diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclCmdMZ.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/generic/tclCmdMZ.c b/generic/tclCmdMZ.c index 0716793..6a2915f 100644 --- a/generic/tclCmdMZ.c +++ b/generic/tclCmdMZ.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: tclCmdMZ.c,v 1.89 2003/05/09 13:08:19 dkf Exp $ + * RCS: @(#) $Id: tclCmdMZ.c,v 1.90 2003/05/10 23:54:37 hobbs Exp $ */ #include "tclInt.h" @@ -2180,8 +2180,17 @@ Tcl_StringObjCmd(dummy, interp, objc, objv) * Only build up a string that has data. Instead of * building it up with repeated appends, we just allocate * the necessary space once and copy the string value in. + * Check for overflow with back-division. [Bug #714106] */ length2 = length1 * count; + if ((length2 / count) != length1) { + char buf[TCL_INTEGER_SPACE+1]; + sprintf(buf, "%d", INT_MAX); + Tcl_AppendStringsToObj(resultPtr, + "string size overflow, must be less than ", + buf, (char *) NULL); + return TCL_ERROR; + } /* * Include space for the NULL */ |