Function getProgramPath

src/EnergyPlus/FileSystem.cc:203–228

    }

    fs::path getProgramPath()
    {
        // /*
        // * Returns the relative path to the executable file (including symlinks).
        // *
        // * To resolve symlinks, wrap this call in getAbsolutePath().
        // */
        char executableRelativePath[1024] = {'\0'};

#ifdef __APPLE__
        uint32_t pathSize = sizeof(executableRelativePath);
        _NSGetExecutablePath(executableRelativePath, &pathSize);
#elif __linux__
        ssize_t len = readlink("/proc/self/exe", executableRelativePath, sizeof(executableRelativePath) - 1);
        if (len == -1) {
            std::cout << "ERROR: Unable to locate executable." << std::endl;
            std::exit(EXIT_FAILURE);
        } else {
            executableRelativePath[len] = '\0';
        }
#elif _WIN32
        GetModuleFileName(NULL, executableRelativePath, sizeof(executableRelativePath));
#endif

        return executableRelativePath;
    }

    // TODO: remove? seems like fs::path::extension would do fine. It's only used in CommandLineInterface to check the input file type, so we could
    // just compare to ".EPJSON" instead of "EPJSON"...