general improvement

srcs/parsing/heredoc.c

@@ -0,0 +1,74 @@
+#include "../../includes/minishell.h"
+
+void	read_hereinput(char *limiter)
+{
+	char	buf[100000];
+	char	c;
+	int		r;
+	int		i;
+
+	r = 0;
+	i = 0;
+	ft_fprintf(2, "heredoc> ");
+	r = read(0, &c, 1);
+	if (r == 0)
+	{
+		ft_fprintf (2, "etdsttdt\n");
+		exit(EXIT_SUCCESS);
+	}
+	while (r && c != '\n' && c != '\0')
+	{
+		if (c != '\n' && c != '\0')
+			buf[i++] = c;
+		r = read(0, &c, 1);
+	}
+	buf[i] = '\0';
+	if (ft_strncmp(buf, limiter, ft_strlen(limiter)) == 0)
+	{
+		ft_fprintf(1, "%s", buf);
+		exit(EXIT_SUCCESS);
+	}
+	buf[i++] = '\n';
+	buf[i] = '\0';
+	ft_fprintf(1, "%s", buf);
+}
+
+void	parse_heredoc(char *limiter)
+{
+	int	fd;
+	pid_t	pid;
+
+	fd = open(".heredoc", O_WRONLY | O_CREAT | O_APPEND, 0666);
+	pid = fork();
+	if (pid == 0)
+	{
+		dup2(fd, STDOUT_FILENO);
+		close (fd);
+		while (1)
+			read_hereinput(limiter);
+	}
+	else if (pid > 0)
+	{
+		waitpid(pid, NULL, 0);
+		close (fd);
+	}
+	else
+	{
+		close (fd);
+		perror("fork");
+		exit (EXIT_FAILURE);
+	}
+}
+
+void	create_heredoc(t_node *lst)
+{
+	while (lst)
+	{
+		if (lst->pressision == HEREDOC && lst->next && lst->next->pressision)
+		{
+			lst = lst->next;
+			parse_heredoc(lst->val);
+		}
+		lst = lst->next;
+	}
+}