[hackers] [slstatus] battery_perc: Port to OpenBSD. || Aaron Marcher

From: <git_AT_suckless.org>
Date: Mon, 19 Mar 2018 18:47:23 +0100 (CET)

commit 7e3f80c1a39e16973f3c9235d3f9d85df0d1b995
Author: Aaron Marcher <me_AT_drkhsh.at>
AuthorDate: Mon Mar 19 18:44:52 2018 +0100
Commit: Aaron Marcher <me_AT_drkhsh.at>
CommitDate: Mon Mar 19 18:46:52 2018 +0100

    battery_perc: Port to OpenBSD.
    
    In OpenBSD battery percentage gets fetched using apm now.

diff --git a/README b/README
index f14a3b8..ddd295b 100644
--- a/README
+++ b/README
_AT_@ -69,6 +69,6 @@ The following functions are not portable at the moment:
 - cpu_{freq,perc,iowait}
 - entropy
 - swap_{free,perc,total,used}
-- battery_{perc,power,state}
+- battery_{power,state}
 - temp
 - vol_perc
diff --git a/components/battery.c b/components/battery.c
index 52ad343..4314e81 100644
--- a/components/battery.c
+++ b/components/battery.c
_AT_@ -1,22 +1,50 @@
 /* See LICENSE file for copyright and license details. */
+#include <err.h>
+#include <stdio.h>
 #ifdef __linux__
 #include <limits.h>
-#include <stdio.h>
 #include <string.h>
+#elif __OpenBSD__
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <machine/apmvar.h>
+#endif
 
 #include "../util.h"
 
 const char *
 battery_perc(const char *bat)
 {
+#ifdef __linux__
         int perc;
         char path[PATH_MAX];
 
         snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity");
         return (pscanf(path, "%i", &perc) == 1) ?
                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 *
 battery_power(const char *bat)
 {
Received on Mon Mar 19 2018 - 18:47:23 CET