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 "global.h"
   9 #include "trackdiskprefs.h"
  10
  11 struct td_UnitPrefs TDPrefs[TD_NUMUNITS];
  12 struct IORequest TDIO;
  13
  14 void LoadPrefs(void)
  15 {
  16         BPTR cf;
  17         ULONG PrefsBuf[2];
  18         ULONG Unit;
  19
  20         cf = Open(TRACKDISK_PREFS_NAME, MODE_OLDFILE);
  21         if (cf) {
  22                 Unit = 0;
  23                 while (FRead(cf, &PrefsBuf, sizeof(PrefsBuf), 1)) {
  24
  25                         if (PrefsBuf[0] == TDPR_UnitNum)
  26                                 Unit = PrefsBuf[1];
  27                         else {
  28                                 if (Unit < TD_NUMUNITS) {
  29                                         switch (PrefsBuf[0])
  30                                         {
  31                                         case TDPR_PubFlags:
  32                                                 TDPrefs[Unit].PubFlags = PrefsBuf[1];
  33                                                 break;
  34                                         case TDPR_RetryCnt:
  35                                                 TDPrefs[Unit].RetryCnt = PrefsBuf[1];
  36                                                 break;
  37                                         }
  38                                 }
  39                         }
  40                         if (PrefsBuf[0] == TAG_DONE)
  41                                 break;
  42                 }
  43                 Close(cf);
  44         }
  45 }
  46
  47 void ReadTDPrefs(void)
  48 {
  49     int i;
  50     struct TDU_PublicUnit *tdu;
  51
  52     for (i = 0; i < TD_NUMUNITS; i++) {
  53         TDPrefs[i].PubFlags = 0;
  54         TDPrefs[i].RetryCnt = 3;
  55     }
  56     LoadPrefs();
  57     for (i = 0; i < TD_NUMUNITS; i++) {
  58         if (!OpenDevice("trackdisk.device", i, &TDIO, 0)) {
  59             tdu = (struct TDU_PublicUnit *)TDIO.io_Unit;
  60             tdu->tdu_PubFlags = TDPrefs[i].PubFlags;
  61             tdu->tdu_RetryCnt = TDPrefs[i].RetryCnt;
  62             CloseDevice(&TDIO);
  63         }
  64     }
  65 }