diff options
Diffstat (limited to 'generic/tclIOCmd.c')
-rw-r--r-- | generic/tclIOCmd.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/generic/tclIOCmd.c b/generic/tclIOCmd.c index c1abee1..04c7c3c 100644 --- a/generic/tclIOCmd.c +++ b/generic/tclIOCmd.c @@ -8,7 +8,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIOCmd.c,v 1.51 2007/12/13 15:23:18 dgp Exp $ + * RCS: @(#) $Id: tclIOCmd.c,v 1.52 2008/04/09 18:37:08 andreas_kupries Exp $ */ #include "tclInt.h" @@ -1643,6 +1643,20 @@ Tcl_FcopyObjCmd( if (TclGetIntFromObj(interp, objv[i+1], &toRead) != TCL_OK) { return TCL_ERROR; } + if (toRead<0) { + Tcl_WideInt w; + if (Tcl_GetWideIntFromObj(interp, objv[i+1], &w) != TCL_OK) { + return TCL_ERROR; + } + if (w >= (Tcl_WideInt)0) { + Tcl_AppendResult(interp, + "integer value to large to represent as 32bit signed value", + NULL); + } else { + Tcl_AppendResult(interp, "negative size forbidden", NULL); + } + return TCL_ERROR; + } break; case FcopyCommand: cmdPtr = objv[i+1]; |