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This commit is contained in:
kinou-p 2022-04-01 19:13:43 +02:00
parent be031a442f
commit cd750a160f
1 changed files with 11 additions and 42 deletions
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53
srcs/pipe/pipe.c
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@ -7,14 +7,10 @@ void close_pipe(t_cmd *cmd)
i = 0;
close(0);
while (cmd->s_cmds[i])// && !cmd->s_cmds[i]->last)
while (cmd->s_cmds[i])
{
//close(cmd->s_cmds[i]->last_pipe[0]);
//close(cmd->s_cmds[i]->last_pipe[1]);
close(cmd->s_cmds[i]->fd[0]);
close(cmd->s_cmds[i]->fd[1]);
//close(cmd->s_cmds[i]->pipe[0]);
//close(cmd->s_cmds[i]->pipe[1]);
i++;
}
}
@ -33,7 +29,6 @@ int wait_exit(t_cmd *cmd)
{
i = 0;
exit_pid = wait(&status);
//dprintf(2, "exit_pid= %d\n", exit_pid);
while (exit_pid != -1 && cmd->s_cmds[i])
{
if (exit_pid == cmd->s_cmds[i]->child)
@ -44,7 +39,6 @@ int wait_exit(t_cmd *cmd)
i++;
}
}
//dprintf(2, "return wait_exit\n");
return (ret);
}
@ -52,8 +46,6 @@ int wait_exit(t_cmd *cmd)
void exec_cmd(t_cmd *cmd, char **env, int *fdpipe)
{
// int ret;
cmd->current_s_cmd->child = fork();
if (cmd->current_s_cmd->child == 0)
{
@ -71,36 +63,25 @@ void exec_cmd(t_cmd *cmd, char **env, int *fdpipe)
void execute(t_cmd *cmd, char **env)
{
//save in/out
int fdpipe[2];
//int ret;
int fdout;
int tmpin = dup(0);
int tmpout= dup(1);
int tmpin;
int tmpout;
int fdin;
int i;
i = 0;
//close(0);
//close(1);
//if (cmd->current_s_cmd->infile)//set the initial input
// fdin = open(cmd->current_s_cmd->infile, O_APPEND);
//fdin = open(cmd->current_s_cmd->infile, O_RDONLY);
//else if (cmd->infile)
// fdin = open(cmd->infile, O_RDONLY);
//else
tmpin = dup(0);
tmpout= dup(1);
fdin=dup(tmpin);
while(cmd->current_s_cmd)
{
if (i == cmd->nb_s_cmd - 1)
{
// Last simple command
cmd->current_s_cmd->last = 1;
if (cmd->current_s_cmd->outfile)
fdout = open(cmd->current_s_cmd->outfile, O_RDWR | O_CREAT | O_APPEND, 0666);
else if(cmd->outfile)
fdout=open(cmd->outfile, O_RDWR | O_CREAT | O_TRUNC, 0666);
else// Use default output
else
fdout=dup(tmpout);
cmd->current_s_cmd->fd[0] = fdin;
cmd->current_s_cmd->fd[1] = fdout;
@ -110,32 +91,20 @@ void execute(t_cmd *cmd, char **env)
{
cmd->current_s_cmd->last = 0;
pipe(fdpipe);
//cmd->current_s_cmd->pipe[0] = fdpipe[0];
//cmd->current_s_cmd->pipe[1] = fdpipe[1];
cmd->current_s_cmd->fd[0] = fdin;//entree current
cmd->current_s_cmd->fd[1] = fdpipe[1];//sortie current
cmd->current_s_cmd->pipe[0] = fdpipe[0];//entree prochaine cmd
cmd->current_s_cmd->pipe[1] = fdpipe[1];//sortie current
cmd->s_cmds[i + 1]->last_pipe[0] = fdpipe[0];
cmd->s_cmds[i + 1]->last_pipe[1] = fdpipe[1];
//fdout=fdpipe[1];
cmd->current_s_cmd->fd[0] = fdin;
cmd->current_s_cmd->fd[1] = fdpipe[1];
fdin=fdpipe[0];
exec_cmd(cmd, env, fdpipe);
close(cmd->current_s_cmd->fd[0]);
}
close(cmd->current_s_cmd->pipe[1]);
close(fdpipe[1]);
i++;
cmd->current_s_cmd = cmd->s_cmds[i];
} //while
//restore in/out defaults
}
close_pipe(cmd);
wait_exit(cmd);
//wait(0);
dup2(tmpin,0);
dup2(tmpout,1);
close(tmpin);
close(tmpout);
// Wait for last command
} // execute
}