR_DIR && tmpde1->sub)
errs+=RedSeaChkDskLst(dv,tmpde1->sub,bits,bits2,size,bpc);
j=(tmpde1->size+bpc-1)/bpc;
for (i=0;i<j;i++) {
if (i+tmpde1->cluster-dv->data_area>size) {
PrintErr("Invalid Cluster:%s Cluster:%X\n",tmpde1->full_name,
i+tmpde1->cluster);
errs++;
break;
}
if (LBts(bits,i+tmpde1->cluster-dv->data_area)) {
PrintErr("Dbl Alloc:%s Cluster:%X\n",tmpde1->full_name,
i+tmpde1->cluster);
errs++;
}
if (!LBtr(bits2,i+tmpde1->cluster-dv->data_area)) {
PrintErr("UnAlloc:%s Cluster:%X\n",tmpde1->full_name,
i+tmpde1->cluster);
errs++;
}
}
DirEntryDel(tmpde1);
tmpde1=tmpde2;
}
return errs;
}
I64 RedSeaChkDsk(U8 drv_let,Bool *_fix,Bool *_confirm)
{
I64 i,j,bpc,size,errs=0;
CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
U8 *files_find_mask=MStrPrint("%c:/*",Drv2Let(dv)),
*old_dir=StrNew(Fs->cur_dir),
*bits,*bits2;
CDirEntry *ptr,*ptr2;
Drv(drv_let);
"Scanning...\n";
size=(dv->size-(dv->data_area-dv->drv_offset))/dv->spc;
bpc=dv->spc<<BLK_SIZE_BITS;
bits=CAlloc((size+7)>>3);
bits2=CAlloc((size+7)>>3+BLK_SIZE);
RBlks(dv,bits2,dv->fat1,((size+7)>>3+BLK_SIZE-1)>>BLK_SIZE_BITS);
//Get Root Dir size
ptr2=MAlloc(bpc);
RBlks(dv,ptr2,dv->root_cluster,1);
ptr=ptr2(U8 *)-offset(CDirEntry.start);
j=(ptr->size+bpc-1)/bpc;
Free(ptr2);
for (i=0;i<j;i++) {
if (i+dv->root_cluster-dv->data_area>size) {
PrintErr("Invalid Cluster: RootDir Cluster:%X\n",i+dv->root_cluster);
errs++;
break;
}
if (LBts(bits,i+dv->root_cluster-dv->data_area)) {
PrintErr("Dbl Alloc: RootDir Cluster:%X\n",i+dv->root_cluster);
errs++;
}
if (!LBtr(bits2,i+dv->root_cluster-dv->data_area)) {
PrintErr("UnAlloc: RootDir Cluster:%X\n",i+dv->root_cluster);
errs++;
}
}
errs+=RedSeaChkDskLst(dv,FilesFind(files_find_mask,FUF_RECURSE),
bits,bits2,size,bpc);
for (i=1;i<size;i++)
if (Bt(bits2,i)) {
PrintWarn("Shouldn't Alloc Cluster:%0X\n",i+dv->data_area);
errs++;
if (ChkDskConfirm(_fix,_confirm))
RedSeaFreeClusters(dv,i+dv->data_area,1);
}
Free(files_find_mask);
Free(bits);
Free(bits2);
Drv(Drv2Let(old_dv));
Cd(old_dir);
Free(old_dir);
return errs;
}
I64 FAT32ChkDskLst(CDrv *dv,CDirEntry *tmpde1,
U8 *bits,U32 *bits2,I64 size,I64 bpc)
{
CDirEntry *tmpde2;
I64 i,c,errs=0;
while (tmpde1) {
tmpde2=tmpde1->next;
if (tmpde1->attr & RS_ATTR_DIR && tmpde1->sub)
errs+=FAT32ChkDskLst(dv,tmpde1->sub,bits,bits2,size,bpc);
i=0;
c=tmpde1->cluster;
while (0<c<0x0FFFFFF8) {
if (c>size) {
PrintErr("Invalid Cluster:%s Cluster:%X\n",tmpde1->full_name,c);
errs++;
break;
}
if (LBts(bits,c)) {
PrintErr("Dbl Alloc:%s Cluster:%X\n",tmpde1->full_name,c);
errs++;
}
if (!bits2[c]) {
PrintErr("UnAlloc:%s Cluster:%X\n",tmpde1->full_name,c);
errs++;
} else
bits2[c]=0;
c=ClusterNumNext(dv,c);
i++;
}
if (!(tmpde1->attr & RS_ATTR_DIR)) {
i*=bpc;
if (tmpde1->size>i) {
PrintErr("Alloced File Too Short:%s\n",tmpde1->full_name);
errs++;
}
if (i>tmpde1->size+bpc-1) {
PrintWarn("Alloced File Too Long:%s\n",tmpde1->full_name);
errs++;
}
}
DirEntryDel(tmpde1);
tmpde1=tmpde2;
}
return errs;
}
I64 FAT32ChkDsk(U8 drv_let,Bool *_fix,Bool *_confirm)
{
I64 i,bpc,size,c,errs=0;
CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
U8 *files_find_mask=MStrPrint("%c:/*",Drv2Let(dv)),
*old_dir=StrNew(Fs->cur_dir),
*bits;
U32 *bits2;
Drv(drv_let);
"Scanning...\n";
size=(dv->size-(dv->data_area-dv->drv_offset))/dv->spc;
bpc=dv->spc<<BLK_SIZE_BITS;
bits=CAlloc((size+7)>>3);
bits2=CAlloc(size*4+BLK_SIZE);
RBlks(dv,bits2,dv->fat1,(size*4+BLK_SIZE-1)>>BLK_SIZE_BITS);
c=dv->root_cluster;
while (0<c<0x0FFFFFF8) {
if (c>size) {
PrintErr("Invalid Cluster: RootDir Cluster:%X\n",c);
errs++;
break;
}
if (LBts(bits,c)) {
PrintErr("Dbl Alloc: RootDir Cluster:%X\n",c);
errs++;
}
if (!bits2[c]) {
PrintErr("UnAlloc: RootDir Cluster:%X\n",c);
errs++;
} else
bits2[c]=0;
c=ClusterNumNext(dv,c);
}
errs+=FAT32ChkDskLst(dv,FilesFind(files_find_mask,FUF_RECURSE),
bits,bits2,size,bpc);
bits2[1]=0; //See $LK,"FAT32Fmt",A="MN:FAT32Fmt"$()
for (i=1;i<size;i++)
if (bits2[i]) {
PrintWarn("Shouldn't Alloc Cluster:%0X\n",i);
errs++;
if (ChkDskConfirm(_fix,_confirm))
FAT32FreeClusters(dv,i);
}
Free(files_find_mask);
Free(bits);
Free(bits2);
Drv(Drv2Let(old_dv));
Cd(old_dir);
Free(old_dir);
return errs;
}
public I64 ChkDsk(U8 drv_let=0,Bool fix=FALSE,Bool confirm=TRUE)
{//Check disk for allocation errors and, optionally, fix.
//You probably want to reformat and reinstall.
I64 errs=0;
CDrv *dv=Let2Drv(drv_let);
switch (dv->fs_type) {
case FSt_REDSEA:
errs=RedSeaChkDsk(drv_let,&fix,&confirm);
break;
case FSt_FAT32:
errs=FAT32ChkDsk(drv_let,&fix,&confirm);
break;
default:
PrintErr("File System Not Supported\n");
}
if (errs) {
if (fix)
"It might be a little better. ";
"Copy files to another partition or CD/DVD, "
"reformat, and copy back. "
"Or, copy from a back-up.\n";
}
return errs;
}
U0 RedSeaDrvView(U8 drv_let=0)
{
CDrv *dv=Let2Drv(drv_let);
I64 lohi,c1,i,x,y,l=(GR_HEIGHT-3*FONT_HEIGHT)*(GR_WIDTH-FONT_WIDTH<<1),
s=dv->size+dv->drv_offset-dv->data_area;
U8 *bitmap;
CDC *dc=DCAlias;
SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
WinMax;
WinBorder(ON);
DocCursor;
DocClear;
DCFill;
try {
i=((s+7)>>3+BLK_SIZE-1)>>BLK_SIZE_BITS;
bitmap=MAlloc(i<<BLK_SIZE_BITS);
RBlks(dv,bitmap,dv->fat1,i);
i=0;
for (y=0;y<GR_HEIGHT-3*FONT_HEIGHT;y++) {
if (ScanKey)
break;
for (x=0;x<GR_WIDTH-FONT_WIDTH<<1;x++) {
lohi=i*s;
c1=lohi/l;
if (Bt(bitmap,c1))
dc->color=ROP_XOR+BLUE^TRANSPARENT;
else
dc->color=ROP_XOR+WHITE^TRANSPARENT;
GrPlot(dc,x,y);
i++;
}
}
Free(bitmap);
} catch
DrvUnlock(dv);
GetChar;
SettingsPop;
DCFill;
DCDel(dc);
}
U0 FAT32DrvView(U8 drv_let=0)
{
CDrv *dv=Let2Drv(drv_let);
I64 lohi,c1,i,x,y,l=(GR_HEIGHT-3*FONT_HEIGHT)*(GR_WIDTH-FONT_WIDTH<<1),
s=(dv->size+dv->spc-1)/dv->spc-(2+dv->data_area-dv->drv_offset);
U32 *bitmap;
CDC *dc=DCAlias;
SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
WinMax;
WinBorder(ON);
DocCursor;
DocClear;
DCFill;
try {
i=(s*4+BLK_SIZE-1)>>BLK_SIZE_BITS;
bitmap=MAlloc(i<<BLK_SIZE_BITS);
RBlks(dv,bitmap,dv->fat1,i);
i=0;
for (y=0;y<GR_HEIGHT-3*FONT_HEIGHT;y++) {
if (ScanKey)
break;
for (x=0;x<GR_WIDTH-FONT_WIDTH<<1;x++) {
lohi=i*s;
c1=lohi/l;
if (bitmap[c1])
dc->color=ROP_XOR+BLUE^TRANSPARENT;
else
dc->color=ROP_XOR+WHITE^TRANSPARENT;
GrPlot(dc,x,y);
i++;
}
}
Free(bitmap);
} catch
DrvUnlock(dv);
GetChar;
SettingsPop;
DCFill;
DCDel(dc);
}
public U0 DrvView(U8 drv_let=0)
{//Drive view. Graph the allocation map's fragmentation.
CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
Drv(drv_let);
switch (dv->fs_type) {
case FSt_REDSEA:
RedSeaDrvView(drv_let);
break;
case FSt_FAT32:
FAT32DrvView(drv_let);
break;
default:
PrintErr("File System Not Supported\n");
}
Drv(Drv2Let(old_dv));
}
public U0 DskView(U8 drv_let=0)
{//Disk view. Pie chart of partition sizes.
I64 i,j,attr,
h=Fs->pix_width,
v=Fs->pix_height,
radius;
CDrv *dv;
CBlkDev *bd=Let2BlkDev(drv_let);
CDC *dc=DCAlias;
F64 sect_start,sect_end;
SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
DocCursor;
DocClear;
DCFill;
if (h<v)
radius=0.4*h;
else
radius=0.4*v;
dc->color=BLACK;
GrCircle(dc,h>>1,v>>1,radius);
j=1;
for (i=0;i<DRVS_NUM;i++) {
dv=&blkdev.drvs[i];
if (bd==dv->bd && dv->fs_type) {
sect_start=-(dv->drv_offset*2*<EFBFBD>/(bd->max_blk+1));
sect_end =-((dv->drv_offset+dv->size)*2*<EFBFBD>/(bd->max_blk+1));
dc->color=BLACK;
GrLine(dc,h>>1,v>>1,
h>>1+radius*Cos(sect_start),
v>>1+radius*Sin(sect_start));
GrLine(dc,h>>1,v>>1,
h>>1+radius*Cos(sect_end),
v>>1+radius*Sin(sect_end));
attr=DrvTextAttrGet(Drv2Let(dv));
dc->color=attr&15;
GrPrint(dc,0,v-FONT_HEIGHT*j,"%C %-8Z",Drv2Let(dv),
dv->fs_type,"ST_DRV_TYPES");
dc->color.c1=attr>>4;
dc->color|=ROPF_DITHER;
GrFloodFill(dc,
h>>1+(radius-4)*Cos((sect_start+sect_end)/2),
v>>1+(radius-4)*Sin((sect_start+sect_end)/2),FALSE);
j++;
}
}
GetChar(,FALSE);
SettingsPop;
DCFill;
DCDel(dc);
}
I64 RedSeaUnusedDrvSpace(U8 drv_let=0)
{
CDrv *dv=Let2Drv(drv_let);
I64 res=0,i,l;
U8 *bitmap;
try {
l=dv->size+dv->drv_offset-dv->data_area;
i=((l+7)>>3+BLK_SIZE-1)>>BLK_SIZE_BITS;
bitmap=MAlloc(i<<BLK_SIZE_BITS);
RBlks(dv,bitmap,dv->fat1,i);
for (i=0;i<l;i++)
if (!Bt(bitmap,i))
res++;
Free(bitmap);
} catch
DrvUnlock(dv);
return res*BLK_SIZE*dv->spc;
}
I64 FAT32UnusedDrvSpace(U8 drv_let=0)
{
CDrv *dv=Let2Drv(drv_let);
I64 res=0,i,l;
U32 *bitmap;
try {
l=(dv->size+dv->spc-1)/dv->spc-(2+dv->data_area-dv->drv_offset);
i=(l*4+BLK_SIZE-1)>>BLK_SIZE_BITS;
bitmap=MAlloc(i<<BLK_SIZE_BITS);
RBlks(dv,bitmap,dv->fat1,i);
for (i=0;i<l;i++)
if (!bitmap[i])
res++;
Free(bitmap);
} catch
DrvUnlock(dv);
return res*BLK_SIZE*dv->spc;
}
public I64 UnusedDrvSpace(U8 drv_let=0)
{//Returns unused size in bytes.
CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
U8 *old_dir=StrNew(Fs->cur_dir);
I64 res=0;
Drv(drv_let);
switch (dv->fs_type) {
case FSt_REDSEA:
res=RedSeaUnusedDrvSpace(drv_let);
break;
case FSt_FAT32:
res=FAT32UnusedDrvSpace(drv_let);
break;
default:
PrintErr("File System Not Supported\n");
}
Drv(Drv2Let(old_dv));
Cd(old_dir);
Free(old_dir);
return res;
}