检测并避免 复制父目录到子目录

[Doekin]

你在什么场景下需要该功能？

当文件结构如下时

.
└── ParentDir
    └── SubDir

调用tb_directory_copy("./ParentDir", "./ParentDir/SubDir",TB_FILE_COPY_NONE) ，会 coredump，并产生 ParentDir/SubDir/SubDir/SubDir/SubDir/SubDir/... 的结构

描述可能的解决方案

当路径参数有问题，会形成循环时，tb_directory_copy 返回 false

[Issues-translate-bot]

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Title: Detect and avoid copying parent directory to subdirectory

In what scenario do you need this function?

When the file structure is as follows

.
└── ParentDir
    └── SubDir

Calling tb_directory_copy("./ParentDir", "./ParentDir/SubDir",TB_FILE_COPY_NONE) will coredump and generate the structure of ParentDir/SubDir/SubDir/SubDir/SubDir/SubDir/...

Describe possible solutions

When there is a problem with the path parameters and a loop is formed, tb_directory_copy returns false

[waruqi]

这种你自己在外面检测下就好了，这边只提供最基础的跨平台实现，有些复杂的参数有效性检测，你外面自己也能做。。

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Just do the testing yourself outside. Here we only provide the most basic cross-platform implementation. You can also do some complex parameter validity testing outside. .

[Doekin]

OK