cmd/htmlroff: fix buffer overflow in t2.c getqarg

This is actually from 2016: https://plan9port-review.googlesource.com/c/plan9/+/1590 Change-Id: I6f2a3d71a9dd589eff7ab15b3c1d3997254b3c35
9fans · Jan 2, 2020 · d905752 · d905752
1 parent 8cd46ae
commit d905752
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/cmd/htmlroff/t2.c b/src/cmd/htmlroff/t2.c
@@ -26,7 +26,7 @@ getqarg(void)
 	Rune *p, *e;
 
 	p = buf;
-	e = p+sizeof buf-1;
+	e = p + nelem(buf) - 1;
 
 	if(getrune() != '\'')
 		return nil;