git.sur5r.net Git - i3/i3status/blob - wmiistatus.c

   1 /*
   2  * Generates a status line for use with wmii or other minimal window managers
   3  *
   4  *
   5  * Copyright (c) 2008-2009 Michael Stapelberg and contributors
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without modification,
   9  * are permitted provided that the following conditions are met:
  10  *
  11  * * Redistributions of source code must retain the above copyright notice, this
  12  *   list of conditions and the following disclaimer.
  13  *
  14  * * Redistributions in binary form must reproduce the above copyright notice, this
  15  *   list of conditions and the following disclaimer in the documentation and/or other
  16  *   materials provided with the distribution.
  17  *
  18  * * Neither the name of Michael Stapelberg nor the names of contributors
  19  *   may be used to endorse or promote products derived from this software without
  20  *   specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  25  * SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  27  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  31  * DAMAGE.
  32  *
  33  */
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <fcntl.h>
  37 #include <string.h>
  38 #include <stdio.h>
  39 #include <time.h>
  40 #include <stdbool.h>
  41 #include <stdarg.h>
  42 #include <unistd.h>
  43 #include <stdlib.h>
  44 #include <limits.h>
  45 #include <ctype.h>
  46 #include <net/if.h>
  47 #include <sys/ioctl.h>
  48 #include <sys/socket.h>
  49 #include <netinet/in.h>
  50 #include <arpa/inet.h>
  51 #include <glob.h>
  52 #include <dirent.h>
  53 #include <getopt.h>
  54
  55 #ifdef LINUX
  56 #include <linux/ethtool.h>
  57 #include <linux/sockios.h>
  58 #else
  59 /* TODO: correctly check for *BSD */
  60 #include <sys/param.h>
  61 #include <sys/sysctl.h>
  62 #include <sys/resource.h>
  63 #endif
  64
  65 #include "wmiistatus.h"
  66
  67 #define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)"
  68
  69 /* socket file descriptor for general purposes */
  70 static int general_socket;
  71
  72 static const char *wlan_interface;
  73 static const char *eth_interface;
  74 static char *wmii_path;
  75 static const char *time_format;
  76 static const char *battery_path;
  77 static bool use_colors;
  78 static bool get_ethspeed;
  79 static const char *wmii_normcolors = "#222222 #333333";
  80 static char order[MAX_ORDER][2];
  81 static const char **run_watches;
  82 static unsigned int num_run_watches;
  83 static unsigned int interval = 1;
  84
  85 /*
  86  * This function just concats two strings in place, it should only be used
  87  * for concatting order to the name of a file or concatting color codes.
  88  * Otherwise, the buffer size would have to be increased.
  89  *
  90  */
  91 static char *concat(const char *str1, const char *str2) {
  92         static char concatbuf[32];
  93         (void)snprintf(concatbuf, sizeof(concatbuf), "%s%s", str1, str2);
  94         return concatbuf;
  95 }
  96
  97 /*
  98  * Returns the correct color format for dzen (^fg(color)) or wmii (color <normcolors>)
  99  *
 100  */
 101 static char *color(const char *colorstr) {
 102         static char colorbuf[32];
 103 #ifdef DZEN
 104         (void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr);
 105 #else
 106         (void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors);
 107 #endif
 108         return colorbuf;
 109 }
 110
 111 /*
 112  * Cleans wmii's /rbar directory by deleting all regular files
 113  *
 114  */
 115 static void cleanup_rbar_dir() {
 116 #ifdef DZEN
 117         return;
 118 #endif
 119         struct dirent *ent;
 120         DIR *dir;
 121         char pathbuf[strlen(wmii_path)+256+1];
 122
 123         if ((dir = opendir(wmii_path)) == NULL)
 124                 exit(EXIT_FAILURE);
 125
 126         while ((ent = readdir(dir)) != NULL) {
 127                 if (ent->d_type == DT_REG) {
 128                         (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, ent->d_name);
 129                         if (unlink(pathbuf) == -1)
 130                                 exit(EXIT_FAILURE);
 131                 }
 132         }
 133
 134         (void)closedir(dir);
 135 }
 136
 137 /*
 138  * Creates the specified file in wmii's /rbar directory with
 139  * correct modes and initializes colors if colormode is enabled
 140  *
 141  */
 142 static void create_file(const char *name) {
 143 #ifdef DZEN
 144         return;
 145 #endif
 146         char pathbuf[strlen(wmii_path)+256+1];
 147         int fd;
 148         int flags = O_CREAT | O_WRONLY;
 149         struct stat statbuf;
 150
 151         (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
 152
 153         /* Overwrite file's contents if it exists */
 154         if (stat(pathbuf, &statbuf) >= 0)
 155                 flags |= O_TRUNC;
 156
 157         if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
 158                 exit(EXIT_FAILURE);
 159         if (use_colors) {
 160                 char *tmp = color("#888888");
 161                 if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
 162                         exit(EXIT_FAILURE);
 163         }
 164         (void)close(fd);
 165 }
 166
 167 /*
 168  * Waits until wmii_path/rbar exists (= the filesystem gets mounted),
 169  * cleans up all files and creates the needed files
 170  *
 171  */
 172 static void setup(void) {
 173         unsigned int i;
 174         char pathbuf[512];
 175
 176 #ifndef DZEN
 177         struct stat statbuf;
 178         /* Wait until wmii_path/rbar exists */
 179         for (; stat(wmii_path, &statbuf) < 0; sleep(interval));
 180 #endif
 181
 182         cleanup_rbar_dir();
 183         if (wlan_interface)
 184                 create_file(concat(order[ORDER_WLAN],"wlan"));
 185         if (eth_interface)
 186                 create_file(concat(order[ORDER_ETH],"eth"));
 187         if (battery_path)
 188                 create_file(concat(order[ORDER_BATTERY],"battery"));
 189         create_file(concat(order[ORDER_LOAD],"load"));
 190         if (time_format)
 191                 create_file(concat(order[ORDER_TIME],"time"));
 192         for (i = 0; i < num_run_watches; i += 2) {
 193                 snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
 194                 create_file(pathbuf);
 195         }
 196 }
 197
 198 /*
 199  * Writes the given message in the corresponding file in wmii's /rbar directory
 200  *
 201  */
 202 static void write_to_statusbar(const char *name, const char *message, bool final_entry) {
 203 #ifdef DZEN
 204         if (final_entry) {
 205                 (void)printf("%s^p(6)\n", message);
 206                 fflush(stdout);
 207                 return;
 208         }
 209         (void)printf("%s" BAR, message);
 210         return;
 211 #endif
 212
 213         char pathbuf[strlen(wmii_path)+256+1];
 214         int fd;
 215
 216         (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
 217         if ((fd = open(pathbuf, O_RDWR)) == -1) {
 218                 /* Try to re-setup stuff and just continue */
 219                 setup();
 220                 return;
 221         }
 222         if (write(fd, message, strlen(message)) != (ssize_t)strlen(message))
 223                 exit(EXIT_FAILURE);
 224         (void)close(fd);
 225 }
 226
 227 /*
 228  * Writes an errormessage to statusbar
 229  *
 230  */
 231 static void write_error_to_statusbar(const char *message) {
 232         cleanup_rbar_dir();
 233         create_file("error");
 234         write_to_statusbar("error", message, true);
 235 }
 236
 237 /*
 238  * Write errormessage to statusbar and exit
 239  *
 240  */
 241 void die(const char *fmt, ...) {
 242         if (wmii_path != NULL) {
 243                 char buffer[512];
 244                 va_list ap;
 245                 va_start(ap, fmt);
 246                 (void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
 247                 va_end(ap);
 248
 249                 write_error_to_statusbar(buffer);
 250         }
 251         exit(EXIT_FAILURE);
 252 }
 253
 254 /*
 255  * Skip the given character for exactly 'amount' times, returns
 256  * a pointer to the first non-'character' character in 'input'.
 257  *
 258  */
 259 static char *skip_character(char *input, char character, int amount) {
 260         char *walk;
 261         size_t len = strlen(input);
 262         int blanks = 0;
 263
 264         for (walk = input; ((size_t)(walk - input) < len) && (blanks < amount); walk++)
 265                 if (*walk == character)
 266                         blanks++;
 267
 268         return (walk == input ? walk : walk-1);
 269 }
 270
 271 /*
 272  * Get battery information from /sys. Note that it uses the design capacity to
 273  * calculate the percentage, not the last full capacity, so you can see how
 274  * worn off your battery is.
 275  *
 276  */
 277 static char *get_battery_info() {
 278         char buf[1024];
 279         static char part[512];
 280         char *walk, *last;
 281         int fd;
 282         int full_design = -1,
 283             remaining = -1,
 284             present_rate = -1;
 285         charging_status_t status = CS_DISCHARGING;
 286
 287         if ((fd = open(battery_path, O_RDONLY)) == -1)
 288                 return "No battery found";
 289
 290         memset(part, 0, sizeof(part));
 291         (void)read(fd, buf, sizeof(buf));
 292         for (walk = buf, last = buf; (walk-buf) < 1024; walk++)
 293                 if (*walk == '=') {
 294                         if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN") ||
 295                             BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN"))
 296                                 full_design = atoi(walk+1);
 297                         else if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW") ||
 298                                  BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW"))
 299                                 remaining = atoi(walk+1);
 300                         else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
 301                                 present_rate = atoi(walk+1);
 302                         else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
 303                                 status = CS_CHARGING;
 304                         else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
 305                                 status = CS_FULL;
 306                 } else if (*walk == '\n')
 307                         last = walk+1;
 308         (void)close(fd);
 309
 310         if ((full_design != -1) && (remaining != -1) && (present_rate > 0)) {
 311                 float remaining_time;
 312                 int seconds, hours, minutes;
 313                 if (status == CS_CHARGING)
 314                         remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
 315                 else if (status == CS_DISCHARGING)
 316                         remaining_time = ((float)remaining / (float)present_rate);
 317                 else remaining_time = 0;
 318
 319                 seconds = (int)(remaining_time * 3600.0);
 320                 hours = seconds / 3600;
 321                 seconds -= (hours * 3600);
 322                 minutes = seconds / 60;
 323                 seconds -= (minutes * 60);
 324
 325                 (void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d",
 326                         (status == CS_CHARGING ? "CHR" :
 327                          (status == CS_DISCHARGING ? "BAT" : "FULL")),
 328                         (((float)remaining / (float)full_design) * 100),
 329                         hours, minutes, seconds);
 330         }
 331         return part;
 332 }
 333
 334 /*
 335  * Return the IP address for the given interface or "no IP" if the
 336  * interface is up and running but hasn't got an IP address yet
 337  *
 338  */
 339 static const char *get_ip_address(const char *interface) {
 340         static char part[512];
 341         struct ifreq ifr;
 342         struct sockaddr_in addr;
 343         socklen_t len = sizeof(struct sockaddr_in);
 344         memset(part, 0, sizeof(part));
 345
 346         (void)strcpy(ifr.ifr_name, interface);
 347         ifr.ifr_addr.sa_family = AF_INET;
 348         if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
 349                 return NULL;
 350
 351         memcpy(&addr, &ifr.ifr_addr, len);
 352         (void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, len);
 353         if (strlen(part) == 0)
 354                 (void)snprintf(part, sizeof(part), "no IP");
 355
 356         return part;
 357 }
 358
 359 /*
 360  * Just parses /proc/net/wireless looking for lines beginning with
 361  * wlan_interface, extracting the quality of the link and adding the
 362  * current IP address of wlan_interface.
 363  *
 364  */
 365 static char *get_wireless_info() {
 366         char buf[1024];
 367         static char part[512];
 368         char *interfaces;
 369         int fd;
 370         memset(buf, 0, sizeof(buf));
 371         memset(part, 0, sizeof(part));
 372
 373         if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1)
 374                 die("Could not open /proc/net/wireless\n");
 375         (void)read(fd, buf, sizeof(buf));
 376         (void)close(fd);
 377
 378         interfaces = skip_character(buf, '\n', 1) + 1;
 379         while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) {
 380                 while (isspace((int)*interfaces))
 381                         interfaces++;
 382                 if (!BEGINS_WITH(interfaces, wlan_interface))
 383                         continue;
 384                 int quality;
 385                 if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
 386                         continue;
 387                 if ((quality == UCHAR_MAX) || (quality == 0)) {
 388                         if (use_colors)
 389                                 (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
 390                         else (void)snprintf(part, sizeof(part), "W: down");
 391                 } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
 392                                 color("#00FF00"), quality, get_ip_address(wlan_interface));
 393                 return part;
 394         }
 395
 396         return part;
 397 }
 398
 399 /*
 400  * Combines ethernet IP addresses and speed (if requested) for displaying
 401  *
 402  */
 403 static char *get_eth_info() {
 404         static char part[512];
 405         const char *ip_address = get_ip_address(eth_interface);
 406         int ethspeed = 0;
 407
 408         if (get_ethspeed) {
 409 #ifdef LINUX
 410                 /* This code path requires root privileges */
 411                 struct ifreq ifr;
 412                 struct ethtool_cmd ecmd;
 413
 414                 ecmd.cmd = ETHTOOL_GSET;
 415                 (void)memset(&ifr, 0, sizeof(ifr));
 416                 ifr.ifr_data = (caddr_t)&ecmd;
 417                 (void)strcpy(ifr.ifr_name, eth_interface);
 418                 if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
 419                         ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
 420                 else get_ethspeed = false;
 421 #endif
 422         }
 423
 424         if (ip_address == NULL)
 425                 (void)snprintf(part, sizeof(part), "E: down");
 426         else {
 427                 if (get_ethspeed)
 428                         (void)snprintf(part, sizeof(part), "E: %s (%d Mbit/s)", ip_address, ethspeed);
 429                 else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
 430         }
 431
 432         return part;
 433 }
 434
 435 /*
 436  * Checks if the PID in path is still valid by checking:
 437  *  (Linux) if /proc/<pid> exists
 438  *  (NetBSD) if sysctl returns process infos for this pid
 439  *
 440  */
 441 static bool process_runs(const char *path) {
 442         char pidbuf[16];
 443         static glob_t globbuf;
 444         int fd;
 445         memset(pidbuf, 0, sizeof(pidbuf));
 446
 447         if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
 448                 die("glob() failed\n");
 449         fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
 450         globfree(&globbuf);
 451         if (fd < 0)
 452                 return false;
 453         (void)read(fd, pidbuf, sizeof(pidbuf));
 454         (void)close(fd);
 455
 456 #ifdef LINUX
 457         struct stat statbuf;
 458         char procbuf[512];
 459         (void)snprintf(procbuf, sizeof(procbuf), "/proc/%ld", strtol(pidbuf, NULL, 10));
 460         return (stat(procbuf, &statbuf) >= 0);
 461 #else
 462         /* TODO: correctly check for NetBSD. Evaluate if this runs on OpenBSD/FreeBSD */
 463         struct kinfo_proc info;
 464         size_t length = sizeof(struct kinfo_proc);
 465         int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, strtol(pidbuf, NULL, 10) };
 466         if (sysctl(mib, 4, &info, &length, NULL, 0) < 0)
 467                 return false;
 468         return (length != 0);
 469 #endif
 470 }
 471
 472 /*
 473  * Reads the configuration from the given file
 474  *
 475  */
 476 static int load_configuration(const char *configfile) {
 477         #define OPT(x) else if (strcasecmp(dest_name, x) == 0)
 478
 479         /* check if the file exists */
 480         struct stat buf;
 481         if (stat(configfile, &buf) < 0)
 482                 return -1;
 483
 484         int result = 0;
 485         FILE *handle = fopen(configfile, "r");
 486         if (handle == NULL)
 487                 die("Could not open configfile\n");
 488         char dest_name[512], dest_value[512], whole_buffer[1026];
 489
 490         while (!feof(handle)) {
 491                 char *ret;
 492                 if ((ret = fgets(whole_buffer, 1024, handle)) == whole_buffer) {
 493                         /* sscanf implicitly strips whitespace */
 494                         if (sscanf(whole_buffer, "%s %[^\n]", dest_name, dest_value) < 1)
 495                                 continue;
 496                 } else if (ret != NULL)
 497                         die("Could not read line in configuration file\n");
 498
 499                 /* skip comments and empty lines */
 500                 if (dest_name[0] == '#' || strlen(dest_name) < 3)
 501                         continue;
 502
 503                 OPT("wlan")
 504                         wlan_interface = strdup(dest_value);
 505                 OPT("eth")
 506                         eth_interface = strdup(dest_value);
 507                 OPT("time_format")
 508                         time_format = strdup(dest_value);
 509                 OPT("battery_path")
 510                         battery_path = strdup(dest_value);
 511                 OPT("color")
 512                         use_colors = true;
 513                 OPT("get_ethspeed")
 514                         get_ethspeed = true;
 515                 OPT("normcolors")
 516                         wmii_normcolors = strdup(dest_value);
 517                 OPT("interval")
 518                         interval = atoi(dest_value);
 519                 OPT("wmii_path")
 520                 {
 521 #ifndef DZEN
 522                         static glob_t globbuf;
 523                         struct stat stbuf;
 524                         if (glob(dest_value, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
 525                                 die("glob() failed\n");
 526                         wmii_path = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : dest_value);
 527                         globfree(&globbuf);
 528
 529                         if ((stat(wmii_path, &stbuf)) == -1) {
 530                                 fprintf(stderr, "Warning: wmii_path contains an invalid path\n");
 531                                 free(wmii_path);
 532                                 wmii_path = strdup(dest_value);
 533                         }
 534                         if (wmii_path[strlen(wmii_path)-1] != '/')
 535                                 die("wmii_path is not terminated by /\n");
 536 #endif
 537                 }
 538                 OPT("run_watch")
 539                 {
 540                         char *name = strdup(dest_value);
 541                         char *path = name;
 542                         while (*path != ' ')
 543                                 path++;
 544                         *(path++) = '\0';
 545                         num_run_watches += 2;
 546                         run_watches = realloc(run_watches, sizeof(char*) * num_run_watches);
 547                         run_watches[num_run_watches-2] = name;
 548                         run_watches[num_run_watches-1] = path;
 549                 }
 550                 OPT("order")
 551                 {
 552                         #define SET_ORDER(opt, idx) { if (strcasecmp(token, opt) == 0) sprintf(order[idx], "%d", c++); }
 553                         char *walk, *token;
 554                         int c = 0;
 555                         walk = token = dest_value;
 556                         while (*walk != '\0') {
 557                                 while ((*walk != ',') && (*walk != '\0'))
 558                                         walk++;
 559                                 *(walk++) = '\0';
 560                                 SET_ORDER("run", ORDER_RUN);
 561                                 SET_ORDER("wlan", ORDER_WLAN);
 562                                 SET_ORDER("eth", ORDER_ETH);
 563                                 SET_ORDER("battery", ORDER_BATTERY);
 564                                 SET_ORDER("load", ORDER_LOAD);
 565                                 SET_ORDER("time", ORDER_TIME);
 566                                 token = walk;
 567                                 while (isspace((int)(*token)))
 568                                         token++;
 569                         }
 570                 }
 571                 else
 572                 {
 573                         result = -2;
 574                         die("Unknown configfile option: %s\n", dest_name);
 575                 }
 576         }
 577         fclose(handle);
 578
 579 #ifndef DZEN
 580         if (wmii_path == NULL)
 581                 exit(EXIT_FAILURE);
 582 #endif
 583
 584         return result;
 585 }
 586
 587 int main(int argc, char *argv[]) {
 588         char part[512],
 589              pathbuf[512];
 590         unsigned int i;
 591
 592         char *configfile = PREFIX "/etc/wmiistatus.conf";
 593         int o, option_index = 0;
 594         struct option long_options[] = {
 595                 {"config", required_argument, 0, 'c'},
 596                 {"help", no_argument, 0, 'h'},
 597                 {0, 0, 0, 0}
 598         };
 599
 600         while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
 601                 if ((char)o == 'c')
 602                         configfile = optarg;
 603                 else if ((char)o == 'h') {
 604                         printf("wmiistatus (c) 2008-2009 Michael Stapelberg\n"
 605                                 "Syntax: %s [-c <configfile>]\n", argv[0]);
 606                         return 0;
 607                 }
 608
 609         if (load_configuration(configfile) < 0)
 610                 return EXIT_FAILURE;
 611
 612         setup();
 613
 614         if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
 615                 die("Could not create socket\n");
 616
 617         while (1) {
 618                 for (i = 0; i < num_run_watches; i += 2) {
 619                         bool running = process_runs(run_watches[i+1]);
 620                         if (use_colors)
 621                                 snprintf(part, sizeof(part), "%s%s: %s",
 622                                         (running ? color("#00FF00") : color("#FF0000")),
 623                                         run_watches[i],
 624                                         (running ? "yes" : "no"));
 625                         else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no"));
 626                         snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
 627                         write_to_statusbar(pathbuf, part, false);
 628                 }
 629
 630                 if (wlan_interface)
 631                         write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info(), false);
 632                 if (eth_interface)
 633                         write_to_statusbar(concat(order[ORDER_ETH], "eth"), get_eth_info(), false);
 634                 if (battery_path)
 635                         write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info(), false);
 636
 637                 /* Get load */
 638 #ifdef LINUX
 639                 int load_avg;
 640                 if ((load_avg = open("/proc/loadavg", O_RDONLY)) == -1)
 641                         die("Could not open /proc/loadavg\n");
 642                 (void)read(load_avg, part, sizeof(part));
 643                 (void)close(load_avg);
 644                 *skip_character(part, ' ', 3) = '\0';
 645 #else
 646                 /* TODO: correctly check for NetBSD, check if it works the same on *BSD */
 647                 struct loadavg load;
 648                 size_t length = sizeof(struct loadavg);
 649                 int mib[2] = { CTL_VM, VM_LOADAVG };
 650                 if (sysctl(mib, 2, &load, &length, NULL, 0) < 0)
 651                         die("Could not sysctl({ CTL_VM, VM_LOADAVG })\n");
 652                 double scale = load.fscale;
 653                 (void)snprintf(part, sizeof(part), "%.02f %.02f %.02f",
 654                                 (double)load.ldavg[0] / scale,
 655                                 (double)load.ldavg[1] / scale,
 656                                 (double)load.ldavg[2] / scale);
 657 #endif
 658                 write_to_statusbar(concat(order[ORDER_LOAD], "load"), part, !time_format);
 659
 660                 if (time_format) {
 661                         /* Get date & time */
 662                         time_t current_time = time(NULL);
 663                         struct tm *current_tm = localtime(&current_time);
 664                         (void)strftime(part, sizeof(part), time_format, current_tm);
 665                         write_to_statusbar(concat(order[ORDER_TIME], "time"), part, true);
 666                 }
 667
 668                 sleep(interval);
 669         }
 670 }