LXR toybox/toys/android/sendevent.c

   1/* sendevent.c - Send Linux input events.
   2 *
   3 * Copyright 2016 The Android Open Source Project
   4
   5USE_SENDEVENT(NEWTOY(sendevent, "<4>4", TOYFLAG_USR|TOYFLAG_SBIN))
   6
   7config SENDEVENT
   8  bool "sendevent"
   9  default y
  10  depends on TOYBOX_ON_ANDROID
  11  help
  12    usage: sendevent DEVICE TYPE CODE VALUE
  13
  14    Sends a Linux input event.
  15*/
  16
  17#define FOR_sendevent
  18#include "toys.h"
  19
  20#include <linux/input.h>
  21
  22void sendevent_main(void)
  23{
  24  int fd = xopen(*toys.optargs, O_RDWR);
  25  int version;
  26  struct input_event ev;
  27
  28  if (ioctl(fd, EVIOCGVERSION, &version))
  29    perror_exit("EVIOCGVERSION failed for %s", *toys.optargs);
  30  
  31  memset(&ev, 0, sizeof(ev));
  32  // TODO: error checking and support for named constants.
  33  ev.type = atoi(toys.optargs[1]);
  34  ev.code = atoi(toys.optargs[2]);
  35  ev.value = atoi(toys.optargs[3]);
  36  xwrite(fd, &ev, sizeof(ev));
  37}
  38