diff options
| -rw-r--r-- | src/qt/optionsmodel.cpp | 5 | ||||
| -rw-r--r-- | src/qt/optionsmodel.h | 5 |
2 files changed, 7 insertions, 3 deletions
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp index df5248f55e..f8cbd8358a 100644 --- a/src/qt/optionsmodel.cpp +++ b/src/qt/optionsmodel.cpp @@ -240,9 +240,8 @@ void OptionsModel::SetPruneEnabled(bool prune, bool force) { QSettings settings; settings.setValue("bPrune", prune); - // Convert prune size from GB to MiB: - const uint64_t nPruneSizeMiB = (settings.value("nPruneSize").toInt() * GB_BYTES) >> 20; - std::string prune_val = prune ? std::to_string(nPruneSizeMiB) : "0"; + const int64_t prune_target_mib = PruneGBtoMiB(settings.value("nPruneSize").toInt()); + std::string prune_val = prune ? std::to_string(prune_target_mib) : "0"; if (force) { m_node.forceSetArg("-prune", prune_val); return; diff --git a/src/qt/optionsmodel.h b/src/qt/optionsmodel.h index 9751deadc4..81ab0008e4 100644 --- a/src/qt/optionsmodel.h +++ b/src/qt/optionsmodel.h @@ -22,6 +22,11 @@ static constexpr unsigned short DEFAULT_GUI_PROXY_PORT = 9050; */ static inline int PruneMiBtoGB(int64_t mib) { return (mib * 1024 * 1024 + GB_BYTES - 1) / GB_BYTES; } +/** + * Convert displayed prune target GB to configured MiB. Round down so roundtrip GB -> MiB -> GB conversion is stable. + */ +static inline int64_t PruneGBtoMiB(int gb) { return gb * GB_BYTES / 1024 / 1024; } + /** Interface from Qt to configuration data structure for Bitcoin client. To Qt, the options are presented as a list with the different options laid out vertically. |