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