diff options
| -rw-r--r-- | generic/tclScan.c | 19 | ||||
| -rw-r--r-- | generic/tclStringObj.c | 1 |
2 files changed, 17 insertions, 3 deletions
diff --git a/generic/tclScan.c b/generic/tclScan.c index 4d6b28e..f78d88b 100644 --- a/generic/tclScan.c +++ b/generic/tclScan.c @@ -941,11 +941,24 @@ Tcl_ScanObjCmd( } else if (flags & SCAN_BIG) { if (flags & SCAN_UNSIGNED) { mp_int big; - if ((Tcl_GetBignumFromObj(interp, objPtr, &big) != TCL_OK) - || mp_isneg(&big)) { + int code = Tcl_GetBignumFromObj(interp, objPtr, &big); + + if (code == TCL_OK) { + if (mp_isneg(&big)) { + code = TCL_ERROR; + } + mp_clear(&big); + } + + if (code == TCL_ERROR) { + if (objs != NULL) { + ckfree(objs); + } + Tcl_DecrRefCount(objPtr); Tcl_SetObjResult(interp, Tcl_NewStringObj( "unsigned bignum scans are invalid", -1)); - Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADUNSIGNED",NULL); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", + "BADUNSIGNED",NULL); return TCL_ERROR; } } diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 3880a10..b80f668 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -1946,6 +1946,7 @@ Tcl_AppendFormatToObj( if (cmpResult == MP_EQ) gotHash = 0; if (ch == 'u') { if (isNegative) { + mp_clear(&big); msg = "unsigned bignum format is invalid"; errCode = "BADUNSIGNED"; goto errorMsg; |