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| author | patthoyts <patthoyts@users.sourceforge.net> | 2009-07-10 17:37:18 (GMT) |
|---|---|---|
| committer | patthoyts <patthoyts@users.sourceforge.net> | 2009-07-10 17:37:18 (GMT) |
| commit | b1b828fd60bfd07a6e17453f3d2ffe646bcad60c (patch) | |
| tree | 8f3fe2fe7cb2e4309ee617233cd7d2a53f25e035 /generic/tclZlib.c | |
| parent | 02ba54c693aaea66388d4d5293c510e999209910 (diff) | |
| download | tcl-b1b828fd60bfd07a6e17453f3d2ffe646bcad60c.zip tcl-b1b828fd60bfd07a6e17453f3d2ffe646bcad60c.tar.gz tcl-b1b828fd60bfd07a6e17453f3d2ffe646bcad60c.tar.bz2 | |
ZlibTransformClose may be called with a NULL interpreter during finalization and
Tcl_SetChannelError requires a list. Added some tests to ensure error propagation
from the zlib library to the interp.
Diffstat (limited to 'generic/tclZlib.c')
| -rw-r--r-- | generic/tclZlib.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/generic/tclZlib.c b/generic/tclZlib.c index 96d68c1..5dc8c2e 100644 --- a/generic/tclZlib.c +++ b/generic/tclZlib.c @@ -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: tclZlib.c,v 1.29 2009/07/09 22:48:44 patthoyts Exp $ + * RCS: @(#) $Id: tclZlib.c,v 1.30 2009/07/10 17:37:18 patthoyts Exp $ */ #include "tclInt.h" @@ -2322,11 +2322,16 @@ ZlibTransformClose( if (cd->outStream.avail_out != (unsigned) cd->outAllocated) { if (Tcl_WriteRaw(cd->parent, cd->outBuffer, cd->outAllocated - cd->outStream.avail_out) < 0) { - /* TODO: is this the right way to do errors on close? */ + /* TODO: is this the right way to do errors on close? + * Note: when close is called from FinalizeIOSubsystem + * then interp may be NULL + */ if (!TclInThreadExit()) { - Tcl_AppendResult(interp, + if (interp) { + Tcl_AppendResult(interp, "error while finalizing file: ", Tcl_PosixError(interp), NULL); + } } result = TCL_ERROR; break; @@ -2377,8 +2382,11 @@ ZlibTransformInput( return toRead - cd->inStream.avail_out; } if (e != Z_OK) { - Tcl_SetChannelError(cd->parent, - Tcl_NewStringObj(cd->inStream.msg, -1)); + Tcl_Obj *errObj = Tcl_NewListObj(0, NULL); + Tcl_ListObjAppendElement(NULL, errObj, + Tcl_NewStringObj(cd->inStream.msg, -1)); + Tcl_SetChannelError(cd->parent, errObj); + *errorCodePtr = EINVAL; return -1; } |