There is one school of thought that says that my example, being all Ada, is different than the real code (in PLplot) because plmap in my posted example is in Ada where in the real situation it is in C. The discussion revolves around how Ada handles calls to Ada subprograms while enforcing C calling conventions versus calls to C subprograms while enforcing C conventions.
So, I'm trying to modify the simple example so that plmap is written in C, more closely emulating the PLplot situation. Unfortunately, my C skills are very poor and I can't get a simplified plmap to compile. My goal is to get it to compile then link to it from Ada.
Here is my feeble attempt at C:
====== In a file called plot.h, there is this: ======
void plmap( void (*mapform)(PLINT, PLFLT *));
====== In a file called plmap.c, there is this: ======
#include "plplot.h"
void plmap( void (*mapform)(PLINT, PLFLT *) )
{
int n;
double xx[10];
n = 10;
(*mapform)(n, xx);
}
======================================================
Could someone tell me how to get this to compile? I'm just typing
gcc plmap.c
I've attached a zip file (sans ".zip" as usual).
Thanks,
Jerry
bad_c
Description: Binary data
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