third_party/harfbuzz-ng/gsubgpos.patch - Issue 816543004: Update from https://crrev.com/308996

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Side by Side Diff: third_party/harfbuzz-ng/gsubgpos.patch

Issue 816543004: Update from https://crrev.com/308996 (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 6 years ago

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	1 diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-pr ivate.hh

	2 index 6ff15d2..dafca7f 100644

	3 --- a/src/hb-ot-layout-gsubgpos-private.hh

	4 +++ b/src/hb-ot-layout-gsubgpos-private.hh

	5 @@ -1498,6 +1498,7 @@ struct ContextFormat3

	6 TRACE_SANITIZE (this);

	7 if (!c->check_struct (this)) return TRACE_RETURN (false);

	8 unsigned int count = glyphCount;

	9 + if (!count) return TRACE_RETURN (false); /* We want to access coverage[0] f reely. */

	10 if (!c->check_array (coverage, coverage[0].static_size, count)) return TRAC E_RETURN (false);

	11 for (unsigned int i = 0; i < count; i++)

	12 if (!coverage[i].sanitize (c, this)) return TRACE_RETURN (false);

	13 @@ -2109,6 +2110,7 @@ struct ChainContextFormat3

	14 if (!backtrack.sanitize (c, this)) return TRACE_RETURN (false);

	15 OffsetArrayOf<Coverage> &input = StructAfter<OffsetArrayOf<Coverage> > (bac ktrack);

	16 if (!input.sanitize (c, this)) return TRACE_RETURN (false);

	17 + if (!input.len) return TRACE_RETURN (false); /* To be consistent with Conte xt. */

	18 OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage> > (input);

	19 if (!lookahead.sanitize (c, this)) return TRACE_RETURN (false);

	20 ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookah ead);

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