diff -up cups-1.5.2/backend/snmp-supplies.c.snmp-quirks cups-1.5.2/backend/snmp-supplies.c

--- cups-1.5.2/backend/snmp-supplies.c.snmp-quirks	2011-10-07 23:41:07.000000000 +0200

+++ cups-1.5.2/backend/snmp-supplies.c	2012-02-06 10:48:47.543906526 +0100

@@ -47,6 +47,13 @@

 /*

+ * Printer quirks...

+ */

+

+#define QUIRK_CAPACITY	(1<<0)

+

+

+/*

  * Local structures...

  */

@@ -66,6 +73,12 @@ typedef struct				/**** Printer state ta

   const char	*keyword;		/* IPP printer-state-reasons keyword */

 } backend_state_t;

+typedef struct				/**** Quirk names table ****/

+{

+  int		bit;			/* Quirk bit */

+  const char	*keyword;		/* cupsSNMPQuirks keyword */

+} quirk_name_t;

+

 /*

  * Local globals...

@@ -77,6 +90,7 @@ static int		current_state = -1;

 static int		charset = -1;	/* Character set for supply names */

 static int		num_supplies = 0;

 					/* Number of supplies found */

+static int		quirks = 0;	/* Printer quirks */

 static backend_supplies_t supplies[CUPS_MAX_SUPPLIES];

 					/* Supply information */

 static int		supply_state = -1;

@@ -176,6 +190,15 @@ static const backend_state_t const suppl

 			  { CUPS_TONER_EMPTY, "toner-empty-warning" }

 			};

+static const quirk_name_t const quirk_names[] =

+			{

+			 /*

+			  * The prtMarkerSuppliesLevel values are

+			  * percentages, not levels relative to the

+			  * stated capacity.

+			  */

+			  { QUIRK_CAPACITY, "capacity" }

+			};

 /*

  * Local functions...

@@ -229,6 +252,9 @@ backendSNMPSupplies(

     for (i = 0, ptr = value; i < num_supplies; i ++, ptr += strlen(ptr))

     {

+      if (quirks & QUIRK_CAPACITY)

+	supplies[i].max_capacity = 100;

+

       if (supplies[i].max_capacity > 0 && supplies[i].level >= 0)

 	percent = 100 * supplies[i].level / supplies[i].max_capacity;

       else

@@ -401,6 +427,7 @@ backend_init_supplies(

     http_addr_t *addr)			/* I - Printer address */

 {

   int		i,			/* Looping var */

+		len,			/* Quirk name length */

 		type;			/* Current marker type */

   cups_file_t	*cachefile;		/* Cache file */

   const char	*cachedir;		/* CUPS_CACHEDIR value */

@@ -462,6 +489,7 @@ backend_init_supplies(

   current_state = -1;

   num_supplies  = -1;

   charset       = -1;

+  quirks	= 0;

   memset(supplies, 0, sizeof(supplies));

@@ -477,6 +505,34 @@ backend_init_supplies(

     return;

   }

+  if (ppd &&

+      (ppdattr = ppdFindAttr(ppd, "cupsSNMPQuirks", NULL)) != NULL &&

+      ppdattr->value)

+  {

+    ptr = ppdattr->value;

+    while (*ptr != '\0')

+    {

+     /*

+      * Match keyword against quirk_names table.

+      */

+

+      for (i = 0; i < sizeof (quirk_names) / sizeof (quirk_names[0]); i++)

+      {

+	len = strlen (quirk_names[i].keyword);

+	if (!strncmp (ptr, quirk_names[i].keyword, len) &&

+	    (ptr[len] == '\0' || ptr[len] == ' '))

+	  quirks |= quirk_names[i].bit;

+      }

+

+     /*

+      * Advance to next keyword.

+      */

+

+      ptr += strcspn (ptr, " ");

+      ptr += strspn (ptr, " ");

+    }

+  }

+

   ppdClose(ppd);

  /*