add type string_t

src/common_define.h

@@ -169,6 +169,12 @@ typedef struct
 	int length;
 } BufferInfo;
 
+typedef struct
+{
+    char *str;
+    int len;
+} string_t;
+
 typedef void (*FreeDataFunc)(void *ptr);
 typedef int (*CompareFunc)(void *p1, void *p2);
 typedef void* (*MallocFunc)(size_t size);

src/hash.c

@@ -137,6 +137,7 @@ int hash_set_locks(HashArray *pHash, const int lock_count)
 		return EINVAL;
 	}
 
+    //do NOT support rehash
 	if (pHash->load_factor >= 0.10)
 	{
 		return EINVAL;

src/hash.h

@@ -103,7 +103,7 @@ typedef int (*HashWalkFunc)(const int index, const HashData *data, void *args);
  *         pHash: the hash table
  *         hash_func: hash function
  *         capacity: init capacity
- *         load_factor: hash load factor, such as 0.75
+ *         load_factor: hash load factor (or watermark), >= 0.10 for auto rehash. eg. 0.75
  *         max_bytes:  max memory can be used (bytes)
  *         bMallocValue: if need malloc value buffer
  * return 0 for success, != 0 for error