Dict const correctness

1 files changed, 9 insertions, 7 deletions

diff --git a/dict.h b/dict.h
index 27dc7bf..b2a3ffe 100644
--- a/dict.h
+++ b/dict.h
@@ -4,19 +4,21 @@
 
 typedef struct dict Dict;
 
-extern Dict *dict_init(unsigned int (*key2hash) (void *),
-			      int (*key_cmp) (void *, void *));
+extern Dict *dict_init(unsigned int (*key2hash) (const void *),
+		       int (*key_cmp) (const void *, const void *));
 extern void dict_clear(Dict *d);
 extern int dict_enter(Dict *d, void *key, void *value);
-extern void *dict_find_entry(Dict *d, void *key);
+extern void *dict_find_entry(Dict *d, const void *key);
 extern void dict_apply_to_all(Dict *d,
 			      void (*func) (void *key, void *value, void *data),
 			      void *data);
 
-extern unsigned int dict_key2hash_string(void *key);
-extern int dict_key_cmp_string(void *key1, void *key2);
-extern unsigned int dict_key2hash_int(void *key);
-extern int dict_key_cmp_int(void *key1, void *key2);
+extern unsigned int dict_key2hash_string(const void *key);
+extern int dict_key_cmp_string(const void *key1, const void *key2);
+
+extern unsigned int dict_key2hash_int(const void *key);
+extern int dict_key_cmp_int(const void *key1, const void *key2);
+
 extern Dict * dict_clone(Dict *old, void * (*key_clone)(void*), void * (*value_clone)(void*));
 extern Dict * dict_clone2(Dict * old,
 			  void * (* key_clone)(void * key, void * data),