37 lines
897 B
Diff
37 lines
897 B
Diff
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From 2bd456d77bd035aadff61122868d02291f7898ea Mon Sep 17 00:00:00 2001
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From: Mattias Ellert <mattias.ellert@fysast.uu.se>
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Date: Wed, 28 May 2014 07:05:49 +0200
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Subject: [PATCH] Break infinite recursion that leads to segfault.
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---
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lib/dotgen/compound.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/lib/dotgen/compound.c b/lib/dotgen/compound.c
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index ac78cd5..7156103 100644
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--- a/lib/dotgen/compound.c
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+++ b/lib/dotgen/compound.c
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@@ -176,6 +176,9 @@ findVertical(pointf * pts, double tmin, double tmax,
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double t;
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int no_cross = countVertCross(pts, xcoord);
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+ if (tmin >= tmax)
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+ return -1.0;
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+
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if (no_cross == 0)
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return -1.0;
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@@ -214,6 +217,9 @@ findHorizontal(pointf * pts, double tmin, double tmax,
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double t;
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int no_cross = countHorzCross(pts, ycoord);
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+ if (tmin >= tmax)
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+ return -1.0;
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+
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if (no_cross == 0)
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return -1.0;
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--
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1.9.3
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