#include "pipex.h"

static void pipex_left(char *cmd, int fd_in, int *pipefd)

{

close(pipefd[0]);

dup2(pipefd[1], 0);

command_proc(cmd, fd_in, pipefd[1]);

exit(EXIT_SUCCESS);

}

static void pipex_right(char *cmd, int fd_out, int *pipefd)

{

close(pipefd[1]);

dup2(pipefd[2], 1);

command_proc(cmd, pipefd[0], fd_out);

exit(EXIT_SUCCESS);

}

void pipex(char **av)

{

int fd[2];

int pipefd[2];

pid_t father1;

pid_t father2;

fd = manage_fd(1, fd, av[0], av[3]);

if (pipe(pipefd) == -1)

ft_error("pipex: call system pipe error");

if ((father1 = fork()) == -1)

ft_error("pipex: call system fork error");

if (father1 == 0)

pipex_left(av[1], fd[0], pipefd);

if ((father2 = fork()) == -1)

ft_error("pipex: call system fork error");

if (father2 == 0)

pipex_right(av[2], fd[1], pipefd);

close(pipefd[0]);

close(pipefd[1]);

waitpid(father1, NULL, 0);

waitpid(father2, NULL, 0);

manage_fd(0, fd, av[0], av[3]);

}