From 419b1f3434971a3ae4ea52e17775f283627da73f Mon Sep 17 00:00:00 2001 From: psykose Date: Tue, 24 May 2022 10:02:03 +0000 Subject: main/cairo: actually apply inf-loop patch --- main/cairo/fix-inf-loop.patch | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 main/cairo/fix-inf-loop.patch (limited to 'main/cairo/fix-inf-loop.patch') diff --git a/main/cairo/fix-inf-loop.patch b/main/cairo/fix-inf-loop.patch new file mode 100644 index 00000000000..2a26876c36d --- /dev/null +++ b/main/cairo/fix-inf-loop.patch @@ -0,0 +1,36 @@ +From bbeaf08190d3006a80b80a77724801cd477a37b8 Mon Sep 17 00:00:00 2001 +From: Heiko Lewin +Date: Sat, 17 Apr 2021 19:15:03 +0200 +Subject: [PATCH] _arc_max_angle_for_tolerance_normalized: fix infinite loop + +--- + src/cairo-arc.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/src/cairo-arc.c b/src/cairo-arc.c +index 390397bae..1c891d1a0 100644 +--- a/src/cairo-arc.c ++++ b/src/cairo-arc.c +@@ -90,16 +90,18 @@ _arc_max_angle_for_tolerance_normalized (double tolerance) + { M_PI / 11.0, 9.81410988043554039085e-09 }, + }; + int table_size = ARRAY_LENGTH (table); ++ const int max_segments = 1000; /* this value is chosen arbitrarily. this gives an error of about 1.74909e-20 */ + + for (i = 0; i < table_size; i++) + if (table[i].error < tolerance) + return table[i].angle; + + ++i; ++ + do { + angle = M_PI / i++; + error = _arc_error_normalized (angle); +- } while (error > tolerance); ++ } while (error > tolerance && i < max_segments); + + return angle; + } +-- +GitLab + -- cgit v1.2.3