heredoc and builtins fix

src/executor/heredoc_input.c

@@ -0,0 +1,80 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   heredoc_input.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: sede-san <sede-san@student.42madrid.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/02/14 17:50:00 by sede-san          #+#    #+#             */
+/*   Updated: 2026/02/14 17:50:00 by sede-san         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "heredoc_internal.h"
+#include "errors.h"
+
+static bool	write_all(int fd, const char *buffer, size_t len)
+{
+	size_t	total;
+	ssize_t	written;
+
+	total = 0;
+	while (total < len)
+	{
+		written = write(fd, buffer + total, len - total);
+		if (written <= 0)
+			return (false);
+		total += written;
+	}
+	return (true);
+}
+
+static bool	write_heredoc_line(int fd, const char *line)
+{
+	if (!write_all(fd, line, ft_strlen(line)))
+		return (false);
+	return (write_all(fd, "\n", 1));
+}
+
+static bool	handle_heredoc_line(int fd, char *line, t_redirection *rd,
+		t_minishell *minishell)
+{
+	char	*expanded;
+
+	expanded = line;
+	if (rd->heredoc_expand)
+	{
+		expanded = executor_expand_heredoc_line(line, minishell);
+		free(line);
+		if (expanded == NULL)
+			return (false);
+	}
+	if (!write_heredoc_line(fd, expanded))
+		return (free(expanded), perror("write"), false);
+	free(expanded);
+	return (true);
+}
+
+bool	executor_heredoc_fill_tmp(int fd, t_redirection *rd,
+		t_minishell *minishell, uint8_t *exit_status)
+{
+	char	*line;
+
+	while (1)
+	{
+		line = executor_heredoc_read_line(minishell);
+		if (minishell_consume_sigint())
+			return (free(line), *exit_status = 130, false);
+		if (line == NULL)
+		{
+			if (!isatty(STDIN_FILENO))
+				minishell->exit = true;
+			return (ft_eprintf("minishell: warning: here-document delimited by "
+					"end-of-file (wanted `%s')\n", rd->target), true);
+		}
+		if (ft_strcmp(line, rd->target) == 0)
+			return (free(line), true);
+		if (!handle_heredoc_line(fd, line, rd, minishell))
+			return (*exit_status = EXIT_FAILURE, false);
+	}
+}