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fix: handle malformed printer progress values safely

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This commit is contained in:
peachismomo
2026-09-23 02:53:10 +08:00
parent f1410c8cac
commit d5962052ca
1 changed files with 9 additions and 3 deletions
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src/slic3r/GUI/DeviceManager.cpp
+9 -3
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@@ -16,6 +16,7 @@
#include "ReleaseNote.hpp" #include "ReleaseNote.hpp"
#include <thread> #include <thread>
#include <mutex> #include <mutex>
#include <charconv>
#include <codecvt> #include <codecvt>
#include <boost/foreach.hpp> #include <boost/foreach.hpp>
#include <boost/typeof/typeof.hpp> #include <boost/typeof/typeof.hpp>
@@ -2602,9 +2603,14 @@ void MachineObject::set_print_state(std::string status)
// why: printer agents can report progress without BBL cloud task identity. // why: printer agents can report progress without BBL cloud task identity.
void MachineObject::update_print_progress(const json& value) void MachineObject::update_print_progress(const json& value)
{ {
if (value.is_string()) if (value.is_string()) {
mc_print_percent = stoi(value.get<std::string>()); const std::string progress = value.get<std::string>();
else if (value.is_number_integer()) int parsed_progress;
const auto result = std::from_chars(progress.data(), progress.data() + progress.size(), parsed_progress);
if (result.ec != std::errc{} || result.ptr != progress.data() + progress.size())
return;
mc_print_percent = parsed_progress;
} else if (value.is_number_integer())
mc_print_percent = value.get<int>(); mc_print_percent = value.get<int>();
else else
return; return;