GNL with static buf worked. Next step, find a way to catch multiple nl when they're in the same buf

get_next_line_utils.c

@@ -6,7 +6,84 @@
 /*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/11/21 17:21:38 by dgaillet          #+#    #+#             */
-/*   Updated: 2025/11/21 17:21:49 by dgaillet         ###   ########lyon.fr   */
+/*   Updated: 2025/11/21 18:57:06 by dgaillet         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
+#include "get_next_line.h"
+
+int	index_of_nl(char *str, int limit)
+{
+	int	i;
+
+	i = 0;
+	while (i < limit)
+	{
+		if (str[i] == '\n')
+			return (i);
+		i++;
+	}
+	return (-1);
+}
+
+size_t	ft_strlen(const char *s)
+{
+	size_t	i;
+
+	i = 0;
+	while (s[i])
+		i++;
+	return (i);
+}
+
+char	*ft_strjoin_new(char const *s1, char const *s2, size_t limit)
+{
+	char	*str;
+	size_t	i;
+	size_t	j;
+
+	str = malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
+	if (!str)
+		return (NULL);
+	i = 0;
+	j = 0;
+	while (s1[i])
+	{
+		str[i] = s1[i];
+		i++;
+	}
+	while (j <= limit)
+	{
+		str[i + j] = s2[j];
+		j++;
+	}
+	str[i + j] = '\0';
+	free((void *) s1);
+	return (str);
+}
+
+char	*ft_substr(char const *s, unsigned int start, size_t len)
+{
+	size_t	i;
+	char	*sub_str;
+	size_t	s_len;
+
+	if (!s)
+		return (NULL);
+	s_len = ft_strlen(s);
+	if (start > s_len)
+		len = 0;
+	else if (s_len < (start + len))
+		len = s_len - start;
+	sub_str = malloc(sizeof(char) * (len + 1));
+	if (!sub_str)
+		return (NULL);
+	i = 0;
+	while (i < len)
+	{
+		sub_str[i] = s[start + i];
+		i++;
+	}
+	sub_str[i] = '\0';
+	return (sub_str);
+}