diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclParse.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/generic/tclParse.c b/generic/tclParse.c index d5aaa90..19aa324 100644 --- a/generic/tclParse.c +++ b/generic/tclParse.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclParse.c,v 1.19 2002/01/17 02:43:19 dgp Exp $ + * RCS: @(#) $Id: tclParse.c,v 1.20 2002/04/12 06:28:33 hobbs Exp $ */ #include "tclInt.h" @@ -1021,9 +1021,17 @@ Tcl_ParseVar(interp, string, termPtr) /* * At this point we should have an object containing the value of * a variable. Just return the string from that object. + * + * This should have returned the object for the user to manage, but + * instead we have some weak reference to the string value in the + * object, which is why we make sure the object exists after resetting + * the result. This isn't ideal, but it's the best we can do with the + * current documented interface. -- hobbs */ - Tcl_IncrRefCount(objPtr); + if (!Tcl_IsShared(objPtr)) { + Tcl_IncrRefCount(objPtr); + } Tcl_ResetResult(interp); return TclGetString(objPtr); } |