#if defined(LINUX)
#include <errno.h>
-#include <sys/stat.h>
+#include <glob.h>
#include <sys/types.h>
#endif
if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW=")) {
watt_as_unit = true;
batt_info->remaining = atoi(walk + 1);
+ batt_info->percentage_remaining = -1;
} else if (BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW=")) {
watt_as_unit = false;
batt_info->remaining = atoi(walk + 1);
+ batt_info->percentage_remaining = -1;
+ } else if (BEGINS_WITH(last, "POWER_SUPPLY_CAPACITY=") && batt_info->remaining == -1) {
+ batt_info->percentage_remaining = atoi(walk + 1);
} else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW="))
batt_info->present_rate = abs(atoi(walk + 1));
else if (BEGINS_WITH(last, "POWER_SUPPLY_VOLTAGE_NOW="))
* POWER_SUPPLY_CHARGE_NOW is the unit of measurement. The energy is
* given in mWh, the charge in mAh. So calculate every value given in
* ampere to watt */
- if (!watt_as_unit && voltage != -1) {
- batt_info->present_rate = (((float)voltage / 1000.0) * ((float)batt_info->present_rate / 1000.0));
- batt_info->remaining = (((float)voltage / 1000.0) * ((float)batt_info->remaining / 1000.0));
- batt_info->full_design = (((float)voltage / 1000.0) * ((float)batt_info->full_design / 1000.0));
- batt_info->full_last = (((float)voltage / 1000.0) * ((float)batt_info->full_last / 1000.0));
+ if (!watt_as_unit && voltage >= 0) {
+ if (batt_info->present_rate > 0) {
+ batt_info->present_rate = (((float)voltage / 1000.0) * ((float)batt_info->present_rate / 1000.0));
+ }
+ if (batt_info->remaining > 0) {
+ batt_info->remaining = (((float)voltage / 1000.0) * ((float)batt_info->remaining / 1000.0));
+ }
+ if (batt_info->full_design > 0) {
+ batt_info->full_design = (((float)voltage / 1000.0) * ((float)batt_info->full_design / 1000.0));
+ }
+ if (batt_info->full_last > 0) {
+ batt_info->full_last = (((float)voltage / 1000.0) * ((float)batt_info->full_last / 1000.0));
+ }
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
int state;
char *outwalk = buffer;
bool is_found = false;
- /* 1,000 batteries should be enough for anyone */
- for (int i = 0; i < 1000; i++) {
- char batpath[1024];
- (void)snprintf(batpath, sizeof(batpath), path, i);
-
- if (!strcmp(batpath, path)) {
- OUTPUT_FULL_TEXT("no '%d' in battery path");
- return false;
- }
+ char *placeholder;
+ char *globpath = sstrdup(path);
+ if ((placeholder = strstr(path, "%d")) != NULL) {
+ char *globplaceholder = globpath + (placeholder - path);
+ *globplaceholder = '*';
+ strcpy(globplaceholder + 1, placeholder + 2);
+ }
- /* Probe to see if there is such a battery. */
- struct stat sb;
- if (stat(batpath, &sb) != 0) {
- /* No such file, then we are done, assuming sysfs files have sequential numbers. */
- if (errno == ENOENT)
- break;
+ if (!strcmp(globpath, path)) {
+ OUTPUT_FULL_TEXT("no '%d' in battery path");
+ return false;
+ }
- OUTPUT_FULL_TEXT(format_down);
- return false;
+ glob_t globbuf;
+ if (glob(globpath, 0, NULL, &globbuf) == 0) {
+ for (size_t i = 0; i < globbuf.gl_pathc; i++) {
+ /* Probe to see if there is such a battery. */
+ struct battery_info batt_buf = {
+ .full_design = 0,
+ .full_last = 0,
+ .remaining = 0,
+ .present_rate = 0,
+ .status = CS_UNKNOWN,
+ };
+ if (!slurp_battery_info(&batt_buf, json_gen, buffer, i, globbuf.gl_pathv[i], format_down))
+ return false;
+
+ is_found = true;
+ add_battery_info(batt_info, &batt_buf);
}
-
- struct battery_info batt_buf = {
- .full_design = 0,
- .full_last = 0,
- .remaining = 0,
- .present_rate = 0,
- .status = CS_UNKNOWN,
- };
- if (!slurp_battery_info(&batt_buf, json_gen, buffer, i, path, format_down))
- return false;
-
- is_found = true;
- add_battery_info(batt_info, &batt_buf);
}
+ globfree(&globbuf);
+ free(globpath);
if (!is_found) {
OUTPUT_FULL_TEXT(format_down);
/* These OSes report battery stats in whole percent. */
integer_battery_capacity = true;
#endif
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__OpenBSD__)
/* These OSes report battery time in minutes. */
hide_seconds = true;
#endif
return;
}
- int full = (last_full_capacity ? batt_info.full_last : batt_info.full_design);
- if (full < 0 && batt_info.percentage_remaining < 0) {
+ // *Choose* a measure of the 'full' battery. It is whichever is better of
+ // the battery's (hardware-given) design capacity (batt_info.full_design)
+ // and the battery's last known good charge (batt_info.full_last).
+ // We prefer the design capacity, but use the last capacity if we don't have it,
+ // or if we are asked to (last_full_capacity == true); but similarly we use
+ // the design capacity if we don't have the last capacity.
+ // If we don't have either then both full_design and full_last < 0,
+ // which implies full < 0, which bails out on the following line.
+ int full = batt_info.full_design;
+ if (full < 0 || (last_full_capacity && batt_info.full_last >= 0)) {
+ full = batt_info.full_last;
+ }
+ if (full < 0 && batt_info.remaining < 0 && batt_info.percentage_remaining < 0) {
/* We have no physical measurements and no estimates. Nothing
* much we can report, then. */
OUTPUT_FULL_TEXT(format_down);
} else if (BEGINS_WITH(walk + 1, "emptytime")) {
if (batt_info.seconds_remaining >= 0) {
time_t empty_time = time(NULL) + batt_info.seconds_remaining;
+ set_timezone(NULL); /* Use local time. */
struct tm *empty_tm = localtime(&empty_time);
if (hide_seconds)