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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2020-09-20 21:32:35 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2020-09-20 21:32:35 (GMT) |
| commit | 9e43cbb9739ecfd05d38ff31a49050a0eb04505b (patch) | |
| tree | 9f03fad624c027d190e47cb88ee31518a59d49e5 /generic/tclInt.h | |
| parent | 7a56ff406f3244d777f60d9a5e0da1e5e08f3ef9 (diff) | |
| download | tcl-9e43cbb9739ecfd05d38ff31a49050a0eb04505b.zip tcl-9e43cbb9739ecfd05d38ff31a49050a0eb04505b.tar.gz tcl-9e43cbb9739ecfd05d38ff31a49050a0eb04505b.tar.bz2 | |
Improve TclInvalidateStringRep() macro such that (objPtr) is only evaluated once. Addation brackets in TclHasStringRep() macro
Diffstat (limited to 'generic/tclInt.h')
| -rw-r--r-- | generic/tclInt.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/generic/tclInt.h b/generic/tclInt.h index 3dbffeb..f2f097c 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -4369,15 +4369,18 @@ MODULE_SCOPE void TclDbInitNewObj(Tcl_Obj *objPtr, const char *file, */ #define TclInvalidateStringRep(objPtr) \ - if (objPtr->bytes != NULL) { \ - if (objPtr->bytes != tclEmptyStringRep) { \ - ckfree((char *) objPtr->bytes); \ + do { \ + Tcl_Obj *_isobjPtr = (Tcl_Obj *)(objPtr); \ + if (_isobjPtr->bytes != NULL) { \ + if (_isobjPtr->bytes != tclEmptyStringRep) { \ + ckfree((char *)_isobjPtr->bytes); \ + } \ + _isobjPtr->bytes = NULL; \ } \ - objPtr->bytes = NULL; \ - } + } while (0) #define TclHasStringRep(objPtr) \ - (objPtr->bytes != NULL) + ((objPtr)->bytes != NULL) /* *---------------------------------------------------------------- |