堆不是最大堆就是最小堆，直接对外拆分成两套接口

README.md

@@ -79,5 +79,18 @@ unicstl_stack_v1.2.5_20240717-a0.zip
 # 带a或者b后缀，表示当前版本发布前的测试版。如果发布后，则直接更新版本号了
 ```
 
-## 更新日志
+## 修改日志
 
+### Unicstl 0.0.01 (2025-04-24)
+new features:
+    - add stack
+    - add queue
+    - add deque
+    - add list
+    - add heap
+    - add tree
+    - add graph
+bugfixed: 
+    - none
+others:
+    - none

demo/demo_heap.c

@@ -20,14 +20,10 @@ void demo_heap_num(void)
     int temp = 0;
     uint32_t len = sizeof(data) / sizeof(data[0]);
 
-    heap_t heap = heap_new2(sizeof(int), 64);
+    heap_t heap = heap_min_new2(sizeof(int), 64);
     heap->print_obj = print_num;
     heap->compare = compare_num;
 
-    // default: maxheap
-    // maxheap or minheap
-    heap->setmin(heap, true);
-
     printf("\n\n----- demo_heap_num -----\n");
 
     printf("----- push -----\n");
@@ -90,7 +86,7 @@ static void demo_heap_struct(void)
     struct _student temp = {0};
     uint32_t len = sizeof(data) / sizeof(data[0]);
 
-    heap_t heap = heap_new2(sizeof(struct _student), 64);
+    heap_t heap = heap_min_new2(sizeof(struct _student), 64);
     heap->print_obj = print_struct;
     heap->compare = compare_struct;
 

include/heap.h

@@ -1,64 +1,73 @@
 /**
  * @file heap.h
  * @author wenjf (Orig5826@163.com)
- * @brief 
+ * @brief
  * @version 0.1
  * @date 2024-07-03
- * 
+ *
  * @copyright Copyright (c) 2024
- * 
+ *
  */
 #ifndef _HEAP_H_
 #define _HEAP_H_
 
 #include "common.h"
 
+typedef enum
+{
+    MIN_HEAP = 0, 
+    MAX_HEAP = 1,
+}heap_type;
+
 struct _heap
 {
-    void * obj;
+    // -------------------- private -------------------- 
+    void* obj;
 
     uint32_t _size;
     uint32_t _obj_size;
     uint32_t _capacity;
     uint32_t _ratio;
 
+    heap_type _type;
     bool _min_flag;
 
+    void (*destory)(struct _heap* self);
+
+    // -------------------- public -------------------- 
     // kernel
     bool (*peek)(struct _heap* self, void* obj);
     bool (*push)(struct _heap* self, void* obj);
     bool (*pop)(struct _heap* self, void* obj);
+    bool (*empty)(struct _heap* self);
 
     // default: max heap
     void (*setmin)(struct _heap* self, bool min_flag);
 
     // base
     uint32_t(*size)(struct _heap* self);
-    bool (*empty)(struct _heap* self);
+    bool (*clear)(struct _heap* self);
-
+    
     /**
      * @brief obj compare with obj2
-     * 
+     *
      * @return
      *      obj < obj2 return -1
      *      obj == obj2 return 0
      *      obj > obj2 return 1
      */
     int (*compare)(void* obj, void* obj2);
-
+    
-    // others
+    // -------------------- debug -------------------- 
-    bool (*clear)(struct _heap* self);
-    void (*destory)(struct _heap* self);
-
-    // print
     void (*print)(struct _heap* self);
     void (*print_obj)(void* obj);
 };
 typedef struct _heap* heap_t;
 
 // create and free heap
-heap_t heap_new2(uint32_t obj_size, uint32_t capacity);
+heap_t heap_max_new2(uint32_t obj_size, uint32_t capacity);
+heap_t heap_min_new2(uint32_t obj_size, uint32_t capacity);
 
 void heap_free(heap_t* heap);
- 
+
 #endif  // _HEAP_H_

src/heap.c

@@ -247,42 +247,72 @@ static bool heap_init2(struct _heap* self, uint32_t obj_size, uint32_t capacity)
 {
     assert(self != NULL);
 
-    // 1. set attr
+    // -------------------- private -------------------- 
     self->_obj_size = obj_size;
     self->_size = 0;
     self->_capacity = capacity;
     self->_ratio = 2;
 
-    self->peek = heap_peek;
-    self->push = heap_push;
-    self->pop = heap_pop;
-    self->size = heap_size;
-    self->empty = heap_empty;
-    self->clear = heap_clear;
-    self->destory = heap_destory;
-    self->setmin = heap_setmin;
-    self->print = heap_print;
-
     self->obj = (void*)malloc(self->_capacity * self->_obj_size);
     if(self->obj == NULL)
     {
         return false;
     }
+
+    self->destory = heap_destory;
+    
+    // -------------------- public -------------------- 
+    // kernel
+    self->peek = heap_peek;
+    self->push = heap_push;
+    self->pop = heap_pop;
+    self->empty = heap_empty;
+
+    // base
+    self->size = heap_size;
+    self->clear = heap_clear;
+    
+    // -------------------- debug -------------------- 
+    self->setmin = heap_setmin;
+    self->print = heap_print;
     return true;
 }
 
-heap_t heap_new2(uint32_t obj_size, uint32_t capacity)
+heap_t heap_max_new2(uint32_t obj_size, uint32_t capacity)
 {
     heap_t heap = NULL;
     heap = (struct _heap*)malloc(sizeof(struct _heap));
-    if(heap != NULL)
+    if(heap == NULL)
     {
-        if(heap_init2(heap, obj_size, capacity) != true)
+        return NULL;
-        {
-            free(heap);
-            heap = NULL;
-        }
     }
+
+    if(heap_init2(heap, obj_size, capacity) != true)
+    {
+        free(heap);
+        return NULL;
+    }
+
+    heap->_min_flag = false;
+    return heap;
+}
+
+heap_t heap_min_new2(uint32_t obj_size, uint32_t capacity)
+{
+    heap_t heap = NULL;
+    heap = (struct _heap*)malloc(sizeof(struct _heap));
+    if(heap == NULL)
+    {
+        return NULL;
+    }
+
+    if(heap_init2(heap, obj_size, capacity) != true)
+    {
+        free(heap);
+        return NULL;
+    }
+
+    heap->_min_flag = true;
     return heap;
 }
 

test/test_heap.c

@@ -46,15 +46,11 @@ static void test_heap_num(void)
     int temp = 0;
     uint32_t len = sizeof(data) / sizeof(data[0]);
 
-    heap_t heap = heap_new2(sizeof(int), 64);
+    heap_t heap = heap_min_new2(sizeof(int), 64);
     TEST_ASSERT_NOT_NULL(heap);
     heap->print_obj = print_num;
     heap->compare = compare_num;
 
-    // default: maxheap
-    // maxheap or minheap
-    heap->setmin(heap, true);
-
     for (i = 0; i < len; i++)
     {
         temp = data[i];
@@ -93,15 +89,11 @@ static void test_heap_struct(void)
     struct _student temp = {0};
     uint32_t len = sizeof(data) / sizeof(data[0]);
 
-    heap_t heap = heap_new2(sizeof(struct _student), 64);
+    heap_t heap = heap_min_new2(sizeof(struct _student), 64);
     TEST_ASSERT_NOT_NULL(heap);
     heap->print_obj = print_struct;
     heap->compare = compare_struct;
 
-    // default: maxheap
-    // maxheap or minheap
-    heap->setmin(heap, true);
-
     for (i = 0; i < len; i++)
     {
         temp = data[i];