Function SDL_TellIO

pub unsafe extern "C" fn SDL_TellIO(context: *mut SDL_IOStream) -> i64 
Available on crate feature dep_sdl3 only.
Expand description

Determine the current read/write offset in an SDL_IOStream data stream.

SDL_TellIO is actually a wrapper function that calls the SDL_IOStream’s seek method, with an offset of 0 bytes from SDL_IO_SEEK_CUR, to simplify application development.

§Parameters

  • context: an SDL_IOStream data stream object from which to get the current offset.

§Return value

Returns the current offset in the stream, or -1 if the information can not be determined.

§Thread safety

This function is not thread safe.

§Availability

This function is available since SDL 3.2.0.

§See also