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Diffstat (limited to 'libffi/testsuite/libffi.call/struct2.c')
-rw-r--r--libffi/testsuite/libffi.call/struct2.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/struct2.c b/libffi/testsuite/libffi.call/struct2.c
new file mode 100644
index 0000000..14bc9fd
--- /dev/null
+++ b/libffi/testsuite/libffi.call/struct2.c
@@ -0,0 +1,67 @@
+/* Area: ffi_call
+ Purpose: Check structures.
+ Limitations: none.
+ PR: none.
+ Originator: From the original ffitest.c */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+ double d1;
+ double d2;
+} test_structure_2;
+
+static test_structure_2 struct2(test_structure_2 ts)
+{
+ ts.d1--;
+ ts.d2--;
+
+ return ts;
+}
+
+int main (void)
+{
+ ffi_cif cif;
+ ffi_type *args[MAX_ARGS];
+ void *values[MAX_ARGS];
+ test_structure_2 ts2_arg;
+ ffi_type ts2_type;
+ ffi_type *ts2_type_elements[3];
+ ts2_type.size = 0;
+ ts2_type.alignment = 0;
+ ts2_type.type = FFI_TYPE_STRUCT;
+ ts2_type.elements = ts2_type_elements;
+ ts2_type_elements[0] = &ffi_type_double;
+ ts2_type_elements[1] = &ffi_type_double;
+ ts2_type_elements[2] = NULL;
+
+
+ /* This is a hack to get a properly aligned result buffer */
+ test_structure_2 *ts2_result =
+ (test_structure_2 *) malloc (sizeof(test_structure_2));
+
+ args[0] = &ts2_type;
+ values[0] = &ts2_arg;
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
+
+ ts2_arg.d1 = 5.55;
+ ts2_arg.d2 = 6.66;
+
+ printf ("%g\n", ts2_arg.d1);
+ printf ("%g\n", ts2_arg.d2);
+
+ ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
+
+ printf ("%g\n", ts2_result->d1);
+ printf ("%g\n", ts2_result->d2);
+
+ CHECK(ts2_result->d1 == 5.55 - 1);
+ CHECK(ts2_result->d2 == 6.66 - 1);
+
+ free (ts2_result);
+ exit(0);
+}