# 使用GDB與Valgrind進行debug ###### tags: `code` `C` `debug` ###### 撰寫時間 : 2021/08/27 ## 教學文章與影片 - 文章 [How do I use valgrind to find memory leaks?](https://stackoverflow.com/questions/5134891/how-do-i-use-valgrind-to-find-memory-leaks) - 影片 [Using Valgrind and GDB together to fix a segfault and memory leak](https://www.youtube.com/watch?v=8JEEYwdrexc) ## 案例 在建構時向`heap`區申請空間,卻沒有在構析函數時釋放 ``` g++ -o main -Wall -ggdb3 main.cpp valgrind --leak-check=full ./main ``` 此時`terminal`可顯示可能出錯在第幾行。  完成`debug`後 ``` file main ``` 結尾出現`..., with debug_info, not stripped` 在輸入以剝掉一些符號和除錯訊息。 ``` strip hw26 ```
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