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-rw-r--r--generic/tclCmdIL.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c
index b6e9f21..64348ad 100644
--- a/generic/tclCmdIL.c
+++ b/generic/tclCmdIL.c
@@ -2579,24 +2579,15 @@ Tcl_LrepeatObjCmd(
objc -= 2;
objv += 2;
- /*
- * Final sanity check. Total number of elements must fit in a signed
- * integer. We also limit the number of elements to 512M-1 so allocations
- * on 32-bit machines are guaranteed to be less than 2GB! [Bug 2130992]
- */
+ /* Final sanity check. Do not exceed limits on max list length. */
- totalElems = objc * elementCount;
- if (totalElems != 0 && (totalElems/objc != elementCount
- || totalElems/elementCount != objc)) {
- Tcl_AppendResult(interp, "too many elements in result list", NULL);
- Tcl_SetErrorCode(interp, "TCL", "MEMORY", NULL);
- return TCL_ERROR;
- }
- if (totalElems >= 0x20000000) {
- Tcl_AppendResult(interp, "too many elements in result list", NULL);
+ if (elementCount && objc > LIST_MAX/elementCount) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "max length of a Tcl list (%d elements) exceeded", LIST_MAX));
Tcl_SetErrorCode(interp, "TCL", "MEMORY", NULL);
return TCL_ERROR;
}
+ totalElems = objc * elementCount;
/*
* Get an empty list object that is allocated large enough to hold each