summaryrefslogtreecommitdiffstats
path: root/generic/tclIOCmd.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclIOCmd.c')
-rw-r--r--generic/tclIOCmd.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/generic/tclIOCmd.c b/generic/tclIOCmd.c
index 300bef0..48debd8 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 1.15.2.3 2008/02/26 22:30:26 hobbs Exp $
+ * RCS: @(#) $Id: tclIOCmd.c,v 1.15.2.4 2008/04/09 18:35:27 andreas_kupries Exp $
*/
#include "tclInt.h"
@@ -1542,6 +1542,20 @@ Tcl_FcopyObjCmd(dummy, interp, objc, objv)
if (Tcl_GetIntFromObj(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];