mirror of
https://codeberg.org/la-chouette/minishell.git
synced 2025-12-05 23:18:08 +01:00
72 lines
2 KiB
C
72 lines
2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* connec_pipe_cmd_execute.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: khais <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/04/11 12:01:29 by khais #+# #+# */
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/* Updated: 2025/04/28 15:04:17 by khais ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "connec_pipe_cmd_execute.h"
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#include "../common/do_waitpid.h"
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#include <unistd.h>
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#include <stdio.h>
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#include "../cmd/cmd_execute.h"
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static void pipe_do_close(int pipefd[2])
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{
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close(pipefd[0]);
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close(pipefd[1]);
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}
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static void dup_and_close(int fd, int fd2, int pipefd[2])
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{
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dup2(fd, fd2);
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pipe_do_close(pipefd);
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}
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static int do_pipe(int pipefd[2], t_minishell *app)
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{
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if (pipe(pipefd) < 0)
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{
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perror("minishell: pipe");
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app->last_return_value = 2;
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return (-1);
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}
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return (0);
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}
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static void close_and_wait(t_minishell *app, int pid1, int pid2, int pipefd[2])
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{
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pipe_do_close(pipefd);
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do_waitpid(app, pid1);
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do_waitpid(app, pid2);
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}
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void connec_pipe_cmd_execute(t_connec_cmd *cmd, t_minishell *app)
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{
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int pid1;
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int pid2;
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int pipefd[2];
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if (do_pipe(pipefd, app) < 0)
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return ;
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pid1 = fork();
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if (pid1 == 0)
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{
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dup_and_close(pipefd[1], STDOUT_FILENO, pipefd);
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cmd_execute(cmd->first, app, true);
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return ;
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}
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pid2 = fork();
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if (pid2 == 0)
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{
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dup_and_close(pipefd[0], STDIN_FILENO, pipefd);
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cmd_execute(cmd->second, app, true);
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}
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else
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close_and_wait(app, pid1, pid2, pipefd);
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}
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