~kennylevinsen/seatd

ref: 3ad9164a896eacffd27588f5b1fd6ea3e0bcd92d seatd/common/evdev.c -rw-r--r-- 715 bytes
3ad9164aKenny Levinsen Bump version to 0.6.0 4 months ago
                                                                                
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#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>

#if defined(__linux__)
#include <linux/input.h>
#include <linux/major.h>
#include <sys/sysmacros.h>
#elif defined(__FreeBSD__)
#include <dev/evdev/input.h>
#else
#error Unsupported platform
#endif

#include "evdev.h"

#define STRLEN(s) ((sizeof(s) / sizeof(s[0])) - 1)

int path_is_evdev(const char *path) {
	static const char prefix[] = "/dev/input/event";
	static const size_t prefixlen = STRLEN(prefix);
	return strncmp(prefix, path, prefixlen) == 0;
}

int evdev_revoke(int fd) {
	return ioctl(fd, EVIOCREVOKE, NULL);
}

#if defined(__linux__)
int dev_is_evdev(dev_t device) {
	return major(device) == INPUT_MAJOR;
}
#endif