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pipes working without valgrind errors :)

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This commit is contained in:
mdev9
2024-02-22 13:51:31 +01:00
parent 81cced468c
commit b051ca897d
2 changed files with 45 additions and 17 deletions
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59
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: 2024/02/21 23:25:10 by marde-vr ### ########.fr */
/* Updated: 2024/02/22 13:50:06 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -14,6 +14,8 @@
int exec_builtin(t_msh *msh)
{
if (!msh->cmds->token)
return (STDIN_FILENO);
if (!ft_strcmp(msh->cmds->token, "echo"))
g_return_code = echo(msh->cmds->next);
else if (!ft_strcmp(msh->cmds->token, "ret"))
@ -74,7 +76,7 @@ int get_args_count(t_cmd *cmds)
return (count);
}
/*
void redirect_input(t_msh *msh)
{
if (dup2(msh->fds[0], 0) < 0)
@ -87,15 +89,19 @@ void redirect_output(t_msh *msh)
ft_exit(msh, 1);
//close(msh->fds[1]);
}
*/
void pipe_child(t_msh *msh, char **cmd_args)
{
//redirect_input(msh);
//redirect_output(msh);
//close(msh->fds[0]);
//close(msh->fds[1]);
if (msh->cmds->type != ARG)
{
redirect_input(msh);
redirect_output(msh);
close(msh->fds[0]);
close(msh->fds[1]);
}
if (exec_builtin(msh))
return ;
if (msh->cmds->token)
execve(msh->cmds->token, cmd_args, env_to_char_tab(msh->env));
close(0);
@ -135,8 +141,12 @@ int exec(t_msh *msh, t_cmd *cmd, char **cmd_args)
{
pipe_parent(msh);
rl_redisplay();
if (waitpid(pid, 0, 0) < 0)
ft_exit(msh, 1);
//if (waitpid(pid, 0, 0) < 0)
// ft_exit(msh, 1);
int i = 0;
while (msh->pids[i])
i++;
msh->pids[i] = pid;
}
return (0);
}
@ -187,19 +197,21 @@ int remove_command_from_msh(t_msh *msh)
t_cmd *cmd_tmp;
cmd_cur = msh->cmds;
while (cmd_cur)
while (cmd_cur && cmd_cur->next)
{
if (cmd_cur->type != ARG)
{
cmd_tmp = cmd_cur;
cmd_cur = cmd_cur->next;
free_cmd(cmd_tmp);
free(cmd_tmp->token);
free(cmd_tmp);
msh->cmds = cmd_cur;
return (cmd_cur->type);
}
cmd_tmp = cmd_cur;
cmd_cur = cmd_cur->next;
free_cmd(cmd_tmp);
free(cmd_tmp->token);
free(cmd_tmp);
msh->cmds = cmd_cur;
}
return (ARG);
@ -212,17 +224,32 @@ void exec_command(t_msh *msh)
int i;
i = 0;
if (!msh->cmds || exec_builtin(msh))
if (!msh->cmds)
return ;
msh->fds = ft_calloc(2, sizeof(int *));
msh->fds[1] = 1;
type = ARG;
cmd_count = get_cmd_count(msh->cmds);
msh->pids = ft_calloc(cmd_count, sizeof(int *));
if (!msh->pids)
ft_exit(msh, 1);
if (cmd_count == 1)
msh->fds[1] = 1;
while (i < cmd_count)
{
//if (type = PIPE)
get_cmd_path(msh);
exec(msh, msh->cmds, get_cmd_args(msh));
type = remove_command_from_msh(msh);
//type = remove_command_from_msh(msh);
remove_command_from_msh(msh);
i++;
}
i = cmd_count;
while (i > 0)
{
if (waitpid(msh->pids[i], 0, 0) < 0)
ft_exit(msh, 1);
i--;
}
}

3
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: 2024/02/21 21:48:01 by marde-vr ### ########.fr */
/* Updated: 2024/02/22 13:41:57 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -58,6 +58,7 @@ typedef struct s_msh
struct s_env *env;
struct s_cmd *cmds;
int *fds;
int *pids;
} t_msh;
extern int g_return_code;