Initial commit

testsuite/libffi.call/return_uc.c

@@ -0,0 +1,38 @@
+/* Area:	ffi_call
+   Purpose:	Check return value unsigned char.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static unsigned char return_uc(unsigned char uc)
+{
+  return uc;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+
+  unsigned char uc;
+
+  args[0] = &ffi_type_uchar;
+  values[0] = &uc;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_uchar, args) == FFI_OK);
+
+  for (uc = (unsigned char) '\x00';
+       uc < (unsigned char) '\xff'; uc++)
+    {
+      ffi_call(&cif, FFI_FN(return_uc), &rint, values);
+      CHECK(rint == (signed int) uc);
+    }
+  exit(0);
+}