diff options
| author | das <das> | 2005-12-15 04:08:26 (GMT) |
|---|---|---|
| committer | das <das> | 2005-12-15 04:08:26 (GMT) |
| commit | 2be26782295e8963ba3080532c2ed3bd9aabb7e8 (patch) | |
| tree | 72c167d3c6e9a20e08a71bdbc50e57d9a128d2aa /generic/tclIOUtil.c | |
| parent | 395a015365e40d2f826658b1216096a6f110f064 (diff) | |
| download | tcl-2be26782295e8963ba3080532c2ed3bd9aabb7e8.zip tcl-2be26782295e8963ba3080532c2ed3bd9aabb7e8.tar.gz tcl-2be26782295e8963ba3080532c2ed3bd9aabb7e8.tar.bz2 | |
* generic/tclIOUtil.c: workaround gcc warning "comparison is always
* generic/tclTest.c: false due to limited range of data type".
Diffstat (limited to 'generic/tclIOUtil.c')
| -rw-r--r-- | generic/tclIOUtil.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c index 73f824d..638355c 100644 --- a/generic/tclIOUtil.c +++ b/generic/tclIOUtil.c @@ -17,7 +17,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIOUtil.c,v 1.77.2.23 2005/11/27 02:34:41 das Exp $ + * RCS: @(#) $Id: tclIOUtil.c,v 1.77.2.24 2005/12/15 04:08:26 das Exp $ */ #include "tclInt.h" @@ -144,8 +144,19 @@ Tcl_Stat(path, oldStyleBuf) # 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. |