Thread: Re: What is the story behind _SPI_PLAN_MAGIC?

Marcelo Fernandes <marcefern7@gmail.com> writes:
> Reading through the SPI code I see this definition:
>   #define _SPI_PLAN_MAGIC 569278163
> What is its purpose?

Just to catch programming errors, ie passing the wrong pointer
value to some SPI function.  See the checks for it in spi.c.

            regards, tom lane

On Mon, Feb 3, 2025 at 3:17 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Just to catch programming errors, ie passing the wrong pointer
> value to some SPI function.  See the checks for it in spi.c.

Aha! Perfect, I thought it was something like that. Thank you!
Marcelo.