first commit

ls/.gitmodules

@@ -0,0 +1,3 @@
+[submodule "libft"]
+	path = libft
+	url = http://github.com/jzck/libft

ls/.tags

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+Mmain	src/main.c	/^int		main(int ac, char **av)$/
+ft_error_dir	src/lib_error.c	/^void	ft_error_dir(char *s)$/
+ft_error_option	src/lib_error.c	/^void	ft_error_option(char c)$/
+ft_ls	src/lib_print.c	/^void	ft_ls(t_list **dirs_p)$/
+ft_parse_ls	src/lib_parse.c	/^void	ft_parse_ls(int ac, char **av, t_list **dirs,/
+ft_parse_ls_options	src/lib_parse.c	/^int		ft_parse_ls_options(int ac, char **av, char */

ls/Makefile

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+NAME	=	ft_ls
+CC		=	gcc
+TAGFILE	=	.tags
+
+D_SRC	=	src
+F_SRC	:=	$(shell ls -1 $(D_SRC) | grep "\.c$$")
+DF_SRC	:=	$(addprefix $(D_SRC)/, $(F_SRC))
+
+D_OBJ	=	obj
+F_OBJ	=	$(F_SRC:.c=.o)
+DF_OBJ	:=	$(addprefix $(D_OBJ)/, $(F_OBJ))
+
+D_INC	=	includes libft/includes
+O_INC	=	$(addprefix -I, $(D_INC))
+
+W_FLAGS	=	-Wall -Wextra -Werror
+D_FLAGS	=
+
+MKDIR	=	mkdir -p
+RM		=	/bin/rm -rf
+
+.PHONY: all clean fclean re tags test libft
+
+all: libft $(NAME) $(TAGFILE)
+
+test:
+	gcc -Iincludes main.c libftprintf.a
+
+$(TAGFILE): $(D_SRC)/*.c
+	@ctags -f $(TAGFILE) $(addprefix $(D_SRC)/, $(F_SRC))
+	@echo "Making tags..."
+
+$(D_OBJ)/%.o: $(D_SRC)/%.c $(D_INC)
+	@$(MKDIR) $(D_OBJ)
+	@$(CC) $(O_INC) $(W_FLAGS) -c $< -o $@ $(D_FLAGS)
+	@echo "Compiling "$<"..."
+
+libft:
+	@$(MAKE) -C libft/ 2>/dev/null
+
+$(NAME): $(DF_OBJ) libft/libft.a
+	$(CC) $(O_INC) -Llibft -lft $(W_FLAGS) $(DF_OBJ) -o $@ $(D_FLAGS)
+
+clean:
+	$(RM) $(D_OBJ)
+
+fclean: clean
+	$(RM) $(NAME)
+
+re: fclean all

ls/includes/ftls.h

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+#ifndef FTLS_H
+# define FTLS_H
+# define ALL_OPTS "lRart"
+# include "libft.h"
+# include <dirent.h>
+
+int		ft_parse_ls_options(int ac, char **av, char *opts);
+void	ft_parse_ls(int ac, char **av, t_list **dirs, char * opts);
+
+void	ft_ls(t_list **dirs);
+
+void	ft_error_option(char c);
+void	ft_error_dir(char *s);
+
+#endif

ls/libft

@@ -0,0 +1 @@
+Subproject commit 55497a8a27b8f6ef48d629f0ed0e381a8130db3f

ls/src/lib_error.c

@@ -0,0 +1,12 @@
+#include "ftls.h"
+#include <stdio.h>
+
+void	ft_error_option(char c)
+{
+	ft_printf("warning option '%c' is unsupported\n", c);
+}
+
+void	ft_error_dir(char *s)
+{
+	ft_printf("ls: %s: no such file or directory\n", s);
+}

ls/src/lib_parse.c

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+#include "ftls.h"
+
+void	ft_parse_ls(int ac, char **av, t_list **dirs, char *opts)
+{
+	int		i;
+	DIR		*dir;
+
+	(void)dirs;
+	i = ft_parse_ls_options(ac, av, opts);
+	ft_printf("options: %s\n", opts);
+	ft_strlsort(av + i, ac - i, &ft_strcmp);
+	if (i == ac)
+		ft_lstadd(dirs, ft_lstnew(opendir("."), sizeof(*dir)));
+	while (i < ac)
+	{
+		dir = opendir(av[i]);
+		if (dir)
+		{
+			ft_lstadd(dirs, ft_lstnew(dir, sizeof(*dir)));
+			/* ft_printf("found dir %s\n", av[i]); */
+		}
+		else
+			ft_error_dir(av[i]);
+		i++;
+	}
+}
+
+int		ft_parse_ls_options(int ac, char **av, char *opts)
+{
+	int		i;
+	int		j;
+
+	i = 1;
+	while (i < ac)
+	{
+		if (av[i][0] == '-' && av[i][1] != '\0')
+		{
+			j = 1;
+			while(av[i][j])
+			{
+				if (ft_strchr(ALL_OPTS, av[i][j]))
+				{
+					if (!ft_strchr(opts, av[i][j]))
+						ft_strcat(opts, av[i] + j);
+				}
+				else
+					ft_error_option(av[i][j]);
+				j++;
+			}
+		}
+		else
+			break ;
+		i++;
+	}
+	return (i);
+}

ls/src/lib_print.c

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+#include "ftls.h"
+
+void	ft_ls(t_list **dirs_p)
+{
+	t_list			*ents;
+	struct dirent	*dirent;
+	DIR				*dir;
+
+	ents = NULL;
+	dir = (*dirs_p)->content;;
+	while ((dirent = readdir(dir)))
+	{
+		ft_lstadd(&ents, ft_lstnew(dirent, sizeof(*dirent)));
+	}
+	*dirs_p = (*dirs_p)->next;
+}

ls/src/main.c

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+#include "ftls.h"
+
+int		main(int ac, char **av)
+{
+	t_list	*dirs;
+	char	*opts;
+
+	dirs = NULL;
+	opts = (char *)malloc(sizeof(char) * 7);
+	ft_bzero(opts, 7);
+	ft_parse_ls(ac, av, &dirs, opts);
+	while (dirs)
+		ft_ls(&dirs);
+	return (0);
+}