diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclExecute.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 0870219..5e12c95 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclExecute.c,v 1.239 2006/07/21 10:47:18 msofer Exp $ + * RCS: @(#) $Id: tclExecute.c,v 1.240 2006/07/26 21:56:34 dgp Exp $ */ #include "tclInt.h" @@ -4858,7 +4858,7 @@ TclExecuteByteCode( w2 /= 2; for (; w2>Tcl_LongAsWide(1) ; w1*=w1,w2/=2) { wasNegative = (wResult < 0); - if (w1 < 0) { + if (w1 <= 0) { goto overflow; } if (w2 & 1) { @@ -4869,6 +4869,9 @@ TclExecuteByteCode( } } wasNegative = (wResult < 0); + if (w1 <= 0) { + goto overflow; + } wResult *= w1; if (wasNegative != (wResult < 0)) { goto overflow; |