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https://github.com/fribidi/fribidi/commit/034c6e9a1d296286305f4cfd1e0072b879f52568.patch
From 034c6e9a1d296286305f4cfd1e0072b879f52568 Mon Sep 17 00:00:00 2001
From: Dov Grobgeld <dov.grobgeld@gmail.com>
Date: Thu, 24 Oct 2019 09:37:29 +0300
Subject: [PATCH] Truncate isolate_level to FRIBIDI_BIDI_MAX_EXPLICIT_LEVEL
---
lib/fribidi-bidi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/fribidi-bidi.c b/lib/fribidi-bidi.c
index 6c84392..d384878 100644
--- a/lib/fribidi-bidi.c
+++ b/lib/fribidi-bidi.c
@@ -747,7 +747,9 @@ fribidi_get_par_embedding_levels_ex (
}
RL_LEVEL (pp) = level;
- RL_ISOLATE_LEVEL (pp) = isolate_level++;
+ RL_ISOLATE_LEVEL (pp) = isolate_level;
+ if (isolate_level < FRIBIDI_BIDI_MAX_EXPLICIT_LEVEL-1)
+ isolate_level++;
base_level_per_iso_level[isolate_level] = new_level;
if (!FRIBIDI_IS_NEUTRAL (override))
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