38 lines
1.6 KiB
C
38 lines
1.6 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: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/01/04 17:59:48 by maiboyer #+# #+# */
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/* Updated: 2024/07/30 14:48:48 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "exec/spawn_cmd/pipe.h"
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#include "me/fs/fs.h"
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#include "me/str/str.h"
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t_error exec_create_pipe(t_exec_pipe *out)
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{
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int fd[2];
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struct s_file_slot *read;
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struct s_file_slot *write;
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if (pipe(fd))
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return (ERROR);
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read = get_unused_fd_slot();
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if (read == NULL)
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return (close(fd[0]), close(fd[1]), ERROR);
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read->ty = SLOT_FD;
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write = get_unused_fd_slot();
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if (write == NULL)
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return (read->ty = SLOT_UNUSED, close(fd[0]), close(fd[1]), ERROR);
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write->ty = SLOT_FD;
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read->slot.fd = (t_fd){.fd = fd[0], .type = FD_PIPE, .name = str_clone("<pipe[R]>"), .perms = FD_READ};
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read->slot.fd = (t_fd){.fd = fd[1], .type = FD_PIPE, .name = str_clone("<pipe[W]>"), .perms = FD_WRITE};
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out->read = &read->slot.fd;
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out->write = &write->slot.fd;
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return (NO_ERROR);
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}
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