workbench/c/iprefs/trackdiskprefs.c

   1 #include <devices/trackdisk.h>
   2 #include <dos/dos.h>
   3 #include <prefs/trackdisk.h>
   4 #include <utility/tagitem.h>
   5 #include <proto/dos.h>
   6 #include <proto/exec.h>
   7
   8 #include "trackdiskprefs.h"
   9
  10 struct td_UnitPrefs TDPrefs[TD_NUMUNITS];
  11 struct IORequest TDIO;
  12
  13 void LoadPrefs(void)
  14 {
  15         BPTR cf;
  16         struct TagItem PrefsBuf;
  17         ULONG Unit;
  18
  19         cf = Open(TRACKDISK_PREFS_NAME, MODE_OLDFILE);
  20         if (cf) {
  21                 Unit = 0;
  22                 while (FRead(cf, &PrefsBuf, sizeof(PrefsBuf), 1)) {
  23                         if (PrefsBuf.ti_Tag == TDPR_UnitNum)
  24                                 Unit = PrefsBuf.ti_Data;
  25                         else {
  26                                 if (Unit < TD_NUMUNITS) {
  27                                         switch (PrefsBuf.ti_Tag)
  28                                         {
  29                                         case TDPR_PubFlags:
  30                                                 TDPrefs[Unit].PubFlags = PrefsBuf.ti_Data;
  31                                                 break;
  32                                         case TDPR_RetryCnt:
  33                                                 TDPrefs[Unit].RetryCnt = PrefsBuf.ti_Data;
  34                                                 break;
  35                                         }
  36                                 }
  37                         }
  38                         if (PrefsBuf.ti_Tag == TAG_DONE)
  39                                 break;
  40                 }
  41                 Close(cf);
  42         }
  43 }
  44
  45 void ReadTDPrefs(void)
  46 {
  47     int i;
  48     struct TDU_PublicUnit *tdu;
  49
  50     for (i = 0; i < TD_NUMUNITS; i++) {
  51         TDPrefs[i].PubFlags = 0;
  52         TDPrefs[i].RetryCnt = 3;
  53     }
  54     LoadPrefs();
  55     for (i = 0; i < TD_NUMUNITS; i++) {
  56         if (!OpenDevice("trackdisk.device", i, &TDIO, 0)) {
  57             tdu = (struct TDU_PublicUnit *)TDIO.io_Unit;
  58             tdu->tdu_PubFlags = TDPrefs[i].PubFlags;
  59             tdu->tdu_RetryCnt = TDPrefs[i].RetryCnt;
  60             CloseDevice(&TDIO);
  61         }
  62     }
  63 }