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evtest.c

/*
 * $Id: evtest.c,v 1.23 2005/02/06 13:51:42 vojtech Exp $
 *
 *  Copyright (c) 1999-2000 Vojtech Pavlik
 *
 *  Event device test program
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */

#include <stdint.h>

#include <linux/input.h>

#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>

#ifndef EV_SYN
#define EV_SYN 0
#endif

char *events[EV_MAX + 1] = {
      [0 ... EV_MAX] = NULL,
      [EV_SYN] = "Sync",                  [EV_KEY] = "Key",
      [EV_REL] = "Relative",              [EV_ABS] = "Absolute",
      [EV_MSC] = "Misc",                  [EV_LED] = "LED",
      [EV_SND] = "Sound",                 [EV_REP] = "Repeat",
      [EV_FF] = "ForceFeedback",          [EV_PWR] = "Power",
      [EV_FF_STATUS] = "ForceFeedbackStatus",
};

char *keys[KEY_MAX + 1] = {
      [0 ... KEY_MAX] = NULL,
      [KEY_RESERVED] = "Reserved",        [KEY_ESC] = "Esc",
      [KEY_1] = "1",                      [KEY_2] = "2",
      [KEY_3] = "3",                      [KEY_4] = "4",
      [KEY_5] = "5",                      [KEY_6] = "6",
      [KEY_7] = "7",                      [KEY_8] = "8",
      [KEY_9] = "9",                      [KEY_0] = "0",
      [KEY_MINUS] = "Minus",              [KEY_EQUAL] = "Equal",
      [KEY_BACKSPACE] = "Backspace",            [KEY_TAB] = "Tab",
      [KEY_Q] = "Q",                      [KEY_W] = "W",
      [KEY_E] = "E",                      [KEY_R] = "R",
      [KEY_T] = "T",                      [KEY_Y] = "Y",
      [KEY_U] = "U",                      [KEY_I] = "I",
      [KEY_O] = "O",                      [KEY_P] = "P",
      [KEY_LEFTBRACE] = "LeftBrace",            [KEY_RIGHTBRACE] = "RightBrace",
      [KEY_ENTER] = "Enter",              [KEY_LEFTCTRL] = "LeftControl",
      [KEY_A] = "A",                      [KEY_S] = "S",
      [KEY_D] = "D",                      [KEY_F] = "F",
      [KEY_G] = "G",                      [KEY_H] = "H",
      [KEY_J] = "J",                      [KEY_K] = "K",
      [KEY_L] = "L",                      [KEY_SEMICOLON] = "Semicolon",
      [KEY_APOSTROPHE] = "Apostrophe",    [KEY_GRAVE] = "Grave",
      [KEY_LEFTSHIFT] = "LeftShift",            [KEY_BACKSLASH] = "BackSlash",
      [KEY_Z] = "Z",                      [KEY_X] = "X",
      [KEY_C] = "C",                      [KEY_V] = "V",
      [KEY_B] = "B",                      [KEY_N] = "N",
      [KEY_M] = "M",                      [KEY_COMMA] = "Comma",
      [KEY_DOT] = "Dot",                  [KEY_SLASH] = "Slash",
      [KEY_RIGHTSHIFT] = "RightShift",    [KEY_KPASTERISK] = "KPAsterisk",
      [KEY_LEFTALT] = "LeftAlt",          [KEY_SPACE] = "Space",
      [KEY_CAPSLOCK] = "CapsLock",        [KEY_F1] = "F1",
      [KEY_F2] = "F2",              [KEY_F3] = "F3",
      [KEY_F4] = "F4",              [KEY_F5] = "F5",
      [KEY_F6] = "F6",              [KEY_F7] = "F7",
      [KEY_F8] = "F8",              [KEY_F9] = "F9",
      [KEY_F10] = "F10",                  [KEY_NUMLOCK] = "NumLock",
      [KEY_SCROLLLOCK] = "ScrollLock",    [KEY_KP7] = "KP7",
      [KEY_KP8] = "KP8",                  [KEY_KP9] = "KP9",
      [KEY_KPMINUS] = "KPMinus",          [KEY_KP4] = "KP4",
      [KEY_KP5] = "KP5",                  [KEY_KP6] = "KP6",
      [KEY_KPPLUS] = "KPPlus",            [KEY_KP1] = "KP1",
      [KEY_KP2] = "KP2",                  [KEY_KP3] = "KP3",
      [KEY_KP0] = "KP0",                  [KEY_KPDOT] = "KPDot",
      [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
      [KEY_F11] = "F11",                  [KEY_F12] = "F12",
      [KEY_RO] = "RO",              [KEY_KATAKANA] = "Katakana",
      [KEY_HIRAGANA] = "HIRAGANA",        [KEY_HENKAN] = "Henkan",
      [KEY_KATAKANAHIRAGANA] = "Katakana/Hiragana", [KEY_MUHENKAN] = "Muhenkan",
      [KEY_KPJPCOMMA] = "KPJpComma",            [KEY_KPENTER] = "KPEnter",
      [KEY_RIGHTCTRL] = "RightCtrl",            [KEY_KPSLASH] = "KPSlash",
      [KEY_SYSRQ] = "SysRq",              [KEY_RIGHTALT] = "RightAlt",
      [KEY_LINEFEED] = "LineFeed",        [KEY_HOME] = "Home",
      [KEY_UP] = "Up",              [KEY_PAGEUP] = "PageUp",
      [KEY_LEFT] = "Left",                [KEY_RIGHT] = "Right",
      [KEY_END] = "End",                  [KEY_DOWN] = "Down",
      [KEY_PAGEDOWN] = "PageDown",        [KEY_INSERT] = "Insert",
      [KEY_DELETE] = "Delete",            [KEY_MACRO] = "Macro",
      [KEY_MUTE] = "Mute",                [KEY_VOLUMEDOWN] = "VolumeDown",
      [KEY_VOLUMEUP] = "VolumeUp",        [KEY_POWER] = "Power",
      [KEY_KPEQUAL] = "KPEqual",          [KEY_KPPLUSMINUS] = "KPPlusMinus",
      [KEY_PAUSE] = "Pause",              [KEY_KPCOMMA] = "KPComma",
      [KEY_HANGUEL] = "Hanguel",          [KEY_HANJA] = "Hanja",
      [KEY_YEN] = "Yen",                  [KEY_LEFTMETA] = "LeftMeta",
      [KEY_RIGHTMETA] = "RightMeta",            [KEY_COMPOSE] = "Compose",
      [KEY_STOP] = "Stop",                [KEY_AGAIN] = "Again",
      [KEY_PROPS] = "Props",              [KEY_UNDO] = "Undo",
      [KEY_FRONT] = "Front",              [KEY_COPY] = "Copy",
      [KEY_OPEN] = "Open",                [KEY_PASTE] = "Paste",
      [KEY_FIND] = "Find",                [KEY_CUT] = "Cut",
      [KEY_HELP] = "Help",                [KEY_MENU] = "Menu",
      [KEY_CALC] = "Calc",                [KEY_SETUP] = "Setup",
      [KEY_SLEEP] = "Sleep",              [KEY_WAKEUP] = "WakeUp",
      [KEY_FILE] = "File",                [KEY_SENDFILE] = "SendFile",
      [KEY_DELETEFILE] = "DeleteFile",    [KEY_XFER] = "X-fer",
      [KEY_PROG1] = "Prog1",              [KEY_PROG2] = "Prog2",
      [KEY_WWW] = "WWW",                  [KEY_MSDOS] = "MSDOS",
      [KEY_COFFEE] = "Coffee",            [KEY_DIRECTION] = "Direction",
      [KEY_CYCLEWINDOWS] = "CycleWindows",      [KEY_MAIL] = "Mail",
      [KEY_BOOKMARKS] = "Bookmarks",            [KEY_COMPUTER] = "Computer",
      [KEY_BACK] = "Back",                [KEY_FORWARD] = "Forward",
      [KEY_CLOSECD] = "CloseCD",          [KEY_EJECTCD] = "EjectCD",
      [KEY_EJECTCLOSECD] = "EjectCloseCD",      [KEY_NEXTSONG] = "NextSong",
      [KEY_PLAYPAUSE] = "PlayPause",            [KEY_PREVIOUSSONG] = "PreviousSong",
      [KEY_STOPCD] = "StopCD",            [KEY_RECORD] = "Record",
      [KEY_REWIND] = "Rewind",            [KEY_PHONE] = "Phone",
      [KEY_ISO] = "ISOKey",               [KEY_CONFIG] = "Config",
      [KEY_HOMEPAGE] = "HomePage",        [KEY_REFRESH] = "Refresh",
      [KEY_EXIT] = "Exit",                [KEY_MOVE] = "Move",
      [KEY_EDIT] = "Edit",                [KEY_SCROLLUP] = "ScrollUp",
      [KEY_SCROLLDOWN] = "ScrollDown",    [KEY_KPLEFTPAREN] = "KPLeftParenthesis",
      [KEY_KPRIGHTPAREN] = "KPRightParenthesis", [KEY_F13] = "F13",
      [KEY_F14] = "F14",                  [KEY_F15] = "F15",
      [KEY_F16] = "F16",                  [KEY_F17] = "F17",
      [KEY_F18] = "F18",                  [KEY_F19] = "F19",
      [KEY_F20] = "F20",                  [KEY_F21] = "F21",
      [KEY_F22] = "F22",                  [KEY_F23] = "F23",
      [KEY_F24] = "F24",                  [KEY_PLAYCD] = "PlayCD",
      [KEY_PAUSECD] = "PauseCD",          [KEY_PROG3] = "Prog3",
      [KEY_PROG4] = "Prog4",              [KEY_SUSPEND] = "Suspend",
      [KEY_CLOSE] = "Close",              [KEY_PLAY] = "Play",
      [KEY_FASTFORWARD] = "Fast Forward", [KEY_BASSBOOST] = "Bass Boost",
      [KEY_PRINT] = "Print",              [KEY_HP] = "HP",
      [KEY_CAMERA] = "Camera",            [KEY_SOUND] = "Sound",
      [KEY_QUESTION] = "Question",        [KEY_EMAIL] = "Email",
      [KEY_CHAT] = "Chat",                [KEY_SEARCH] = "Search",
      [KEY_CONNECT] = "Connect",          [KEY_FINANCE] = "Finance",
      [KEY_SPORT] = "Sport",              [KEY_SHOP] = "Shop",
      [KEY_ALTERASE] = "Alternate Erase", [KEY_CANCEL] = "Cancel",
      [KEY_BRIGHTNESSDOWN] = "Brightness down", [KEY_BRIGHTNESSUP] = "Brightness up",
      [KEY_MEDIA] = "Media",              [KEY_UNKNOWN] = "Unknown",
      [BTN_0] = "Btn0",             [BTN_1] = "Btn1",
      [BTN_2] = "Btn2",             [BTN_3] = "Btn3",
      [BTN_4] = "Btn4",             [BTN_5] = "Btn5",
      [BTN_6] = "Btn6",             [BTN_7] = "Btn7",
      [BTN_8] = "Btn8",             [BTN_9] = "Btn9",
      [BTN_LEFT] = "LeftBtn",             [BTN_RIGHT] = "RightBtn",
      [BTN_MIDDLE] = "MiddleBtn",         [BTN_SIDE] = "SideBtn",
      [BTN_EXTRA] = "ExtraBtn",           [BTN_FORWARD] = "ForwardBtn",
      [BTN_BACK] = "BackBtn",             [BTN_TASK] = "TaskBtn",
      [BTN_TRIGGER] = "Trigger",          [BTN_THUMB] = "ThumbBtn",
      [BTN_THUMB2] = "ThumbBtn2",         [BTN_TOP] = "TopBtn",
      [BTN_TOP2] = "TopBtn2",             [BTN_PINKIE] = "PinkieBtn",
      [BTN_BASE] = "BaseBtn",             [BTN_BASE2] = "BaseBtn2",
      [BTN_BASE3] = "BaseBtn3",           [BTN_BASE4] = "BaseBtn4",
      [BTN_BASE5] = "BaseBtn5",           [BTN_BASE6] = "BaseBtn6",
      [BTN_DEAD] = "BtnDead",             [BTN_A] = "BtnA",
      [BTN_B] = "BtnB",             [BTN_C] = "BtnC",
      [BTN_X] = "BtnX",             [BTN_Y] = "BtnY",
      [BTN_Z] = "BtnZ",             [BTN_TL] = "BtnTL",
      [BTN_TR] = "BtnTR",                 [BTN_TL2] = "BtnTL2",
      [BTN_TR2] = "BtnTR2",               [BTN_SELECT] = "BtnSelect",
      [BTN_START] = "BtnStart",           [BTN_MODE] = "BtnMode",
      [BTN_THUMBL] = "BtnThumbL",         [BTN_THUMBR] = "BtnThumbR",
      [BTN_TOOL_PEN] = "ToolPen",         [BTN_TOOL_RUBBER] = "ToolRubber",
      [BTN_TOOL_BRUSH] = "ToolBrush",           [BTN_TOOL_PENCIL] = "ToolPencil",
      [BTN_TOOL_AIRBRUSH] = "ToolAirbrush",     [BTN_TOOL_FINGER] = "ToolFinger",
      [BTN_TOOL_MOUSE] = "ToolMouse",           [BTN_TOOL_LENS] = "ToolLens",
      [BTN_TOUCH] = "Touch",              [BTN_STYLUS] = "Stylus",
      [BTN_STYLUS2] = "Stylus2",          [BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
      [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
      [BTN_GEAR_UP] = "Gear up",          [KEY_OK] = "Ok",
      [KEY_SELECT] = "Select",            [KEY_GOTO] = "Goto",
      [KEY_CLEAR] = "Clear",              [KEY_POWER2] = "Power2",
      [KEY_OPTION] = "Option",            [KEY_INFO] = "Info",
      [KEY_TIME] = "Time",                [KEY_VENDOR] = "Vendor",
      [KEY_ARCHIVE] = "Archive",          [KEY_PROGRAM] = "Program",
      [KEY_CHANNEL] = "Channel",          [KEY_FAVORITES] = "Favorites",
      [KEY_EPG] = "EPG",                  [KEY_PVR] = "PVR",
      [KEY_MHP] = "MHP",                  [KEY_LANGUAGE] = "Language",
      [KEY_TITLE] = "Title",              [KEY_SUBTITLE] = "Subtitle",
      [KEY_ANGLE] = "Angle",              [KEY_ZOOM] = "Zoom",
      [KEY_MODE] = "Mode",                [KEY_KEYBOARD] = "Keyboard",
      [KEY_SCREEN] = "Screen",            [KEY_PC] = "PC",
      [KEY_TV] = "TV",              [KEY_TV2] = "TV2",
      [KEY_VCR] = "VCR",                  [KEY_VCR2] = "VCR2",
      [KEY_SAT] = "Sat",                  [KEY_SAT2] = "Sat2",
      [KEY_CD] = "CD",              [KEY_TAPE] = "Tape",
      [KEY_RADIO] = "Radio",              [KEY_TUNER] = "Tuner",
      [KEY_PLAYER] = "Player",            [KEY_TEXT] = "Text",
      [KEY_DVD] = "DVD",                  [KEY_AUX] = "Aux",
      [KEY_MP3] = "MP3",                  [KEY_AUDIO] = "Audio",
      [KEY_VIDEO] = "Video",              [KEY_DIRECTORY] = "Directory",
      [KEY_LIST] = "List",                [KEY_MEMO] = "Memo",
      [KEY_CALENDAR] = "Calendar",        [KEY_RED] = "Red",
      [KEY_GREEN] = "Green",              [KEY_YELLOW] = "Yellow",
      [KEY_BLUE] = "Blue",                [KEY_CHANNELUP] = "ChannelUp",
      [KEY_CHANNELDOWN] = "ChannelDown",  [KEY_FIRST] = "First",
      [KEY_LAST] = "Last",                [KEY_AB] = "AB",
      [KEY_NEXT] = "Next",                [KEY_RESTART] = "Restart",
      [KEY_SLOW] = "Slow",                [KEY_SHUFFLE] = "Shuffle",
      [KEY_BREAK] = "Break",              [KEY_PREVIOUS] = "Previous",
      [KEY_DIGITS] = "Digits",            [KEY_TEEN] = "TEEN",
      [KEY_TWEN] = "TWEN",                [KEY_DEL_EOL] = "Delete EOL",
      [KEY_DEL_EOS] = "Delete EOS",       [KEY_INS_LINE] = "Insert line",
      [KEY_DEL_LINE] = "Delete line",
};

char *absval[5] = { "Value", "Min  ", "Max  ", "Fuzz ", "Flat " };

char *relatives[REL_MAX + 1] = {
      [0 ... REL_MAX] = NULL,
      [REL_X] = "X",                [REL_Y] = "Y",
      [REL_Z] = "Z",                [REL_HWHEEL] = "HWheel",
      [REL_DIAL] = "Dial",          [REL_WHEEL] = "Wheel", 
      [REL_MISC] = "Misc",    
};

char *absolutes[ABS_MAX + 1] = {
      [0 ... ABS_MAX] = NULL,
      [ABS_X] = "X",                [ABS_Y] = "Y",
      [ABS_Z] = "Z",                [ABS_RX] = "Rx",
      [ABS_RY] = "Ry",        [ABS_RZ] = "Rz",
      [ABS_THROTTLE] = "Throttle",  [ABS_RUDDER] = "Rudder",
      [ABS_WHEEL] = "Wheel",        [ABS_GAS] = "Gas",
      [ABS_BRAKE] = "Brake",        [ABS_HAT0X] = "Hat0X",
      [ABS_HAT0Y] = "Hat0Y",        [ABS_HAT1X] = "Hat1X",
      [ABS_HAT1Y] = "Hat1Y",        [ABS_HAT2X] = "Hat2X",
      [ABS_HAT2Y] = "Hat2Y",        [ABS_HAT3X] = "Hat3X",
      [ABS_HAT3Y] = "Hat 3Y",       [ABS_PRESSURE] = "Pressure",
      [ABS_DISTANCE] = "Distance",  [ABS_TILT_X] = "XTilt",
      [ABS_TILT_Y] = "YTilt",       [ABS_TOOL_WIDTH] = "Tool Width",
      [ABS_VOLUME] = "Volume",      [ABS_MISC] = "Misc",
};

char *misc[MSC_MAX + 1] = {
      [ 0 ... MSC_MAX] = NULL,
      [MSC_SERIAL] = "Serial",      [MSC_PULSELED] = "Pulseled",
      [MSC_GESTURE] = "Gesture",    [MSC_RAW] = "RawData",
      [MSC_SCAN] = "ScanCode",
};

char *leds[LED_MAX + 1] = {
      [0 ... LED_MAX] = NULL,
      [LED_NUML] = "NumLock",       [LED_CAPSL] = "CapsLock", 
      [LED_SCROLLL] = "ScrollLock", [LED_COMPOSE] = "Compose",
      [LED_KANA] = "Kana",          [LED_SLEEP] = "Sleep", 
      [LED_SUSPEND] = "Suspend",    [LED_MUTE] = "Mute",
      [LED_MISC] = "Misc",
};

char *repeats[REP_MAX + 1] = {
      [0 ... REP_MAX] = NULL,
      [REP_DELAY] = "Delay",        [REP_PERIOD] = "Period"
};

char *sounds[SND_MAX + 1] = {
      [0 ... SND_MAX] = NULL,
      [SND_CLICK] = "Click",        [SND_BELL] = "Bell",
      [SND_TONE] = "Tone"
};

char **names[EV_MAX + 1] = {
      [0 ... EV_MAX] = NULL,
      [EV_SYN] = events,                  [EV_KEY] = keys,
      [EV_REL] = relatives,               [EV_ABS] = absolutes,
      [EV_MSC] = misc,              [EV_LED] = leds,
      [EV_SND] = sounds,                  [EV_REP] = repeats,
};

#define BITS_PER_LONG (sizeof(long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x)  ((x)%BITS_PER_LONG)
#define BIT(x)  (1UL<<OFF(x))
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array)  ((array[LONG(bit)] >> OFF(bit)) & 1)

int main (int argc, char **argv)
{
      int fd, rd, i, j, k;
      struct input_event ev[64];
      int version;
      unsigned short id[4];
      unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
      char name[256] = "Unknown";
      int abs[5];

      if (argc < 2) {
            printf("Usage: evtest /dev/input/eventX\n");
            printf("Where X = input device number\n");
            return 1;
      }

      if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) {
            perror("evtest");
            return 1;
      }

      if (ioctl(fd, EVIOCGVERSION, &version)) {
            perror("evtest: can't get version");
            return 1;
      }

      printf("Input driver version is %d.%d.%d\n",
            version >> 16, (version >> 8) & 0xff, version & 0xff);

      ioctl(fd, EVIOCGID, id);
      printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",
            id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);

      ioctl(fd, EVIOCGNAME(sizeof(name)), name);
      printf("Input device name: \"%s\"\n", name);

      memset(bit, 0, sizeof(bit));
      ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);
      printf("Supported events:\n");

      for (i = 0; i < EV_MAX; i++)
            if (test_bit(i, bit[0])) {
                  printf("  Event type %d (%s)\n", i, events[i] ? events[i] : "?");
                  if (!i) continue;
                  ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
                  for (j = 0; j < KEY_MAX; j++) 
                        if (test_bit(j, bit[i])) {
                              printf("    Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");
                              if (i == EV_ABS) {
                                    ioctl(fd, EVIOCGABS(j), abs);
                                    for (k = 0; k < 5; k++)
                                          if ((k < 3) || abs[k])
                                                printf("      %s %6d\n", absval[k], abs[k]);
                              }
                        }
            }
            

      printf("Testing ... (interrupt to exit)\n");

      while (1) {
            rd = read(fd, ev, sizeof(struct input_event) * 64);

            if (rd < (int) sizeof(struct input_event)) {
                  printf("yyy\n");
                  perror("\nevtest: error reading");
                  return 1;
            }

            for (i = 0; i < rd / sizeof(struct input_event); i++)

                  if (ev[i].type == EV_SYN) {
                        printf("Event: time %ld.%06ld, -------------- %s ------------\n",
                              ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].code ? "Config Sync" : "Report Sync" );
                  } else if (ev[i].type == EV_MSC && (ev[i].code == MSC_RAW || ev[i].code == MSC_SCAN)) {
                        printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %02x\n",
                              ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
                              events[ev[i].type] ? events[ev[i].type] : "?",
                              ev[i].code,
                              names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
                              ev[i].value);
                  } else {
                        printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\n",
                              ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
                              events[ev[i].type] ? events[ev[i].type] : "?",
                              ev[i].code,
                              names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
                              ev[i].value);
                  }     

      }
}

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