stable

lib/utils/ds/hashtable.c

@@ -2,11 +2,11 @@
 
 #define INIT_HASH_TABLE_SIZE (32)
 
-void hashtable_init(hash_table_t* ht) {
+void init_hashtable(hash_table_t* ht) {
     vector_init(ht->entries);
     ht->count = 0;
     ht->tombstone_count = 0;
-    Assert(ht->key_cmp != NULL && ht->hash_func != NULL);
+    // Assert(ht->key_cmp != NULL && ht->hash_func != NULL);
 }
 
 static int next_power_of_two(int n) {
@@ -127,3 +127,14 @@ void hashtable_destory(hash_table_t* ht) {
     ht->count = 0;
     ht->tombstone_count = 0;
 }
+
+void hashtable_foreach(hash_table_t* ht, hash_table_iter_func iter_func, void* context) {
+    for (rt_size_t i = 0; i < ht->entries.cap; i++) {
+        hash_entry_t* entry = &vector_at(ht->entries, i);
+        if (entry->state == ENTRY_ACTIVE) {
+            if (!iter_func(entry->key, entry->value, context)) {
+                break; // enable callback function terminal the iter
+            }
+        }
+    }
+}

lib/utils/ds/hashtable.h

@@ -1,6 +1,7 @@
 #ifndef __SMCC_HASHTABLE_H__
 #define __SMCC_HASHTABLE_H__
 
+#include <lib/core.h>
 #include <lib/rt/rt_alloc.h>
 #include "vector.h"
 
@@ -29,11 +30,14 @@ typedef struct hash_table {
 } hash_table_t;
 
 // WARN you need set hash_func and key_cmp before use
-void hashtable_init(hash_table_t* ht) ;
+void init_hashtable(hash_table_t* ht) ;
 
 void* hashtable_set(hash_table_t* ht, const void* key, void* value);
 void* hashtable_get(hash_table_t* ht, const void* key);
-void* hashtable_get(hash_table_t* ht, const void* key);
+void* hashtable_del(hash_table_t* ht, const void* key);
 void hashtable_destory(hash_table_t* ht);
 
+typedef int (*hash_table_iter_func)(const void* key, void* value, void* context);
+void hashtable_foreach(hash_table_t* ht, hash_table_iter_func iter_func, void* context);
+
 #endif // __SMCC_HASHTABLE_H__

lib/utils/ds/vector.h

@@ -15,7 +15,7 @@
     do { \
         (vec).size = 0, \
         (vec).cap = 0, \
-        (vec).data = NULL; \
+        (vec).data = 0; \
     } while(0)
 
 #define vector_push(vec, value) \