mirror of git://git.suckless.org/slstatus
coding style fixes + better var names
This commit is contained in:
Aaron Marcher
Aaron Marcher (drkhsh)
parent
87eae6db03
commit
4dcba6b7e8
265
slstatus.c
265
slstatus.c
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@ -31,8 +31,6 @@
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#include "strlcpy.h"
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#include "concat.h"
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char concat[];
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struct arg {
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char *(*func)();
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const char *format;
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@ -70,7 +68,10 @@ static void sighandler(const int);
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static void usage(void);
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char *argv0;
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static unsigned short int delay, done, dflag, oflag;
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char concat[];
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static unsigned short int delay;
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static unsigned short int done;
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static unsigned short int dflag, oflag;
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static Display *dpy;
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#include "config.h"
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@ -88,7 +89,7 @@ smprintf(const char *fmt, ...)
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ret = malloc(++len);
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if (ret == NULL) {
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perror("malloc");
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warn("Malloc failed.");
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exit(1);
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}
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@ -100,15 +101,15 @@ smprintf(const char *fmt, ...)
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}
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static char *
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battery_perc(const char *battery)
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battery_perc(const char *bat)
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{
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int perc;
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FILE *fp;
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ccat(3, "/sys/class/power_supply/", battery, "/capacity");
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ccat(3, "/sys/class/power_supply/", bat, "/capacity");
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fp = fopen(concat, "r");
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if (fp == NULL) {
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warn("Error opening battery file: %s", concat);
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warn("Failed to open file %s", concat);
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "%i", &perc);
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@ -118,28 +119,29 @@ battery_perc(const char *battery)
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}
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static char *
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battery_state(const char *battery)
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battery_state(const char *bat)
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{
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char state[12];
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char state[12];
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FILE *fp;
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ccat(3, "/sys/class/power_supply/", battery, "/status");
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ccat(3, "/sys/class/power_supply/", bat, "/status");
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fp = fopen(concat, "r");
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if (fp == NULL) {
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warn("Error opening battery file: %s", concat);
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warn("Failed to open file %s", concat);
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "%12s", state);
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fclose(fp);
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if (strcmp(state, "Charging") == 0)
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if (strcmp(state, "Charging") == 0) {
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return smprintf("+");
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else if (strcmp(state, "Discharging") == 0)
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} else if (strcmp(state, "Discharging") == 0) {
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return smprintf("-");
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else if (strcmp(state, "Full") == 0)
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} else if (strcmp(state, "Full") == 0) {
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return smprintf("=");
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else
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} else {
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return smprintf("?");
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}
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}
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static char *
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@ -147,52 +149,52 @@ cpu_perc(void)
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{
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int perc;
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long double a[4], b[4];
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FILE *fp = fopen("/proc/stat","r");
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FILE *fp;
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fp = fopen("/proc/stat", "r");
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if (fp == NULL) {
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warn("Error opening stat file");
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warn("Failed to open file /proc/stat");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
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fclose(fp);
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delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1));
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sleep(delay);
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fp = fopen("/proc/stat","r");
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fp = fopen("/proc/stat", "r");
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if (fp == NULL) {
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warn("Error opening stat file");
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warn("Failed to open file /proc/stat");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
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fclose(fp);
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perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
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perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
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return smprintf("%d%%", perc);
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}
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static char *
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datetime(const char *timeformat)
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datetime(const char *fmt)
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{
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time_t t;
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char timestr[80];
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char str[80];
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t = time(NULL);
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if (strftime(timestr, sizeof(timestr), timeformat, localtime(&t)) == 0)
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if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
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return smprintf(UNKNOWN_STR);
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}
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return smprintf("%s", timestr);
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return smprintf("%s", str);
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}
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static char *
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disk_free(const char *mountpoint)
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disk_free(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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warn("Could not get filesystem info");
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf(UNKNOWN_STR);
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}
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@ -200,13 +202,13 @@ disk_free(const char *mountpoint)
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}
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static char *
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disk_perc(const char *mountpoint)
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disk_perc(const char *mnt)
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{
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int perc = 0;
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int perc;
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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warn("Could not get filesystem info");
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf(UNKNOWN_STR);
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}
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@ -216,12 +218,12 @@ disk_perc(const char *mountpoint)
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}
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static char *
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disk_total(const char *mountpoint)
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disk_total(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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warn("Could not get filesystem info");
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf(UNKNOWN_STR);
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}
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@ -229,12 +231,12 @@ disk_total(const char *mountpoint)
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}
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static char *
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disk_used(const char *mountpoint)
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disk_used(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mountpoint, &fs) < 0) {
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warn("Could not get filesystem info");
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf(UNKNOWN_STR);
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}
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@ -244,18 +246,18 @@ disk_used(const char *mountpoint)
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static char *
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entropy(void)
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{
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int entropy = 0;
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FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
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int num;
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FILE *fp;
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fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
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if (fp == NULL) {
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warn("Could not open entropy file");
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warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "%d", &entropy);
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fscanf(fp, "%d", &num);
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fclose(fp);
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return smprintf("%d", entropy);
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return smprintf("%d", num);
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}
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static char *
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@ -267,43 +269,41 @@ gid(void)
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static char *
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hostname(void)
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{
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char hostname[HOST_NAME_MAX];
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FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
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char buf[HOST_NAME_MAX];
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FILE *fp;
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fp = fopen("/proc/sys/kernel/hostname", "r");
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if (fp == NULL) {
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warn("Could not open hostname file");
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warn("Failed to open file /proc/sys/kernel/hostname");
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return smprintf(UNKNOWN_STR);
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}
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fgets(hostname, sizeof(hostname), fp);
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hostname[strlen(hostname)-1] = '\0';
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fgets(buf, sizeof(buf), fp);
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buf[strlen(buf)-1] = '\0';
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fclose(fp);
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return smprintf("%s", hostname);
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return smprintf("%s", buf);
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}
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static char *
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ip(const char *interface)
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ip(const char *iface)
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{
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struct ifaddrs *ifaddr, *ifa;
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int s;
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char host[NI_MAXHOST];
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if (getifaddrs(&ifaddr) == -1) {
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warn("Error getting IP address");
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warn("Failed to get IP address for interface %s", iface);
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return smprintf(UNKNOWN_STR);
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}
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for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
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if (ifa->ifa_addr == NULL)
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if (ifa->ifa_addr == NULL) {
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continue;
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s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST,
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NULL, 0, NI_NUMERICHOST);
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if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
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}
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s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
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if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
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if (s != 0) {
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warnx("Error getting IP address.");
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warnx("Failed to get IP address for interface %s", iface);
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return smprintf(UNKNOWN_STR);
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}
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return smprintf("%s", host);
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@ -321,7 +321,7 @@ load_avg(void)
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double avgs[3];
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if (getloadavg(avgs, 3) < 0) {
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warnx("Error getting load avg.");
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warnx("Failed to get the load avg");
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return smprintf(UNKNOWN_STR);
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}
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@ -332,13 +332,13 @@ static char *
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ram_free(void)
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{
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long free;
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Error opening meminfo file");
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warn("Failed to open file /proc/meminfo");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "MemFree: %ld kB\n", &free);
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fclose(fp);
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@ -348,37 +348,34 @@ ram_free(void)
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static char *
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ram_perc(void)
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{
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int perc;
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long total, free, buffers, cached;
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Error opening meminfo file");
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warn("Failed to open file /proc/meminfo");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "MemTotal: %ld kB\n", &total);
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fscanf(fp, "MemFree: %ld kB\n", &free);
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fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
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fscanf(fp, "Cached: %ld kB\n", &cached);
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fclose(fp);
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perc = 100 * ((total - free) - (buffers + cached)) / total;
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return smprintf("%d%%", perc);
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return smprintf("%d%%", 100 * ((total - free) - (buffers + cached)) / total);
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}
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static char *
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ram_total(void)
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{
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long total;
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FILE *fp = fopen("/proc/meminfo", "r");
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Error opening meminfo file");
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warn("Failed to open file /proc/meminfo");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "MemTotal: %ld kB\n", &total);
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fclose(fp);
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@ -388,72 +385,70 @@ ram_total(void)
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static char *
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ram_used(void)
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{
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long free, total, buffers, cached, used;
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FILE *fp = fopen("/proc/meminfo", "r");
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long free, total, buffers, cached;
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Error opening meminfo file");
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warn("Failed to open file /proc/meminfo");
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "MemTotal: %ld kB\n", &total);
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fscanf(fp, "MemFree: %ld kB\n", &free);
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fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
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fscanf(fp, "Cached: %ld kB\n", &cached);
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fclose(fp);
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used = total - free - buffers - cached;
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return smprintf("%f", (float)used / 1024 / 1024);
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return smprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024);
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}
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static char *
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run_command(const char* command)
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run_command(const char *cmd)
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{
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FILE *fp = popen(command, "r");
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char buffer[64] = "\0";
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FILE *fp;
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char buf[64] = "\0";
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fp = popen(cmd, "r");
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if (fp == NULL) {
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warn("Could not get command output for: %s", command);
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warn("Failed to get command output for %s", cmd);
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return smprintf(UNKNOWN_STR);
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}
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fgets(buffer, sizeof(buffer), fp);
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buffer[sizeof(buffer)-1] = '\0';
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fgets(buf, sizeof(buf), fp);
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buf[sizeof(buf)-1] = '\0';
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pclose(fp);
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return smprintf("%s", buffer);
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return smprintf("%s", buf);
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}
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static char *
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temp(const char *file)
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{
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int temperature;
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FILE *fp = fopen(file, "r");
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int temp;
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FILE *fp;
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fp = fopen(file, "r");
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if (fp == NULL) {
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warn("Could not open temperature file");
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warn("Failed to open file %s", file);
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return smprintf(UNKNOWN_STR);
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}
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fscanf(fp, "%d", &temperature);
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fscanf(fp, "%d", &temp);
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fclose(fp);
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return smprintf("%d°C", temperature / 1000);
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return smprintf("%d°C", temp / 1000);
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}
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static char *
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uptime(void)
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{
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struct sysinfo info;
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int hours = 0;
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int minutes = 0;
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int h = 0;
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int m = 0;
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sysinfo(&info);
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hours = info.uptime / 3600;
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minutes = (info.uptime - hours * 3600 ) / 60;
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h = info.uptime / 3600;
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m = (info.uptime - h * 3600 ) / 60;
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return smprintf("%dh %dm", hours, minutes);
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return smprintf("%dh %dm", h, m);
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}
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static char *
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@ -463,7 +458,7 @@ username(void)
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struct passwd *pw = getpwuid(uid);
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if (pw == NULL) {
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warn("Could not get username");
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warn("Failed to get username");
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return smprintf(UNKNOWN_STR);
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}
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@ -478,7 +473,7 @@ uid(void)
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static char *
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vol_perc(const char *soundcard)
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vol_perc(const char *card)
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{
|
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long int vol, max, min;
|
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snd_mixer_t *handle;
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|
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@ -486,7 +481,7 @@ vol_perc(const char *soundcard)
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snd_mixer_selem_id_t *s_elem;
|
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snd_mixer_open(&handle, 0);
|
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snd_mixer_attach(handle, soundcard);
|
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snd_mixer_attach(handle, card);
|
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snd_mixer_selem_register(handle, NULL, NULL);
|
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snd_mixer_load(handle);
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snd_mixer_selem_id_malloc(&s_elem);
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|
|
@ -496,7 +491,7 @@ vol_perc(const char *soundcard)
|
|||
if (elem == NULL) {
|
||||
snd_mixer_selem_id_free(s_elem);
|
||||
snd_mixer_close(handle);
|
||||
warn("Failed to get volume percentage for: %s", soundcard);
|
||||
warn("Failed to get volume percentage for %s", card);
|
||||
return smprintf(UNKNOWN_STR);
|
||||
}
|
||||
|
||||
|
|
@ -511,52 +506,48 @@ vol_perc(const char *soundcard)
|
|||
}
|
||||
|
||||
static char *
|
||||
wifi_perc(const char *wificard)
|
||||
wifi_perc(const char *iface)
|
||||
{
|
||||
int strength;
|
||||
int perc;
|
||||
char buf[255];
|
||||
char *datastart;
|
||||
char status[5];
|
||||
FILE *fp;
|
||||
|
||||
ccat(3, "/sys/class/net/", wificard, "/operstate");
|
||||
|
||||
ccat(3, "/sys/class/net/", iface, "/operstate");
|
||||
fp = fopen(concat, "r");
|
||||
|
||||
if (fp == NULL) {
|
||||
warn("Error opening wifi operstate file");
|
||||
warn("Failed to open file %s", concat);
|
||||
return smprintf(UNKNOWN_STR);
|
||||
}
|
||||
|
||||
fgets(status, 5, fp);
|
||||
fclose(fp);
|
||||
if(strcmp(status, "up\n") != 0)
|
||||
if(strcmp(status, "up\n") != 0) {
|
||||
return smprintf(UNKNOWN_STR);
|
||||
}
|
||||
|
||||
fp = fopen("/proc/net/wireless", "r");
|
||||
if (fp == NULL) {
|
||||
warn("Error opening wireless file");
|
||||
warn("Failed to open file /proc/net/wireless");
|
||||
return smprintf(UNKNOWN_STR);
|
||||
}
|
||||
|
||||
ccat(2, wificard, ":");
|
||||
ccat(2, iface, ":");
|
||||
fgets(buf, sizeof(buf), fp);
|
||||
fgets(buf, sizeof(buf), fp);
|
||||
fgets(buf, sizeof(buf), fp);
|
||||
fclose(fp);
|
||||
|
||||
datastart = strstr(buf, concat);
|
||||
if (datastart != NULL) {
|
||||
datastart = strstr(buf, ":");
|
||||
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &strength);
|
||||
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
|
||||
}
|
||||
|
||||
fclose(fp);
|
||||
|
||||
return smprintf("%d%%", strength);
|
||||
return smprintf("%d%%", perc);
|
||||
}
|
||||
|
||||
static char *
|
||||
wifi_essid(const char *wificard)
|
||||
wifi_essid(const char *iface)
|
||||
{
|
||||
char id[IW_ESSID_MAX_SIZE+1];
|
||||
int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
|
|
@ -564,14 +555,14 @@ wifi_essid(const char *wificard)
|
|||
|
||||
memset(&wreq, 0, sizeof(struct iwreq));
|
||||
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
|
||||
sprintf(wreq.ifr_name, wificard);
|
||||
sprintf(wreq.ifr_name, iface);
|
||||
if (sockfd == -1) {
|
||||
warn("Cannot open socket for interface: %s", wificard);
|
||||
warn("Failed to get ESSID for interface %s", iface);
|
||||
return smprintf(UNKNOWN_STR);
|
||||
}
|
||||
wreq.u.essid.pointer = id;
|
||||
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
|
||||
warn("Get ESSID ioctl failed for interface %s", wificard);
|
||||
warn("Failed to get ESSID for interface %s", iface);
|
||||
return smprintf(UNKNOWN_STR);
|
||||
}
|
||||
|
||||
|
|
@ -593,8 +584,9 @@ set_status(const char *str)
|
|||
static void
|
||||
sighandler(const int signo)
|
||||
{
|
||||
if (signo == SIGTERM || signo == SIGINT)
|
||||
if (signo == SIGTERM || signo == SIGINT) {
|
||||
done = 1;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -629,10 +621,12 @@ main(int argc, char *argv[])
|
|||
usage();
|
||||
} ARGEND
|
||||
|
||||
if (dflag && oflag)
|
||||
if (dflag && oflag) {
|
||||
usage();
|
||||
if (dflag)
|
||||
}
|
||||
if (dflag) {
|
||||
(void)daemon(1, 1);
|
||||
}
|
||||
|
||||
memset(&act, 0, sizeof(act));
|
||||
act.sa_handler = sighandler;
|
||||
|
|
@ -646,24 +640,26 @@ main(int argc, char *argv[])
|
|||
|
||||
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
|
||||
argument = args[i];
|
||||
if (argument.args == NULL)
|
||||
if (argument.args == NULL) {
|
||||
res = argument.func();
|
||||
else
|
||||
} else {
|
||||
res = argument.func(argument.args);
|
||||
}
|
||||
element = smprintf(argument.format, res);
|
||||
if (element == NULL) {
|
||||
element = smprintf(UNKNOWN_STR);
|
||||
warnx("Failed to format output.");
|
||||
warnx("Failed to format output");
|
||||
}
|
||||
strlcat(status_string, element, sizeof(status_string));
|
||||
free(res);
|
||||
free(element);
|
||||
}
|
||||
|
||||
if (!oflag)
|
||||
if (!oflag) {
|
||||
set_status(status_string);
|
||||
else
|
||||
} else {
|
||||
printf("%s\n", status_string);
|
||||
}
|
||||
|
||||
/*
|
||||
* subtract delay time spend in function
|
||||
|
|
@ -673,8 +669,9 @@ main(int argc, char *argv[])
|
|||
delay = 0;
|
||||
}
|
||||
|
||||
if (!oflag)
|
||||
if (!oflag) {
|
||||
set_status(NULL);
|
||||
}
|
||||
|
||||
XCloseDisplay(dpy);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue