Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
return_sc.c
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1 /* Area: ffi_call
2  Purpose: Check return value signed char.
3  Limitations: none.
4  PR: none.
5  Originator: From the original ffitest.c */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 static signed char return_sc(signed char sc)
11 {
12  return sc;
13 }
14 int main (void)
15 {
16  ffi_cif cif;
17  ffi_type *args[MAX_ARGS];
18  void *values[MAX_ARGS];
19  ffi_arg rint;
20  signed char sc;
21 
22  args[0] = &ffi_type_schar;
23  values[0] = ≻
24 
25  /* Initialize the cif */
27  &ffi_type_schar, args) == FFI_OK);
28 
29  for (sc = (signed char) -127;
30  sc < (signed char) 127; sc++)
31  {
32  ffi_call(&cif, FFI_FN(return_sc), &rint, values);
33  CHECK((signed char)rint == sc);
34  }
35  exit(0);
36 }
main
int main(void)
Definition: return_sc.c:14
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
rint
double rint(double)
ffi_type_schar
#define ffi_type_schar
Definition: fiddle.h:56
char
#define char
Definition: rb_mjit_min_header-2.7.1.h:2844
ffitest.h
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
ffi_prep_cif
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226
MAX_ARGS
#define MAX_ARGS
Definition: function.c:15
exit
void exit(int __status) __attribute__((__noreturn__))
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813