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27 lines
970 B
Diff
27 lines
970 B
Diff
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diff --git a/gfx/ots/include/opentype-sanitiser.h b/gfx/ots/include/opentype-sanitiser.h
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--- a/gfx/ots/include/opentype-sanitiser.h
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+++ b/gfx/ots/include/opentype-sanitiser.h
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@@ -57,18 +57,20 @@ class OTSStream {
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if (chksum_buffer_offset_ == 4) {
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// TODO(yusukes): This cast breaks the strict-aliasing rule.
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chksum_ += ntohl(*reinterpret_cast<const uint32_t*>(chksum_buffer_));
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chksum_buffer_offset_ = 0;
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}
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while (length >= 4) {
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- chksum_ += ntohl(*reinterpret_cast<const uint32_t*>(
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- reinterpret_cast<const uint8_t*>(data) + offset));
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+ uint32_t tmp;
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+ std::memcpy(&tmp, reinterpret_cast<const uint8_t *>(data) + offset,
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+ sizeof(uint32_t));
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+ chksum_ += ntohl(tmp);
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length -= 4;
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offset += 4;
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}
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if (length) {
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if (chksum_buffer_offset_ != 0) return false; // not reached
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if (length > 4) return false; // not reached
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std::memcpy(chksum_buffer_,
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