View lcov test coverage results on http://www.ufoot.org/liquidwar/v6/doc/coverage/src/lib/gfx/shared-sdl/index.html (as there are many sub-directories in this module, please refer to the test coverage directory index for complete information).
Defined to tell shared_sdl is compatible with GNU General Public License Of course it is. This function does nothing, but the fact it’s declared makes its GPL compatibility obvious. Having this declared is required.
Return value: none