xbattmon

simple battery monitor for X
git clone git://git.2f30.org/xbattmon.git
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commit 571a963279edbe43fd1851b2ef317f986b723347
parent b774f124f3d0f999f37fa35671aa29ebdc5c51cc
Author: sin <sin@2f30.org>
Date:   Sun Nov  2 11:20:21 +0000

Add Linux support

Diffstat:
Makefile | 2+-
xbattmon.c | 47+++++++++++++++++++++++++++++++++++++++++++++--
2 files changed, 46 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile @@ -1,7 +1,7 @@ PREFIX = /usr/local CFLAGS = -I/usr/X11R6/include -LDLIBS = -L/usr/X11R6/lib -lX11 +LDLIBS = -L/usr/X11R6/lib -lX11 # -lbsd OBJ = xbattmon.o BIN = xbattmon diff --git a/xbattmon.c b/xbattmon.c @@ -10,7 +10,9 @@ #include <stdlib.h> #include <string.h> +#ifdef __OpenBSD__ #include <machine/apmvar.h> +#endif #include <X11/Xlib.h> #include "arg.h" @@ -121,13 +123,13 @@ redraw(void) XFlush(dpy); } +#ifdef __OpenBSD__ void pollbat(void) { + struct apm_power_info info; int r; int fd; - int v; - struct apm_power_info info; #define _PATH_APM "/dev/apm" fd = open(_PATH_APM, O_RDONLY); @@ -144,6 +146,47 @@ pollbat(void) state = info.ac_state == APM_AC_ON ? AC_ON : AC_OFF; } +#elif __linux__ +void +pollbat(void) +{ + FILE *fp; + char buf[BUFSIZ]; + char *errstr; + +#define _PATH_BAT0_CAP "/sys/class/power_supply/BAT0/capacity" + fp = fopen(_PATH_BAT0_CAP, "r"); + if (fp == NULL) + err(1, "fopen %s", _PATH_BAT0_CAP); + if (fgets(buf, sizeof(buf), fp) == NULL) + if (ferror(fp)) + err(1, "fgets %s", _PATH_BAT0_CAP); + if (buf[strlen(buf) - 1] == '\n') + buf[strlen(buf) - 1] = '\0'; + fclose(fp); + + howmuch = strtonum(buf, 0, INT_MAX, &errstr); + if (errstr) + errx(1, "%s: %s", buf, errstr); + if (howmuch > maxcap) + howmuch = maxcap; + +#define _PATH_AC_ONLINE "/sys/class/power_supply/AC/online" + fp = fopen(_PATH_AC_ONLINE, "r"); + if (fp == NULL) + err(1, "fopen %s", _PATH_AC_ONLINE); + if (fgets(buf, sizeof(buf), fp) == NULL) + if (ferror(fp)) + err(1, "fgets %s", _PATH_AC_ONLINE); + if (buf[strlen(buf) - 1] == '\n'); + buf[strlen(buf) - 1] = '\0'; + fclose(fp); + + state = buf[0] == '1' ? AC_ON : AC_OFF; +} +#else +#error unsupported system +#endif Bool evpredicate()