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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2024-07-05 10:00:58 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2024-07-05 10:00:58 (GMT) |
| commit | 6dbf2896b1e888032b511b182f52c5e9544db86c (patch) | |
| tree | 9c0659edfca4ad4c3f8478419313f9e66fea6e1e /generic/tclExecute.c | |
| parent | 5b9decfc5c7c9e6feae2d789a73bcfd7f465825e (diff) | |
| download | tcl-6dbf2896b1e888032b511b182f52c5e9544db86c.zip tcl-6dbf2896b1e888032b511b182f52c5e9544db86c.tar.gz tcl-6dbf2896b1e888032b511b182f52c5e9544db86c.tar.bz2 | |
Possible fix for [0439e1e1a3]: Slow detection of illegal expr argument
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index fab8590..8e6f4b5 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -9121,6 +9121,13 @@ IllegalExprOperandType( } if (GetNumberFromObj(NULL, opndPtr, &ptr, &type) != TCL_OK) { + Tcl_ObjTypeLengthProc *lengthProc = TclObjTypeHasProc(opndPtr, lengthProc); + if (lengthProc && lengthProc(opndPtr) > 1) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't use a list as operand of \"%s\"", op)); + Tcl_SetErrorCode(interp, "ARITH", "DOMAIN", "list", (char *)NULL); + return; + } description = "non-numeric string"; } else if (type == TCL_NUMBER_NAN) { description = "non-numeric floating-point value"; |