diff options
Diffstat (limited to 'generic/tclCmdIL.c')
-rw-r--r-- | generic/tclCmdIL.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c index 4a922fe..f7cdf29 100644 --- a/generic/tclCmdIL.c +++ b/generic/tclCmdIL.c @@ -15,7 +15,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCmdIL.c,v 1.40 2002/01/26 01:10:08 dgp Exp $ + * RCS: @(#) $Id: tclCmdIL.c,v 1.41 2002/02/15 14:28:48 dkf Exp $ */ #include "tclInt.h" @@ -323,10 +323,36 @@ Tcl_IncrObjCmd(dummy, interp, objc, objv) if (objc == 2) { incrAmount = 1; } else { +#ifdef TCL_WIDE_INT_IS_LONG if (Tcl_GetLongFromObj(interp, objv[2], &incrAmount) != TCL_OK) { Tcl_AddErrorInfo(interp, "\n (reading increment)"); return TCL_ERROR; } +#else + /* + * Need to be a bit cautious to ensure that [expr]-like rules + * are enforced for interpretation of wide integers, despite + * the fact that the underlying API itself is a 'long' only one. + */ + if (objv[2]->typePtr == &tclIntType) { + incrAmount = objv[2]->internalRep.longValue; + } else if (objv[2]->typePtr == &tclWideIntType) { + incrAmount = Tcl_WideAsLong(objv[2]->internalRep.wideValue); + } else { + Tcl_WideInt wide; + + if (Tcl_GetWideIntFromObj(interp, objv[2], &wide) != TCL_OK) { + Tcl_AddErrorInfo(interp, "\n (reading increment)"); + return TCL_ERROR; + } + incrAmount = Tcl_WideAsLong(wide); + if ((wide <= Tcl_LongAsWide(LONG_MAX)) + && (wide >= Tcl_LongAsWide(LONG_MIN))) { + objv[2]->typePtr = &tclIntType; + objv[2]->internalRep.longValue = incrAmount; + } + } +#endif } /* |