Make bulk touch events using send events code

simtouch.c

#include <errno.h>
#include <fcntl.h>
#include <linux/input.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#define X 225
#define Y0 450
#define Y1 850
#define Y2 1250
#define Y3 1650
#define Y4 2050

int main_run(int fd, int a, int b, int c) {
    struct input_event event;
    memset(&event, 0, sizeof(event));

    event.type = a;
    event.code = b;
    event.value = c;

    return (write(fd, &event, sizeof(event)) >= (ssize_t) sizeof(event));
}

int simtouch_main(int argc, char *argv[])
{
    if(argc != 3) {
        fprintf(stderr, "not a proper argument");
        return 1;
    }
    int fd;
    ssize_t ret;
    int version;
    struct input_event event;
    FILE* fp;
    int init[4][3] = {
        // init
        {3, 57, 0xd000},
        {1, 330, 1},
        {1, 325, 1},
        {0, 0, 0},
    };
    int touches[10000][2];
    float delays[10000];
    int finalize[5][3] = {
        {0, 0, 0},
        {3, 57, 4294967295}, 
        {0, 0, 0},
        {1, 330, 0},
        {1, 325, 0},
        {0, 0, 0}  
    };
    fprintf(stderr, "opening %s\n", argv[1]);
    fd = open(argv[1], O_RDWR);

    if(fd < 0) {
        fprintf(stderr, "could not open %s, %s\n", argv[optind], strerror(errno));
        return 1;
    }

    fprintf(stderr, "importing note %s\n", argv[2]);
    fp = fopen(argv[2], "r");
    if(fp == NULL) {
        fprintf(stderr, "could not open %s%s\n", argv[2]);
    }

    int x, y;
    double time;
    int touch_i = 0
    while(!feof(fp)) {
        fscanf(fp, "%d %d %f\n", &x, &y, &time);
        touches[touch_i][0] = x;
        touches[touch_i][1] = y;
        delays[touch_i] = time;
        touch_i++;
    }

    touches[touch_i][0] = -1;
    touches[touch_i][1] = -1;
    delays[touch_i] = -1.0;

    if (ioctl(fd, EVIOCGVERSION, &version)) {
        fprintf(stderr, "could not get driver version for %s, %s\n", argv[optind], strerror(errno));
        return 1;
    }

    int i = 0;
    while(touches[i][0] != -1) {
        for(int i = 0; i < 4; i++) {
            if(!main_run(fd, init[i][0], init[i][1], init[i][2])) {
                fprintf(stderr, "Error while executing init %d\n", i);
                return -1;
            }
        }
        if(!(main_run(fd, 3, 53, touches[i][0]) && main_run(fd, 3, 54, touches[i][1]))) {
            fprintf(stderr, "Error while executing main\n");
            return -1;
        }
        for(int i = 0; i < 5; i++) {
            if(!main_run(fd, finalize[i][0], finalize[i][1], finalize[i][2])) {
                fprintf(stderr, "Error while executing finalize %d\n", i);
                return -1;
            }
        }
        i++;
    }
    
    return 0;
}