Method write

3ds/source/fsstream.cpp:155–168

}

u32 FSStream::write(const void* buf, u32 sz)
{
    u32 wt = 0;
    if (isPxi()) {
        // PXI has no flush-on-close; keep the per-write flush for the single GBA save file.
        mResult = FSPXI_WriteFile(FsPxiHandle, std::get<FSPXI_File>(mHandle), &wt, mOffset, buf, sz, FS_WRITE_FLUSH);
    }
    else {
        // Skip the per-write flush; close() flushes once. Avoids a flush per 16 KB chunk and per tiny header write.
        mResult = FSFILE_Write(std::get<Handle>(mHandle), &wt, mOffset, buf, sz, 0);
    }
    mOffset += wt;
    return wt;
}

bool FSStream::eof(void)
{