446 lines
10 KiB
C++
446 lines
10 KiB
C++
#help_index "Info;File/Cmd Line (Typically);Cmd Line (Typically)"
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Bool ChkDskConfirm(Bool *_fix,Bool *_confirm)
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{
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if (*_fix && *_confirm) {
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"Fix ";
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if (!YorN)
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*_fix=FALSE;
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*_confirm=FALSE;
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}
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return *_fix;
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}
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I64 RedSeaChkDskLst(CDrv *dv,CDirEntry *tempde1,
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U8 *bits,U8 *bits2,I64 size,I64 bpc)
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{
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CDirEntry *tempde2;
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I64 i,j,errs=0;
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while (tempde1) {
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tempde2=tempde1->next;
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if (tempde1->attr & RS_ATTR_DIR && tempde1->sub)
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errs+=RedSeaChkDskLst(dv,tempde1->sub,bits,bits2,size,bpc);
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j=(tempde1->size+bpc-1)/bpc;
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for (i=0;i<j;i++) {
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if (i+tempde1->cluster-dv->data_area>size) {
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PrintErr("Invalid Cluster:%s Cluster:%X\n",tempde1->full_name,
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i+tempde1->cluster);
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errs++;
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break;
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}
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if (LBts(bits,i+tempde1->cluster-dv->data_area)) {
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PrintErr("Dbl Alloc:%s Cluster:%X\n",tempde1->full_name,
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i+tempde1->cluster);
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errs++;
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}
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if (!LBtr(bits2,i+tempde1->cluster-dv->data_area)) {
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PrintErr("UnAlloc:%s Cluster:%X\n",tempde1->full_name,
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i+tempde1->cluster);
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errs++;
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}
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}
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DirEntryDel(tempde1);
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tempde1=tempde2;
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}
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return errs;
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}
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I64 RedSeaChkDsk(U8 drv_let,Bool *_fix,Bool *_confirm)
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{
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I64 i,j,bpc,size,errs=0;
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CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
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U8 *files_find_mask=MStrPrint("%c:/*",Drv2Let(dv)),
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*old_dir=StrNew(Fs->cur_dir),
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*bits,*bits2;
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CDirEntry *ptr,*ptr2;
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Drv(drv_let);
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"Scanning...\n";
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size=(dv->size-(dv->data_area-dv->base_offset))/dv->spc;
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bpc=dv->spc<<BLK_SIZE_BITS;
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bits=CAlloc((size+7)>>3);
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bits2=CAlloc((size+7)>>3+BLK_SIZE);
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RBlks(dv,bits2,dv->fat1,((size+7)>>3+BLK_SIZE-1)>>BLK_SIZE_BITS);
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//Get Root Dir size
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ptr2=MAlloc(bpc);
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RBlks(dv,ptr2,dv->root_cluster,1);
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ptr=ptr2(U8 *)-offset(CDirEntry.start);
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j=(ptr->size+bpc-1)/bpc;
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Free(ptr2);
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for (i=0;i<j;i++) {
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if (i+dv->root_cluster-dv->data_area>size) {
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PrintErr("Invalid Cluster: RootDir Cluster:%X\n",i+dv->root_cluster);
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errs++;
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break;
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}
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if (LBts(bits,i+dv->root_cluster-dv->data_area)) {
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PrintErr("Dbl Alloc: RootDir Cluster:%X\n",i+dv->root_cluster);
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errs++;
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}
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if (!LBtr(bits2,i+dv->root_cluster-dv->data_area)) {
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PrintErr("UnAlloc: RootDir Cluster:%X\n",i+dv->root_cluster);
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errs++;
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}
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}
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errs+=RedSeaChkDskLst(dv,FilesFind(files_find_mask,FUF_RECURSE),
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bits,bits2,size,bpc);
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for (i=1;i<size;i++)
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if (Bt(bits2,i)) {
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PrintWarn("Shouldn't Alloc Cluster:%0X\n",i+dv->data_area);
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errs++;
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if (ChkDskConfirm(_fix,_confirm))
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RedSeaFreeClusters(dv,i+dv->data_area,1);
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}
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Free(files_find_mask);
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Free(bits);
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Free(bits2);
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Drv(Drv2Let(old_dv));
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Cd(old_dir);
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Free(old_dir);
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return errs;
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}
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I64 FAT32ChkDskLst(CDrv *dv,CDirEntry *tempde1,
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U8 *bits,U32 *bits2,I64 size,I64 bpc)
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{
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CDirEntry *tempde2;
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I64 i,c,errs=0;
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while (tempde1) {
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tempde2=tempde1->next;
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if (tempde1->attr & RS_ATTR_DIR && tempde1->sub)
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errs+=FAT32ChkDskLst(dv,tempde1->sub,bits,bits2,size,bpc);
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i=0;
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c=tempde1->cluster;
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while (0<c<0x0FFFFFF8) {
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if (c>size) {
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PrintErr("Invalid Cluster:%s Cluster:%X\n",tempde1->full_name,c);
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errs++;
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break;
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}
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if (LBts(bits,c)) {
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PrintErr("Dbl Alloc:%s Cluster:%X\n",tempde1->full_name,c);
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errs++;
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}
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if (!bits2[c]) {
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PrintErr("UnAlloc:%s Cluster:%X\n",tempde1->full_name,c);
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errs++;
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} else
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bits2[c]=0;
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c=ClusterNumNext(dv,c);
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i++;
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}
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if (!(tempde1->attr & RS_ATTR_DIR)) {
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i*=bpc;
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if (tempde1->size>i) {
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PrintErr("Alloced File Too Short:%s\n",tempde1->full_name);
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errs++;
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}
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if (i>tempde1->size+bpc-1) {
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PrintWarn("Alloced File Too Long:%s\n",tempde1->full_name);
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errs++;
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}
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}
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DirEntryDel(tempde1);
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tempde1=tempde2;
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}
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return errs;
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}
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I64 FAT32ChkDsk(U8 drv_let,Bool *_fix,Bool *_confirm)
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{
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I64 i,bpc,size,c,errs=0;
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CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
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U8 *files_find_mask=MStrPrint("%c:/*",Drv2Let(dv)),
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*old_dir=StrNew(Fs->cur_dir),
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*bits;
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U32 *bits2;
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Drv(drv_let);
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"Scanning...\n";
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size=(dv->size-(dv->data_area-dv->base_offset))/dv->spc;
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bpc=dv->spc<<BLK_SIZE_BITS;
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bits=CAlloc((size+7)>>3);
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bits2=CAlloc(size*4+BLK_SIZE);
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RBlks(dv,bits2,dv->fat1,(size*4+BLK_SIZE-1)>>BLK_SIZE_BITS);
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c=dv->root_cluster;
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while (0<c<0x0FFFFFF8) {
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if (c>size) {
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PrintErr("Invalid Cluster: RootDir Cluster:%X\n",c);
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errs++;
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break;
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}
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if (LBts(bits,c)) {
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PrintErr("Dbl Alloc: RootDir Cluster:%X\n",c);
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errs++;
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}
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if (!bits2[c]) {
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PrintErr("UnAlloc: RootDir Cluster:%X\n",c);
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errs++;
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} else
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bits2[c]=0;
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c=ClusterNumNext(dv,c);
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}
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errs+=FAT32ChkDskLst(dv,FilesFind(files_find_mask,FUF_RECURSE),
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bits,bits2,size,bpc);
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bits2[1]=0; //See $LK,"FAT32Fmt",A="MN:FAT32Fmt"$()
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for (i=1;i<size;i++)
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if (bits2[i]) {
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PrintWarn("Shouldn't Alloc Cluster:%0X\n",i);
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errs++;
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if (ChkDskConfirm(_fix,_confirm))
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FAT32FreeClusters(dv,i);
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}
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Free(files_find_mask);
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Free(bits);
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Free(bits2);
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Drv(Drv2Let(old_dv));
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Cd(old_dir);
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Free(old_dir);
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return errs;
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}
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public I64 ChkDsk(U8 drv_let=0,Bool fix=FALSE,Bool confirm=TRUE)
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{//Check disk for allocation errors and, optionally, fix.
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//You probably want to reformat and reinstall.
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I64 errs=0;
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CDrv *dv=Let2Drv(drv_let);
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switch (dv->fs_type) {
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case FSt_REDSEA:
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errs=RedSeaChkDsk(drv_let,&fix,&confirm);
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break;
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case FSt_FAT32:
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errs=FAT32ChkDsk(drv_let,&fix,&confirm);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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if (errs) {
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if (fix)
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"It might be a little better. ";
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"Copy files to another partition or CD/DVD, "
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"reformat, and copy back. "
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"Or, copy from a back-up.\n";
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}
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return errs;
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}
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U0 RedSeaDrvView(U8 drv_let=0)
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{
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CDrv *dv=Let2Drv(drv_let);
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I64 lohi,c1,i,x,y,l,s;
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U8 *bitmap;
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CDC *dc=DCAlias;
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l=(GR_HEIGHT-3*FONT_HEIGHT)*(GR_WIDTH-FONT_WIDTH<<1),
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s=(dv->size+dv->spc-1)/dv->spc;
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SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
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WinMax;
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DocCursor;
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DocClear;
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DCFill;
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try {
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i=((s+7)>>3+BLK_SIZE-1)>>BLK_SIZE_BITS;
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bitmap=MAlloc(i<<BLK_SIZE_BITS);
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RBlks(dv,bitmap,dv->fat1,i);
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i=0;
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for (y=0;y<GR_HEIGHT-3*FONT_HEIGHT;y++) {
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if (ScanKey)
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break;
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for (x=0;x<GR_WIDTH-FONT_WIDTH<<1;x++) {
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lohi=i*s;
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c1=lohi/l;
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if (Bt(bitmap,c1))
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dc->color=ROP_XOR+BLUE^TRANSPARENT;
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else
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dc->color=ROP_XOR+WHITE^TRANSPARENT;
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GrPlot(dc,x,y);
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i++;
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}
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}
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Free(bitmap);
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} catch
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DrvUnlock(dv);
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GetChar;
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SettingsPop;
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DCFill;
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DCDel(dc);
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}
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U0 FAT32DrvView(U8 drv_let=0)
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{
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CDrv *dv=Let2Drv(drv_let);
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I64 lohi,c1,i,x,y,l,s;
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U32 *bitmap;
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CDC *dc=DCAlias;
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l=(GR_HEIGHT-3*FONT_HEIGHT)*(GR_WIDTH-FONT_WIDTH<<1),
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s=(dv->size+dv->spc-1)/dv->spc;
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SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
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WinMax;
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DocCursor;
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DocClear;
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DCFill;
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try {
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i=(s*4+BLK_SIZE-1)>>BLK_SIZE_BITS;
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bitmap=MAlloc(i<<BLK_SIZE_BITS);
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RBlks(dv,bitmap,dv->fat1,i);
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i=0;
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for (y=0;y<GR_HEIGHT-3*FONT_HEIGHT;y++) {
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if (ScanKey)
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break;
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for (x=0;x<GR_WIDTH-FONT_WIDTH<<1;x++) {
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lohi=i*s;
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c1=lohi/l;
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if (bitmap[c1])
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dc->color=ROP_XOR+BLUE^TRANSPARENT;
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else
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dc->color=ROP_XOR+WHITE^TRANSPARENT;
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GrPlot(dc,x,y);
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i++;
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}
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}
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Free(bitmap);
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} catch
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DrvUnlock(dv);
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GetChar;
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SettingsPop;
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DCFill;
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DCDel(dc);
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}
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public U0 DrvView(U8 drv_let=0)
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{//Drive view. Graph the allocation map's fragmentation.
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CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
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Drv(drv_let);
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switch (dv->fs_type) {
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case FSt_REDSEA:
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RedSeaDrvView(drv_let);
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break;
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case FSt_FAT32:
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FAT32DrvView(drv_let);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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Drv(Drv2Let(old_dv));
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}
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public U0 DskView(U8 drv_let=0)
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{//Disk view. Pie chart of partition sizes.
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I64 i,j,attr,
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h=Fs->pix_width,
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v=Fs->pix_height,
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radius;
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CDrv *dv;
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CBlkDev *bd=Let2BlkDev(drv_let);
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CDC *dc=DCAlias;
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F64 sect_start,sect_end;
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SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
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DocCursor;
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DocClear;
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DCFill;
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if (h<v)
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radius=0.4*h;
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else
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radius=0.4*v;
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dc->color=BLACK;
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GrCircle(dc,h>>1,v>>1,radius);
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j=1;
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for (i=0;i<NUM_DRVS;i++) {
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dv=&blkdev.drvs[i];
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if (bd==dv->bd && dv->fs_type) {
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sect_start=-(dv->base_offset*2*ã/(bd->max_blk+1));
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sect_end =-((dv->base_offset+dv->size)*2*ã/(bd->max_blk+1));
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dc->color=BLACK;
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GrLine(dc,h>>1,v>>1,
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h>>1+radius*Cos(sect_start),
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v>>1+radius*Sin(sect_start));
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GrLine(dc,h>>1,v>>1,
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h>>1+radius*Cos(sect_end),
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v>>1+radius*Sin(sect_end));
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attr=DrvTextAttrGet(Drv2Let(dv));
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dc->color=attr&15;
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GrPrint(dc,0,v-FONT_HEIGHT*j,"%C %-8Z",Drv2Let(dv),
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dv->fs_type,"ST_DRV_TYPES");
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dc->color.c1=attr>>4;
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dc->color|=ROPF_DITHER;
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GrFloodFill(dc,
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h>>1+(radius-4)*Cos((sect_start+sect_end)/2),
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v>>1+(radius-4)*Sin((sect_start+sect_end)/2),FALSE);
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j++;
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}
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}
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GetChar(,FALSE);
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SettingsPop;
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DCFill;
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DCDel(dc);
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}
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I64 RedSeaUnusedDrvSpace(U8 drv_let=0)
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{
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CDrv *dv=Let2Drv(drv_let);
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I64 result=0,i,l;
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U8 *bitmap;
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try {
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l=(dv->size+dv->spc-1)/dv->spc;
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i=((l+7)>>3+BLK_SIZE-1)>>BLK_SIZE_BITS;
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bitmap=MAlloc(i<<BLK_SIZE_BITS);
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RBlks(dv,bitmap,dv->fat1,i);
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for (i=0;i<l;i++)
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if (!Bt(bitmap,i))
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result++;
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Free(bitmap);
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} catch
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DrvUnlock(dv);
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return result*BLK_SIZE*dv->spc;
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}
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I64 FAT32UnusedDrvSpace(U8 drv_let=0)
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{
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CDrv *dv=Let2Drv(drv_let);
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I64 result=0,i,l;
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U32 *bitmap;
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try {
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l=(dv->size+dv->spc-1)/dv->spc;
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i=(l*4+BLK_SIZE-1)>>BLK_SIZE_BITS;
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bitmap=MAlloc(i<<BLK_SIZE_BITS);
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RBlks(dv,bitmap,dv->fat1,i);
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for (i=0;i<l;i++)
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if (!bitmap[i])
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result++;
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Free(bitmap);
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} catch
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DrvUnlock(dv);
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return result*BLK_SIZE*dv->spc;
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}
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public I64 UnusedDrvSpace(U8 drv_let=0)
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{//Returns unused size in bytes.
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CDrv *dv=Let2Drv(drv_let),*old_dv=Fs->cur_dv;
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U8 *old_dir=StrNew(Fs->cur_dir);
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I64 result=0;
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Drv(drv_let);
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switch (dv->fs_type) {
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case FSt_REDSEA:
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result=RedSeaUnusedDrvSpace(drv_let);
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break;
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case FSt_FAT32:
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result=FAT32UnusedDrvSpace(drv_let);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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Drv(Drv2Let(old_dv));
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Cd(old_dir);
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Free(old_dir);
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return result;
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}
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