From: Ben Harris <bjh21@bjh21.me.uk>
Date: Sat, 2 Nov 2024 22:10:33 +0000 (+0000)
Subject: Correct charstring stack accounting in emit_contour()
X-Git-Tag: bedstead-3.246~62
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=492cea7bf12ed8020fa97e86d9f364c8eaaf511b;p=bedstead.git

Correct charstring stack accounting in emit_contour()

The first point doesn't count because it gets an rmoveto rather than an
rlineto.
---

diff --git a/bedstead.c b/bedstead.c
index 605e2e2..afdc75f 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -3571,7 +3571,7 @@ static void
 emit_contour(point *p0, vec *cur)
 {
 	point *p = p0, *p1;
-	int stacksize = 0;
+	int stacksize = -2; /* Allow for initial rmoveto. */
 
 	if (p->prev) p->prev->next = NULL; /* Break the loop. */
 	do {