|
DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 |
This is an automatic "excavation" of a thematic subset of
See our Wiki for more about Rational R1000/400 Excavated with: AutoArchaeologist - Free & Open Source Software. |
top - metrics - download
Length: 5120 (0x1400)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, package Dfs, seg_0066da
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦cfc2e13cd⟧ »Space Info Vol 2«
└─⟦this⟧
with System;
package Dfs is
type Error_Actions is (Ignore_Errors, Report_Errors, Die_On_Errors);
type Open_Options is (Must_Exist, Need_Not_Exist, Must_Not_Exist);
type Dfs_Status is (Fs_Ok, Bad_Filename, File_Does_Not_Exist,
File_Is_Not_Open, Disk_Full, Directory_Full,
File_Allready_Exists, Cant_Rename,
Cant_Delete, Page_Error, Slice_Error,
Bad_Address, Disk_Error, No_Labels, No_Dos,
No_Disk, Dfs_Ok, Env_Ok, Env_Name_Error,
Env_Already_Exists, Env_Status_Error, Env_Use_Error);
type Fs_Status is new Dfs_Status range Dfs_Status'First .. No_Disk;
type Env_Status is new Dfs_Status range Env_Ok .. Dfs_Status'Last;
type Raw_Block_Data is array (0 .. 1023) of System.Byte;
type Fs_Handle is private;
procedure Dfs_Open (Filename : in String;
Open_Opt : Open_Options := Must_Exist;
Err_Opt : Error_Actions;
Handle : in out Fs_Handle;
Status : in out Fs_Status);
-- Allows an environment user to open a DFS file. At this
-- point in time, writing is not supported to the DFS; and
-- thus, Open_Opt is limited to the Must_Exist option.
procedure Dfs_Read (Handle : in out Fs_Handle;
Err_Action : in Error_Actions;
Block : out Raw_Block_Data;
Status : in out Fs_Status);
-- Allows an environment level user to read a previously Dfs_Open(ed)
-- DFS file. This routine returns the blocks in the file in
-- a sequential order, in 1023 byte chunks.
procedure Dfs_Copy (Dfs_Filename : in String;
Env_Filename : in String;
Allow_Overwrite : Boolean := False);
-- Allows a DFS file to be copied to a user specified environment
-- file. If Allow_Overwrite is defaulted (False) the file must
-- not exist in the environment. Any errors (Dfs file doesn't
-- exist, etc) will be reported via messages to the message window.
procedure Dfs_Make_Copy (Dfs_Filename : in String;
Env_Filename : in String;
Status : in out Dfs_Status;
Allow_Overwrite : Boolean := False);
-- Allows a DFS file to be copied to a user specified environment
-- file. If Allow_Overwrite is defaulted (False) the file must
-- not exist in the environment. Make_Copy is designed to be used
-- from within another procedure, not in a user's command window.
-- Any errors will be returned via the Status parameter.
procedure Dfs_Directory (Filename : String := "@"; Full : Boolean := False);
-- Produce a directory listing of the specified files in the DFS.
-- Both "@" and "*" work as wildcards in the filename specification.
private
type Fs_Handle_Entry;
type Fs_Handle is access Fs_Handle_Entry;
end Dfs;
nblk1=4
nid=0
hdr6=8
[0x00] rec0=1d rec1=00 rec2=01 rec3=03a
[0x01] rec0=16 rec1=00 rec2=02 rec3=04e
[0x02] rec0=13 rec1=00 rec2=03 rec3=01c
[0x03] rec0=07 rec1=00 rec2=04 rec3=001
tail 0x21701dcea81c04b1c4b52 0x42a00088462060003