init with functionnal works

testt/get_next_line.c

@@ -0,0 +1,197 @@
+#include <libc.h>
+
+void	*ft_memalloc(size_t size)
+{
+	void	*mem;
+	size_t	i;
+
+	i = 0;
+	if (!(mem = malloc(size)))
+		return (NULL);
+	while (i < size)
+	{
+		((char*)mem)[i] = 0;
+		i++;
+	}
+	return (mem);
+}
+
+size_t	ft_strlen(const char *str)
+{
+	size_t i;
+
+	i = 0;
+	while (str[i])
+		i++;
+	return (i);
+}
+
+char	*ft_strjoin(char const *s1, char const *s2)
+{
+	size_t	i;
+	size_t	j;
+	char	*str;
+	size_t	str_len;
+
+	i = 0;
+	j = 0;
+	if (!(s1 && s2))
+		return (NULL);
+	str_len = (ft_strlen(s1) + ft_strlen(s2));
+	if (!(str = (char *)malloc(sizeof(*str) * (str_len + 1))))
+		return (NULL);
+	while (s1[i])
+	{
+		str[i] = s1[i];
+		i++;
+	}
+	while (s2[j])
+		str[i++] = s2[j++];
+	str[i] = '\0';
+	return (str);
+}
+
+char	*ft_strchr(const char *s, int c)
+{
+	int		i;
+	char	ch;
+
+	i = 0;
+	ch = c;
+	while (s[i])
+	{
+		if (s[i] == ch)
+			return ((char*)s + i);
+		i++;
+	}
+	if (s[i] == '\0' && ch == '\0')
+		return ((char*)s + i);
+	return (NULL);
+}
+
+char	*ft_substr(char const *s, unsigned int start, size_t len)
+{
+	size_t	i;
+	char	*rt;
+
+	i = 0;
+	if (!s)
+		return (NULL);
+	if (start > ft_strlen(s))
+		len = 0;
+	if (!(rt = (char *)malloc(sizeof(*rt) * (len + 1))))
+		return (NULL);
+	while (*s + start && i < len)
+	{
+		rt[i] = s[start];
+		i++;
+		start++;
+	}
+	rt[i] = '\0';
+	return (rt);
+}
+
+
+
+/////////////////////////////////////////////////////////////
+
+
+
+static void	free_it(char **str)
+{
+	if (str)
+	{
+		free(*str);
+		*str = NULL;
+	}
+}
+
+static int	separate_lines(char **line, char **str, int fd)
+{
+	int		i;
+	char	*rest;
+
+	i = 0;
+	while (str[fd][i] && str[fd][i] != '\n')
+		i++;
+	if (!(*line = ft_substr(str[fd], 0, i)))
+	{
+		free_it(&str[fd]);
+		return (-1);
+	}
+	if (str[fd][i])
+	{
+		if (!(rest = ft_substr(str[fd], i + 1, ft_strlen(str[fd]) - (i + 1))))
+		{
+			free_it(&str[fd]);
+			return (-1);
+		}
+		free_it(&str[fd]);
+		str[fd] = rest;
+		return (1);
+	}
+//	free_it(&str[fd]);
+	return (0);
+}
+
+int			get_next_line(int fd, char **line)
+{
+	static char	*str[OPEN_MAX];
+	char		buf[BUFFER_SIZE + 1];
+	int			i;
+	char		*tmp;
+
+	if (fd < 0 || fd >= OPEN_MAX || !line || BUFFER_SIZE <= 0
+		|| read(fd, buf, 0) < 0)
+		return (-1);
+	if (!str[fd])
+		if (!(str[fd] = (char*)ft_memalloc(sizeof(char) * 1)))
+			return (-1);
+	while (!ft_strchr(str[fd], '\n') && (i = read(fd, buf, BUFFER_SIZE)) > 0)
+	{
+		buf[i] = '\0';
+		if (!(tmp = ft_strjoin(str[fd], buf)))
+		{
+			free_it(&str[fd]);
+			return (-1);
+		}
+		free_it(&str[fd]);
+		str[fd] = tmp;
+	}
+	return (separate_lines(line, str, fd));
+}
+
+
+
+/////////////////////////////////////////////////////////////
+
+
+	int		main(int ac, char **av)
+	{
+		int		fd1;
+		int		fd2;
+		int		i;
+		char	*line;
+
+		line = NULL;
+		fd1 = open(av[1], O_RDONLY);
+		fd2 = open(av[2], O_RDONLY);
+		if (ac < 2)
+			return (0);
+		while ((i = get_next_line(fd1, &line)) > 0)
+		{
+			printf("%i", i);
+			printf("%s\n",line);
+			free(line);
+			if ((i = get_next_line(fd2, &line)) > 0)
+			{
+				printf("%s\n",line);
+				free(line);
+			}
+			printf("%i", i);
+		}
+		printf("%i", i);
+		while (1);
+		return (0);
+	}
+