battery_perc: Port to OpenBSD.
In OpenBSD battery percentage gets fetched using apm now.
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README
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README
@ -69,6 +69,6 @@ The following functions are not portable at the moment:
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- cpu_{freq,perc,iowait}
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- entropy
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- swap_{free,perc,total,used}
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- battery_{perc,power,state}
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- battery_{power,state}
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- temp
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- vol_perc
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@ -1,22 +1,50 @@
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/* See LICENSE file for copyright and license details. */
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#include <err.h>
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#include <stdio.h>
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#ifdef __linux__
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#elif __OpenBSD__
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <machine/apmvar.h>
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#endif
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#include "../util.h"
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const char *
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battery_perc(const char *bat)
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{
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#ifdef __linux__
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int perc;
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char path[PATH_MAX];
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snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity");
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return (pscanf(path, "%i", &perc) == 1) ?
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bprintf("%d", perc) : NULL;
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#elif __OpenBSD__
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struct apm_power_info apm_info;
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int fd;
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fd = open("/dev/apm", O_RDONLY);
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if (fd < 0) {
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warn("Failed to open file /dev/apm");
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return NULL;
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}
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if (ioctl(fd, APM_IOC_GETPOWER, &apm_info) < 0) {
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warn("Failed to get battery info");
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close(fd);
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return NULL;
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}
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close(fd);
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return bprintf("%d", apm_info.battery_life);
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#endif
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}
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#ifdef __linux__
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const char *
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battery_power(const char *bat)
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{
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