Merge branch '1.3'

[jansson.git] / src / hashtable.h

diff --git a/src/hashtable.h b/src/hashtable.h
index d01b7e7..aba5134 100644 (file)
--- a/src/hashtable.h
+++ b/src/hashtable.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Petri Lehtinen <petri@digip.org>
+ * Copyright (c) 2009, 2010 Petri Lehtinen <petri@digip.org>
  *
  * This library is free software; you can redistribute it and/or modify
  * it under the terms of the MIT license. See LICENSE for details.
@@ -8,19 +8,19 @@
 #ifndef HASHTABLE_H
 #define HASHTABLE_H
 
-typedef unsigned int (*key_hash_fn)(const void *key);
+typedef size_t (*key_hash_fn)(const void *key);
 typedef int (*key_cmp_fn)(const void *key1, const void *key2);
 typedef void (*free_fn)(void *key);
 
 struct hashtable_list {
-  struct hashtable_list *prev;
-  struct hashtable_list *next;
+    struct hashtable_list *prev;
+    struct hashtable_list *next;
 };
 
 struct hashtable_pair {
     void *key;
     void *value;
-    unsigned int hash;
+    size_t hash;
     struct hashtable_list list;
 };
 
@@ -30,9 +30,9 @@ struct hashtable_bucket {
 };
 
 typedef struct hashtable {
-    unsigned int size;
+    size_t size;
     struct hashtable_bucket *buckets;
-    unsigned int num_buckets;  /* index to primes[] */
+    size_t num_buckets;  /* index to primes[] */
     struct hashtable_list list;
 
     key_hash_fn hash_key;
@@ -161,6 +161,17 @@ void hashtable_clear(hashtable_t *hashtable);
 void *hashtable_iter(hashtable_t *hashtable);
 
 /**
+ * hashtable_iter_at - Return an iterator at a specific key
+ *
+ * @hashtable: The hashtable object
+ * @key: The key that the iterator should point to
+ *
+ * Like hashtable_iter() but returns an iterator pointing to a
+ * specific key.
+ */
+void *hashtable_iter_at(hashtable_t *hashtable, const void *key);
+
+/**
  * hashtable_iter_next - Advance an iterator
  *
  * @hashtable: The hashtable object
@@ -185,4 +196,12 @@ void *hashtable_iter_key(void *iter);
  */
 void *hashtable_iter_value(void *iter);
 
+/**
+ * hashtable_iter_set - Set the value pointed by an iterator
+ *
+ * @iter: The iterator
+ * @value: The value to set
+ */
+void hashtable_iter_set(hashtable_t *hashtable, void *iter, void *value);
+
 #endif