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- /*
- File: ShowAllDriveQueueElements.c
-
- Contains: This subroutine scans the linked list of drive queue elements and displays
- information about each active drive.
-
- Written by: Martin Minow
-
- Copyright: Copyright © 1992-1999 by Apple Computer, Inc., All Rights Reserved.
-
- You may incorporate this Apple sample source code into your program(s) without
- restriction. This Apple sample source code has been provided "AS IS" and the
- responsibility for its operation is yours. You are not permitted to redistribute
- this Apple sample source code as "Apple sample source code" after having made
- changes. If you're going to re-distribute the source, we require that you make
- it clear in the source that the code was descended from Apple sample source
- code, but that you've made changes.
-
- Change History (most recent first):
- 7/14/1999 Karl Groethe Updated for Metrowerks Codewarror Pro 2.1
-
-
- */
- #include <stdio.h>
- #include <Files.h>
- #include <Devices.h>
-
- void ShowAllDriveQueueElements(void);
- void ShowOneDriveQueueElement(
- register DrvQEl *drvQElPtr
- );
- void ShowSCSIDeviceIdent(
- short driverRefNum
- );
-
- void
- ShowAllDriveQueueElements(void)
- {
- register DrvQEl *drvQElPtr;
- #define DQEL (*drvQElPtr)
-
- drvQElPtr = (DrvQEl *) GetDrvQHdr()->qHead;
- while (drvQElPtr != NULL) {
- ShowOneDriveQueueElement(drvQElPtr);
- drvQElPtr = (DrvQEl *) drvQElPtr->qLink;
- }
- #undef DQEL
- }
-
- void
- ShowOneDriveQueueElement(
- register DrvQEl *drvQElPtr
- )
- {
- #define DQEL (*drvQElPtr)
-
- printf("Drive %2d, driver %3d,", (int) DQEL.dQDrive, (int) DQEL.dQRefNum);
- switch (DQEL.qType) {
- case 0:
- printf(
- "%8lu blocks (small drive)",
- (unsigned long) DQEL.dQDrvSz
- );
- break;
- case 1:
- printf(
- "%8lu blocks (large drive)",
- ((unsigned long) DQEL.dQDrvSz)
- + (((unsigned long) DQEL.dQDrvSz2) * 0x10000L)
- );
- break;
- case 3:
- printf(
- "%8lu blocks (MFS present)",
- ((unsigned long) DQEL.dQDrvSz)
- );
- break;
- default:
- printf(
- "%lu %lu blocks (unknown queue type)",
- ((unsigned long) DQEL.dQDrvSz),
- ((unsigned long) DQEL.dQDrvSz2)
- );
- break;
- }
- ShowSCSIDeviceIdent(DQEL.dQRefNum);
- printf("\n");
- #undef DQEL
- }
-
-