src/io.cpp


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static void
IO_WriteToStream(void *Address, uint64 FileSize, SDL_RWops *TestFile)
{
    uint64 Size_Written = SDL_RWwrite(TestFile, Address, 1, FileSize);

    if (Size_Written != FileSize)
        Assert(0);
}

static void
IO_ReadFromStream(void *Address, uint64 SizeToRead, SDL_RWops *File)
{
    int64 TotalBytesRead = 0;
    uint8 *Address_Playhead = (uint8 *)Address;
    while (TotalBytesRead < SizeToRead) {
        uint64 BytesRead = SDL_RWread(File, Address, 1, (SizeToRead - TotalBytesRead));
        if (BytesRead == 0)
            break;
        TotalBytesRead += BytesRead;
        Address_Playhead += BytesRead;
    }
    Assert(TotalBytesRead == SizeToRead);
}