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qt: Avoid crash on startup if int specified in settings.json

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Fix GUI startup crash reported by Rspigler in
https://github.com/bitcoin/bitcoin/issues/24457 that happens if
settings.json contains an integer value for any of the configuration
options which GUI settings can currently clash with (-dbcache, -par,
-spendzeroconfchange, -signer, -upnp, -natpmp, -listen, -server, -proxy,
-proxy, -onion, -onion, -lang, and -prune).

Fix is a one-line change in ArgsManager::GetArg.
This commit is contained in:
Ryan Ofsky
2022-03-07 13:29:46 -05:00
parent 84b0973e35
commit 5b1aae12ca
3 changed files with 8 additions and 8 deletions
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2
src/util/system.cpp
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@@ -591,7 +591,7 @@ bool ArgsManager::IsArgNegated(const std::string& strArg) const
std::string ArgsManager::GetArg(const std::string& strArg, const std::string& strDefault) const
{
const util::SettingsValue value = GetSetting(strArg);
return value.isNull() ? strDefault : value.isFalse() ? "0" : value.isTrue() ? "1" : value.get_str();
return value.isNull() ? strDefault : value.isFalse() ? "0" : value.isTrue() ? "1" : value.isNum() ? value.getValStr() : value.get_str();
}
int64_t ArgsManager::GetIntArg(const std::string& strArg, int64_t nDefault) const