Index: trunk/src/ht_subc.h
===================================================================
--- trunk/src/ht_subc.h	(revision 19472)
+++ trunk/src/ht_subc.h	(revision 19473)
@@ -4,7 +4,7 @@
 /* Hash: subcircuit -> pointer */
 
 /* hash instance */
-typedef const pcb_subc_t *htscp_key_t;
+typedef pcb_subc_t *htscp_key_t;
 typedef int htscp_value_t;
 #define HT(x) htscp_ ## x
 #include <genht/ht.h>
Index: trunk/src/obj_subc_hash.c
===================================================================
--- trunk/src/obj_subc_hash.c	(revision 19472)
+++ trunk/src/obj_subc_hash.c	(revision 19473)
@@ -37,7 +37,7 @@
 
 int pcb_subc_hash_ignore_uid = 0;
 
-int pcb_subc_eq(const pcb_subc_t *sc1, const pcb_subc_t *sc2)
+int pcb_subc_eq(pcb_subc_t *sc1, pcb_subc_t *sc2)
 {
 	pcb_host_trans_t tr1, tr2;
 	int lid;
@@ -110,7 +110,7 @@
 	return 1;
 }
 
-unsigned int pcb_subc_hash(const pcb_subc_t *sc)
+unsigned int pcb_subc_hash(pcb_subc_t *sc)
 {
 	unsigned int hash;
 	int lid;
Index: trunk/src/obj_subc_list.h
===================================================================
--- trunk/src/obj_subc_list.h	(revision 19472)
+++ trunk/src/obj_subc_list.h	(revision 19473)
@@ -50,11 +50,11 @@
 
 /* Calculate a hash value using the content of the subc. The hash value
    represents the actual content of an subc */
-unsigned int pcb_subc_hash(const pcb_subc_t *e);
+unsigned int pcb_subc_hash(pcb_subc_t *e);
 
 /* Compare two subcs and return 1 if they are qeual
    (their uids match and they contain the same objects). */
-int pcb_subc_eq(const pcb_subc_t *sc1, const pcb_subc_t *sc2);
+int pcb_subc_eq(pcb_subc_t *sc1, pcb_subc_t *sc2);
 
 /* Create a new local variable to be used for deduplication */
 #define pcb_subclist_dedup_initializer(state) htscp_t *state = NULL;