Import libffi from PyObjC 1.3.7.

darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92

1 files changed, 63 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.call/struct4.c b/libffi/testsuite/libffi.call/struct4.c
new file mode 100644
index 0000000..0ad0a83
--- /dev/null
+++ b/libffi/testsuite/libffi.call/struct4.c
@@ -0,0 +1,63 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  unsigned ui1;
+  unsigned ui2;
+  unsigned ui3;
+} test_structure_4;
+
+static test_structure_4 struct4(test_structure_4 ts)
+{
+  ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts4_type;
+  ffi_type *ts4_type_elements[4];  
+  ts4_type.size = 0;
+  ts4_type.alignment = 0;
+  ts4_type.type = FFI_TYPE_STRUCT;
+  test_structure_4 ts4_arg;
+  ts4_type.elements = ts4_type_elements;
+  ts4_type_elements[0] = &ffi_type_uint;
+  ts4_type_elements[1] = &ffi_type_uint;
+  ts4_type_elements[2] = &ffi_type_uint;
+  ts4_type_elements[3] = NULL;
+
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_4 *ts4_result = 
+    (test_structure_4 *) malloc (sizeof(test_structure_4));
+  
+  args[0] = &ts4_type;
+  values[0] = &ts4_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts4_type, args) == FFI_OK);
+  
+  ts4_arg.ui1 = 2;
+  ts4_arg.ui2 = 3;
+  ts4_arg.ui3 = 4;
+  
+  ffi_call (&cif, FFI_FN(struct4), ts4_result, values);
+  
+  CHECK(ts4_result->ui3 == 2U * 3U * 4U);
+ 
+  
+  free (ts4_result);
+  exit(0);
+}