diff options
Diffstat (limited to 'gnu/packages/patches/graphite2-non-linear-classes-even-number.patch')
| -rw-r--r-- | gnu/packages/patches/graphite2-non-linear-classes-even-number.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gnu/packages/patches/graphite2-non-linear-classes-even-number.patch b/gnu/packages/patches/graphite2-non-linear-classes-even-number.patch new file mode 100644 index 0000000000..2bb1c9f94e --- /dev/null +++ b/gnu/packages/patches/graphite2-non-linear-classes-even-number.patch @@ -0,0 +1,26 @@ +From 0646e4ee471183994f78a759269f0505617711f3 Mon Sep 17 00:00:00 2001 +From: Martin Hosken <martin_hosken@sil.org> +Date: Tue, 18 Apr 2017 13:17:14 +0100 +Subject: [PATCH] Ensure non linear classes have even number of elements + +--- + src/Silf.cpp | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/src/Silf.cpp b/src/Silf.cpp +index d661992..9f2f954 100644 +--- a/src/Silf.cpp ++++ b/src/Silf.cpp +@@ -293,7 +293,8 @@ size_t Silf::readClassMap(const byte *p, size_t data_len, uint32 version, Error + if (e.test(*o + 4 > max_off, E_HIGHCLASSOFFSET) // LookupClass doesn't stretch over max_off + || e.test(lookup[0] == 0 // A LookupClass with no looks is a suspicious thing ... + || lookup[0] * 2 + *o + 4 > max_off // numIDs lookup pairs fits within (start of LookupClass' lookups array, max_off] +- || lookup[3] + lookup[1] != lookup[0], E_BADCLASSLOOKUPINFO)) // rangeShift: numIDs - searchRange ++ || lookup[3] + lookup[1] != lookup[0], E_BADCLASSLOOKUPINFO) // rangeShift: numIDs - searchRange ++ || e.test(((o[1] - *o) & 1) != 0, ERROROFFSET)) // glyphs are in pairs so difference must be even. + return ERROROFFSET; + } + +-- +2.12.2 + |