//
// Created by Lennart on 02/12/2023.
//

#include "input_handler.h"
#include <stdlib.h>
#include <string.h>

#define INITIAL_CAPACITY 64

const char* read_line(FILE *f, char **buffer, int *capacity) {
    if(*buffer == NULL) {
        *buffer = malloc(2 * sizeof (char) * INITIAL_CAPACITY);
        *capacity = INITIAL_CAPACITY;
    }

    int position = 0;
    while(!feof(f)) {
        char *res = fgets(*buffer + position, *capacity - position, f);
        if(res[strlen(res) - 1] == '\n') {
            return *buffer;
        }

        *buffer = realloc(*buffer, 2 * sizeof (char) * *capacity);
        position += (int) strlen(res);
        *capacity *= 2;
    }

    return *buffer;
}