forked from enlightenment/evisum
machine: Explain use of machine and tidy Linuxisms
The functions machine.h provides are deliberately using standard functions from a base install of the operating system. This IS intentional. I'd like to be able to modify and reuse this anywhere without having to untangle additional dependencies from machine to machine.
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b018c8a3f7
commit
09e8249689
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@ -13,6 +13,7 @@
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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*/
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#define _DEFAULT_SOURCE
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#define _DEFAULT_SOURCE
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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@ -76,7 +77,7 @@ _network_transfer_get_thread_cb(void *arg)
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system_network_transfer_get(usage);
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system_network_transfer_get(usage);
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return (void *)0;
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return NULL;
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}
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}
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void
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void
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@ -86,13 +87,10 @@ system_info_all_free(Sys_Info *info)
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int i;
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int i;
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for (i = 0; i < info->cpu_count; i++)
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for (i = 0; i < info->cpu_count; i++)
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{
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free(info->cores[i]);
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free(info->cores[i]);
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}
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free(info->cores);
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free(info->cores);
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for (i = 0; i < info->sensor_count; i++)
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for (i = 0; i < info->sensor_count; i++) {
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{
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snsr = info->sensors[i];
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snsr = info->sensors[i];
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if (snsr->name)
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if (snsr->name)
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free(snsr->name);
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free(snsr->name);
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@ -101,8 +99,7 @@ system_info_all_free(Sys_Info *info)
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if (info->sensors)
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if (info->sensors)
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free(info->sensors);
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free(info->sensors);
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for (i = 0; i < info->power.battery_count; i++)
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for (i = 0; i < info->power.battery_count; i++) {
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{
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if (info->power.batteries[i]->name)
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if (info->power.batteries[i]->name)
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free(info->power.batteries[i]->name);
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free(info->power.batteries[i]->name);
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#if defined(__OpenBSD__)
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#if defined(__OpenBSD__)
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@ -1,6 +1,12 @@
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#ifndef __MACHINE_H__
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#ifndef __MACHINE_H__
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#define __MACHINE_H__
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#define __MACHINE_H__
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/* All functions and data types implementing these APIs have no additional
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* system dependencies deliberately.
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*
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* See machine.c and the files includes in machine/ sub directory.
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*/
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#include <stdint.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdbool.h>
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@ -13,15 +19,15 @@ typedef struct
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typedef struct
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typedef struct
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{
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{
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unsigned long long total;
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uint64_t total;
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unsigned long long used;
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uint64_t used;
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unsigned long long cached;
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uint64_t cached;
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unsigned long long buffered;
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uint64_t buffered;
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unsigned long long shared;
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uint64_t shared;
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unsigned long long swap_total;
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uint64_t swap_total;
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unsigned long long swap_used;
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uint64_t swap_used;
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unsigned long long zfs_arc_used;
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uint64_t zfs_arc_used;
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} meminfo_t;
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} meminfo_t;
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typedef struct
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typedef struct
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@ -63,11 +69,12 @@ struct Sys_Info
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{
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{
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int cpu_count;
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int cpu_count;
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cpu_core_t **cores;
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cpu_core_t **cores;
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meminfo_t memory;
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meminfo_t memory;
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power_t power;
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power_t power;
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int sensor_count;
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int sensor_count;
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sensor_t **sensors;
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sensor_t **sensors;
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network_t network_usage;
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network_t network_usage;
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};
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};
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@ -15,6 +15,9 @@
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*/
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*/
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#if defined(__linux__)
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#if defined(__linux__)
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#include <stdarg.h>
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char *
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char *
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file_contents(const char *path)
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file_contents(const char *path)
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{
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{
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@ -49,6 +52,20 @@ file_contents(const char *path)
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return buf;
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return buf;
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}
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}
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char *
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strsli_printf(const char *fmt, ...)
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{
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static char buf[4096];
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va_list ap;
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buf[0] = 0x00;
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va_start(ap, fmt);
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vsnprintf(buf, sizeof(buf), fmt, ap);
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va_end(ap);
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return buf;
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}
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#endif
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#endif
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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@ -71,7 +71,6 @@ system_sensors_thermal_get(int *sensor_count)
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#elif defined(__linux__)
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#elif defined(__linux__)
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sensor_t *sensor;
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sensor_t *sensor;
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char *type, *value;
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char *type, *value;
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char path[PATH_MAX];
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struct dirent **names;
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struct dirent **names;
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int i, n;
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int i, n;
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@ -84,10 +83,8 @@ system_sensors_thermal_get(int *sensor_count)
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free(names[i]);
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free(names[i]);
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continue;
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continue;
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}
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}
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snprintf(path, sizeof(path), "/sys/class/thermal/%s/type",
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names[i]->d_name);
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type = file_contents(path);
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type = file_contents(strsli_printf("/sys/class/thermal/%s/type", names[i]->d_name));
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if (type)
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if (type)
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{
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{
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sensors =
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sensors =
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sensors[(*sensor_count)++] =
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sensors[(*sensor_count)++] =
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sensor = calloc(1, sizeof(sensor_t));
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sensor = calloc(1, sizeof(sensor_t));
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sensor->name = strdup(type);
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sensor->name = type;
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snprintf(path, sizeof(path), "/sys/class/thermal/%s/temp",
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names[i]->d_name);
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value = file_contents(path);
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value = file_contents(strsli_printf("/sys/class/thermal/%s/temp", names[i]->d_name));
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if (!value)
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if (!value)
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sensor->invalid = true;
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sensor->invalid = true;
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else
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else
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sensor->value = (float)atoi(value) / 1000.0;
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sensor->value = (float)atoi(value) / 1000.0;
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free(value);
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free(value);
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}
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}
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free(type);
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}
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}
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free(names[i]);
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free(names[i]);
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@ -180,7 +174,6 @@ _power_battery_count_get(power_t *power)
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}
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}
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#elif defined(__linux__)
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#elif defined(__linux__)
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char *type;
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char *type;
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char path[PATH_MAX];
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struct dirent **names;
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struct dirent **names;
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int i, n, id;
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int i, n, id;
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@ -188,10 +181,7 @@ _power_battery_count_get(power_t *power)
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if (n < 0) return power->battery_count;
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if (n < 0) return power->battery_count;
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for (i = 0; i < n; i++) {
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for (i = 0; i < n; i++) {
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snprintf(path, sizeof(path), "/sys/class/power_supply/%s/type",
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type = file_contents(strsli_printf("/sys/class/power_supply/%s/type", names[i]->d_name));
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names[i]->d_name);
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type = file_contents(path);
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if (type)
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if (type)
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{
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{
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if (!strncmp(type, "Battery", 7))
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if (!strncmp(type, "Battery", 7))
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close(fd);
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close(fd);
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#elif defined(__linux__)
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#elif defined(__linux__)
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char path[PATH_MAX];
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const char *path;
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struct dirent *dh;
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struct dirent *dh;
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struct stat st;
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struct stat st;
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DIR *dir;
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DIR *dir;
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char *model, *vendor;
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char *model, *vendor;
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char *buf, *naming = NULL;
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char *buf, *naming = NULL;
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int i = 0;
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unsigned long charge_full = 0;
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unsigned long charge_current = 0;
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for (i = 0; i < power->battery_count; i++) {
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for (int i = 0; i < power->battery_count; i++) {
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naming = NULL;
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naming = NULL;
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snprintf(path, sizeof(path), "/sys/class/power_supply/%s",
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power->batteries[i]->name);
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if (stat(path, &st) < 0) continue;
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path = strsli_printf("/sys/class/power_suppy/%s", power->batteries[i]->name);
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if (S_ISLNK(st.st_mode)) continue;
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if (!S_ISDIR(st.st_mode)) continue;
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if (((stat(path, &st) < 0)) || (S_ISLNK(st.st_mode)) || (!S_ISDIR(st.st_mode)))
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continue;
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dir = opendir(path);
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dir = opendir(path);
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if (!dir) return;
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if (!dir) return;
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if (!naming)
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if (!naming)
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continue;
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continue;
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snprintf(path, sizeof(path), "/sys/class/power_supply/%s/%s_full",
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buf = file_contents(strsli_printf("/sys/class/power_supply/%s/%s_full",
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power->batteries[i]->name, naming);
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power->batteries[i]->name, naming));
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buf = file_contents(path);
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if (buf)
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if (buf)
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{
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{
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charge_full = atol(buf);
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power->batteries[i]->charge_full = atol(buf);
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free(buf);
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free(buf);
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}
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}
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snprintf(path, sizeof(path), "/sys/class/power_supply/%s/%s_now",
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buf = file_contents(strsli_printf("/sys/class/power_supply/%s/%s_now",
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power->batteries[i]->name, naming);
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power->batteries[i]->name, naming));
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buf = file_contents(path);
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if (buf)
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if (buf)
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{
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{
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charge_current = atol(buf);
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power->batteries[i]->charge_current = atol(buf);
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free(buf);
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free(buf);
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}
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}
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snprintf(path, sizeof(path), "/sys/class/power_supply/%s/manufacturer",
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vendor = file_contents(strsli_printf("/sys/class/power_supply/%s/manufacturer",
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power->batteries[i]->name);
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power->batteries[i]->name));
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vendor = file_contents(path);
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model = file_contents(strsli_printf("/sys/class/power_supply/%s/model_name",
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power->batteries[i]->name));
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snprintf(path, sizeof(path), "/sys/class/power_supply/%s/model_name",
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power->batteries[i]->name);
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model = file_contents(path);
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if (vendor && vendor[0] && model && model[0])
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if (vendor && vendor[0] && model && model[0])
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{
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{
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char name[256];
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int len;
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int len;
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len = strlen(vendor) - 1;
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len = strlen(vendor) - 1;
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model[len] = '\0';
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model[len] = '\0';
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free(power->batteries[i]->name);;
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free(power->batteries[i]->name);;
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snprintf(name, sizeof(name), "%s %s", vendor, model);
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power->batteries[i]->name = strdup(strsli_printf("%s %s", vendor, model));
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power->batteries[i]->name = strdup(name);
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}
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}
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power->batteries[i]->charge_full = charge_full;
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power->batteries[i]->charge_current = charge_current;
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if (model)
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if (model)
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free(model);
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free(model);
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if (vendor)
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if (vendor)
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}
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}
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#endif
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#endif
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_battery_state_get(power);
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_battery_state_get(power);
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for (i = 0; i < power->battery_count; i++) {
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for (i = 0; i < power->battery_count; i++) {
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double percent = 100 *
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power->batteries[i]->percent = 100 *
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(power->batteries[i]->charge_current /
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(power->batteries[i]->charge_current /
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power->batteries[i]->charge_full);
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power->batteries[i]->charge_full);
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power->batteries[i]->percent = percent;
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}
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}
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}
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}
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