diff options
| author | dgp <dgp@users.sourceforge.net> | 2016-04-19 20:35:49 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2016-04-19 20:35:49 (GMT) |
| commit | 66032e8a327e0498b0d8970307452f66c69be25c (patch) | |
| tree | 345b92b9d0c1be0f8ff45032a38884929744545e /generic/tclObj.c | |
| parent | 0a228666ae8b3189ae92ff7624263de1455c24ff (diff) | |
| download | tcl-66032e8a327e0498b0d8970307452f66c69be25c.zip tcl-66032e8a327e0498b0d8970307452f66c69be25c.tar.gz tcl-66032e8a327e0498b0d8970307452f66c69be25c.tar.bz2 | |
Fork of Tcl used in the "Little" project.
http://www.mcvoy.com/lm/little/index.html
Diffstat (limited to 'generic/tclObj.c')
| -rw-r--r-- | generic/tclObj.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/generic/tclObj.c b/generic/tclObj.c index c641152..452160d 100644 --- a/generic/tclObj.c +++ b/generic/tclObj.c @@ -1064,6 +1064,7 @@ TclDbInitNewObj( objPtr->bytes = tclEmptyStringRep; objPtr->length = 0; objPtr->typePtr = NULL; + objPtr->undef = 0; #ifdef TCL_THREADS /* @@ -1576,6 +1577,7 @@ TclObjBeingDeleted( (dupPtr)->typePtr = typePtr; \ } \ } \ + (dupPtr)->undef = (objPtr)->undef; \ } Tcl_Obj * @@ -1886,6 +1888,10 @@ Tcl_GetBooleanFromObj( register Tcl_Obj *objPtr, /* The object from which to get boolean. */ register int *boolPtr) /* Place to store resulting boolean. */ { + if (objPtr->undef) { + *boolPtr = 0; + return TCL_OK; + } do { if (objPtr->typePtr == &tclIntType) { *boolPtr = (objPtr->internalRep.longValue != 0); |