diff options
Diffstat (limited to 'generic/tclCmdIL.c')
| -rw-r--r-- | generic/tclCmdIL.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c index 9fbb0ad..7f4ca1d 100644 --- a/generic/tclCmdIL.c +++ b/generic/tclCmdIL.c @@ -1677,7 +1677,7 @@ InfoLibraryCmd( return TCL_ERROR; } - libDirName = Tcl_GetVar(interp, "tcl_library", TCL_GLOBAL_ONLY); + libDirName = Tcl_GetVar2(interp, "tcl_library", NULL, TCL_GLOBAL_ONLY); if (libDirName != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(libDirName, -1)); return TCL_OK; @@ -1803,7 +1803,7 @@ InfoPatchLevelCmd( return TCL_ERROR; } - patchlevel = Tcl_GetVar(interp, "tcl_patchLevel", + patchlevel = Tcl_GetVar2(interp, "tcl_patchLevel", NULL, (TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG)); if (patchlevel != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(patchlevel, -1)); @@ -2173,6 +2173,16 @@ Tcl_JoinObjCmd( return TCL_ERROR; } + if (listLen == 0) { + /* No elements to join; default empty result is correct. */ + return TCL_OK; + } + if (listLen == 1) { + /* One element; return it */ + Tcl_SetObjResult(interp, elemPtrs[0]); + return TCL_OK; + } + joinObjPtr = (objc == 2) ? Tcl_NewStringObj(" ", 1) : objv[2]; Tcl_IncrRefCount(joinObjPtr); |