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| author | fvogel <fvogelnew1@free.fr> | 2018-01-28 19:49:55 (GMT) |
|---|---|---|
| committer | fvogel <fvogelnew1@free.fr> | 2018-01-28 19:49:55 (GMT) |
| commit | 4b52abe83965203f90bb431ba8dc9039165f2646 (patch) | |
| tree | ce722f684017d75bc3ecd694eecfdd54d3d52dbb /generic/tkScale.c | |
| parent | 45ee94dff4405aa24cdccccbe00b5bab3d549c43 (diff) | |
| download | tk-4b52abe83965203f90bb431ba8dc9039165f2646.zip tk-4b52abe83965203f90bb431ba8dc9039165f2646.tar.gz tk-4b52abe83965203f90bb431ba8dc9039165f2646.tar.bz2 | |
Fix [5d991b822e]: segmentation violation in TclObjLookupVarEx. Patch from Christian Werner.
Diffstat (limited to 'generic/tkScale.c')
| -rw-r--r-- | generic/tkScale.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/generic/tkScale.c b/generic/tkScale.c index ef67630..af45afa 100644 --- a/generic/tkScale.c +++ b/generic/tkScale.c @@ -1193,6 +1193,19 @@ ScaleVarProc( int result; /* + * See ticket [5d991b82]. + */ + + if (scalePtr->varNamePtr == NULL) { + if (!(flags & TCL_INTERP_DESTROYED)) { + Tcl_UntraceVar2(interp, name1, name2, + TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, + ScaleVarProc, clientData); + } + return NULL; + } + + /* * If the variable is unset, then immediately recreate it unless the whole * interpreter is going away. */ |