How Can I Get the Executable's Path Cross-Platform?

Obtaining Executable's Path in a Cross-Platform Manner

Finding a cross-platform solution to retrieve the current executable's path can be a multifaceted challenge.

Despite initial assumptions, boost::filesystem::initial_path only addresses the platform-independent aspect, not the path from which the executable was invoked.

Unfortunately, there exists no universal solution across all platforms. However, specific approaches can be employed depending on the underlying operating system:

Linux:

• Utilize std::filesystem::canonical with "/proc/self/exe" as the argument.
• Alternatively, use readlink() to achieve the same result.

Windows:

• Pass a NULL value as the module handle to the GetModuleFileName function. This should provide the absolute path to the executable.

By leveraging these platform-specific methods, you can retrieve the necessary path information for applications such as Very Sleepy and Visual Studio, ensuring proper configuration and debugging functionality.

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