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Plugins/MqttClient/Source/DTMqtt/MqttC/Heap.h

@@ -0,0 +1,75 @@
+// Copyright 2023 Dexter.Wan. All Rights Reserved. 
+// EMail: 45141961@qq.com
+
+#if !defined(HEAP_H)
+#define HEAP_H
+
+#if defined(HIGH_PERFORMANCE)
+#define NO_HEAP_TRACKING 1
+#endif
+
+#define PAHO_MEMORY_ERROR -99
+
+#include "MQTTExportDeclarations.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if !defined(NO_HEAP_TRACKING)
+
+#if !defined(TREE_C)
+/**
+ * redefines malloc to use "mymalloc" so that heap allocation can be tracked
+ * @param x the size of the item to be allocated
+ * @return the pointer to the item allocated, or NULL
+ */
+#define malloc(x) mymalloc(__FILE__, __LINE__, x)
+
+/**
+ * redefines realloc to use "myrealloc" so that heap allocation can be tracked
+ * @param a the heap item to be reallocated
+ * @param b the new size of the item
+ * @return the new pointer to the heap item
+ */
+#define realloc(a, b) myrealloc(__FILE__, __LINE__, a, b)
+
+/**
+ * redefines free to use "myfree" so that heap allocation can be tracked
+ * @param x the pointer to the item to be freed
+ */
+#define free(x) myfree(__FILE__, __LINE__, x)
+
+#endif
+
+/**
+ * Information about the state of the heap.
+ */
+typedef struct
+{
+	size_t current_size;	/**< current size of the heap in bytes */
+	size_t max_size;		/**< max size the heap has reached in bytes */
+} heap_info;
+
+#if defined(__cplusplus)
+ extern "C" {
+#endif
+
+void* mymalloc(char*, int, size_t size);
+void* myrealloc(char*, int, void* p, size_t size);
+void myfree(char*, int, void* p);
+
+void Heap_scan(FILE* file);
+int Heap_initialize(void);
+void Heap_terminate(void);
+LIBMQTT_API heap_info* Heap_get_info(void);
+int HeapDump(FILE* file);
+int HeapDumpString(FILE* file, char* str);
+void* Heap_findItem(void* p);
+void Heap_unlink(char* file, int line, void* p);
+#ifdef __cplusplus
+     }
+#endif
+
+#endif
+
+#endif