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🐛 fixed unsigned underflow when negative

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This commit is contained in:
EntireTwix 2023-01-10 22:21:38 -08:00
parent 6dad3ed0af
commit 2419641cd0
1 changed files with 1 additions and 2 deletions
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3
src/bank.cpp
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@ -179,7 +179,6 @@ bool Bank::VerifyPassword(const std::string &name, const std::string_view &attem
Bank::users.if_contains(name, [&res, &attempt](const User &u) { res = (u.password == xxHashStringGen{}(attempt)); });
return res;
}
void Bank::ChangePassword(const std::string &name, const std::string &new_pass) noexcept
{
SET_CHANGES_ON;
@ -211,7 +210,7 @@ BankResponse Bank::ImpactBal(const std::string &name, int64_t amount) noexcept
}
uint32_t bal;
if (ValidUsername(name) && Bank::users.modify_if(name, [&bal, &amount](User &u) {
if (u.balance < (amount * -1)) { amount = -u.balance; };
if (u.balance < (amount * -1)) { amount = -int64_t(u.balance); };
bal = u.balance += amount;
#if MAX_LOG_SIZE > 0
u.log.AddTrans("Ω", (amount > 0), std::abs(amount), time(NULL));