diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | generic/tclIOCmd.c | 16 | ||||
| -rw-r--r-- | tests/ioCmd.test | 8 |
3 files changed, 31 insertions, 2 deletions
@@ -1,3 +1,12 @@ +2008-04-09 Andreas Kupries <andreask@activestate.com> + + * generic/tclIOCmd.c (Tcl_FcopyObjCmd): Added checking of -size + * tests/ioCmd.test (iocmd-15.{13,14}): value to reject negative + values, and values overflowing 32-bit signed. [Bug 1557855]. Basic + patch by Alexandre Ferrieux <ferrieux@users.sourceforge.net>, with + modifications from me to separate overflow from true negative + value. Extended testsuite. + 2008-04-08 Andreas Kupries <andreask@activestate.com> * tests/io.test (io-53.8): Fixed ordering of vwait and after diff --git a/generic/tclIOCmd.c b/generic/tclIOCmd.c index c1abee1..3c34845 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 1.51.2.1 2008/04/09 18:36:18 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]; diff --git a/tests/ioCmd.test b/tests/ioCmd.test index fcdc326..2906871 100644 --- a/tests/ioCmd.test +++ b/tests/ioCmd.test @@ -13,7 +13,7 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: ioCmd.test,v 1.36.2.2 2008/04/04 17:19:43 andreas_kupries Exp $ +# RCS: @(#) $Id: ioCmd.test,v 1.36.2.3 2008/04/09 18:36:18 andreas_kupries Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest 2 @@ -606,6 +606,12 @@ test iocmd-15.11 {Tcl_FcopyObjCmd} {fcopy} { test iocmd-15.12 {Tcl_FcopyObjCmd} {fcopy} { list [catch {fcopy $rfile $wfile -command bar -size foo} msg] $msg } {1 {expected integer but got "foo"}} +test iocmd-15.13 {Tcl_FcopyObjCmd} {fcopy} { + list [catch {fcopy $rfile $wfile -command bar -size 3221176172} msg] $msg +} {1 {integer value to large to represent as 32bit signed value}} +test iocmd-15.14 {Tcl_FcopyObjCmd} {fcopy} { + list [catch {fcopy $rfile $wfile -command bar -size -2} msg] $msg +} {1 {negative size forbidden}} close $rfile close $wfile |