text stringlengths 0 234 |
|---|
S_Idx := 0; |
SName := (others => ' '); |
for J in 1 .. Last loop |
exit when Add_Tilde and then S_Idx >= 6; |
exit when not Add_Tilde and then S_Idx = 8; |
if Name.Name (J) in 'a' .. 'z' then |
S_Idx := S_Idx + 1; |
SName (S_Idx) := To_Upper (Name.Name (J)); |
elsif Is_Legal_Character (Name.Name (J)) then |
S_Idx := S_Idx + 1; |
SName (S_Idx) := Name.Name (J); |
elsif Name.Name (J) = '.' |
or else Name.Name (J) = ' ' |
then |
-- dots that are not used as extension delimiters are invalid |
-- in FAT short names and ignored in long names to short names |
-- translation |
Add_Tilde := True; |
else |
-- Any other character is translated as '_' |
Add_Tilde := True; |
S_Idx := S_Idx + 1; |
SName (S_Idx) := '_'; |
end if; |
end loop; |
if Add_Tilde then |
if S_Idx >= 6 then |
SName (7 .. 8) := "~1"; |
else |
SName (S_Idx + 1 .. S_Idx + 2) := "~1"; |
end if; |
end if; |
end To_Short_Name; |
--------------- |
-- Inc_SName -- |
--------------- |
procedure Inc_SName (SName : in out String) |
is |
Idx : Natural := 0; |
Num : Natural := 0; |
begin |
for J in reverse SName'Range loop |
if Idx = 0 then |
if SName (J) = ' ' then |
null; |
elsif SName (J) in '0' .. '9' then |
Idx := J; |
else |
SName (SName'Last - 1 .. SName'Last) := "~1"; |
return; |
end if; |
elsif SName (J) in '0' .. '9' then |
Idx := J; |
elsif SName (J) = '~' then |
Num := Value (SName (Idx .. SName'Last)) + 1; |
-- make Idx point to '~' |
Idx := J; |
declare |
N_Suffix : String := Natural'Image (Num); |
begin |
N_Suffix (N_Suffix'First) := '~'; |
if Idx + N_Suffix'Length - 1 > SName'Last then |
SName (SName'Last - N_Suffix'Length + 1 .. SName'Last) := |
N_Suffix; |
else |
SName (Idx .. Idx + N_Suffix'Length - 1) := N_Suffix; |
end if; |
return; |
Function Definition: function To_Disk_Parameter is new Ada.Unchecked_Conversion |
Function Body: (Disk_Parameter_Block, FAT_Disk_Parameter); |
subtype FSInfo_Block is Block (0 .. 11); |
function To_FSInfo is new Ada.Unchecked_Conversion |
(FSInfo_Block, FAT_FS_Info); |
begin |
FS.Window_Block := 16#FFFF_FFFF#; |
Status := FS.Ensure_Block (0); |
if Status /= OK then |
return; |
end if; |
if FS.Window (510 .. 511) /= (16#55#, 16#AA#) then |
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