fiddle.h in fiddle-1.1.2

- old
+ new

@@ -116,18 +116,19 @@
 #define TYPE_USHORT -TYPE_SHORT
 #define TYPE_INT   4
 #define TYPE_UINT   -TYPE_INT
 #define TYPE_LONG  5
 #define TYPE_ULONG  -TYPE_LONG
-#if HAVE_LONG_LONG
+#ifdef HAVE_LONG_LONG
 #define TYPE_LONG_LONG 6
 #define TYPE_ULONG_LONG -TYPE_LONG_LONG
 #endif
 #define TYPE_FLOAT 7
 #define TYPE_DOUBLE 8
 #define TYPE_VARIADIC 9
 #define TYPE_CONST_STRING 10
+#define TYPE_BOOL 11
 
 #define TYPE_INT8_T TYPE_CHAR
 #define TYPE_UINT8_T -TYPE_INT8_T
 
 #if SIZEOF_SHORT == 2
@@ -194,10 +195,23 @@
 #   define TYPE_INTPTR_T TYPE_LONG_LONG
 # endif
 #endif
 #define TYPE_UINTPTR_T (-TYPE_INTPTR_T)
 
-#define ALIGN_OF(type) offsetof(struct {char align_c; type align_x;}, align_x)
+/* GCC releases before GCC 4.9 had a bug in _Alignof.  See GCC bug 52023
+   <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.
+   clang versions < 8.0.0 have the same bug.  */
+#if defined(HAVE__ALIGNOF)
+# /* Autoconf detected availability of a sane `_Alignof()`. */
+# define ALIGN_OF(type) RB_GNUC_EXTENSION(_Alignof(type))
+#elif (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112 \
+     || (defined(__GNUC__) && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \
+         && !defined(__clang__)) \
+     || (defined(__clang__) && __clang_major__ < 8))
+# define ALIGN_OF(type) offsetof(struct {char align_c; type align_x;}, align_x)
+#else
+# define ALIGN_OF(type) _Alignof(type)
+#endif
 
 #define ALIGN_VOIDP  ALIGN_OF(void*)
 #define ALIGN_CHAR   ALIGN_OF(char)
 #define ALIGN_SHORT  ALIGN_OF(short)
 #define ALIGN_INT    ALIGN_OF(int)