/* See LICENSE file for copyright and license details. */
-#include <alsa/asoundlib.h>
#include <err.h>
#include <fcntl.h>
#include <ifaddrs.h>
#include <limits.h>
#include <linux/wireless.h>
+#include <locale.h>
#include <netdb.h>
#include <pwd.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/socket.h>
+#include <sys/soundcard.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
+#include <sys/utsname.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
#undef strlcat
-#undef strlcpy
-#include "strlcat.h"
-#include "strlcpy.h"
-#include "concat.h"
-
-char concat[];
+#include "extern/arg.h"
+#include "extern/strlcat.h"
+#include "extern/concat.h"
struct arg {
char *(*func)();
- const char *format;
+ const char *fmt;
const char *args;
};
-static char *smprintf(const char *, ...);
-static char *battery_perc(const char *);
-static char *battery_state(const char *);
+static char *smprintf(const char *fmt, ...);
+static char *battery_perc(const char *bat);
+static char *battery_state(const char *bat);
static char *cpu_perc(void);
-static char *datetime(const char *);
-static char *disk_free(const char *);
-static char *disk_perc(const char *);
-static char *disk_total(const char *);
-static char *disk_used(const char *);
+static char *datetime(const char *fmt);
+static char *disk_free(const char *mnt);
+static char *disk_perc(const char *mnt);
+static char *disk_total(const char *mnt);
+static char *disk_used(const char *mnt);
static char *entropy(void);
static char *gid(void);
static char *hostname(void);
-static char *ip(const char *);
+static char *ip(const char *iface);
+static char *kernel_release(void);
static char *load_avg(void);
static char *ram_free(void);
static char *ram_perc(void);
static char *ram_used(void);
static char *ram_total(void);
-static char *run_command(const char *);
-static char *temp(const char *);
+static char *run_command(const char *cmd);
+static char *swap_free(void);
+static char *swap_perc(void);
+static char *swap_used(void);
+static char *swap_total(void);
+static char *temp(const char *file);
static char *uid(void);
static char *uptime(void);
static char *username(void);
-static char *vol_perc(const char *);
-static char *wifi_perc(const char *);
-static char *wifi_essid(const char *);
-static void sighandler(const int);
+static char *vol_perc(const char *card);
+static char *wifi_perc(const char *iface);
+static char *wifi_essid(const char *iface);
+static void sighandler(const int signo);
+static void usage(const int eval);
-static unsigned short int delay;
+char *argv0;
+char concat[];
+static unsigned short int delay = 0;
+static unsigned short int done;
+static unsigned short int dflag, oflag;
static Display *dpy;
-static int done = 0;
#include "config.h"
ret = malloc(++len);
if (ret == NULL) {
- perror("malloc");
- exit(1);
+ err(1, "malloc");
}
va_start(ap, fmt);
}
static char *
-battery_perc(const char *battery)
+battery_perc(const char *bat)
{
int perc;
FILE *fp;
- ccat(3, "/sys/class/power_supply/", battery, "/capacity");
+ ccat(3, "/sys/class/power_supply/", bat, "/capacity");
fp = fopen(concat, "r");
if (fp == NULL) {
- warn("Error opening battery file: %s", concat);
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file %s", concat);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%i", &perc);
fclose(fp);
}
static char *
-battery_state(const char *battery)
+battery_state(const char *bat)
{
- char *state = malloc(sizeof(char)*12);
+ char state[12];
FILE *fp;
- if (!state) {
- warn("Failed to get battery state.");
- return smprintf(UNKNOWN_STR);
- }
-
-
- ccat(3, "/sys/class/power_supply/", battery, "/status");
+ ccat(3, "/sys/class/power_supply/", bat, "/status");
fp = fopen(concat, "r");
if (fp == NULL) {
- warn("Error opening battery file: %s", concat);
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file %s", concat);
+ return smprintf("%s", UNKNOWN_STR);
}
- fscanf(fp, "%s", state);
+ fscanf(fp, "%12s", state);
fclose(fp);
- if (strcmp(state, "Charging") == 0)
+ if (strcmp(state, "Charging") == 0) {
return smprintf("+");
- else if (strcmp(state, "Discharging") == 0)
+ } else if (strcmp(state, "Discharging") == 0) {
return smprintf("-");
- else if (strcmp(state, "Full") == 0)
+ } else if (strcmp(state, "Full") == 0) {
return smprintf("=");
- else
+ } else {
return smprintf("?");
+ }
}
static char *
{
int perc;
long double a[4], b[4];
- FILE *fp = fopen("/proc/stat","r");
+ FILE *fp;
+ fp = fopen("/proc/stat", "r");
if (fp == NULL) {
- warn("Error opening stat file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/stat");
+ return smprintf("%s", UNKNOWN_STR);
}
-
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp);
- delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1));
+ delay++;
sleep(delay);
- fp = fopen("/proc/stat","r");
+ fp = fopen("/proc/stat", "r");
if (fp == NULL) {
- warn("Error opening stat file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/stat");
+ return smprintf("%s", UNKNOWN_STR);
}
-
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp);
- 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]));
+ 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]));
return smprintf("%d%%", perc);
}
static char *
-datetime(const char *timeformat)
+datetime(const char *fmt)
{
time_t t;
- char timestr[80];
+ char str[80];
t = time(NULL);
- if (strftime(timestr, sizeof(timestr), timeformat, localtime(&t)) == 0)
- return smprintf(UNKNOWN_STR);
+ if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
- return smprintf("%s", timestr);
+ return smprintf("%s", str);
}
static char *
-disk_free(const char *mountpoint)
+disk_free(const char *mnt)
{
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
- return smprintf(UNKNOWN_STR);
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
}
static char *
-disk_perc(const char *mountpoint)
+disk_perc(const char *mnt)
{
- int perc = 0;
+ int perc;
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
- return smprintf(UNKNOWN_STR);
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
}
perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
}
static char *
-disk_total(const char *mountpoint)
+disk_total(const char *mnt)
{
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
- return smprintf(UNKNOWN_STR);
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
}
static char *
-disk_used(const char *mountpoint)
+disk_used(const char *mnt)
{
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
- return smprintf(UNKNOWN_STR);
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
static char *
entropy(void)
{
- int entropy = 0;
- FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
+ int num;
+ FILE *fp;
+ fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
- warn("Could not open entropy file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
+ return smprintf("%s", UNKNOWN_STR);
}
-
- fscanf(fp, "%d", &entropy);
+ fscanf(fp, "%d", &num);
fclose(fp);
- return smprintf("%d", entropy);
+ return smprintf("%d", num);
}
static char *
static char *
hostname(void)
{
- char hostname[HOST_NAME_MAX];
- FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
+ char buf[HOST_NAME_MAX];
- if (fp == NULL) {
- warn("Could not open hostname file");
- return smprintf(UNKNOWN_STR);
+ if (gethostname(buf, sizeof(buf)) == -1) {
+ warn("hostname");
+ return smprintf("%s", UNKNOWN_STR);
}
- fgets(hostname, sizeof(hostname), fp);
- /* FIXME: needs improvement */
- memset(&hostname[strlen(hostname)], '\0',
- sizeof(hostname) - strlen(hostname));
- fclose(fp);
-
- return smprintf("%s", hostname);
+ return smprintf("%s", buf);
}
static char *
-ip(const char *interface)
+ip(const char *iface)
{
struct ifaddrs *ifaddr, *ifa;
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
- warn("Error getting IP address");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to get IP address for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
- if (ifa->ifa_addr == NULL)
+ if (ifa->ifa_addr == NULL) {
continue;
-
- s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST,
- NULL, 0, NI_NUMERICHOST);
-
- if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
+ }
+ s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
+ if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
- warnx("Error getting IP address.");
- return smprintf(UNKNOWN_STR);
+ warnx("Failed to get IP address for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%s", host);
}
freeifaddrs(ifaddr);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
+}
+
+static char *
+kernel_release(void)
+{
+ struct utsname udata;
+
+ if (uname(&udata) < 0) {
+ return smprintf(UNKNOWN_STR);
+ }
+
+ return smprintf("%s", udata.release);
}
static char *
double avgs[3];
if (getloadavg(avgs, 3) < 0) {
- warnx("Error getting load avg.");
- return smprintf(UNKNOWN_STR);
+ warnx("Failed to get the load avg");
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
ram_free(void)
{
long free;
- FILE *fp = fopen("/proc/meminfo", "r");
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
}
-
fscanf(fp, "MemFree: %ld kB\n", &free);
fclose(fp);
static char *
ram_perc(void)
{
- int perc;
long total, free, buffers, cached;
- FILE *fp = fopen("/proc/meminfo", "r");
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
}
-
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
fscanf(fp, "Cached: %ld kB\n", &cached);
-
fclose(fp);
- perc = 100 * ((total - free) - (buffers + cached)) / total;
- return smprintf("%d%%", perc);
+ return smprintf("%d%%", 100 * ((total - free) - (buffers + cached)) / total);
}
static char *
ram_total(void)
{
long total;
- FILE *fp = fopen("/proc/meminfo", "r");
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
}
-
fscanf(fp, "MemTotal: %ld kB\n", &total);
fclose(fp);
static char *
ram_used(void)
{
- long free, total, buffers, cached, used;
- FILE *fp = fopen("/proc/meminfo", "r");
+ long free, total, buffers, cached;
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
}
-
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
fscanf(fp, "Cached: %ld kB\n", &cached);
+ fclose(fp);
+
+ return smprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024);
+}
+
+static char *
+run_command(const char *cmd)
+{
+ char *nlptr;
+ FILE *fp;
+ char buf[1024] = UNKNOWN_STR;
+
+ fp = popen(cmd, "r");
+ if (fp == NULL) {
+ warn("Failed to get command output for %s", cmd);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fgets(buf, sizeof(buf), fp);
+ pclose(fp);
+ buf[sizeof(buf)] = '\0';
+
+ if ((nlptr = strstr(buf, "\n")) != NULL) {
+ nlptr[0] = '\0';
+ }
+
+ return smprintf("%s", buf);
+}
+static char *
+swap_free(void)
+{
+ long total, free;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_free: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
fclose(fp);
- used = total - free - buffers - cached;
- return smprintf("%f", (float)used / 1024 / 1024);
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%f", (float)free / 1024 / 1024);
}
static char *
-run_command(const char* command)
+swap_perc(void)
{
- int good;
- FILE *fp = popen(command, "r");
- char buffer[64] = "";
+ long total, free, cached;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Could not get command output for: %s", command);
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
}
- fgets(buffer, sizeof(buffer)-1, fp);
- pclose(fp);
- for (int i = 0 ; i != sizeof(buffer); i++) {
- if (buffer[i] == '\0') {
- good = 1;
- break;
- }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_perc: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
- if (good)
- buffer[strlen(buffer)-1] = '\0';
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
- return smprintf("%s", buffer);
+ if ((match = strstr(buf, "SwapCached")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%d%%", 100 * (total - free - cached) / total);
}
static char *
-temp(const char *file)
+swap_total(void)
{
- int temperature;
- FILE *fp = fopen(file, "r");
+ long total;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Could not open temperature file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_total: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ return smprintf("%f", (float)total / 1024 / 1024);
+}
+
+static char *
+swap_used(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
}
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_used: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
- fscanf(fp, "%d", &temperature);
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapCached")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%f", (float)(total - free - cached) / 1024 / 1024);
+}
+
+static char *
+temp(const char *file)
+{
+ int temp;
+ FILE *fp;
+
+ fp = fopen(file, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", file);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%d", &temp);
fclose(fp);
- return smprintf("%d°C", temperature / 1000);
+ return smprintf("%d°C", temp / 1000);
}
static char *
uptime(void)
{
struct sysinfo info;
- int hours = 0;
- int minutes = 0;
+ int h = 0;
+ int m = 0;
sysinfo(&info);
- hours = info.uptime / 3600;
- minutes = (info.uptime - hours * 3600 ) / 60;
+ h = info.uptime / 3600;
+ m = (info.uptime - h * 3600 ) / 60;
- return smprintf("%dh %dm", hours, minutes);
+ return smprintf("%dh %dm", h, m);
}
static char *
struct passwd *pw = getpwuid(uid);
if (pw == NULL) {
- warn("Could not get username");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to get username");
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%s", pw->pw_name);
static char *
-vol_perc(const char *soundcard)
-{
- long int vol, max, min;
- snd_mixer_t *handle;
- snd_mixer_elem_t *elem;
- snd_mixer_selem_id_t *s_elem;
-
- snd_mixer_open(&handle, 0);
- snd_mixer_attach(handle, soundcard);
- snd_mixer_selem_register(handle, NULL, NULL);
- snd_mixer_load(handle);
- snd_mixer_selem_id_malloc(&s_elem);
- snd_mixer_selem_id_set_name(s_elem, "Master");
- elem = snd_mixer_find_selem(handle, s_elem);
-
- if (elem == NULL) {
- snd_mixer_selem_id_free(s_elem);
- snd_mixer_close(handle);
- warn("Failed to get volume percentage for: %s.", soundcard);
+vol_perc(const char *card)
+{
+ unsigned int i;
+ int v, afd, devmask;
+ char *vnames[] = SOUND_DEVICE_NAMES;
+
+ afd = open(card, O_RDONLY);
+ if (afd < 0) {
+ warn("Cannot open %s", card);
return smprintf(UNKNOWN_STR);
}
- snd_mixer_handle_events(handle);
- snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
- snd_mixer_selem_get_playback_volume(elem, 0, &vol);
-
- snd_mixer_selem_id_free(s_elem);
- snd_mixer_close(handle);
+ ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask);
+ for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) {
+ if (devmask & (1 << i)) {
+ if (!strcmp("vol", vnames[i])) {
+ ioctl(afd, MIXER_READ(i), &v);
+ }
+ }
+ }
- return smprintf("%d%%", ((uint_fast16_t)(vol * 100) / max));
+ close(afd);
+ if (v == 0) {
+ return smprintf("mute");
+ }
+ return smprintf("%d%%", v & 0xff);
}
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");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file %s", concat);
+ return smprintf("%s", UNKNOWN_STR);
}
-
fgets(status, 5, fp);
fclose(fp);
- if(strcmp(status, "up\n") != 0)
- return smprintf(UNKNOWN_STR);
+ if(strcmp(status, "up\n") != 0) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
- warn("Error opening wireless file");
- return smprintf(UNKNOWN_STR);
+ warn("Failed to open file /proc/net/wireless");
+ return smprintf("%s", 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);
+ if ((datastart = strstr(buf, concat)) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ datastart = (datastart+(strlen(iface)+1));
+ 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);
memset(&wreq, 0, sizeof(struct iwreq));
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
- sprintf(wreq.ifr_name, wificard);
+ snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
+
if (sockfd == -1) {
- warn("Cannot open socket for interface: %s", wificard);
- return smprintf(UNKNOWN_STR);
+ warn("Failed to get ESSID for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
- warn("Get ESSID ioctl failed for interface %s", wificard);
- return smprintf(UNKNOWN_STR);
+ warn("Failed to get ESSID for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
}
close(sockfd);
if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
else
return smprintf("%s", (char *)wreq.u.essid.pointer);
}
}
}
+static void
+usage(const int eval)
+{
+ fprintf(stderr, "usage: %s [-d] [-o] [-v] [-h]\n", argv0);
+ exit(eval);
+}
+
int
-main(void)
+main(int argc, char *argv[])
{
- size_t i;
- char status_string[4096];
- char *res, *element, *status_old;
+ unsigned short int i;
+ char status_string[2048];
+ char *res, *element;
struct arg argument;
struct sigaction act;
+ ARGBEGIN {
+ case 'd':
+ dflag = 1;
+ break;
+ case 'o':
+ oflag = 1;
+ break;
+ case 'v':
+ printf("slstatus (C) 2016-2017 slstatus engineers\n");
+ return 0;
+ case 'h':
+ usage(0);
+ default:
+ usage(1);
+ } ARGEND
+
+ if (dflag && oflag) {
+ usage(1);
+ }
+ if (dflag && daemon(1, 1) < 0) {
+ err(1, "daemon");
+ }
+
memset(&act, 0, sizeof(act));
act.sa_handler = sighandler;
sigaction(SIGINT, &act, 0);
sigaction(SIGTERM, &act, 0);
- dpy = XOpenDisplay(NULL);
+ if (!oflag) {
+ dpy = XOpenDisplay(NULL);
+ }
- XFetchName(dpy, DefaultRootWindow(dpy), &status_old);
+ setlocale(LC_ALL, "");
while (!done) {
status_string[0] = '\0';
+
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);
+ }
+ element = smprintf(argument.fmt, res);
if (element == NULL) {
- element = smprintf(UNKNOWN_STR);
- warnx("Failed to format output.");
+ element = smprintf("%s", UNKNOWN_STR);
+ warnx("Failed to format output");
+ }
+ if (strlcat(status_string, element, sizeof(status_string)) >= sizeof(status_string)) {
+ warnx("Output too long");
}
- strlcat(status_string, element, sizeof(status_string));
free(res);
free(element);
}
- XStoreName(dpy, DefaultRootWindow(dpy), status_string);
- XSync(dpy, False);
- /*
- * subtract delay time spend in function
- * calls from the actual global delay time
- */
- sleep(UPDATE_INTERVAL - delay);
- delay = 0;
- }
- XStoreName(dpy, DefaultRootWindow(dpy), status_old);
- XSync(dpy, False);
+ if (!oflag) {
+ XStoreName(dpy, DefaultRootWindow(dpy), status_string);
+ XSync(dpy, False);
+ } else {
+ printf("%s\n", status_string);
+ }
- XCloseDisplay(dpy);
+ if ((UPDATE_INTERVAL - delay) <= 0) {
+ delay = 0;
+ continue;
+ } else {
+ sleep(UPDATE_INTERVAL - delay);
+ delay = 0;
+ }
+ }
+
+ if (!oflag) {
+ XStoreName(dpy, DefaultRootWindow(dpy), NULL);
+ XCloseDisplay(dpy);
+ }
return 0;
}