#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>

#define BUFFER_SIZE 65536

char    *ft_read(int filedes)
{
    char    *str;
    char    buffer[BUFFER_SIZE];
    int     input_size;
    int     str_size;
    int     done;

    done = 0;
    str = (char *)malloc(sizeof(char));
    if (!str)
        return (NULL);
    *str = '\0';
    str_size = 0;
    while (!done && (input_size = read(filedes, buffer, sizeof(buffer) - 1)) > 0)
    {
        // if stdin stop at newline
        if (filedes == 0 && buffer[input_size-1] == '\n')
            done = 1;
        buffer[input_size] = '\0';
        str = realloc(str, str_size + input_size + 1);
        if (!str)
            return (NULL);
        str = strncat(str, buffer, input_size);
        str_size += input_size;
    }
    if (input_size < 0)
    {
        free(str);
        return (NULL);
    }
    return (str);
}

// return number of character in current line starting from cursor
int     ft_linelen(char *cursor)
{
    char    *i;
/*circlejerk carrousell*/
    i = cursor;
    while (*i && *i != '\n')
        i++;
    return ((int)(i - cursor));
}