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single pipe works :D

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This commit is contained in:
mdev9
2024-02-25 10:28:16 +01:00
parent a87b99f284
commit fc8431fb6c
2 changed files with 47 additions and 21 deletions
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62
srcs/exec.c
View File

@ -6,7 +6,7 @@
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/07 14:12:49 by tomoron #+# #+# */
/* Updated: 2024/02/25 07:36:04 by marde-vr ### ########.fr */
/* Updated: 2024/02/25 10:24:55 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -107,31 +107,51 @@ int get_args_count(t_cmd *cmds)
return (count);
}
int is_fd_open(int fd) // debug
{
if (fcntl(fd, F_GETFL) == -1)
{
ft_printf_fd(2, "fd %d is not open\n", fd);
return (0);
}
ft_printf_fd(2, "fd %d is open\n", fd);
return 1;
}
void redirect_input(t_msh *msh)
{
//is_fd_open(msh->fds[0]);
//is_fd_open(msh->fds[1]);
if (dup2(msh->fds[0], 0) < 0)
ft_exit(msh, 1);
}
void redirect_output(t_msh *msh)
{
//is_fd_open(msh->fds[0]);
//is_fd_open(msh->fds[1]);
if (dup2(msh->fds[1], 1) < 0)
ft_exit(msh, 1);
close(msh->fds[1]);
//close(msh->fds[0]);
}
void pipe_child(t_msh *msh, char **cmd_args)
{
if (msh->fds[0] != 0)
if (msh->in_type != ARG)
{
ft_printf_fd(2, "redirecting input\n");
redirect_input(msh);
close(msh->fds[0]);
//close(msh->fds[0]);
}
if (msh->fds[1] != 1)
if (msh->out_type != ARG)
{
ft_printf_fd(2, "redirecting output\n");
redirect_output(msh);
close(msh->fds[1]);
//close(msh->fds[0]);
//close(msh->fds[1]);
}
close(msh->fds[0]);
close(msh->fds[1]);
if (msh->cmds->token && (!ft_strcmp(msh->cmds->token, "cd")
|| !ft_strcmp(msh->cmds->token, "alias")
|| !ft_strcmp(msh->cmds->token, "unalias")
@ -149,18 +169,23 @@ void pipe_child(t_msh *msh, char **cmd_args)
void pipe_parent(t_msh *msh)
{
(void)msh;
//ft_printf_fd(2, "closed: %d\n", msh->fds[0]);
//close(msh->fds[0]);
//ft_printf_fd(2, "closed: %d\n", msh->fds[1]);
close(msh->fds[1]);
}
int exec(t_msh *msh, t_cmd *cmd, char **cmd_args, int i)
{
pid_t pid;
if (msh->cmds != cmd)
if (i != 1)
{
(void)cmd;
if (pipe(msh->fds) == -1)
{
perror("pipe");
ft_printf_fd(2, "exiting (pipe)\n");
ft_printf_fd(2, "exiting (pipe)\n"); // debug
ft_exit(msh, 1);
}
}
@ -168,7 +193,7 @@ int exec(t_msh *msh, t_cmd *cmd, char **cmd_args, int i)
if (pid == -1)
{
perror("fork");
ft_printf_fd(2, "exiting (fork)\n");
ft_printf_fd(2, "exiting (fork)\n"); //debug
ft_exit(msh, 1);
}
if (pid == 0)
@ -235,7 +260,7 @@ void remove_command_from_msh(t_msh *msh)
{
cmd_tmp = cmd_cur;
cmd_cur = cmd_cur->next;
msh->type_in = cmd_tmp->type;
msh->in_type = cmd_tmp->type;
free(cmd_tmp->token);
free(cmd_tmp);
msh->cmds = cmd_cur;
@ -247,17 +272,13 @@ void remove_command_from_msh(t_msh *msh)
free(cmd_tmp);
msh->cmds = cmd_cur;
}
msh->type_in = 0;
msh->in_type = 0;
}
/*
void get_fds(t_msh *msh)
void get_out_type(t_msh *msh)
{
msh->fds[1] = 1;
//(void) msh;
//get_out_type
//msh->type_out =
}*/
msh->out_type = 1;
}
void exec_command(t_msh *msh)
{
@ -274,6 +295,10 @@ void exec_command(t_msh *msh)
ft_exit(msh, 1);
while (i < cmd_count)
{
if (i == 0)
get_out_type(msh);
else
msh->out_type = 0;
if (!cmd_is_builtin(msh, msh->cmds->token))
get_cmd_path(msh);
exec(msh, msh->cmds, get_cmd_args(msh), i);
@ -286,4 +311,5 @@ void exec_command(t_msh *msh)
waitpid(msh->pids[i], 0, 0);
i--;
}
close(msh->fds[0]);
}

6
srcs/minishell.h
View File

@ -6,7 +6,7 @@
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/04 17:31:38 by tomoron #+# #+# */
/* Updated: 2024/02/22 17:54:06 by marde-vr ### ########.fr */
/* Updated: 2024/02/25 07:51:21 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -59,8 +59,8 @@ typedef struct s_msh
struct s_cmd *cmds;
int *fds;
int *pids;
enum e_token_type type_in;
enum e_token_type type_out;
enum e_token_type in_type;
enum e_token_type out_type;
} t_msh;
extern int g_return_code;