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fix fatal bugs

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This commit is contained in:
happyZYM
2024-05-25 06:54:56 +00:00
parent 87d50bc193
commit 55c503a0d0
2 changed files with 33 additions and 3 deletions
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20
src/include/utils.h
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@ -16,8 +16,15 @@ inline hash_t SplitMix64Hash(const std::string &str) noexcept {
hash_t ret = 0;
int i = 0;
size_t len = str.length();
hash_t *buf = new hash_t;
char *buf_ptr = reinterpret_cast<char *>(buf);
for (; i + 8 <= len; i += 8) {
ret ^= *reinterpret_cast<const hash_t *>(str.c_str() + i);
// ret ^= *reinterpret_cast<const hash_t *>(str.c_str() + i);
// ret ^= *reinterpret_cast<const hash_t *>(inner_salt + (i & 15));
for (int j = 0; j < 8; ++j) {
buf_ptr[j] = str[i + j];
}
ret ^= *buf;
ret ^= *reinterpret_cast<const hash_t *>(inner_salt + (i & 15));
ret += 0x9e3779b97f4a7c15;
ret = (ret ^ (ret >> 30)) * 0xbf58476d1ce4e5b9;
@ -32,6 +39,7 @@ inline hash_t SplitMix64Hash(const std::string &str) noexcept {
ret = (ret ^ (ret >> 27)) * 0x94d049bb133111eb;
ret ^= ret >> 31;
}
delete buf;
return ret;
}
inline hash_t SplitMix64Hash(const std::string_view &str) noexcept {
@ -43,8 +51,15 @@ inline hash_t SplitMix64Hash(const std::string_view &str) noexcept {
hash_t ret = 0;
int i = 0;
size_t len = str.length();
hash_t *buf = new hash_t;
char *buf_ptr = reinterpret_cast<char *>(buf);
for (; i + 8 <= len; i += 8) {
ret ^= *reinterpret_cast<const hash_t *>(str.data() + i);
// ret ^= *reinterpret_cast<const hash_t *>(str.data() + i);
// ret ^= *reinterpret_cast<const hash_t *>(inner_salt + (i & 15));
for (int j = 0; j < 8; ++j) {
buf_ptr[j] = str[i + j];
}
ret ^= *buf;
ret ^= *reinterpret_cast<const hash_t *>(inner_salt + (i & 15));
ret += 0x9e3779b97f4a7c15;
ret = (ret ^ (ret >> 30)) * 0xbf58476d1ce4e5b9;
@ -59,6 +74,7 @@ inline hash_t SplitMix64Hash(const std::string_view &str) noexcept {
ret = (ret ^ (ret >> 27)) * 0x94d049bb133111eb;
ret ^= ret >> 31;
}
delete buf;
return ret;
}