gecko/gfx/ots/ots-fix-sparc64.patch

27 lines
970 B
Diff

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