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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2004-01-17 00:52:18 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2004-01-17 00:52:18 (GMT) |
| commit | 72e7c5746f7b65dde16f1956a8ff610feba195f5 (patch) | |
| tree | d4d17ffb8719b7c855c61dc53e7c649c58d507c3 /generic/tclCmdIL.c | |
| parent | ad2ff95ba8c9da2c069721644be9afd430a123a9 (diff) | |
| download | tcl-72e7c5746f7b65dde16f1956a8ff610feba195f5.zip tcl-72e7c5746f7b65dde16f1956a8ff610feba195f5.tar.gz tcl-72e7c5746f7b65dde16f1956a8ff610feba195f5.tar.bz2 | |
Fix a shimmering bug
Diffstat (limited to 'generic/tclCmdIL.c')
| -rw-r--r-- | generic/tclCmdIL.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c index 4eee06b..e3f42a9 100644 --- a/generic/tclCmdIL.c +++ b/generic/tclCmdIL.c @@ -15,7 +15,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCmdIL.c,v 1.60 2004/01/17 00:38:56 dkf Exp $ + * RCS: @(#) $Id: tclCmdIL.c,v 1.61 2004/01/17 00:52:18 dkf Exp $ */ #include "tclInt.h" @@ -2080,13 +2080,21 @@ Tcl_LassignObjCmd(dummy, interp, objc, objv) } valueObj = emptyObj; } + /* + * Make sure the reference count for the value being assigned + * is greater than one (other reference minimally in the list) + * so we can't get hammered by shimmering. + */ + Tcl_IncrRefCount(valueObj); if (Tcl_ObjSetVar2(interp, objv[i+2], NULL, valueObj, TCL_LEAVE_ERR_MSG) == NULL) { + Tcl_DecrRefCount(valueObj); if (emptyObj != NULL) { Tcl_DecrRefCount(emptyObj); } return TCL_ERROR; } + Tcl_DecrRefCount(valueObj); } if (emptyObj != NULL) { Tcl_DecrRefCount(emptyObj); |