First version with working test (read and print file)

srcs/read_file.c

@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   read_file.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: vmanzoni <vmanzoni@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/04/13 12:09:46 by vmanzoni          #+#    #+#             */
+/*   Updated: 2019/04/14 12:08:12 by vmanzoni         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../includes/fillit.h"
+
+char	*read_file(char *file)
+{
+	char	buf[BUFFER_SIZE];
+	int		fd;
+	int		rv;
+	int		i;
+	char	*result;
+
+	if (((fd = open(file, O_RDONLY)) < 0) \
+		|| ((rv = read(fd, &buf, BUFFER_SIZE)) < 0) \
+		|| !(result =  malloc(sizeof(char))))
+		return (NULL);
+	buf[rv] = '\0';
+	i = 0;
+	while (rv--)
+	{
+		result[i] = buf[i];
+		i++;
+	}
+	close(fd);
+	return (result);
+}