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Amiga MA Magazine 1998 #6
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amigamamagazinepolishissue1998.iso
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jËzyki_programowania
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e_v3.2a
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rkrmsrc
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get_filesys.e
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1977-12-31
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-> Get_Filesys.e - Example of examining the FileSysRes list
OPT PREPROCESS
MODULE 'exec/lists',
'exec/nodes',
'resources/filesysres'
DEF filesysresbase:PTR TO filesysresource
PROC main()
DEF fse:PTR TO filesysentry, x
-> NOTE - you should actually be in a Forbid while accessing any system list
-> for which no other method of arbitration is available. However, for this
-> example we will be printing the information (which would break a Forbid
-> anyway) so we won't Forbid. In real life, you should Forbid, copy the
-> information you need, Permit, then print the info.
IF NIL=(filesysresbase:=OpenResource(FSRNAME))
WriteF('Cannot open \s\n', FSRNAME)
ELSE
fse:=filesysresbase.filesysentries.head
WHILE fse.ln.succ
-> An A3000 running V34 does not have the name field filled in.
-> An A2000 running V34 with an A590/2091 controller also does not have
-> the name field filled in.
IF fse.ln.name THEN WriteF('Found filesystem creator: \s\n', fse.ln.name)
WriteF(' DosType: ')
FOR x:=24 TO 8 STEP -8 DO Out(stdout, Shr(fse.dostype,x) AND $FF)
Out(stdout, (fse.dostype AND $FF)+$30)
WriteF('\n Version: \d', Shr(fse.version, 16))
WriteF('.\d\n\n', fse.version AND $FFFF)
fse:=fse.ln.succ
ENDWHILE
ENDIF
ENDPROC