[Rd] Patch for RJSONIO

[Ben Bolker]

Maybe https://github.com/duncantl/RJSONIO ?

(That page also points to https://omegahat.org/RJSONIO, which is now 
defunct ...)

On 3/25/25 18:53, Dirk Eddelbuettel wrote:
> 
> I can never remember where the canonical sources are for the effectively-CRAN
> maintained packages so I am dropping it here -- yesterday's update to RJSONIO
> does not build on anything older than r-devel.  This patch helps, feel free
> to adjust as needed.
> 
> Dirk
> 
> 
> diff -ru RJSONIO.orig/src/RJSON.c RJSONIO/src/RJSON.c
> --- RJSONIO.orig/src/RJSON.c	2025-03-24 02:10:08.000000000 -0500
> +++ RJSONIO/src/RJSON.c	2025-03-25 17:49:50.490016649 -0500
> @@ -2,6 +2,7 @@
>   
>   #include <Rinternals.h>
>   #include <Rdefines.h>
> +#include <Rversion.h>
>   
>   #include "ConvertUTF.h"
>   
> @@ -70,7 +71,11 @@
>   	    ptr = REAL(tmp);
>   	    break;
>   	case VECSXP:
> +#if R_VERSION >= R_Version(4,5,0)
>   	    ptr = (void *) VECTOR_PTR_RO(tmp);
> +#else
> +	    ptr = (void *) VECTOR_PTR(tmp);
> +#endif
>   	    break;
>   	default:
>   	    ptr = NULL;
> 
>