Add iterators

expat/xmlparse/hashtable.c

@@ -87,3 +87,20 @@ void hashTableInit(HASH_TABLE *p)
   p->used = 0;
   p->v = 0;
 }
+
+void hashTableIterInit(HASH_TABLE_ITER *iter, const HASH_TABLE *table)
+{
+  iter->p = table->v;
+  iter->end = iter->p + table->size;
+}
+
+NAMED *hashTableIterNext(HASH_TABLE_ITER *iter)
+{
+  while (iter->p != iter->end) {
+    NAMED *tem = *(iter->p)++;
+    if (tem)
+      return tem;
+  }
+  return 0;
+}
+

expat/xmlparse/hashtable.h

@@ -16,3 +16,10 @@ NAMED *lookup(HASH_TABLE *table, const char *name, size_t createSize);
 void hashTableInit(HASH_TABLE *);
 void hashTableDestroy(HASH_TABLE *);
 
+typedef struct {
+  NAMED **p;
+  NAMED **end;
+} HASH_TABLE_ITER;
+
+void hashTableIterInit(HASH_TABLE_ITER *, const HASH_TABLE *);
+NAMED *hashTableIterNext(HASH_TABLE_ITER *);