diff options
Diffstat (limited to 'generic/tclIOCmd.c')
-rw-r--r-- | generic/tclIOCmd.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/generic/tclIOCmd.c b/generic/tclIOCmd.c index 48debd8..2e49c8e 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 1.15.2.4 2008/04/09 18:35:27 andreas_kupries Exp $ + * RCS: @(#) $Id: tclIOCmd.c,v 1.15.2.5 2008/04/10 20:53:48 andreas_kupries Exp $ */ #include "tclInt.h" @@ -1543,18 +1543,13 @@ Tcl_FcopyObjCmd(dummy, interp, objc, objv) 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; + /* + * Handle all negative sizes like -1, meaning 'copy all'. + * By resetting toRead we avoid changes in the + * core copying functions (which explicitly check + * for -1 and crash on any other negative value). + */ + toRead = -1; } break; case FcopyCommand: |