本文整理汇总了C++中fstring::udata方法的典型用法代码示例。如果您正苦于以下问题：C++ fstring::udata方法的具体用法？C++ fstring::udata怎么用？C++ fstring::udata使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类fstring的用法示例。
在下文中一共展示了fstring::udata方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: seekLowerBound
int seekLowerBound(fstring key, llong* id, valvec<byte>* retKey) override {
assert(key.size() == sizeof(Int));
if (key.size() != sizeof(Int)) {
THROW_STD(invalid_argument,
"key.size must be sizeof(Int)=%d", int(sizeof(Int)));
}
auto owner = static_cast<const SeqNumIndex*>(m_index.get());
Int keyId = unaligned_load<Int>(key.udata());
if (keyId <= owner->m_min) {
m_curr = 0;
return -1;
}
else if (keyId > owner->m_min + owner->m_cnt) {
m_curr = owner->m_cnt;
*id = owner->m_cnt - 1;
Int forwardMax = owner->m_min + owner->m_cnt - 1;
retKey->assign((const byte*)&forwardMax, sizeof(Int));
return 1;
}
else {
keyId -= owner->m_min;
m_curr = keyId;
*id = keyId;
retKey->assign(key.udata(), key.size());
return 0;
}
}示例2: sizeof
bool SeqNumIndex<Int>::insert(fstring key, llong id, DbContext*) {
assert(key.size() == sizeof(Int));
assert(id >= 0);
if (key.size() != sizeof(Int)) {
THROW_STD(invalid_argument,
"key.size must be sizeof(Int)=%d", int(sizeof(Int)));
}
Int keyId = unaligned_load<Int>(key.udata());
if (keyId != m_min + id) {
THROW_STD(invalid_argument,
"key must be consistent with id in SeqNumIndex");
}
if (llong(m_cnt) < id + 1) {
m_cnt = id + 1;
}
return 1;
}