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MinGW: Fix compiler warning with -Wstrict-aliasing 

The error message is:

warning: dereferencing type-punned pointer will break strict-aliasing
rules [-Wstrict-aliasing]
pull/251/head
Tatsuhiro Tsujikawa 2014-07-10 00:28:16 +09:00
parent 4dfd8b8847
commit 897f0e87f4
1 changed files with 5 additions and 7 deletions
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12
src/crypto_hash.cc
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@ -167,14 +167,13 @@ public:
}
// Append length, multiplied by 8 (because bits!)
const uint_fast64_t bits = count_ << 3;
const uint_fast64_t bits = __crypto_be(count_ << 3);
if (sizeof(word_t) == 4) {
*reinterpret_cast<uint64_t*>(buffer_.words + bsize - 2) =
__crypto_be(bits);
memcpy(buffer_.words + bsize - 2, &bits, sizeof(bits));
}
else {
buffer_.words[bsize - 2] = 0;
buffer_.words[bsize - 1] = (word_t)__crypto_be(bits);
buffer_.words[bsize - 1] = (word_t)bits;
}
// Last transform:
@ -340,9 +339,8 @@ public:
}
// Append length, multiplied by 8 (because bits!)
const uint_fast64_t bits = count_ << 3;
*reinterpret_cast<uint64_t*>(buffer_.words + 14) =
__crypto_le(bits);
const uint_fast64_t bits = __crypto_le(count_ << 3);
memcpy(buffer_.words + 14, &bits, sizeof(bits));
transform(buffer_.words);
#if BIG_ENDIAN == BYTE_ORDER
state_.words[0] = __crypto_bswap(state_.words[0]);