+static char *
+wifi_perc(const char *iface)
+{
+ int perc;
+ char buf[255];
+ char *datastart;
+ char status[5];
+ FILE *fp;
+
+ ccat(3, "/sys/class/net/", iface, "/operstate");
+ fp = fopen(concat, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", concat);
+ return smprintf(UNKNOWN_STR);
+ }
+ fgets(status, 5, fp);
+ fclose(fp);
+ if(strcmp(status, "up\n") != 0) {
+ return smprintf(UNKNOWN_STR);
+ }
+
+ fp = fopen("/proc/net/wireless", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/net/wireless");
+ return smprintf(UNKNOWN_STR);
+ }
+ 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", &perc);
+ }
+
+ return smprintf("%d%%", perc);
+}
+
+static char *
+wifi_essid(const char *iface)
+{
+ char id[IW_ESSID_MAX_SIZE+1];
+ int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ struct iwreq wreq;
+
+ memset(&wreq, 0, sizeof(struct iwreq));
+ wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
+ sprintf(wreq.ifr_name, iface);
+ if (sockfd == -1) {
+ 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("Failed to get ESSID for interface %s", iface);
+ return smprintf(UNKNOWN_STR);
+ }
+
+ close(sockfd);
+
+ if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
+ return smprintf(UNKNOWN_STR);
+ else
+ return smprintf("%s", (char *)wreq.u.essid.pointer);
+}
+
+static void
+set_status(const char *str)
+{
+ XStoreName(dpy, DefaultRootWindow(dpy), str);
+ XSync(dpy, False);
+}
+
+static void
+sighandler(const int signo)
+{
+ if (signo == SIGTERM || signo == SIGINT) {
+ done = 1;
+ }
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr,
+ "slstatus (c) 2016, drkhsh\n"
+ "usage: %s [-dho]\n",
+ argv0);
+ exit(1);
+}
+
+
+