30 lines
1003 B
Diff
30 lines
1003 B
Diff
From fa5a2dced5cad973c3a9c9e83f21165942f1cd6d Mon Sep 17 00:00:00 2001
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From: Ondrej Dubaj <odubaj@redhat.com>
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Date: Thu, 23 Sep 2021 09:49:37 +0200
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Subject: [PATCH] Do not crash on incomplete, closed splines
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---
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fig2dev/trans_spline.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/fig2dev/trans_spline.c b/fig2dev/trans_spline.c
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index 0905c79..60c54ad 100644
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--- a/fig2dev/trans_spline.c
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+++ b/fig2dev/trans_spline.c
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@@ -226,6 +226,12 @@ compute_closed_spline(F_spline *spline, float precision)
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if (!init_point_array(300, 200))
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return NULL;
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+ if (!(spline->points /* p0 */ && spline->controls /* s0 */ &&
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+ spline->points->next /* p1 */ && spline->controls->next /* s1 */ &&
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+ spline->points->next->next && spline->controls->next->next/* p2, s2 */&&
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+ spline->points->next->next->next && spline->controls->next->next->next))
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+ return NULL;
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+
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INIT_CONTROL_POINTS(spline, p0, s0, p1, s1, p2, s2, p3, s3);
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COPY_CONTROL_POINT(first, s_first, p0, s0);
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--
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2.31.1
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