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authorMiguel Sofer <miguel.sofer@gmail.com>2010-12-30 23:10:06 (GMT)
committerMiguel Sofer <miguel.sofer@gmail.com>2010-12-30 23:10:06 (GMT)
commitef058dce40109ef6ead33a01b03382c34ba5cf02 (patch)
tree1ec51f45b85eeae695bdf77f8d3ed39a5a979853 /generic/tclExecute.c
parent6ddeb240a8b2366627697111435c5da9aa575dd0 (diff)
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* generic/tclExecute.c (GrowEvaluationStack): off-by-one error in
sizing the new allocation - was ok in comment but wrong in the code. Triggered by [Bug 3142026] which happened to require exactly one more than what was in existence.
Diffstat (limited to 'generic/tclExecute.c')
-rw-r--r--generic/tclExecute.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 884c7d5..8561bd4 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.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: tclExecute.c,v 1.510 2010/11/15 21:34:54 andreas_kupries Exp $
+ * RCS: @(#) $Id: tclExecute.c,v 1.511 2010/12/30 23:10:07 msofer Exp $
*/
#include "tclInt.h"
@@ -1062,14 +1062,14 @@ GrowEvaluationStack(
/*
* Reset move to hold the number of words to be moved to new stack (if
- * any) and growth to hold the complete stack requirements: add the marker
- * and maximal possible offset.
+ * any) and growth to hold the complete stack requirements: add one for
+ * the marker, (WALLOCALIGN-1) for the maximal possible offset.
*/
if (move) {
moveWords = esPtr->tosPtr - MEMSTART(markerPtr) + 1;
}
- needed = growth + moveWords + WALLOCALIGN - 1;
+ needed = growth + moveWords + WALLOCALIGN;
/*
* Check if there is enough room in the next stack (if there is one, it