Legacy Document

Inside Macintosh: Devices /

Chapter 2 - Slot Manager / Slot Manager Reference

Low-Level Routines /

SSearchSRT

This function is used only by the Macintosh Operating System.

FUNCTION SSearchSRT (spBlkPtr: SpBlockPtr): OSErr;

spBlkPtr

A pointer to a Slot Manager parameter block.

<--	spsPointer	Ptr	A pointer to a record in the slot resource table.
-->	spID	SignedByte	The ID of the sResource entry.
-->	spExtDev	SignedByte	The external device identifier.
-->	spSlot	SignedByte	The slot.
-->	spFlags	SignedByte	Flags.

DESCRIPTION

The SSearchSRT function searches the slot resource table for the record corresponding to the sResource in slot spSlot with list spId and external device identifier spExtDev, and returns a pointer to it in spsPointer. If the fCkForNext bit of spFlags is 0, the function searches for the specified record; if the flag is 1, it searches for the next record.

ASSEMBLY-LANGUAGE INFORMATION

The trap macro and routine selector for the SSearchSRT function are

Trap macro	Selector
_SlotManager	$002A

On entry, register D0 contains the routine selector and register A0 contains the address of the Slot Manager parameter block. When _SlotManager returns, register D0 contains the result code.

Registers on entry
A0	Address of the parameter block
D0	$002A

Registers on exit
D0	Result code

RESULT CODES

noErr	0	No error
smNoMoresRsrcs	-344	Requested sResource not found
smRecNotFnd	-351	Record not found in the slot resource table