=> R0 = reason code number
0 Identify archive
1 Read archive entries
This call is used to perform miscellaneous user operations on archives.
SparkFS_User 0
=> R0 = 0 (Identify archive)
R1 = pointer to archive path
<= R0 = type
SparkFS_User 1
=> R0 = 1 (Read archive entries)
R1 = pointer to archive path i.e. path to archive file on external FS
R2 = pointer to buffer to write information to
R3 = number of objects to write
R4 = position in catalogue to start reading from
R5 = size of buffer
R6 = pointer to wild carded file name to match. Can be NULL to match all.
R7 = pointer to path to directory inside archive
<= R4 = position in catalogue to read from next
R3 = number of entries written to buffer
This is passed the path to an archive, and the path to a directory inside the archive. In addition a wildcarded filename can be used.
Operation is similar in concept to OS_GBPB 10.
Format of entries in SparkFS catalogue
Offset Purpose
0 load address
4 exec address
8 length ie. real uncompressed size
12 size ie. compressed size
16 header version loosely related to the compression method
20 attributes
24 object type 1=file, 2=directory
28 object name 0 terminated, padded with 0's to word boundary.
SparkFS archive types
Type Name of archive
1 Spark files (SPARK1)
2 Spark directories (SPARK2)
3 PK arc (PKARC)
4 Zip (ZIP)
5 Zoo (ZOO)
6 LZH (LZH)
7 Tar (TAR)
8 ArcFS (ARCFS)
9 ARJ (ARJ)
10 PackIt (PIT)
11 StuffIt (SIT)
12 StuffIt Deluxe (SITD)
13 SITSX (StuffIt self extracting)
14 Compactor (COMPAC)
15 Compactor self extracting (COMPACSX)
16 PackdDir (PACKD)
17 CAB (Microsoft)
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