--- canon.i950.c	2007-07-30 14:28:44.000000000 -0700
+++ canon.no_hardcoded_num_models.c	2007-07-30 14:53:31.000000000 -0700
@@ -59,8 +59,6 @@
 static void decodeCIR(char *s, levelTab lt);
 
 /* IMPORTANT NOTE: the number of cartridges is to be confirmed for each type */
-/* Must modify MAX_NUMBER_OF_MODELS each time you touch to existingPrinters */
-#define MAX_NUMBER_OF_MODELS 22
 
 struct
 { char *model; /* The model identifier */
@@ -69,7 +67,7 @@
     unsigned char numberOfColors;
     char cartridgeTypes[10];
   } chdTypes[4];
-} existingPrinters [MAX_NUMBER_OF_MODELS] =
+} existingPrinters [] =
   {
     {"iP1000",
      {{"BK",1,{CARTRIDGE_BLACK}},
@@ -192,6 +190,8 @@
       {NULL,RESPONSE_INVALID,{}}}}
 };
 
+const int MAX_NUMBER_OF_MODELS = sizeof(existingPrinters) / sizeof(existingPrinters[0]);
+
 /* Some Canon printers give a binary ink level indicator :
   LOW (attributed to 20% remaining) or not LOW, 100% remaining.
   Some other printers give more precise indicator, 40 or 70% remaining. */