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Disks.h
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上传日期：2015-12-05
资源大小：22823k
文件大小：5k
源码类别：

多媒体编程

开发平台：

Visual C++

Disks.h：源码内容
  1. /*
  2.      File:       Disks.h
  3.  
  4.      Contains:   Disk Driver Interfaces.
  5.  
  6.      Version:    Technology: System 7.5
  7.                  Release:    QuickTime 6.0.2
  8.  
  9.      Copyright:  (c) 1985-2001 by Apple Computer, Inc., all rights reserved
  10.  
  11.      Bugs?:      For bug reports, consult the following page on
  12.                  the World Wide Web:
  13.  
  14.                      http://developer.apple.com/bugreporter/
  15.  
  16. */
  17. #ifndef __DISKS__
  18. #define __DISKS__
  20. #ifndef __MACTYPES__
  21. #include "MacTypes.h"
  22. #endif
  24. #ifndef __OSUTILS__
  25. #include "OSUtils.h"
  26. #endif
  31. #if PRAGMA_ONCE
  32. #pragma once
  33. #endif
  35. #ifdef __cplusplus
  36. extern "C" {
  37. #endif
  39. #if PRAGMA_IMPORT
  40. #pragma import on
  41. #endif
  43. #if PRAGMA_STRUCT_ALIGN
  44.     #pragma options align=mac68k
  45. #elif PRAGMA_STRUCT_PACKPUSH
  46.     #pragma pack(push, 2)
  47. #elif PRAGMA_STRUCT_PACK
  48.     #pragma pack(2)
  49. #endif
  51. enum {
  52.     sony                        = 0,
  53.     hard20                      = 1
  54. };
  56. /* Disk Driver Status csCodes */
  57. enum {
  58.     kReturnFormatList           = 6,                            /* .Sony */
  59.     kDriveStatus                = 8,
  60.     kMFMStatus                  = 10
  61. };
  63. /* Disk Driver Control csCodes */
  64. enum {
  65.     kVerify                     = 5,
  66.     kFormat                     = 6,
  67.     kEject                      = 7,
  68.     kSetTagBuffer               = 8,                            /* .Sony */
  69.     kTrackCache                 = 9,                            /* .Sony */
  70.     kDriveIcon                  = 21,
  71.     kMediaIcon                  = 22,
  72.     kDriveInfo                  = 23,
  73.     kRawTrack                   = 18244                         /* .Sony: "diagnostic" raw track dump */
  74. };
  76. /*
  77.     Note:
  79.     qLink is usually the first field in queues, but back in the MacPlus
  80.     days, the DrvSts record needed to be expanded.  In order to do this without
  81.     breaking disk drivers that already added stuff to the end, the fields
  82.     where added to the beginning.  This was originally done in assembly language
  83.     and the record was defined to start at a negative offset, so that the qLink
  84.     field would end up at offset zero.  When the C and pascal interfaces where
  85.     made, they could not support negative record offsets, so qLink was no longer
  86.     the first field.  Universal Interfaces are auto generated and don't support
  87.     negative offsets for any language, so DrvSts in Disks.a has qLinks at a
  88.     none zero offset.  Assembly code which switches to Universal Interfaces will
  89.     need to compensate for that.
  91. */
  94. struct DrvSts {
  95.     short                           track;                      /* current track */
  96.     char                            writeProt;                  /* bit 7 = 1 if volume is locked */
  97.     char                            diskInPlace;                /* disk in drive */
  98.     char                            installed;                  /* drive installed */
  99.     char                            sides;                      /* -1 for 2-sided, 0 for 1-sided */
  100.     QElemPtr                        qLink;                      /* next queue entry */
  101.     short                           qType;                      /* 1 for HD20 */
  102.     short                           dQDrive;                    /* drive number */
  103.     short                           dQRefNum;                   /* driver reference number */
  104.     short                           dQFSID;                     /* file system ID */
  105.     char                            twoSideFmt;                 /* after 1st rd/wrt: 0=1 side, -1=2 side */
  106.     char                            needsFlush;                 /* -1 for MacPlus drive */
  107.     short                           diskErrs;                   /* soft error count */
  108. };
  109. typedef struct DrvSts                   DrvSts;
  111. struct DrvSts2 {
  112.     short                           track;
  113.     char                            writeProt;
  114.     char                            diskInPlace;
  115.     char                            installed;
  116.     char                            sides;
  117.     QElemPtr                        qLink;
  118.     short                           qType;
  119.     short                           dQDrive;
  120.     short                           dQRefNum;
  121.     short                           dQFSID;
  122.     short                           driveSize;
  123.     short                           driveS1;
  124.     short                           driveType;
  125.     short                           driveManf;
  126.     short                           driveChar;
  127.     char                            driveMisc;
  128. };
  129. typedef struct DrvSts2                  DrvSts2;
  130. enum {
  131.     kdqManualEjectBit           = 5
  132. };
  134. #if CALL_NOT_IN_CARBON
  135. #if CALL_NOT_IN_CARBON
  136. EXTERN_API( OSErr )
  137. DiskEject                       (short                  drvNum);
  139. EXTERN_API( OSErr )
  140. SetTagBuffer                    (void *                 buffPtr);
  142. EXTERN_API( OSErr )
  143. DriveStatus                     (short                  drvNum,
  144.                                  DrvSts *               status);
  146. #endif  /* CALL_NOT_IN_CARBON */
  148. #endif  /* CALL_NOT_IN_CARBON */
  151. #if PRAGMA_STRUCT_ALIGN
  152.     #pragma options align=reset
  153. #elif PRAGMA_STRUCT_PACKPUSH
  154.     #pragma pack(pop)
  155. #elif PRAGMA_STRUCT_PACK
  156.     #pragma pack()
  157. #endif
  159. #ifdef PRAGMA_IMPORT_OFF
  160. #pragma import off
  161. #elif PRAGMA_IMPORT
  162. #pragma import reset
  163. #endif
  165. #ifdef __cplusplus
  166. }
  167. #endif
  169. #endif /* __DISKS__ */