mirror of
https://github.com/pikami/slstatus.git
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completely new system: only values in config file get updated + cleaner code
This commit is contained in:
Aaron Marcher
Aaron Marcher (drkhsh)
parent
a97e843918
commit
b176d0a2d0
44
config.def.h
44
config.def.h
@ -1,37 +1,33 @@
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/* See LICENSE file for copyright and license details. */
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/* alsa sound */
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static const char soundcard[] = "default";
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static const char channel[] = "Master";
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/* cpu temperature */
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static const char tempfile[] = "/sys/devices/platform/coretemp.0/hwmon/hwmon2/temp1_input";
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/* wifi */
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static const char wificard[] = "wlp3s0";
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/* battery */
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static const char batterynowfile[] = "/sys/class/power_supply/BAT0/energy_now";
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static const char batteryfullfile[] = "/sys/class/power_supply/BAT0/energy_full_design";
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/* time */
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static const char timeformat[] = "%y-%m-%d %H:%M:%S";
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static const char batterypath[] = "/sys/class/power_supply/";
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static const char batterynow[] = "energy_now";
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static const char batteryfull[] = "energy_full_design";
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/* bar update interval in seconds (smallest value = 1) */
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static unsigned int update_interval = 1;
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/* mountpoint for diskusage */
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static const char mountpath[] = "/home";
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/* statusbar
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Possible arguments:
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- battery (battery percentage)
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- cpu_temperature (cpu temperature in degrees)
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- get_battery (battery percentage) [argument: battery name]
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- cpu_temperature (cpu temperature in degrees) [argument: temperature file]
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- cpu usage (cpu usage in percent)
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- datetime (date and time)
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- diskusage (disk usage in percent)
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- datetime (date and time) [argument: format]
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- diskusage (disk usage in percent) [argument: mountpoint]
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- ram_usage (ram usage in percent)
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- volume (alsa volume and mute status in percent)
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- wifi_signal (wifi signal in percent) */
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#define FORMATSTRING "wifi %4s | bat %4s | cpu %4s %3s | ram %3s | vol %4s | disk %4s | %3s"
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#define ARGUMENTS wifi_signal, battery, cpu_usage, cpu_temperature, ram_usage, volume, diskusage, datetime
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- volume (alsa volume and mute status in percent) [argument: soundcard]
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- wifi_signal (wifi signal in percent) [argument: wifi card interface name] */
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static const struct arg args[] = {
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/* function format argument */
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{ get_wifi_signal, "wifi %4s | ", "wlp3s0" },
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{ get_battery, "bat %4s | ", "BAT0" },
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{ get_cpu_usage, "cpu %4s ", NULL },
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{ get_cpu_temperature, "%3s | ", "/sys/devices/platform/coretemp.0/hwmon/hwmon2/temp1_input" },
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{ get_ram_usage, "ram %3s | ", NULL },
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{ get_volume, "vol %4s | ", "default" },
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{ get_diskusage, "ssd %3s | ", "/" },
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{ get_datetime, "%s", "%y-%m-%d %H:%M:%S" }
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};
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163
slstatus.c
163
slstatus.c
@ -15,64 +15,48 @@
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#include <unistd.h>
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#include <X11/Xlib.h>
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/* local libraries */
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#include "config.h"
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/* check file macro */
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#define CHECK_FILE(X,Y) do { \
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if (stat(X,&Y) < 0) return -1; \
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if (!S_ISREG(Y.st_mode)) return -1; \
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} while (0);
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/* functions */
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int config_check();
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void setstatus(char *str);
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char *smprintf(char *fmt, ...);
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char *get_battery();
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char *get_cpu_temperature();
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char *get_cpu_usage();
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char *get_datetime();
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char *get_diskusage();
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char *get_ram_usage();
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char *get_volume();
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char *get_wifi_signal();
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/* global variables */
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static Display *dpy;
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/* check configured paths */
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int
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config_check()
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{
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struct stat fs;
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/* statusbar configuration type and struct */
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typedef char *(*op_fun) (const char *);
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struct arg {
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op_fun func;
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const char *format;
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const char *args;
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};
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/* check all files in the config.h file */
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CHECK_FILE(batterynowfile, fs);
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CHECK_FILE(batteryfullfile, fs);
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CHECK_FILE(tempfile, fs);
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/* functions */
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void setstatus(const char *);
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char *smprintf(const char *, ...);
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char *get_battery(const char *);
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char *get_cpu_temperature(const char *);
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char *get_cpu_usage(const char *);
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char *get_datetime(const char *);
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char *get_diskusage(const char *);
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char *get_ram_usage(const char *);
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char *get_volume(const char *);
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char *get_wifi_signal(const char *);
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/* check update interval */
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if (update_interval < 1)
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return -1;
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/* include config header */
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#include "config.h"
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/* exit successfully */
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return 0;
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}
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/* set statusbar (WM_NAME) */
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/* set statusbar */
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void
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setstatus(char *str)
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setstatus(const char *str)
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{
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/* set WM_NAME via X11 */
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XStoreName(dpy, DefaultRootWindow(dpy), str);
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XSync(dpy, False);
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}
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/* smprintf function */
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char *
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smprintf(char *fmt, ...)
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smprintf(const char *fmt, ...)
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{
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va_list fmtargs;
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char *ret = NULL;
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va_start(fmtargs, fmt);
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if (vasprintf(&ret, fmt, fmtargs) < 0)
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return NULL;
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@ -83,14 +67,28 @@ smprintf(char *fmt, ...)
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/* battery percentage */
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char *
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get_battery()
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get_battery(const char *battery)
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{
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int now, full, perc;
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char batterynowfile[64] = "";
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char batteryfullfile[64] = "";
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FILE *fp;
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/* generate battery nowfile path */
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strcat(batterynowfile, batterypath);
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strcat(batterynowfile, battery);
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strcat(batterynowfile, "/");
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strcat(batterynowfile, batterynow);
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/* generate battery fullfile path */
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strcat(batteryfullfile, batterypath);
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strcat(batteryfullfile, battery);
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strcat(batteryfullfile, "/");
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strcat(batteryfullfile, batteryfull);
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/* open battery now file */
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if (!(fp = fopen(batterynowfile, "r"))) {
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fprintf(stderr, "Error opening battery file.");
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fprintf(stderr, "Error opening battery file.%s",batterynowfile);
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return smprintf("n/a");
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}
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@ -121,13 +119,13 @@ get_battery()
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/* cpu temperature */
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char *
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get_cpu_temperature()
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get_cpu_temperature(const char *file)
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{
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int temperature;
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FILE *fp;
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/* open temperature file */
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if (!(fp = fopen(tempfile, "r"))) {
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if (!(fp = fopen(file, "r"))) {
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fprintf(stderr, "Could not open temperature file.\n");
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return smprintf("n/a");
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}
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@ -144,7 +142,7 @@ get_cpu_temperature()
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/* cpu percentage */
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char *
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get_cpu_usage()
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get_cpu_usage(const char *null)
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{
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int perc;
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long double a[4], b[4];
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@ -186,7 +184,7 @@ get_cpu_usage()
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/* date and time */
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char *
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get_datetime()
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get_datetime(const char *timeformat)
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{
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time_t tm;
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size_t bufsize = 64;
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@ -208,13 +206,13 @@ get_datetime()
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/* disk usage percentage */
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char *
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get_diskusage()
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get_diskusage(const char *mountpoint)
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{
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int perc = 0;
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struct statvfs fs;
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/* try to open mountpoint */
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if (statvfs(mountpath, &fs) < 0) {
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if (statvfs(mountpoint, &fs) < 0) {
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fprintf(stderr, "Could not get filesystem info.\n");
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return smprintf("n/a");
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}
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@ -228,7 +226,7 @@ get_diskusage()
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/* ram percentage */
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char *
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get_ram_usage()
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get_ram_usage(const char *null)
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{
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int perc;
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long total, free, buffers, cached;
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@ -258,7 +256,7 @@ get_ram_usage()
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/* alsa volume percentage */
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char *
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get_volume()
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get_volume(const char *soundcard)
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{
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int mute = 0;
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long vol = 0, max = 0, min = 0;
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@ -296,24 +294,22 @@ get_volume()
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/* wifi percentage */
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char *
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get_wifi_signal()
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get_wifi_signal(const char *wificard)
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{
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int bufsize = 255;
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int strength;
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char buf[bufsize];
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char *datastart;
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char path_start[16] = "/sys/class/net/";
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char path_end[11] = "/operstate";
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char path[32];
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char path[64];
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char status[5];
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char needle[sizeof wificard + 1];
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FILE *fp;
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/* generate the path name */
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memset(path, 0, sizeof path);
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strcat(path, path_start);
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strcat(path, "/sys/class/net/");
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strcat(path, wificard);
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strcat(path, path_end);
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strcat(path, "/operstate");
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/* open wifi file */
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if(!(fp = fopen(path, "r"))) {
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@ -360,53 +356,30 @@ get_wifi_signal()
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int
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main()
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{
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char status[1024];
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char *battery = NULL;
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char *cpu_temperature = NULL;
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char *cpu_usage = NULL;
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char *datetime = NULL;
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char *diskusage = NULL;
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char *ram_usage = NULL;
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char *volume = NULL;
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char *wifi_signal = NULL;
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char status_string[1024];
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struct arg argument;
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/* check config for sanity */
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if (config_check() < 0) {
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fprintf(stderr, "Config error, please check paths and interval and recompile!\n");
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exit(1);
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}
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/* open display */
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/* try to open display */
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if (!(dpy = XOpenDisplay(0x0))) {
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fprintf(stderr, "Cannot open display!\n");
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exit(1);
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}
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/* return status every second */
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/* return status every interval */
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for (;;) {
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/* assign the values */
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battery = get_battery();
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cpu_temperature = get_cpu_temperature();
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cpu_usage = get_cpu_usage();
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datetime = get_datetime();
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diskusage = get_diskusage();
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ram_usage = get_ram_usage();
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volume = get_volume();
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wifi_signal = get_wifi_signal();
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/* clear the string */
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strcpy(status_string, "");
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/* return the status */
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sprintf(status, FORMATSTRING, ARGUMENTS);
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setstatus(status);
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/* generate status_string */
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for (size_t i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
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argument = args[i];
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char *res = argument.func(argument.args);
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char *element = smprintf(argument.format, res);
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strcat(status_string, element);
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}
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/* free the values */
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free(battery);
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free(cpu_temperature);
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free(cpu_usage);
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free(datetime);
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free(diskusage);
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free(ram_usage);
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free(volume);
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free(wifi_signal);
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/* return the statusbar */
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setstatus(status_string);
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/* wait, "update_interval - 1" because of get_cpu_usage() which uses 1 second */
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sleep(update_interval -1);
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