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| /* Area: ffi_call
| Purpose: Check that negative integers are passed correctly.
| Limitations: none.
| PR: none.
| Originator: From the original ffitest.c */
|
| /* { dg-do run } */
|
| #include "ffitest.h"
|
| static int checking(int a, short b, signed char c)
| {
|
| return (a < 0 && b < 0 && c < 0);
| }
|
| int main (void)
| {
| ffi_cif cif;
| ffi_type *args[MAX_ARGS];
| void *values[MAX_ARGS];
| ffi_arg rint;
|
| signed int si;
| signed short ss;
| signed char sc;
|
| args[0] = &ffi_type_sint;
| values[0] = &si;
| args[1] = &ffi_type_sshort;
| values[1] = &ss;
| args[2] = &ffi_type_schar;
| values[2] = ≻
|
| /* Initialize the cif */
| CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
| &ffi_type_sint, args) == FFI_OK);
|
| si = -6;
| ss = -12;
| sc = -1;
|
| checking (si, ss, sc);
|
| ffi_call(&cif, FFI_FN(checking), &rint, values);
|
| printf ("%d vs %d\n", (int)rint, checking (si, ss, sc));
|
| CHECK(rint != 0);
|
| exit (0);
| }
|
|
