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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2017-01-18 12:44:22 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2017-01-18 12:44:22 (GMT) |
| commit | c558898981a43637a64c17a40fd816ae41991961 (patch) | |
| tree | f00289fc7ee4cef9794d712add3048d86320a16e /generic/tkTextTag.c | |
| parent | ec5e2f38d3eb0132822396f9b105d4cc5c78e86b (diff) | |
| download | tk-c558898981a43637a64c17a40fd816ae41991961.zip tk-c558898981a43637a64c17a40fd816ae41991961.tar.gz tk-c558898981a43637a64c17a40fd816ae41991961.tar.bz2 | |
Change more refCount checks to the form "(...refCount-- <= 1)", so no separate decrement and compare is necessary. This allows (in the future) the same code to work when refCount becomes unsigned (which at least doubles the range). No functional change.
Diffstat (limited to 'generic/tkTextTag.c')
| -rw-r--r-- | generic/tkTextTag.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/generic/tkTextTag.c b/generic/tkTextTag.c index dd3127d..d9329f5 100644 --- a/generic/tkTextTag.c +++ b/generic/tkTextTag.c @@ -1258,8 +1258,7 @@ TkTextFreeTag( if (textPtr != tagPtr->textPtr) { Tcl_Panic("Tag being deleted from wrong widget"); } - textPtr->refCount--; - if (textPtr->refCount == 0) { + if (textPtr->refCount-- <= 1) { ckfree(textPtr); } tagPtr->textPtr = NULL; @@ -1522,7 +1521,7 @@ TkTextBindProc( } done: - if (--textPtr->refCount == 0) { + if (textPtr->refCount-- <= 1) { ckfree(textPtr); } } |