exam final

1 files changed, 85 insertions, 0 deletions

diff --git a/exam_final/rendu/brainfuck/brainfuck.c b/exam_final/rendu/brainfuck/brainfuck.c
new file mode 100755
index 0000000..4cd619d
--- /dev/null
+++ b/exam_final/rendu/brainfuck/brainfuck.c
@@ -0,0 +1,85 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   brainfuck.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 16:42:44 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 17:43:25 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "stack.h"
+#include <stdlib.h>
+#include <unistd.h>
+
+void	go_close(char **str)
+{
+	t_stack *st;
+
+	st = create_elem(**str);
+	while (st != NULL)
+	{
+		(*str)++;
+		if (**str == '[')
+			st = push(st, '[');
+		if (**str == ']')
+			st = pop(st);
+	}
+}
+
+void	go_open(char **str)
+{
+	t_stack *st;
+
+	st = create_elem(**str);
+	while (st != NULL)
+	{
+		(*str)--;
+		if (**str == ']')
+			st = push(st, ']');
+		if (**str == '[')
+			st = pop(st);
+	}
+}
+
+int	main(int argc, char **argv)
+{
+	char	*ptr;
+	char	*origin;
+	char	*str;
+	int		i;
+
+	if (argc != 2)
+	{
+		write(1, "\n", 1);
+		return (0);
+	}
+	origin = (char*)malloc(2048);
+	ptr = origin;
+	i = 0;
+	while (i < 2048)
+		ptr[i++] = 0;
+	str = argv[1];
+	while (*str)
+	{
+		if (*str == '>')
+			ptr++;
+		else if (*str == '<')
+			ptr--;
+		else if (*str == '+')
+			(*ptr)++;
+		else if (*str == '-')
+			(*ptr)--;
+		else if (*str == '.')
+			write(1, ptr, 1);
+		else if (*str == '[' && *ptr == 0)
+			go_close(&str);
+		else if (*str == ']' && *ptr != 0)
+			go_open(&str);
+		str++;
+	}
+	free(origin);
+	return (0);
+}