* compile-time integer const. We don't define this macro to return 0 when
* unsupported due to the risk of users of the macro misbehaving if we return
* 0 when the expression *is* an integer constant. Callers may check if this
- * macro is defined by checking if HAVE_PG_BUILTIN_INTEGER_CONSTANT_P is
- * defined.
+ * macro is defined by checking if HAVE_PG_INTEGER_CONSTANT_P is defined.
*/
#if defined(HAVE__BUILTIN_CONSTANT_P)
-/* When __builtin_const_p() is available, use it. */
-#define pg_builtin_integer_constant_p(x) __builtin_constant_p(x)
-#define HAVE_PG_BUILTIN_INTEGER_CONSTANT_P
+/* When __builtin_constant_p() is available, use it. */
+#define pg_integer_constant_p(x) __builtin_constant_p(x)
+#define HAVE_PG_INTEGER_CONSTANT_P
#elif defined(_MSC_VER) && defined(__STDC_VERSION__)
/*
* and only works with integer constants. Compilation will fail if given a
* constant or variable of any type other than an integer.
*/
-#define pg_builtin_integer_constant_p(x) \
+#define pg_integer_constant_p(x) \
_Generic((1 ? ((void *) ((x) * (uintptr_t) 0)) : &(int) {1}), int *: 1, void *: 0)
-#define HAVE_PG_BUILTIN_INTEGER_CONSTANT_P
+#define HAVE_PG_INTEGER_CONSTANT_P
#endif
/*
* ereport_domain() directly, or preferably they can override the TEXTDOMAIN
* macro.
*
- * When pg_builtin_integer_constant_p is available and elevel >= ERROR we make
+ * When pg_integer_constant_p is available and elevel >= ERROR we make
* a call to errstart_cold() instead of errstart(). This version of the
* function is marked with pg_attribute_cold which will coax supporting
* compilers into generating code which is more optimized towards non-ERROR
- * cases. Because we use pg_builtin_integer_constant_p() in the condition,
+ * cases. Because we use pg_integer_constant_p() in the condition,
* when elevel is not a compile-time constant, or if it is, but it's < ERROR,
* the compiler has no need to generate any code for this branch. It can
* simply call errstart() unconditionally.
* If elevel >= ERROR, the call will not return; we try to inform the compiler
* of that via pg_unreachable(). However, no useful optimization effect is
* obtained unless the compiler sees elevel as a compile-time constant, else
- * we're just adding code bloat. So, if pg_builtin_integer_constant_p is
+ * we're just adding code bloat. So, if pg_integer_constant_p is
* available, use that to cause the second if() to vanish completely for
* non-constant cases. We avoid using a local variable because it's not
* necessary and prevents gcc from making the unreachability deduction at
* optlevel -O0.
*----------
*/
-#ifdef HAVE_PG_BUILTIN_INTEGER_CONSTANT_P
+#ifdef HAVE_PG_INTEGER_CONSTANT_P
#define ereport_domain(elevel, domain, ...) \
do { \
pg_prevent_errno_in_scope(); \
- if (pg_builtin_integer_constant_p(elevel) && (elevel) >= ERROR ? \
+ if (pg_integer_constant_p(elevel) && (elevel) >= ERROR ? \
errstart_cold(elevel, domain) : \
errstart(elevel, domain)) \
__VA_ARGS__, errfinish(__FILE__, __LINE__, __func__); \
- if (pg_builtin_integer_constant_p(elevel) && (elevel) >= ERROR) \
+ if (pg_integer_constant_p(elevel) && (elevel) >= ERROR) \
pg_unreachable(); \
} while(0)
-#else /* !HAVE_PG_BUILTIN_INTEGER_CONSTANT_P */
+#else /* !HAVE_PG_INTEGER_CONSTANT_P */
#define ereport_domain(elevel, domain, ...) \
do { \
const int elevel_ = (elevel); \
if (elevel_ >= ERROR) \
pg_unreachable(); \
} while(0)
-#endif /* HAVE_PG_BUILTIN_INTEGER_CONSTANT_P */
+#endif /* HAVE_PG_INTEGER_CONSTANT_P */
#define ereport(elevel, ...) \
ereport_domain(elevel, TEXTDOMAIN, __VA_ARGS__)