minishell/parsing/pipe_utils.c
2023-12-12 17:32:54 +01:00

41 lines
1.4 KiB
C
Executable File

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* pipe_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fgras-ca <fgras-ca@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/12/09 17:16:52 by fgras-ca #+# #+# */
/* Updated: 2023/12/09 18:45:08 by fgras-ca ### ########.fr */
/* */
/* ************************************************************************** */
#include "../minishell.h"
void close_all_pipes(int *pipe_fds, int count)
{
int i;
i = 0;
while (i < count)
{
close(pipe_fds[i]);
i++;
}
}
void setup_child_process(t_child_process_params *params)
{
if (params->i != 0)
{
dup2(params->pipe_fds[(params->i - 1) * 2], STDIN_FILENO);
}
if (params->i != params->command_count - 1)
{
dup2(params->pipe_fds[params->i * 2 + 1], STDOUT_FILENO);
}
close_all_pipes(params->pipe_fds, 2 * (params->command_count - 1));
execute_command(params->commands[params->i], params->shell, params->fd);
exit(EXIT_SUCCESS);
}