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#include "ffitest.h"
typedef struct Point {
float x;
float y;
} Point;
typedef struct Size {
float h;
float w;
} Size;
typedef struct Rect {
Point o;
Size s;
} Rect;
int doit(int o, char* s, Point p, Rect r, int last)
{
printf("CALLED WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n",
o, s, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, last);
return 42;
}
int main(void)
{
ffi_type point_type;
ffi_type size_type;
ffi_type rect_type;
ffi_cif cif;
ffi_type* arglist[6];
void* values[6];
int r;
point_type.size = 0;
point_type.alignment = 0;
point_type.type = FFI_TYPE_STRUCT;
point_type.elements = malloc(3 * sizeof(ffi_type*));
point_type.elements[0] = &ffi_type_float;
point_type.elements[1] = &ffi_type_float;
point_type.elements[2] = NULL;
size_type.size = 0;
size_type.alignment = 0;
size_type.type = FFI_TYPE_STRUCT;
size_type.elements = malloc(3 * sizeof(ffi_type*));
size_type.elements[0] = &ffi_type_float;
size_type.elements[1] = &ffi_type_float;
size_type.elements[2] = NULL;
rect_type.size = 0;
rect_type.alignment =0;
rect_type.type = FFI_TYPE_STRUCT;
rect_type.elements = malloc(3 * sizeof(ffi_type*));
rect_type.elements[0] = &point_type;
rect_type.elements[1] = &size_type;
rect_type.elements[2] = NULL;
arglist[0] = &ffi_type_sint;
arglist[1] = &ffi_type_pointer;
arglist[2] = &point_type;
arglist[3] = &rect_type;
arglist[4] = &ffi_type_sint;
arglist[5] = NULL;
r = ffi_prep_cif(&cif, FFI_DEFAULT_ABI,
5, &ffi_type_sint, arglist);
if (r != FFI_OK) {
abort();
}
{
Point p = { 1.0, 2.0 };
Rect r = { { 9.0, 10.0}, { -1.0, -2.0 } };
int o = 0;
int l = 42;
char* m = "myMethod";
ffi_arg result;
values[0] = &o;
values[1] = &m;
values[2] = &p;
values[3] = &r;
values[4] = &l;
values[5] = NULL;
printf("CALLING WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n",
o, m, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, l);
ffi_call(&cif, FFI_FN(doit), &result, values);
printf ("The result is %d\n", (int)result);
}
exit(0);
}
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