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-rw-r--r--generic/tclTest.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/generic/tclTest.c b/generic/tclTest.c
index dc5269c..db8d558 100644
--- a/generic/tclTest.c
+++ b/generic/tclTest.c
@@ -14,7 +14,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclTest.c,v 1.99 2005/11/04 22:38:38 msofer Exp $
+ * RCS: @(#) $Id: tclTest.c,v 1.100 2005/12/15 04:08:33 das Exp $
*/
#define TCL_TEST
@@ -5127,8 +5127,19 @@ static int PretendTclpStat(path, buf)
# define OUT_OF_RANGE(x) \
(((Tcl_WideInt)(x)) < Tcl_LongAsWide(LONG_MIN) || \
((Tcl_WideInt)(x)) > Tcl_LongAsWide(LONG_MAX))
+#if defined(__GNUC__) && __GNUC__ >= 2
+/*
+ * Workaround gcc warning of "comparison is always false due to limited range of
+ * data type" in this macro by checking max type size, and when necessary ANDing
+ * with the complement of ULONG_MAX instead of the comparison:
+ */
+# define OUT_OF_URANGE(x) \
+ ((((Tcl_WideUInt)(~ (__typeof__(x)) 0)) > (Tcl_WideUInt)ULONG_MAX) && \
+ (((Tcl_WideUInt)(x)) & ~(Tcl_WideUInt)ULONG_MAX))
+#else
# define OUT_OF_URANGE(x) \
(((Tcl_WideUInt)(x)) > (Tcl_WideUInt)ULONG_MAX)
+#endif
/*
* Perform the result-buffer overflow check manually.