diff --git a/ls/Session.vim b/ls/Session.vim
index 204e6359..bd1beca1 100644
--- a/ls/Session.vim
+++ b/ls/Session.vim
@@ -8,7 +8,7 @@ if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''
   let s:wipebuf = bufnr('%')
 endif
 set shortmess=aoO
-badd +51 src/lib_ls_long2.c
+badd +28 src/lib_ls_long2.c
 badd +23 src/ft_ls_long.c
 badd +1 includes/ft_ls.h
 badd +60 ~/.tmux.conf
@@ -26,8 +26,8 @@ badd +1 Makefile
 badd +22 src/lib_error.c
 badd +32 src/lib_dirs.c
 badd +31 src/ft_dir_get_ents.c
-badd +9 libft/src/ft_printf/ft_printf.c
-badd +43 libft/includes/ft_printf.h
+badd +69 libft/src/ft_printf/ft_printf.c
+badd +46 libft/includes/ft_printf.h
 badd +2 libft/src/printing/ft_putstr_fd.c
 badd +11 libft/includes/libft.h
 badd +2 libft/src/ft_printf/lib_fmt.c
@@ -44,14 +44,16 @@ badd +25 libft/src/lst/ft_lst_removeif.c
 badd +42 ~/.vimrc
 badd +12 src/ft_ent_has_dir.c
 badd +35 src/ft_ent_get_dirs.c
-badd +1 src/lib_ent.c
+badd +18 src/lib_ent.c
 badd +11 .Makefile.swp
 badd +18 ~/dotfiles/vim.symlink/plugins.vim
 badd +22 libft/src/str/ft_strsub.c
 badd +1 libft/Makefile
 badd +14 libft/src/btree/btree_print.c
 badd +14 libft/src/printing/ft_putaddr.c
-badd +1 libft/src/str/ft_strinsert.c
+badd +13 libft/src/str/ft_strinsert.c
+badd +20 libft/src/str/ft_strdel.c
+badd +22 libft/src/str/ft_strjoin.c
 args src/lib_ls_long2.c
 edit includes/ft_ls.h
 set splitbelow splitright
@@ -123,19 +125,13 @@ if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
 23
-normal! 011l
-tabedit src/lib_ent.c
+normal! 01l
+tabedit src/ft_ls.c
 set splitbelow splitright
-wincmd _ | wincmd |
-vsplit
-1wincmd h
-wincmd w
 set nosplitbelow
 set nosplitright
 wincmd t
 set winheight=1 winwidth=1
-exe 'vert 1resize ' . ((&columns * 90 + 90) / 181)
-exe 'vert 2resize ' . ((&columns * 90 + 90) / 181)
 argglobal
 setlocal fdm=manual
 setlocal fde=0
@@ -146,78 +142,13 @@ setlocal fml=1
 setlocal fdn=20
 setlocal fen
 silent! normal! zE
-let s:l = 38 - ((37 * winheight(0) + 40) / 80)
-if s:l < 1 | let s:l = 1 | endif
-exe s:l
-normal! zt
-38
-normal! 01l
-wincmd w
-argglobal
-edit src/ft_ls.c
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
 let s:l = 49 - ((48 * winheight(0) + 40) / 80)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
 49
 normal! 026l
-wincmd w
-exe 'vert 1resize ' . ((&columns * 90 + 90) / 181)
-exe 'vert 2resize ' . ((&columns * 90 + 90) / 181)
-tabedit src/lib_ls_long2.c
-set splitbelow splitright
-set nosplitbelow
-set nosplitright
-wincmd t
-set winheight=1 winwidth=1
-argglobal
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let s:l = 1 - ((0 * winheight(0) + 40) / 80)
-if s:l < 1 | let s:l = 1 | endif
-exe s:l
-normal! zt
-1
-normal! 0
-tabedit libft/src/str/ft_strinsert.c
-set splitbelow splitright
-set nosplitbelow
-set nosplitright
-wincmd t
-set winheight=1 winwidth=1
-argglobal
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let s:l = 1 - ((0 * winheight(0) + 40) / 80)
-if s:l < 1 | let s:l = 1 | endif
-exe s:l
-normal! zt
-1
-normal! 0
-tabnext 4
+tabnext 2
 if exists('s:wipebuf')
   silent exe 'bwipe ' . s:wipebuf
 endif
diff --git a/ls/libft/includes/ft_printf.h b/ls/libft/includes/ft_printf.h
index 9a439cec..0cef383e 100644
--- a/ls/libft/includes/ft_printf.h
+++ b/ls/libft/includes/ft_printf.h
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/07 13:22:54 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/16 10:53:57 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 18:20:10 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -43,6 +43,7 @@ struct	s_fmt
 };
 
 int		ft_vdprintf(int fd, const char *format, va_list ap);
+int		ft_fmtcalc(char **final, char **str, va_list ap);
 
 extern t_conv	g_convs[];
 
diff --git a/ls/libft/src/btree/btree_print.c b/ls/libft/src/btree/btree_print.c
deleted file mode 100644
index 757fa330..00000000
--- a/ls/libft/src/btree/btree_print.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   btree_print.c                                      :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2016/11/14 18:06:24 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/21 15:13:44 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "btree.h"
-
-enum	e_data
-{
-	is_left,
-	offset,
-	depth,
-};
-
-static int	print_t(t_btree *tree,
-		int data[3], char s[20][255], char *(*printer)(void *))
-{
-	char	b[20];
-	int		width;
-	int		left;
-	int		right;
-	int		i;
-
-	width = 5;
-	if (!tree)
-		return (0);
-	sprintf(b, "%5s", printer(tree->item));
-	left = print_t(tree->left, (int[3]){
-			1, data[offset], data[depth] + 1}, s, printer);
-	right = print_t(tree->right, (int[3]){
-			0, data[offset] + left + width, data[depth] + 1}, s, printer);
-	i = -1;
-	while (++i < width)
-		s[data[depth]][data[offset] + left + i] = b[i];
-	if (data[depth] && data[is_left])
-	{
-		i = -1;
-		while (++i < width)
-			s[data[depth] - 1][data[offset] + left + width / 2 + i] = '-';
-		s[data[depth] - 1][data[offset] + left + width / 2] = '.';
-	}
-	else if (data[depth] && !data[is_left])
-	{
-		i = -1;
-		while (++i < width)
-			s[data[depth] - 1][data[offset] - width / 2 + i] = '-';
-		s[data[depth] - 1][data[offset] + left + width / 2] = '.';
-	}
-	i = -1;
-	while (++i < width)
-		s[2 * data[depth]][data[offset] + left + i] = b[i];
-	if (data[depth] && data[is_left])
-	{
-		i = -1;
-		while (++i < width)
-			s[2 * data[depth] - 1][data[offset] + left + width / 2 + i] = '-';
-		s[2 * data[depth] - 1][data[offset] + left + width / 2] = '+';
-		s[2 * data[depth] - 1][
-			data[offset] + left + right + 3 * width / 2] = '+';
-	}
-	else if (data[depth] && !data[is_left])
-	{
-		i = -1;
-		while (++i < width)
-			s[2 * data[depth] - 1][data[offset] - width / 2 + i] = '-';
-		s[2 * data[depth] - 1][data[offset] + left + width / 2] = '+';
-		s[2 * data[depth] - 1][data[offset] - width / 2 - 1] = '+';
-	}
-	return (left + width + right);
-}
-
-void	btree_print(t_btree *tree, char *(*printer)(void *))
-{
-	char	s[20][255];
-	char	empty[255];
-	int		i;
-
-	i = -1;
-	while (++i < 20)
-		sprintf(s[i], "%80s", " ");
-	sprintf(empty, "%80s", " ");
-	print_t(tree, (int[3]){0, 0, 0}, s, printer);
-	i = -1;
-	while (++i < 20)
-	{
-		if (ft_strcmp(s[i], empty) == 0)
-			break ;
-		printf("%s\n", s[i]);
-	}
-}
diff --git a/ls/libft/src/ft_printf/ft_printf.c b/ls/libft/src/ft_printf/ft_printf.c
index f3989d5e..79a78e4f 100644
--- a/ls/libft/src/ft_printf/ft_printf.c
+++ b/ls/libft/src/ft_printf/ft_printf.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/07 13:33:27 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/21 15:15:04 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 18:22:26 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -44,32 +44,44 @@ int	ft_dprintf(int fd, const char *format, ...)
 int	ft_vdprintf(int fd, const char *format, va_list ap)
 {
 	char	*str;
-	char	*transform;
-	char	final[1000];
-	t_fmt	*fmt;
+	char	*tmp;
+	char	*final;
 
 	str = (char *)format;
-	ft_bzero(final, 1000);
+	final = ft_strnew(1);
 	while (*str)
 	{
+		tmp = final;
 		if (*str == '%')
 		{
-			str++;
-			if (!(fmt = ft_printf_parse(&str, ap)))
+			if (ft_fmtcalc(&final, &str, ap))
 				return (1);
-			if (!fmt->valid)
-				ft_strncat(final, &fmt->conversion, 1);
-			else
-			{
-				transform = ft_transform(fmt, ap);
-				ft_strcat(final, transform);
-				free(transform);
-			}
-			free(fmt);
 		}
 		else
-			ft_strncat(final, str++, 1);
+			final = ft_strjoin(final, (char[]){*str++, 0});
+		ft_strdel(&tmp);
 	}
 	ft_putstr_fd(final, fd);
+	ft_strdel(&final);
+	return (0);
+}
+
+int	ft_fmtcalc(char **final, char **str, va_list ap)
+{
+	t_fmt	*fmt;
+	char	*transform;
+
+	*str += 1;
+	if (!(fmt = ft_printf_parse(str, ap)))
+		return (1);
+	if (!fmt->valid)
+		ft_strncat(*final, &fmt->conversion, 1);
+	else
+	{
+		transform = ft_transform(fmt, ap);
+		*final = ft_strjoin(*final, transform);
+		ft_strdel(&transform);
+	}
+	free(fmt);
 	return (0);
 }
diff --git a/ls/libft/src/str/ft_strdel.c b/ls/libft/src/str/ft_strdel.c
index a434df20..19df79fe 100644
--- a/ls/libft/src/str/ft_strdel.c
+++ b/ls/libft/src/str/ft_strdel.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/03 14:58:00 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/03 14:58:00 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 18:03:21 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,6 +14,9 @@
 
 void	ft_strdel(char **as)
 {
-	free(*as);
-	*as = NULL;
+	if (as)
+	{
+		free(*as);
+		*as = NULL;
+	}
 }
diff --git a/ls/libft/src/str/ft_strinsert.c b/ls/libft/src/str/ft_strinsert.c
index 3548469a..fcf8b1b6 100644
--- a/ls/libft/src/str/ft_strinsert.c
+++ b/ls/libft/src/str/ft_strinsert.c
@@ -1,3 +1,15 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strinsert.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2016/11/21 18:21:57 by jhalford          #+#    #+#             */
+/*   Updated: 2016/11/21 18:21:57 by jhalford         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
 #include "libft.h"
 
 char	*ft_strinsert(char *str, char c, int n)
diff --git a/ls/libft/src/str/ft_strjoin.c b/ls/libft/src/str/ft_strjoin.c
index 943ded51..ece5a205 100644
--- a/ls/libft/src/str/ft_strjoin.c
+++ b/ls/libft/src/str/ft_strjoin.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/03 14:58:18 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/10 10:14:09 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 18:10:22 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ls/src/lib_ent.c b/ls/src/lib_ent.c
index c77fa4ea..3ced4f94 100644
--- a/ls/src/lib_ent.c
+++ b/ls/src/lib_ent.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/07 15:00:05 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/21 17:22:13 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 18:23:05 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,8 +14,6 @@
 
 void	ft_ent_filter(t_list **ent, int opts)
 {
-	/* (void)ent; */
-	/* (void)opts; */
 	if (!(opts & OPTS_LA))
 		ft_lst_delif(ent, ".", &ft_lsdata_cmp0, &ft_ent_free);
 }
diff --git a/ls/src/lib_ls_long2.c b/ls/src/lib_ls_long2.c
index 84f93514..9653caf3 100644
--- a/ls/src/lib_ls_long2.c
+++ b/ls/src/lib_ls_long2.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/07 15:01:01 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/21 17:29:24 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 17:54:05 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ls/src/main.c b/ls/src/main.c
index 1983b6dc..fbba9f17 100644
--- a/ls/src/main.c
+++ b/ls/src/main.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/07 15:00:15 by jhalford          #+#    #+#             */
-/*   Updated: 2016/11/21 14:33:22 by jhalford         ###   ########.fr       */
+/*   Updated: 2016/11/21 18:23:52 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */