42_minishell/redirection/check.c
2023-03-29 19:07:57 +02:00

68 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* check.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/29 17:32:06 by cchauvet #+# #+# */
/* Updated: 2023/03/29 18:43:20 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "./redirection_private.h"
static void ft_check_heredoc(t_data *data, t_cmd *cmd,
char *redirection_identifier, char *redirection)
{
if (ft_strcmp(redirection_identifier, "<<") == 0)
cmd->fd_in[0] = ft_heredoc(data, redirection);
}
static void ft_check_infile(t_data *data, t_cmd *cmd,
char *redirection_identifier, char *redirection)
{
if (ft_strcmp(redirection_identifier, "<") == 0)
{
if (ft_file_is_readable(data, redirection))
cmd->fd_in[0] = open(redirection, O_RDONLY);
else
cmd->fd_in[0] = -2;
}
}
static void ft_check_outfile(t_data *data, t_cmd *cmd,
char *redirection_identifier, char *redirection)
{
if (ft_strcmp(redirection_identifier, ">") == 0)
{
if (ft_file_is_writable(data, redirection))
cmd->fd_out[0] = open(redirection,
O_WRONLY | O_TRUNC | O_CREAT, 0644);
else
cmd->fd_out[0] = -2;
}
}
static void ft_check_outfile_append(t_data *data, t_cmd *cmd,
char *redirection_identifier, char *redirection)
{
if (ft_strcmp(redirection_identifier, ">>") == 0)
{
if (ft_file_is_writable(data, redirection))
cmd->fd_out[0] = open(redirection,
O_WRONLY | O_APPEND | O_CREAT, 0644);
else
cmd->fd_out[0] = -2;
}
}
void ft_check_redirection(t_data *data, t_cmd *cmd,
char *redirection_identifier, char *redirection)
{
ft_check_heredoc(data, cmd, redirection_identifier, redirection);
ft_check_infile(data, cmd, redirection_identifier, redirection);
ft_check_outfile(data, cmd, redirection_identifier, redirection);
ft_check_outfile_append(data, cmd, redirection_identifier, redirection);
}