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ircd::util: Fix bswap() to not rely on data()/size() et al.

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This commit is contained in:
Jason Volk 2018-01-14 17:59:07 -08:00
parent af0c02cc10
commit b2503ba1d0
1 changed files with 5 additions and 2 deletions
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7
include/ircd/util/bswap.h
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@ -32,7 +32,8 @@ T &
ircd::util::bswap(T *const &val)
{
assert(val != nullptr);
std::reverse(data(*val), data(*val) + size(*val));
const auto ptr{reinterpret_cast<uint8_t *>(val)};
std::reverse(ptr, ptr + sizeof(T));
return *val;
}
@ -42,6 +43,8 @@ T
ircd::util::bswap(const T &val)
{
T ret;
std::reverse_copy(data(val), data(val) + size(val), data(ret));
const auto valptr{reinterpret_cast<const uint8_t *>(&val)};
const auto retptr{reinterpret_cast<uint8_t *>(&ret)};
std::reverse_copy(valptr, valptr + sizeof(T), retptr);
return ret;
}