battery_perc: Port to OpenBSD.

In OpenBSD battery percentage gets fetched using apm now.
This commit is contained in:
Aaron Marcher 2018-03-19 18:44:52 +01:00
parent ad5b7c8b1c
commit 7e3f80c1a3
2 changed files with 30 additions and 2 deletions

2
README
View File

@ -69,6 +69,6 @@ The following functions are not portable at the moment:
- cpu_{freq,perc,iowait} - cpu_{freq,perc,iowait}
- entropy - entropy
- swap_{free,perc,total,used} - swap_{free,perc,total,used}
- battery_{perc,power,state} - battery_{power,state}
- temp - temp
- vol_perc - vol_perc

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@ -1,22 +1,50 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <err.h>
#include <stdio.h>
#ifdef __linux__ #ifdef __linux__
#include <limits.h> #include <limits.h>
#include <stdio.h>
#include <string.h> #include <string.h>
#elif __OpenBSD__
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <machine/apmvar.h>
#endif
#include "../util.h" #include "../util.h"
const char * const char *
battery_perc(const char *bat) battery_perc(const char *bat)
{ {
#ifdef __linux__
int perc; int perc;
char path[PATH_MAX]; char path[PATH_MAX];
snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity"); snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity");
return (pscanf(path, "%i", &perc) == 1) ? return (pscanf(path, "%i", &perc) == 1) ?
bprintf("%d", perc) : NULL; bprintf("%d", perc) : NULL;
#elif __OpenBSD__
struct apm_power_info apm_info;
int fd;
fd = open("/dev/apm", O_RDONLY);
if (fd < 0) {
warn("Failed to open file /dev/apm");
return NULL;
}
if (ioctl(fd, APM_IOC_GETPOWER, &apm_info) < 0) {
warn("Failed to get battery info");
close(fd);
return NULL;
}
close(fd);
return bprintf("%d", apm_info.battery_life);
#endif
} }
#ifdef __linux__
const char * const char *
battery_power(const char *bat) battery_power(const char *bat)
{ {