src/ft_get_res.c


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#include <libft.h>
#include <cub3d.h>

static void
ft_checkdigit(const char *word, t_win *wlist)
{
	size_t	i;

	i = 0;
	while (ft_isdigit(word[i]))
		i++;
	if (i != ft_strlen(word))
		ft_map_error(1, wlist);
}
	
int
ft_get_res(int fd, t_win *wlist)
{
	char	*line;
	char	**words;

	if (get_next_line(fd, &line) <= 0 || !(words = ft_split(line, ' ')))
	{
		ft_memdel(line);
		return (ft_map_error(1, wlist));
	}
	if (!(*words) || ft_strcmp(*words, "R") || !(*(words + 1))
		|| !(*(words + 2)) || (*(words + 3)))
	{
		ft_free_words(words, line);
		return (ft_map_error(1, wlist));
	}
	ft_checkdigit(words[1], wlist);
	ft_checkdigit(words[2], wlist);
	wlist->x_size = ft_atoi(words[1]);
	wlist->y_size = ft_atoi(words[2]);
	ft_free_words(words, line);
	return (0);
}