minishell/stdme/src/os/process_inner2.c
2024-04-29 15:12:51 +02:00

92 lines
2.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* process_inner2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/04 22:27:00 by maiboyer #+# #+# */
/* Updated: 2024/01/04 23:01:03 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/types.h"
#include "me/os/process.h"
#include "me/os/pipe.h"
void handle_redirections_second(t_spawn_info *info, t_process *process)
{
(void)(process);
if (info->stdin.tag == R_INHERITED)
{
info->stdin = fd(dup(0));
process->stdin = ro(dup(0));
}
if (info->stdout.tag == R_INHERITED)
{
info->stdout = fd(dup(1));
process->stdout = wo(dup(1));
}
if (info->stderr.tag == R_INHERITED)
{
info->stderr = fd(dup(2));
process->stderr = wo(dup(2));
}
}
void handle_redirections_fds(t_spawn_info *info, t_process *process)
{
if (info->stdin.tag == R_FD)
{
info->stdin = fd(dup(info->stdin.vals.fd.value));
process->stdin = wo(dup(info->stdin.vals.fd.value));
}
if (info->stdout.tag == R_FD)
{
info->stdout = fd(dup(info->stdout.vals.fd.value));
process->stdout = ro(dup(info->stdout.vals.fd.value));
}
if (info->stderr.tag == R_FD)
{
info->stderr = fd(dup(info->stderr.vals.fd.value));
process->stderr = ro(dup(info->stderr.vals.fd.value));
}
}
static inline void redirection_inner(t_spawn_info *info, t_process *process)
{
process->stderr.tag = INVALID;
process->stdout.tag = INVALID;
process->stdin.tag = INVALID;
handle_redirections_fds(info, process);
handle_redirections_second(info, process);
}
t_error handle_redirections(t_spawn_info *info, t_process *process)
{
t_pipe pipe_fd;
redirection_inner(info, process);
if (info->stdin.tag == R_PIPED)
{
if (create_pipe(&pipe_fd))
return (ERROR);
process->stdin = wo(pipe_fd.write);
info->stdin = fd(pipe_fd.read);
}
if (info->stdout.tag == R_PIPED)
{
if (create_pipe(&pipe_fd))
return (ERROR);
process->stdout = ro(pipe_fd.read);
info->stdout = fd(pipe_fd.write);
}
if (info->stderr.tag == R_PIPED)
{
if (create_pipe(&pipe_fd))
return (ERROR);
process->stderr = ro(pipe_fd.read);
info->stderr = fd(pipe_fd.write);
}
return (NO_ERROR);
}