c3-lang/libffi/testsuite/libffi.call/pyobjc-tc.c

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• Hash : c6dddbd0
  Author :
  Date : 2009-10-04T08:11:33
  

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• testsuite/libffi.call/pyobjc-tc.c

• /* Area:	ffi_call
     Purpose:	Check different structures.
     Limitations:	none.
     PR:		none.
     Originator:	Ronald Oussoren <oussoren@cistron.nl> 20030824	*/
  
  /* { dg-do run } */
  #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;
  
  	/*
  	 *  First set up FFI types for the 3 struct types
  	 */
  
  	point_type.size = 0; /*sizeof(Point);*/
  	point_type.alignment = 0; /*__alignof__(Point);*/
  	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;/* sizeof(Size);*/
  	size_type.alignment = 0;/* __alignof__(Size);*/
  	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;/*sizeof(Rect);*/
  	rect_type.alignment =0;/* __alignof__(Rect);*/
  	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;
  
  	/*
  	 * Create a CIF
  	 */
  	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();
  	}
  
  
  	/* And call the function through the CIF */
  
  	{
  	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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