dmenu

commit e4827b0c4048718ab06670cf60ef68d028fe7fc4
parent e73651f12a406629778f02d8e5acbe2caec0dfc2
Author: NRK <[email protected]>
Date:   Mon, 28 Mar 2022 01:02:52 +0600

drw_text: don't segfault when called with 0 width

this patch just rejects *any* 0 width draws, which is surely an error by
the caller.

this also guards against cases where the width is too small for the
ellipsis to fit, so ellipsis_w will remain 0.
reported by Bakkeby <[email protected]>

Diffstat:
M
drw.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drw.c b/drw.c
@@ -267,7 +267,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 	enum { nomatches_len = 64 };
 	static struct { long codepoint[nomatches_len]; unsigned int idx; } nomatches;
 
-	if (!drw || (render && !drw->scheme) || !text || !drw->fonts)
+	if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
 		return 0;
 
 	if (!render) {