103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* pipe.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/03/05 18:17:25 by marde-vr #+# #+# */
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/* Updated: 2024/03/23 19:25:38 by marde-vr ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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void close_pipe_fds(t_msh *msh, int i)
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{
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if (i != 0)
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{
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if (msh->fds[i - 1][0] > 2)
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close(msh->fds[i - 1][0]);
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if (msh->fds[i - 1][1] > 2)
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close(msh->fds[i - 1][1]);
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}
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if (msh->fds[i][0] > 2)
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close(msh->fds[i][0]);
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if (msh->fds[i][1] > 2)
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close(msh->fds[i][1]);
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}
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void execute_command(t_msh *msh, char **cmd_args, int i)
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{
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char **env;
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if (msh->cmds->token && (!ft_strcmp(msh->cmds->token, "cd")
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|| !ft_strcmp(msh->cmds->token, "alias")
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|| !ft_strcmp(msh->cmds->token, "unalias")
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|| !ft_strcmp(msh->cmds->token, "exit") || exec_builtin(msh)))
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{
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while (i >= 0)
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{
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free(msh->fds[i]);
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msh->fds[i] = 0;
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i--;
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}
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free(cmd_args);
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//ft_exit(msh, 1);
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ft_exit(msh, g_return_code);
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}
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if (msh->cmds->token)
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{
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env = env_to_char_tab(msh->env);
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execve(msh->cmds->token, cmd_args, env);
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ft_free_str_arr(env);
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}
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}
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void child(t_msh *msh, char **cmd_args, int i)
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{
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if ((msh->in_type != ARG && msh->in_type != PIPE)
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|| (msh->in_type == PIPE && i > 0))
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redirect_input(msh, i);
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if (msh->out_type == PIPE || msh->out_type == RED_O
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|| msh->out_type == RED_O_APP)
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redirect_output(msh, i);
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close_pipe_fds(msh, i);
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execute_command(msh, cmd_args, i);
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close(0);
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close(1);
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close(2);
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while (i >= 0)
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{
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free(msh->fds[i]);
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msh->fds[i] = 0;
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i--;
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}
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free(cmd_args);
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ft_exit(msh, g_return_code);
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}
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void parent(t_msh *msh, int i, int cmd_count)
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{
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signal(SIGINT, signal_handler_command);
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signal(SIGQUIT, signal_handler_command);
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if (i != 0)
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{
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if (msh->fds[i - 1][0] > 2)
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close(msh->fds[i - 1][0]);
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if (msh->fds[i - 1][1] > 2)
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close(msh->fds[i - 1][1]);
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}
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if (i == cmd_count - 1)
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{
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if (msh->fds[i][0] > 2)
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close(msh->fds[i][0]);
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if (msh->fds[i][1] > 2)
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close(msh->fds[i][1]);
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}
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if (msh->in_fd > 2)
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close(msh->in_fd);
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if (msh->out_fd > 2)
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close(msh->out_fd);
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}
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