Merge branch 'master' into ft_ssl

1 files changed, 82 insertions, 0 deletions

diff --git a/src/io/ft_getline.c b/src/io/ft_getline.c
new file mode 100644
index 0000000..067e66c
--- /dev/null
+++ b/src/io/ft_getline.c
@@ -0,0 +1,82 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_getline.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/01/31 10:39:38 by cacharle          #+#    #+#             */
+/*   Updated: 2020/05/12 21:32:50 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static int		st_read_line(int fd, char **line, char *rest)
+{
+	int			ret;
+	char		*cut;
+	static char	buf[FT_GETLINE_BUFFER_SIZE + 1] = {'\0'};
+
+	while ((ret = read(fd, buf, FT_GETLINE_BUFFER_SIZE)) > 0)
+	{
+		buf[ret] = '\0';
+		if ((cut = ft_strchr(buf, '\n')) != NULL)
+		{
+			ft_strcpy(rest, cut + 1);
+			*cut = '\0';
+		}
+		if ((*line = ft_strjoinf(*line, buf, FT_STRJOINF_FST)) == NULL)
+			return (FT_ERROR);
+		if (cut != NULL)
+			return (FT_LINE);
+	}
+	if (ret == -1)
+		free(line);
+	return (ret);
+}
+
+/*
+** if has rest:
+**     if rest has newline:
+**         push rest until newline in line, shift rest
+**         return LINE_READ
+**     else:
+**         push rest in line
+**
+** while can read fd in buf
+**     if buf has newline:
+**         push buf until newline in line
+**         push buf after newline in rest
+**         return LINE_READ
+**     push buf in line
+**
+** return FTNL_EOF
+*/
+
+int				ft_getline(int fd, char **line)
+{
+	char		*cut;
+	static char	rest[OPEN_MAX][FT_GETLINE_BUFFER_SIZE + 1] = {{'\0'}};
+
+	if (fd < 0 || fd > OPEN_MAX || line == NULL)
+		return (FT_ERROR);
+	if (rest[fd][0] == '\0')
+	{
+		if ((*line = ft_strdup("")) == NULL)
+			return (FT_ERROR);
+		return (st_read_line(fd, line, rest[fd]));
+	}
+	if ((cut = ft_strchr(rest[fd], '\n')) != NULL)
+	{
+		*cut = '\0';
+		if ((*line = ft_strdup(rest[fd])) == NULL)
+			return (FT_ERROR);
+		ft_strmove(rest[fd], cut + 1);
+		return (FT_LINE);
+	}
+	if ((*line = ft_strdup(rest[fd])) == NULL)
+		return (FT_ERROR);
+	rest[fd][0] = '\0';
+	return (st_read_line(fd, line, rest[fd]));
+}