diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | generic/tclIOUtil.c | 8 | ||||
| -rw-r--r-- | tests/ioUtil.test | 23 |
3 files changed, 34 insertions, 3 deletions
@@ -1,3 +1,9 @@ +2007-12-13 Jeff Hobbs <jeffh@ActiveState.com> + + * generic/tclIOUtil.c (TclGetOpenMode): Only set the O_APPEND flag + * tests/ioUtil.test (ioUtil-4.1): on a channel for the 'a' + mode and not for 'a+'. [Bug 1773127] (backport from HEAD) + 2007-12-05 Donal K. Fellows <donal.k.fellows@man.ac.uk> * generic/tclCmdIL.c (Tcl_LsearchObjCmd): Prevent shimmering crash diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c index a587794..aae1e84 100644 --- a/generic/tclIOUtil.c +++ b/generic/tclIOUtil.c @@ -17,7 +17,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIOUtil.c,v 1.77.2.34 2007/02/19 23:49:05 hobbs Exp $ + * RCS: @(#) $Id: tclIOUtil.c,v 1.77.2.35 2007/12/14 02:29:21 hobbs Exp $ */ #include "tclInt.h" @@ -1585,7 +1585,11 @@ TclGetOpenMode(interp, string, seekFlagPtr) return -1; } if (string[1] == '+') { - mode &= ~(O_RDONLY|O_WRONLY); + /* + * Must remove the O_APPEND flag so that the seek command + * works. [Bug 1773127] + */ + mode &= ~(O_RDONLY|O_WRONLY|O_APPEND); mode |= O_RDWR; if (string[2] != 0) { goto error; diff --git a/tests/ioUtil.test b/tests/ioUtil.test index 5b0a79e..78df642 100644 --- a/tests/ioUtil.test +++ b/tests/ioUtil.test @@ -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: ioUtil.test,v 1.13.2.1 2003/04/14 15:45:57 vincentdarley Exp $ +# RCS: @(#) $Id: ioUtil.test,v 1.13.2.2 2007/12/14 02:29:22 hobbs Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest 2 @@ -303,6 +303,27 @@ test ioUtil-3.8 {TclOpenFileChannelDeleteProc: Verify that all procs have been d list $err9 $err10 $err11 } {{"TestOpenFileChannelProc1": could not be deleteed} {"TestOpenFileChannelProc2": could not be deleteed} {"TestOpenFileChannelProc3": could not be deleteed}} +test ioUtil-4.1 {open ... a+ must not use O_APPEND: Bug 1773127} -setup { + set f [tcltest::makeFile {} ioutil41.tmp] + set fid [open $f w] + puts -nonewline $fid 123 + close $fid +} -body { + set fid [open $f a+] + puts -nonewline $fid 456 + seek $fid 2 + set d [read $fid 2] + seek $fid 4 + puts -nonewline $fid x + close $fid + set fid [open $f r] + append d [read $fid] + close $fid + return $d +} -cleanup { + tcltest::removeFile $f +} -result 341234x6 + cd $oldpwd # cleanup |