workbench/devs/AHI/Examples/Extras/CheckAHIPrefs/CheckAHIPrefs.c

   1
   2 /* Just a small example how to read the settings file. */
   3
   4 #include <devices/ahi.h>
   5 #include <dos/dos.h>
   6 #include <libraries/iffparse.h>
   7 #include <prefs/prefhdr.h>
   8
   9 #include <proto/dos.h>
  10 #include <proto/iffparse.h>
  11
  12 int main(int argc, char *argv[])
  13 {
  14   struct IFFHandle *iff;
  15   struct StoredProperty *ahig;
  16   struct CollectionItem *ci;
  17   LONG unit = 0;
  18   int rc = RETURN_OK;
  19
  20   if(argc != 3) {
  21     Printf("Usage: %s FILE UNIT\n", argv[0]);
  22     return RETURN_FAIL;
  23   }
  24
  25   StrToLong(argv[2], &unit);
  26
  27   if(iff = AllocIFF())
  28   {
  29     iff->iff_Stream = Open(argv[1], MODE_OLDFILE);
  30     if(iff->iff_Stream)
  31     {
  32       InitIFFasDOS(iff);
  33       if(!OpenIFF(iff, IFFF_READ))
  34       {
  35         if(!(PropChunk(iff,ID_PREF,ID_AHIG)
  36           || CollectionChunk(iff,ID_PREF,ID_AHIU)
  37           || StopOnExit(iff,ID_PREF,ID_FORM)))
  38         {
  39           if(ParseIFF(iff, IFFPARSE_SCAN) == IFFERR_EOC)
  40           {
  41
  42             ahig = FindProp(iff,ID_PREF,ID_AHIG);
  43             if(ahig)
  44             {
  45               struct AHIGlobalPrefs *globalprefs;
  46               globalprefs = (struct AHIGlobalPrefs *)ahig->sp_Data;
  47
  48               if(globalprefs->ahigp_DebugLevel != AHI_DEBUG_NONE)
  49               {
  50                 Printf("Debugging is turned on.\n");
  51                 rc = RETURN_WARN;
  52               }
  53             }
  54
  55             ci = FindCollection(iff,ID_PREF,ID_AHIU);
  56             while(ci)
  57             {
  58               struct AHIUnitPrefs *unitprefs;
  59               unitprefs = (struct AHIUnitPrefs *)ci->ci_Data;
  60
  61               if(unitprefs->ahiup_Unit == unit)
  62               {
  63                 if(unitprefs->ahiup_Channels < 2)
  64                 {
  65                   Printf("There are less than 2 channels selected for unit %ld.\n", unit);
  66                   rc = RETURN_WARN;
  67                 }
  68               }
  69               ci=ci->ci_Next;
  70             }
  71
  72           }
  73         }
  74         CloseIFF(iff);
  75       }
  76       Close(iff->iff_Stream);
  77     }
  78     FreeIFF(iff);
  79   }
  80
  81   return rc;
  82 }