86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* check.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/03/29 17:32:06 by cchauvet #+# #+# */
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/* Updated: 2023/03/29 19:21:59 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "./redirection_private.h"
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static bool ft_check_heredoc(t_data *data, t_cmd *cmd,
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char *redirection_identifier, char *redirection)
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{
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if (ft_strcmp(redirection_identifier, "<<") == 0)
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{
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cmd->fd_in[0] = ft_heredoc(data, redirection);
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if (cmd->fd_in[0] == -2)
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return (1);
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}
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return (0);
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}
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static bool ft_check_infile(t_data *data, t_cmd *cmd,
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char *redirection_identifier, char *redirection)
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{
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if (ft_strcmp(redirection_identifier, "<") == 0)
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{
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if (ft_file_is_readable(data, redirection))
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cmd->fd_in[0] = open(redirection, O_RDONLY);
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else
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{
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cmd->fd_in[0] = -2;
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return (1);
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}
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}
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return (0);
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}
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static bool ft_check_outfile(t_data *data, t_cmd *cmd,
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char *redirection_identifier, char *redirection)
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{
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if (ft_strcmp(redirection_identifier, ">") == 0)
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{
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if (ft_file_is_writable(data, redirection))
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cmd->fd_out[0] = open(redirection,
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O_WRONLY | O_TRUNC | O_CREAT, 0644);
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else
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{
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cmd->fd_out[0] = -2;
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return (1);
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}
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}
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return (0);
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}
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static bool ft_check_outfile_append(t_data *data, t_cmd *cmd,
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char *redirection_identifier, char *redirection)
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{
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if (ft_strcmp(redirection_identifier, ">>") == 0)
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{
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if (ft_file_is_writable(data, redirection))
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cmd->fd_out[0] = open(redirection,
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O_WRONLY | O_APPEND | O_CREAT, 0644);
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else
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{
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cmd->fd_out[0] = -2;
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return (1);
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}
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}
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return (0);
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}
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bool ft_check_redirection(t_data *data, t_cmd *cmd,
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char *redirection_identifier, char *redirection)
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{
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return (ft_check_heredoc(data, cmd, redirection_identifier, redirection)
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|| ft_check_infile(data, cmd, redirection_identifier, redirection)
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|| ft_check_outfile(data, cmd, redirection_identifier, redirection)
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|| ft_check_outfile_append(data, cmd, redirection_identifier,
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redirection));
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}
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