battery: OS split

[slstatus.git] / components / OpenBSD / battery.c

diff --git a/components/OpenBSD/battery.c b/components/OpenBSD/battery.c
new file mode 100644 (file)
index 0000000..daefd77
--- /dev/null
+++ b/components/OpenBSD/battery.c
@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <machine/apmvar.h>
+
+#include "../../util.h"
+
+const char *
+battery_perc(const char *null)
+{
+       struct apm_power_info apm_info;
+       int fd;
+
+       fd = open("/dev/apm", O_RDONLY);
+       if (fd < 0) {
+               fprintf(stderr, "open '/dev/apm': %s\n", strerror(errno));
+               return NULL;
+       }
+
+       if (ioctl(fd, APM_IOC_GETPOWER, &apm_info) < 0) {
+               fprintf(stderr, "ioctl 'APM_IOC_GETPOWER': %s\n", strerror(errno));
+               close(fd);
+               return NULL;
+       }
+       close(fd);
+
+       return bprintf("%d", apm_info.battery_life);
+}