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battery: guard _exists = true assignment inside if condition

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This commit is contained in:
Evans
2026-04-28 04:53:19 +00:00
parent cca8dc38b6
commit 255f17d13c
1 changed files with 46 additions and 31 deletions
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src/modules/battery.cpp
+46 -31
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@@ -296,63 +296,73 @@ waybar::modules::Battery::getInfos() {
int32_t _current_now_int = 0;
bool current_now_exists = false;
if (fs::exists(bat / "current_now")) {
current_now_exists = true;
std::ifstream(bat / "current_now") >> _current_now_int;
if (std::ifstream(bat / "current_now") >> _current_now_int) {
current_now_exists = true;
}
} else if (fs::exists(bat / "current_avg")) {
current_now_exists = true;
std::ifstream(bat / "current_avg") >> _current_now_int;
if (std::ifstream(bat / "current_avg") >> _current_now_int) {
current_now_exists = true;
}
}
// Documentation ABI allows a negative value when discharging, positive
// value when charging.
current_now = std::abs(_current_now_int);
if (fs::exists(bat / "time_to_empty_now")) {
time_to_empty_now_exists = true;
std::ifstream(bat / "time_to_empty_now") >> time_to_empty_now;
if (std::ifstream(bat / "time_to_empty_now") >> time_to_empty_now) {
time_to_empty_now_exists = true;
}
}
if (fs::exists(bat / "time_to_full_now")) {
time_to_full_now_exists = true;
std::ifstream(bat / "time_to_full_now") >> time_to_full_now;
if (std::ifstream(bat / "time_to_full_now") >> time_to_full_now) {
time_to_full_now_exists = true;
}
}
uint32_t voltage_now = 0;
bool voltage_now_exists = false;
if (fs::exists(bat / "voltage_now")) {
voltage_now_exists = true;
std::ifstream(bat / "voltage_now") >> voltage_now;
if (std::ifstream(bat / "voltage_now") >> voltage_now) {
voltage_now_exists = true;
}
} else if (fs::exists(bat / "voltage_avg")) {
voltage_now_exists = true;
std::ifstream(bat / "voltage_avg") >> voltage_now;
if (std::ifstream(bat / "voltage_avg") >> voltage_now) {
voltage_now_exists = true;
}
}
uint32_t charge_full = 0;
bool charge_full_exists = false;
if (fs::exists(bat / "charge_full")) {
charge_full_exists = true;
std::ifstream(bat / "charge_full") >> charge_full;
if (std::ifstream(bat / "charge_full") >> charge_full) {
charge_full_exists = true;
}
}
uint32_t charge_full_design = 0;
bool charge_full_design_exists = false;
if (fs::exists(bat / "charge_full_design")) {
charge_full_design_exists = true;
std::ifstream(bat / "charge_full_design") >> charge_full_design;
if (std::ifstream(bat / "charge_full_design") >> charge_full_design) {
charge_full_design_exists = true;
}
}
uint32_t charge_now = 0;
bool charge_now_exists = false;
if (fs::exists(bat / "charge_now")) {
charge_now_exists = true;
std::ifstream(bat / "charge_now") >> charge_now;
if (std::ifstream(bat / "charge_now") >> charge_now) {
charge_now_exists = true;
}
}
uint32_t power_now = 0;
int32_t _power_now_int = 0;
bool power_now_exists = false;
if (fs::exists(bat / "power_now")) {
power_now_exists = true;
std::ifstream(bat / "power_now") >> _power_now_int;
if (std::ifstream(bat / "power_now") >> _power_now_int) {
power_now_exists = true;
}
}
// Some drivers (example: Qualcomm) exposes use a negative value when
// discharging, positive value when charging.
@@ -361,22 +371,25 @@ waybar::modules::Battery::getInfos() {
uint32_t energy_now = 0;
bool energy_now_exists = false;
if (fs::exists(bat / "energy_now")) {
energy_now_exists = true;
std::ifstream(bat / "energy_now") >> energy_now;
if (std::ifstream(bat / "energy_now") >> energy_now) {
energy_now_exists = true;
}
}
uint32_t energy_full = 0;
bool energy_full_exists = false;
if (fs::exists(bat / "energy_full")) {
energy_full_exists = true;
std::ifstream(bat / "energy_full") >> energy_full;
if (std::ifstream(bat / "energy_full") >> energy_full) {
energy_full_exists = true;
}
}
uint32_t energy_full_design = 0;
bool energy_full_design_exists = false;
if (fs::exists(bat / "energy_full_design")) {
energy_full_design_exists = true;
std::ifstream(bat / "energy_full_design") >> energy_full_design;
if (std::ifstream(bat / "energy_full_design") >> energy_full_design) {
energy_full_design_exists = true;
}
}
uint16_t cycleCount = 0;
@@ -412,8 +425,9 @@ waybar::modules::Battery::getInfos() {
capacity_exists = true;
capacity = 100 * (uint64_t)energy_now / (uint64_t)energy_full;
} else if (fs::exists(bat / "capacity")) {
capacity_exists = true;
std::ifstream(bat / "capacity") >> capacity;
if (std::ifstream(bat / "capacity") >> capacity) {
capacity_exists = true;
}
}
if (!voltage_now_exists) {
@@ -593,11 +607,12 @@ waybar::modules::Battery::getInfos() {
float calculated_capacity{0.0f};
if (total_capacity_exists) {
if (total_capacity > 0.0f)
if (total_capacity > 0.0f) {
calculated_capacity = (float)total_capacity / batteries_.size();
else if (total_energy_full_exists && total_energy_exists) {
if (total_energy_full > 0.0f)
} else if (total_energy_full_exists && total_energy_exists) {
if (total_energy_full > 0.0f) {
calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
}
}
}