[src/trunk]: src/tools/compat Copy definitions of __type_min(t), __type_max(t...

[apb <apb%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e97e91e58582
branches:  trunk
changeset: 802081:e97e91e58582
user:      apb <apb%NetBSD.org@localhost>
date:      Mon Sep 01 11:20:06 2014 +0000

description:
Copy definitions of __type_min(t), __type_max(t), and some related macros,
from <sys/cdefs.h>, for use when building tools.

diffstat:

 tools/compat/compat_defs.h |  18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)

diffs (39 lines):

diff -r be66548e66f9 -r e97e91e58582 tools/compat/compat_defs.h
--- a/tools/compat/compat_defs.h        Mon Sep 01 09:09:47 2014 +0000
+++ b/tools/compat/compat_defs.h        Mon Sep 01 11:20:06 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: compat_defs.h,v 1.97 2014/06/06 01:40:40 christos Exp $        */
+/*     $NetBSD: compat_defs.h,v 1.98 2014/09/01 11:20:06 apb Exp $     */
 
 #ifndef        __NETBSD_COMPAT_DEFS_H__
 #define        __NETBSD_COMPAT_DEFS_H__
@@ -101,7 +101,7 @@
 #define __END_DECLS
 #endif
 
-/* Some things usually in BSD <sys/cdefs.h>. */
+/* Some things in NetBSD <sys/cdefs.h>. */
 
 #ifndef __CONCAT
 #define        __CONCAT(x,y)   x ## y
@@ -137,6 +137,20 @@
 #define        __arraycount(__x)       (sizeof(__x) / sizeof(__x[0]))
 #undef __USE
 #define __USE(a) ((void)(a))
+#undef __type_min_s
+#define __type_min_s(t) ((t)((1ULL << (sizeof(t) * NBBY - 1))))
+#undef __type_max_s
+#define __type_max_s(t) ((t)~((1ULL << (sizeof(t) * NBBY - 1))))
+#undef __type_min_u
+#define __type_min_u(t) ((t)0ULL)
+#undef __type_max_u
+#define __type_max_u(t) ((t)~0ULL)
+#undef __type_is_signed
+#define __type_is_signed(t) (/*LINTED*/__type_min_s(t) + (t)1 < (t)1)
+#undef __type_min
+#define __type_min(t) (__type_is_signed(t) ? __type_min_s(t) : __type_min_u(t))
+#undef __type_max
+#define __type_max(t) (__type_is_signed(t) ? __type_max_s(t) : __type_max_u(t))
 
 /* Dirent support. */