1 files changed, 43 insertions, 14 deletions

diff --git a/ext/ffi_c/libffi/src/types.c b/ext/ffi_c/libffi/src/types.c
index 0a11eb0..7e80aec 100644
--- a/ext/ffi_c/libffi/src/types.c
+++ b/ext/ffi_c/libffi/src/types.c
@@ -33,35 +33,56 @@
 
 /* Type definitions */
 
-#define FFI_TYPEDEF(name, type, id)		\
+#define FFI_TYPEDEF(name, type, id, maybe_const)\
 struct struct_align_##name {			\
   char c;					\
   type x;					\
 };						\
-const ffi_type ffi_type_##name = {		\
+maybe_const ffi_type ffi_type_##name = {	\
   sizeof(type),					\
   offsetof(struct struct_align_##name, x),	\
   id, NULL					\
 }
 
+#define FFI_COMPLEX_TYPEDEF(name, type, maybe_const)	\
+static ffi_type *ffi_elements_complex_##name [2] = {	\
+	(ffi_type *)(&ffi_type_##name), NULL		\
+};							\
+struct struct_align_complex_##name {			\
+  char c;						\
+  _Complex type x;					\
+};							\
+maybe_const ffi_type ffi_type_complex_##name = {	\
+  sizeof(_Complex type),				\
+  offsetof(struct struct_align_complex_##name, x),	\
+  FFI_TYPE_COMPLEX,					\
+  (ffi_type **)ffi_elements_complex_##name		\
+}
+
 /* Size and alignment are fake here. They must not be 0. */
 const ffi_type ffi_type_void = {
   1, 1, FFI_TYPE_VOID, NULL
 };
 
-FFI_TYPEDEF(uint8, UINT8, FFI_TYPE_UINT8);
-FFI_TYPEDEF(sint8, SINT8, FFI_TYPE_SINT8);
-FFI_TYPEDEF(uint16, UINT16, FFI_TYPE_UINT16);
-FFI_TYPEDEF(sint16, SINT16, FFI_TYPE_SINT16);
-FFI_TYPEDEF(uint32, UINT32, FFI_TYPE_UINT32);
-FFI_TYPEDEF(sint32, SINT32, FFI_TYPE_SINT32);
-FFI_TYPEDEF(uint64, UINT64, FFI_TYPE_UINT64);
-FFI_TYPEDEF(sint64, SINT64, FFI_TYPE_SINT64);
+FFI_TYPEDEF(uint8, UINT8, FFI_TYPE_UINT8, const);
+FFI_TYPEDEF(sint8, SINT8, FFI_TYPE_SINT8, const);
+FFI_TYPEDEF(uint16, UINT16, FFI_TYPE_UINT16, const);
+FFI_TYPEDEF(sint16, SINT16, FFI_TYPE_SINT16, const);
+FFI_TYPEDEF(uint32, UINT32, FFI_TYPE_UINT32, const);
+FFI_TYPEDEF(sint32, SINT32, FFI_TYPE_SINT32, const);
+FFI_TYPEDEF(uint64, UINT64, FFI_TYPE_UINT64, const);
+FFI_TYPEDEF(sint64, SINT64, FFI_TYPE_SINT64, const);
 
-FFI_TYPEDEF(pointer, void*, FFI_TYPE_POINTER);
+FFI_TYPEDEF(pointer, void*, FFI_TYPE_POINTER, const);
 
-FFI_TYPEDEF(float, float, FFI_TYPE_FLOAT);
-FFI_TYPEDEF(double, double, FFI_TYPE_DOUBLE);
+FFI_TYPEDEF(float, float, FFI_TYPE_FLOAT, const);
+FFI_TYPEDEF(double, double, FFI_TYPE_DOUBLE, const);
+
+#if !defined HAVE_LONG_DOUBLE_VARIANT || defined __alpha__
+#define FFI_LDBL_CONST const
+#else
+#define FFI_LDBL_CONST
+#endif
 
 #ifdef __alpha__
 /* Even if we're not configured to default to 128-bit long double, 
@@ -73,5 +94,13 @@ FFI_TYPEDEF(double, double, FFI_TYPE_DOUBLE);
 # endif
 const ffi_type ffi_type_longdouble = { 16, 16, 4, NULL };
 #elif FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
-FFI_TYPEDEF(longdouble, long double, FFI_TYPE_LONGDOUBLE);
+FFI_TYPEDEF(longdouble, long double, FFI_TYPE_LONGDOUBLE, FFI_LDBL_CONST);
+#endif
+
+#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
+FFI_COMPLEX_TYPEDEF(float, float, const);
+FFI_COMPLEX_TYPEDEF(double, double, const);
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+FFI_COMPLEX_TYPEDEF(longdouble, long double, FFI_LDBL_CONST);
+#endif
 #endif