diff options
Diffstat (limited to 'generic/tclObj.c')
| -rw-r--r-- | generic/tclObj.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/generic/tclObj.c b/generic/tclObj.c index 7155ebb..dc129ab 100644 --- a/generic/tclObj.c +++ b/generic/tclObj.c @@ -3679,6 +3679,13 @@ Tcl_GetNumberFromObj( void **clientDataPtr, int *typePtr) { + Tcl_ObjTypeLengthProc *lengthProc = TclObjTypeHasProc(objPtr, lengthProc); + if (lengthProc && lengthProc(objPtr) != 1) { + if (interp) { + Tcl_SetObjResult(interp, Tcl_NewStringObj("expected number but got a list", -1)); + } + return TCL_ERROR; + } do { if (TclHasInternalRep(objPtr, &tclDoubleType)) { if (isnan(objPtr->internalRep.doubleValue)) { |