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[patch] stdint.h: intmax_t/uintmax_t improvements
- From: Ralf Corsepius <ralf dot corsepius at rtems dot org>
- To: Newlib List <newlib at sources dot redhat dot com>
- Date: Fri, 30 Sep 2005 03:03:14 +0200
- Subject: [patch] stdint.h: intmax_t/uintmax_t improvements
Hi,
Another stdint.h fragment ...
Ralf
2005-09-28 Ralf Corsepius <ralf.corsepius@rtems.org>
* libc/include/stdint.h:
Use __INTMAX_TYPE__ to derive intmax_t.
Use __UINTMAX_TYPE__ to derive uintmax_t.
Fix minor typo.
Index: libc/include/stdint.h
===================================================================
RCS file: /cvs/src/src/newlib/libc/include/stdint.h,v
retrieving revision 1.4
diff -u -r1.4 stdint.h
--- libc/include/stdint.h 27 Sep 2005 20:49:53 -0000 1.4
+++ libc/include/stdint.h 28 Sep 2005 09:13:34 -0000
@@ -148,16 +148,27 @@
#endif
#endif
-#if __have_longlong64
-typedef signed long long intmax_t;
-typedef unsigned long long uintmax_t;
-#else
-typedef signed long intmax_t;
-typedef unsigned long uintmax_t;
-#endif
+/* Greatest-width integer types */
+/* Modern GCCs provide __INTMAX_TYPE__ */
+#if defined(__INTMAX_TYPE__)
+ typedef __INTMAX_TYPE__ intmax_t;
+#elif __have_longlong64
+ typedef signed long long intmax_t;
+#else
+ typedef signed long intmax_t;
+#endif
+
+/* Modern GCCs provide __UINTMAX_TYPE__ */
+#if defined(__UINTMAX_TYPE__)
+ typedef __UINTMAX_TYPE__ uintmax_t;
+#elif __have_longlong64
+ typedef unsigned long long uintmax_t;
+ #else
+ typedef unsigned long uintmax_t;
+ #endif
/*
- * GCC doesn't provide an propriate macro for [u]intptr_t
+ * GCC doesn't provide an apropriate macro for [u]intptr_t
* For now, use __PTRDIFF_TYPE__
*/
#if defined(__PTRDIFF_TYPE__)