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-rw-r--r--js/src/ctypes/libffi/testsuite/libffi.closures/cls_double_va.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/testsuite/libffi.closures/cls_double_va.c b/js/src/ctypes/libffi/testsuite/libffi.closures/cls_double_va.c
new file mode 100644
index 0000000000..e077f92b86
--- /dev/null
+++ b/js/src/ctypes/libffi/testsuite/libffi.closures/cls_double_va.c
@@ -0,0 +1,61 @@
+/* Area: ffi_call, closure_call
+ Purpose: Test doubles passed in variable argument lists.
+ Limitations: none.
+ PR: none.
+ Originator: Blake Chaffin 6/6/2007 */
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+/* { dg-output "" { xfail avr32*-*-* } } */
+/* { dg-output "" { xfail mips-sgi-irix6* } } PR libffi/46660 */
+
+#include "ffitest.h"
+
+static void
+cls_double_va_fn(ffi_cif* cif __UNUSED__, void* resp,
+ void** args, void* userdata __UNUSED__)
+{
+ char* format = *(char**)args[0];
+ double doubleValue = *(double*)args[1];
+
+ *(ffi_arg*)resp = printf(format, doubleValue);
+}
+
+int main (void)
+{
+ ffi_cif cif;
+ void *code;
+ ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+ void* args[3];
+ ffi_type* arg_types[3];
+
+ char* format = "%.1f\n";
+ double doubleArg = 7;
+ ffi_arg res = 0;
+
+ arg_types[0] = &ffi_type_pointer;
+ arg_types[1] = &ffi_type_double;
+ arg_types[2] = NULL;
+
+ /* This printf call is variadic */
+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2, &ffi_type_sint,
+ arg_types) == FFI_OK);
+
+ args[0] = &format;
+ args[1] = &doubleArg;
+ args[2] = NULL;
+
+ ffi_call(&cif, FFI_FN(printf), &res, args);
+ /* { dg-output "7.0" } */
+ printf("res: %d\n", (int) res);
+ /* { dg-output "\nres: 4" } */
+
+ CHECK(ffi_prep_closure_loc(pcl, &cif, cls_double_va_fn, NULL,
+ code) == FFI_OK);
+
+ res = ((int(*)(char*, ...))(code))(format, doubleArg);
+ /* { dg-output "\n7.0" } */
+ printf("res: %d\n", (int) res);
+ /* { dg-output "\nres: 4" } */
+
+ exit(0);
+}