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author | dkf <donal.k.fellows@manchester.ac.uk> | 2005-08-25 22:27:08 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2005-08-25 22:27:08 (GMT) |
commit | 377adf4ad442be7b6b99fbc2ec6e40ae7c30c865 (patch) | |
tree | 6dadbf8064bff88d2cd10de52f4ee2b10d55d42f /generic/tclListObj.c | |
parent | 30d1f3f37b544e2858ce6747d90757074db2695b (diff) | |
download | tcl-377adf4ad442be7b6b99fbc2ec6e40ae7c30c865.zip tcl-377adf4ad442be7b6b99fbc2ec6e40ae7c30c865.tar.gz tcl-377adf4ad442be7b6b99fbc2ec6e40ae7c30c865.tar.bz2 |
Backport of fix for [Bug 1267380]
Diffstat (limited to 'generic/tclListObj.c')
-rw-r--r-- | generic/tclListObj.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/generic/tclListObj.c b/generic/tclListObj.c index 446a67e..bdc2bc0 100644 --- a/generic/tclListObj.c +++ b/generic/tclListObj.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclListObj.c,v 1.13.4.1 2004/11/11 01:18:07 das Exp $ + * RCS: @(#) $Id: tclListObj.c,v 1.13.4.2 2005/08/25 22:27:08 dkf Exp $ */ #include "tclInt.h" @@ -1623,6 +1623,12 @@ UpdateStringOfList(listPtr) elem = Tcl_GetStringFromObj(listRepPtr->elements[i], &length); listPtr->length += Tcl_ScanCountedElement(elem, length, &flagPtr[i]) + 1; + /* + * Check for continued sanity. [Bug 1267380] + */ + if (listPtr->length < 1) { + Tcl_Panic("string representation size exceeds sane bounds"); + } } /* |