git.sur5r.net Git - i3/i3status/blob - src/print_battery_info.c

   1 // vim:ts=4:sw=4:expandtab
   2 #include <ctype.h>
   3 #include <time.h>
   4 #include <string.h>
   5 #include <stdlib.h>
   6 #include <stdio.h>
   7 #include <yajl/yajl_gen.h>
   8 #include <yajl/yajl_version.h>
   9
  10 #include "i3status.h"
  11
  12 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  13 #include <sys/types.h>
  14 #include <sys/sysctl.h>
  15 #endif
  16
  17 #if defined(__OpenBSD__)
  18 #include <sys/types.h>
  19 #include <sys/ioctl.h>
  20 #include <sys/fcntl.h>
  21 #include <machine/apmvar.h>
  22 #endif
  23
  24 #if defined(__NetBSD__)
  25 #include <fcntl.h>
  26 #include <prop/proplib.h>
  27 #include <sys/envsys.h>
  28 #endif
  29
  30 /*
  31  * Get battery information from /sys. Note that it uses the design capacity to
  32  * calculate the percentage, not the last full capacity, so you can see how
  33  * worn off your battery is.
  34  *
  35  */
  36 void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char *path, const char *format, const char *format_down, const char *status_chr, const char *status_bat, const char *status_full, int low_threshold, char *threshold_type, bool last_full_capacity, bool integer_battery_capacity, bool hide_seconds) {
  37     time_t empty_time;
  38     struct tm *empty_tm;
  39     char buf[1024];
  40     char statusbuf[16];
  41     char percentagebuf[16];
  42     char remainingbuf[256];
  43     char emptytimebuf[256];
  44     char consumptionbuf[256];
  45     const char *walk, *last;
  46     char *outwalk = buffer;
  47     bool watt_as_unit = false;
  48     bool colorful_output = false;
  49     int full_design = -1,
  50         remaining = -1,
  51         present_rate = -1,
  52         voltage = -1;
  53     charging_status_t status = CS_DISCHARGING;
  54
  55     memset(statusbuf, '\0', sizeof(statusbuf));
  56     memset(percentagebuf, '\0', sizeof(percentagebuf));
  57     memset(remainingbuf, '\0', sizeof(remainingbuf));
  58     memset(emptytimebuf, '\0', sizeof(emptytimebuf));
  59     memset(consumptionbuf, '\0', sizeof(consumptionbuf));
  60
  61     static char batpath[512];
  62     sprintf(batpath, path, number);
  63     INSTANCE(batpath);
  64
  65 #define BATT_STATUS_NAME(status) \
  66     (status == CS_CHARGING ? status_chr : (status == CS_DISCHARGING ? status_bat : status_full))
  67
  68 #if defined(LINUX)
  69     if (!slurp(batpath, buf, sizeof(buf))) {
  70         OUTPUT_FULL_TEXT(format_down);
  71         return;
  72     }
  73
  74     for (walk = buf, last = buf; (walk - buf) < 1024; walk++) {
  75         if (*walk == '\n') {
  76             last = walk + 1;
  77             continue;
  78         }
  79
  80         if (*walk != '=')
  81             continue;
  82
  83         if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW")) {
  84             watt_as_unit = true;
  85             remaining = atoi(walk + 1);
  86         } else if (BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW")) {
  87             watt_as_unit = false;
  88             remaining = atoi(walk + 1);
  89         } else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
  90             present_rate = abs(atoi(walk + 1));
  91         else if (BEGINS_WITH(last, "POWER_SUPPLY_VOLTAGE_NOW"))
  92             voltage = abs(atoi(walk + 1));
  93         /* on some systems POWER_SUPPLY_POWER_NOW does not exist, but actually
  94          * it is the same as POWER_SUPPLY_CURRENT_NOW but with μWh as
  95          * unit instead of μAh. We will calculate it as we need it
  96          * later. */
  97         else if (BEGINS_WITH(last, "POWER_SUPPLY_POWER_NOW"))
  98             present_rate = abs(atoi(walk + 1));
  99         else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
 100             status = CS_CHARGING;
 101         else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
 102             status = CS_FULL;
 103         else {
 104             /* The only thing left is the full capacity */
 105             if (last_full_capacity) {
 106                 if (!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL") &&
 107                     !BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL"))
 108                     continue;
 109             } else {
 110                 if (!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN") &&
 111                     !BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN"))
 112                     continue;
 113             }
 114
 115             full_design = atoi(walk + 1);
 116         }
 117     }
 118
 119     /* the difference between POWER_SUPPLY_ENERGY_NOW and
 120      * POWER_SUPPLY_CHARGE_NOW is the unit of measurement. The energy is
 121      * given in mWh, the charge in mAh. So calculate every value given in
 122      * ampere to watt */
 123     if (!watt_as_unit) {
 124         present_rate = (((float)voltage / 1000.0) * ((float)present_rate / 1000.0));
 125
 126         if (voltage != -1) {
 127             remaining = (((float)voltage / 1000.0) * ((float)remaining / 1000.0));
 128             full_design = (((float)voltage / 1000.0) * ((float)full_design / 1000.0));
 129         }
 130     }
 131
 132     if ((full_design == -1) || (remaining == -1)) {
 133         OUTPUT_FULL_TEXT(format_down);
 134         return;
 135     }
 136
 137     (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
 138
 139     float percentage_remaining = (((float)remaining / (float)full_design) * 100);
 140     if (integer_battery_capacity) {
 141         (void)snprintf(percentagebuf, sizeof(percentagebuf), "%.00f%%", percentage_remaining);
 142     } else {
 143         (void)snprintf(percentagebuf, sizeof(percentagebuf), "%.02f%%", percentage_remaining);
 144     }
 145
 146     if (present_rate > 0) {
 147         float remaining_time;
 148         int seconds, hours, minutes, seconds_remaining;
 149         if (status == CS_CHARGING)
 150             remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
 151         else if (status == CS_DISCHARGING)
 152             remaining_time = ((float)remaining / (float)present_rate);
 153         else
 154             remaining_time = 0;
 155
 156         seconds_remaining = (int)(remaining_time * 3600.0);
 157
 158         hours = seconds_remaining / 3600;
 159         seconds = seconds_remaining - (hours * 3600);
 160         minutes = seconds / 60;
 161         seconds -= (minutes * 60);
 162
 163         if (status == CS_DISCHARGING && low_threshold > 0) {
 164             if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
 165                 START_COLOR("color_bad");
 166                 colorful_output = true;
 167             } else if (strcasecmp(threshold_type, "time") == 0 && seconds_remaining < 60 * low_threshold) {
 168                 START_COLOR("color_bad");
 169                 colorful_output = true;
 170             } else {
 171                 colorful_output = false;
 172             }
 173         }
 174
 175         if (hide_seconds)
 176             (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02d:%02d",
 177                            max(hours, 0), max(minutes, 0));
 178         else
 179             (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02d:%02d:%02d",
 180                            max(hours, 0), max(minutes, 0), max(seconds, 0));
 181
 182         empty_time = time(NULL);
 183         empty_time += seconds_remaining;
 184         empty_tm = localtime(&empty_time);
 185
 186         if (hide_seconds)
 187             (void)snprintf(emptytimebuf, sizeof(emptytimebuf), "%02d:%02d",
 188                            max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0));
 189         else
 190             (void)snprintf(emptytimebuf, sizeof(emptytimebuf), "%02d:%02d:%02d",
 191                            max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0), max(empty_tm->tm_sec, 0));
 192
 193         (void)snprintf(consumptionbuf, sizeof(consumptionbuf), "%1.2fW",
 194                        ((float)present_rate / 1000.0 / 1000.0));
 195     } else {
 196         /* On some systems, present_rate may not exist. Still, make sure
 197          * we colorize the output if threshold_type is set to percentage
 198          * (since we don't have any information on remaining time). */
 199         if (status == CS_DISCHARGING && low_threshold > 0) {
 200             if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
 201                 START_COLOR("color_bad");
 202                 colorful_output = true;
 203             }
 204         }
 205     }
 206 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
 207     int state;
 208     int sysctl_rslt;
 209     size_t sysctl_size = sizeof(sysctl_rslt);
 210
 211     if (sysctlbyname(BATT_LIFE, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
 212         OUTPUT_FULL_TEXT(format_down);
 213         return;
 214     }
 215
 216     present_rate = sysctl_rslt;
 217     if (sysctlbyname(BATT_TIME, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
 218         OUTPUT_FULL_TEXT(format_down);
 219         return;
 220     }
 221
 222     remaining = sysctl_rslt;
 223     if (sysctlbyname(BATT_STATE, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
 224         OUTPUT_FULL_TEXT(format_down);
 225         return;
 226     }
 227
 228     state = sysctl_rslt;
 229     if (state == 0 && present_rate == 100)
 230         status = CS_FULL;
 231     else if (state == 0 && present_rate < 100)
 232         status = CS_CHARGING;
 233     else
 234         status = CS_DISCHARGING;
 235
 236     full_design = sysctl_rslt;
 237
 238     (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
 239
 240     (void)snprintf(percentagebuf, sizeof(percentagebuf), "%02d%%",
 241                    present_rate);
 242
 243     if (state == 1) {
 244         int hours, minutes;
 245         minutes = remaining;
 246         hours = minutes / 60;
 247         minutes -= (hours * 60);
 248         (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02dh%02d",
 249                        max(hours, 0), max(minutes, 0));
 250         if (strcasecmp(threshold_type, "percentage") == 0 && present_rate < low_threshold) {
 251             START_COLOR("color_bad");
 252             colorful_output = true;
 253         } else if (strcasecmp(threshold_type, "time") == 0 && remaining < (u_int)low_threshold) {
 254             START_COLOR("color_bad");
 255             colorful_output = true;
 256         }
 257     }
 258 #elif defined(__OpenBSD__)
 259     /*
 260          * We're using apm(4) here, which is the interface to acpi(4) on amd64/i386 and
 261          * the generic interface on macppc/sparc64/zaurus, instead of using sysctl(3) and
 262          * probing acpi(4) devices.
 263          */
 264     struct apm_power_info apm_info;
 265     int apm_fd;
 266
 267     apm_fd = open("/dev/apm", O_RDONLY);
 268     if (apm_fd < 0) {
 269         OUTPUT_FULL_TEXT("can't open /dev/apm");
 270         return;
 271     }
 272     if (ioctl(apm_fd, APM_IOC_GETPOWER, &apm_info) < 0)
 273         OUTPUT_FULL_TEXT("can't read power info");
 274
 275     close(apm_fd);
 276
 277     /* Don't bother to go further if there's no battery present. */
 278     if ((apm_info.battery_state == APM_BATTERY_ABSENT) ||
 279         (apm_info.battery_state == APM_BATT_UNKNOWN)) {
 280         OUTPUT_FULL_TEXT(format_down);
 281         return;
 282     }
 283
 284     switch (apm_info.ac_state) {
 285         case APM_AC_OFF:
 286             status = CS_DISCHARGING;
 287             break;
 288         case APM_AC_ON:
 289             status = CS_CHARGING;
 290             break;
 291         default:
 292             /* If we don't know what's going on, just assume we're discharging. */
 293             status = CS_DISCHARGING;
 294             break;
 295     }
 296
 297     (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
 298     /* integer_battery_capacity is implied as battery_life is already in whole numbers. */
 299     (void)snprintf(percentagebuf, sizeof(percentagebuf), "%.00d%%", apm_info.battery_life);
 300
 301     if (status == CS_DISCHARGING && low_threshold > 0) {
 302         if (strcasecmp(threshold_type, "percentage") == 0 && apm_info.battery_life < low_threshold) {
 303             START_COLOR("color_bad");
 304             colorful_output = true;
 305         } else if (strcasecmp(threshold_type, "time") == 0 && apm_info.minutes_left < (u_int)low_threshold) {
 306             START_COLOR("color_bad");
 307             colorful_output = true;
 308         }
 309     }
 310
 311     /* Can't give a meaningful value for remaining minutes if we're charging. */
 312     if (status != CS_CHARGING) {
 313         (void)snprintf(remainingbuf, sizeof(remainingbuf), "%d", apm_info.minutes_left);
 314     } else {
 315         (void)snprintf(remainingbuf, sizeof(remainingbuf), "%s", "(CHR)");
 316     }
 317
 318     if (colorful_output)
 319         END_COLOR;
 320 #elif defined(__NetBSD__)
 321     /*
 322      * Using envsys(4) via sysmon(4).
 323      */
 324     int fd, rval, last_full_cap;
 325     bool is_found = false;
 326     char *sensor_desc;
 327     bool is_full = false;
 328
 329     prop_dictionary_t dict;
 330     prop_array_t array;
 331     prop_object_iterator_t iter;
 332     prop_object_iterator_t iter2;
 333     prop_object_t obj, obj2, obj3, obj4, obj5;
 334
 335     asprintf(&sensor_desc, "acpibat%d", number);
 336
 337     fd = open("/dev/sysmon", O_RDONLY);
 338     if (fd < 0) {
 339         OUTPUT_FULL_TEXT("can't open /dev/sysmon");
 340         return;
 341     }
 342
 343     rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
 344     if (rval == -1) {
 345         close(fd);
 346         return;
 347     }
 348
 349     if (prop_dictionary_count(dict) == 0) {
 350         prop_object_release(dict);
 351         close(fd);
 352         return;
 353     }
 354
 355     iter = prop_dictionary_iterator(dict);
 356     if (iter == NULL) {
 357         prop_object_release(dict);
 358         close(fd);
 359     }
 360
 361     /* iterate over the dictionary returned by the kernel */
 362     while ((obj = prop_object_iterator_next(iter)) != NULL) {
 363         /* skip this dict if it's not what we're looking for */
 364         if ((strlen(prop_dictionary_keysym_cstring_nocopy(obj)) == strlen(sensor_desc)) &&
 365             (strncmp(sensor_desc,
 366                      prop_dictionary_keysym_cstring_nocopy(obj),
 367                      strlen(sensor_desc)) != 0))
 368             continue;
 369
 370         is_found = true;
 371
 372         array = prop_dictionary_get_keysym(dict, obj);
 373         if (prop_object_type(array) != PROP_TYPE_ARRAY) {
 374             prop_object_iterator_release(iter);
 375             prop_object_release(dict);
 376             close(fd);
 377             return;
 378         }
 379
 380         iter2 = prop_array_iterator(array);
 381         if (!iter2) {
 382             prop_object_iterator_release(iter);
 383             prop_object_release(dict);
 384             close(fd);
 385             return;
 386         }
 387
 388         /* iterate over array of dicts specific to target battery */
 389         while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
 390             obj3 = prop_dictionary_get(obj2, "description");
 391
 392             if (obj3 &&
 393                 strlen(prop_string_cstring_nocopy(obj3)) == 8 &&
 394                 strncmp("charging",
 395                         prop_string_cstring_nocopy(obj3),
 396                         8) == 0) {
 397                 obj3 = prop_dictionary_get(obj2, "cur-value");
 398
 399                 if (prop_number_integer_value(obj3))
 400                     status = CS_CHARGING;
 401                 else
 402                     status = CS_DISCHARGING;
 403
 404                 continue;
 405             }
 406
 407             if (obj3 &&
 408                 strlen(prop_string_cstring_nocopy(obj3)) == 6 &&
 409                 strncmp("charge",
 410                         prop_string_cstring_nocopy(obj3),
 411                         6) == 0) {
 412                 obj3 = prop_dictionary_get(obj2, "cur-value");
 413                 obj4 = prop_dictionary_get(obj2, "max-value");
 414                 obj5 = prop_dictionary_get(obj2, "type");
 415
 416                 remaining = prop_number_integer_value(obj3);
 417                 full_design = prop_number_integer_value(obj4);
 418
 419                 if (remaining == full_design)
 420                     is_full = true;
 421
 422                 if (strncmp("Ampere hour",
 423                             prop_string_cstring_nocopy(obj5),
 424                             11) == 0)
 425                     watt_as_unit = false;
 426                 else
 427                     watt_as_unit = true;
 428
 429                 continue;
 430             }
 431
 432             if (obj3 &&
 433                 strlen(prop_string_cstring_nocopy(obj3)) == 14 &&
 434                 strncmp("discharge rate",
 435                         prop_string_cstring_nocopy(obj3),
 436                         14) == 0) {
 437                 obj3 = prop_dictionary_get(obj2, "cur-value");
 438                 present_rate = prop_number_integer_value(obj3);
 439                 continue;
 440             }
 441
 442             if (obj3 &&
 443                 strlen(prop_string_cstring_nocopy(obj3)) == 13 &&
 444                 strncmp("last full cap",
 445                         prop_string_cstring_nocopy(obj3),
 446                         13) == 0) {
 447                 obj3 = prop_dictionary_get(obj2, "cur-value");
 448                 last_full_cap = prop_number_integer_value(obj3);
 449                 continue;
 450             }
 451
 452             if (obj3 &&
 453                 strlen(prop_string_cstring_nocopy(obj3)) == 7 &&
 454                 strncmp("voltage",
 455                         prop_string_cstring_nocopy(obj3),
 456                         7) == 0) {
 457                 obj3 = prop_dictionary_get(obj2, "cur-value");
 458                 voltage = prop_number_integer_value(obj3);
 459                 continue;
 460             }
 461         }
 462         prop_object_iterator_release(iter2);
 463     }
 464
 465     prop_object_iterator_release(iter);
 466     prop_object_release(dict);
 467     close(fd);
 468
 469     if (!is_found) {
 470         OUTPUT_FULL_TEXT(format_down);
 471         return;
 472     }
 473
 474     if (last_full_capacity)
 475         full_design = last_full_cap;
 476
 477     if (!watt_as_unit) {
 478         present_rate = (((float)voltage / 1000.0) * ((float)present_rate / 1000.0));
 479         remaining = (((float)voltage / 1000.0) * ((float)remaining / 1000.0));
 480         full_design = (((float)voltage / 1000.0) * ((float)full_design / 1000.0));
 481     }
 482
 483     float percentage_remaining =
 484         (((float)remaining / (float)full_design) * 100);
 485
 486     if (integer_battery_capacity)
 487         (void)snprintf(percentagebuf,
 488                        sizeof(percentagebuf),
 489                        "%d%%",
 490                        (int)percentage_remaining);
 491     else
 492         (void)snprintf(percentagebuf,
 493                        sizeof(percentagebuf),
 494                        "%.02f%%",
 495                        percentage_remaining);
 496
 497     /*
 498      * Handle percentage low_threshold here, and time low_threshold when
 499      * we have it.
 500      */
 501     if (status == CS_DISCHARGING && low_threshold > 0) {
 502         if (strcasecmp(threshold_type, "percentage") == 0 && (((float)remaining / (float)full_design) * 100) < low_threshold) {
 503             START_COLOR("color_bad");
 504             colorful_output = true;
 505         }
 506     }
 507
 508     if (is_full)
 509         (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(CS_FULL));
 510     else
 511         (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
 512
 513     /*
 514      * The envsys(4) ACPI routines do not appear to provide a 'time
 515      * remaining' figure, so we must deduce it.
 516      */
 517     float remaining_time;
 518     int seconds, hours, minutes, seconds_remaining;
 519
 520     if (status == CS_CHARGING)
 521         remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
 522     else if (status == CS_DISCHARGING)
 523         remaining_time = ((float)remaining / (float)present_rate);
 524     else
 525         remaining_time = 0;
 526
 527     seconds_remaining = (int)(remaining_time * 3600.0);
 528
 529     hours = seconds_remaining / 3600;
 530     seconds = seconds_remaining - (hours * 3600);
 531     minutes = seconds / 60;
 532     seconds -= (minutes * 60);
 533
 534     if (status != CS_CHARGING) {
 535         if (hide_seconds)
 536             (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02d:%02d",
 537                            max(hours, 0), max(minutes, 0));
 538         else
 539             (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02d:%02d:%02d",
 540                            max(hours, 0), max(minutes, 0), max(seconds, 0));
 541
 542         if (low_threshold > 0) {
 543             if (strcasecmp(threshold_type, "time") == 0 && ((float)seconds_remaining / 60.0) < (u_int)low_threshold) {
 544                 START_COLOR("color_bad");
 545                 colorful_output = true;
 546             }
 547         }
 548     } else {
 549         if (hide_seconds)
 550             (void)snprintf(remainingbuf, sizeof(remainingbuf), "(%02d:%02d until full)",
 551                            max(hours, 0), max(minutes, 0));
 552         else
 553             (void)snprintf(remainingbuf, sizeof(remainingbuf), "(%02d:%02d:%02d until full)",
 554                            max(hours, 0), max(minutes, 0), max(seconds, 0));
 555     }
 556
 557     empty_time = time(NULL);
 558     empty_time += seconds_remaining;
 559     empty_tm = localtime(&empty_time);
 560
 561     /* No need to show empty time if battery is charging */
 562     if (status != CS_CHARGING) {
 563         if (hide_seconds)
 564             (void)snprintf(emptytimebuf, sizeof(emptytimebuf), "%02d:%02d",
 565                            max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0));
 566         else
 567             (void)snprintf(emptytimebuf, sizeof(emptytimebuf), "%02d:%02d:%02d",
 568                            max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0), max(empty_tm->tm_sec, 0));
 569     }
 570
 571     (void)snprintf(consumptionbuf, sizeof(consumptionbuf), "%1.2fW",
 572                    ((float)present_rate / 1000.0 / 1000.0));
 573 #endif
 574
 575 #define EAT_SPACE_FROM_OUTPUT_IF_EMPTY(_buf)              \
 576     do {                                                  \
 577         if (strlen(_buf) == 0) {                          \
 578             if (outwalk > buffer && isspace(outwalk[-1])) \
 579                 outwalk--;                                \
 580             else if (isspace(*(walk + 1)))                \
 581                 walk++;                                   \
 582         }                                                 \
 583     } while (0)
 584
 585     for (walk = format; *walk != '\0'; walk++) {
 586         if (*walk != '%') {
 587             *(outwalk++) = *walk;
 588             continue;
 589         }
 590
 591         if (BEGINS_WITH(walk + 1, "status")) {
 592             outwalk += sprintf(outwalk, "%s", statusbuf);
 593             walk += strlen("status");
 594         } else if (BEGINS_WITH(walk + 1, "percentage")) {
 595             outwalk += sprintf(outwalk, "%s", percentagebuf);
 596             walk += strlen("percentage");
 597         } else if (BEGINS_WITH(walk + 1, "remaining")) {
 598             outwalk += sprintf(outwalk, "%s", remainingbuf);
 599             walk += strlen("remaining");
 600             EAT_SPACE_FROM_OUTPUT_IF_EMPTY(remainingbuf);
 601         } else if (BEGINS_WITH(walk + 1, "emptytime")) {
 602             outwalk += sprintf(outwalk, "%s", emptytimebuf);
 603             walk += strlen("emptytime");
 604             EAT_SPACE_FROM_OUTPUT_IF_EMPTY(emptytimebuf);
 605         } else if (BEGINS_WITH(walk + 1, "consumption")) {
 606             outwalk += sprintf(outwalk, "%s", consumptionbuf);
 607             walk += strlen("consumption");
 608             EAT_SPACE_FROM_OUTPUT_IF_EMPTY(consumptionbuf);
 609         }
 610     }
 611
 612     if (colorful_output)
 613         END_COLOR;
 614
 615     OUTPUT_FULL_TEXT(buffer);
 616 }