Files
minishell/src/executor/heredoc_input.c
2026-02-14 14:26:58 +01:00

81 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* 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);
}
}