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working on file redirections

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This commit is contained in:
mdev9
2024-02-26 16:38:14 +01:00
parent 36e3495356
commit 951b043dc8
2 changed files with 49 additions and 14 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: 2024/02/26 14:52:54 by marde-vr ### ########.fr */
/* Updated: 2024/02/26 16:33:16 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -143,14 +143,31 @@ int is_fd_open(int fd) // debug
void redirect_input(t_msh *msh, int i)
{
if (dup2(msh->fds[i - 1][0], 0) < 0)
ft_exit(msh, 1);
if (msh->in_type != PIPE)
{
if (dup2(msh->in_fd, 0) < 0)
ft_exit(msh, 1);
close(msh->in_fd);
}
else
{
if (dup2(msh->fds[i - 1][0], 0) < 0)
ft_exit(msh, 1);
}
}
void redirect_output(t_msh *msh, int i)
{
if (dup2(msh->fds[i][1], 1) < 0)
ft_exit(msh, 1);
if (msh->out_type != PIPE)
{
if (dup2(msh->out_fd, 1) < 0)
ft_exit(msh, 1);
}
else
{
if (dup2(msh->fds[i][1], 1) < 0)
ft_exit(msh, 1);
}
}
void pipe_child(t_msh *msh, char **cmd_args, int i)
@ -165,8 +182,6 @@ void pipe_child(t_msh *msh, char **cmd_args, int i)
//ft_printf_fd(2, "redirecting output\n");
redirect_output(msh, i);
}
if (i != 0)
{
if (msh->fds[i - 1][0] > 2)
@ -178,8 +193,6 @@ void pipe_child(t_msh *msh, char **cmd_args, int i)
close(msh->fds[i][0]);
if (msh->fds[i][1] > 2)
close(msh->fds[i][1]);
if (msh->cmds->token && (!ft_strcmp(msh->cmds->token, "cd")
|| !ft_strcmp(msh->cmds->token, "alias")
|| !ft_strcmp(msh->cmds->token, "unalias")
@ -269,18 +282,34 @@ void remove_command_from_msh(t_msh *msh)
t_cmd *cmd_tmp;
cmd_cur = msh->cmds;
msh->out_type = ARG;
while (cmd_cur && cmd_cur->next)
{
if (cmd_cur->type != ARG)
//if (cmd_cur->type != ARG)
while (cmd_cur->type != ARG)
{
//remove cmd if not PIPE
if (cmd_cur->type == PIPE)
{
cmd_tmp = cmd_cur;
cmd_cur = cmd_cur->next;
msh->in_type = cmd_tmp->type;
free(cmd_tmp->token);
free(cmd_tmp);
msh->cmds = cmd_cur;
return ;
}
cmd_tmp = cmd_cur;
cmd_cur = cmd_cur->next;
msh->in_type = cmd_tmp->type;
msh->out_type = cmd_cur->type;
free(cmd_tmp->token);
free(cmd_tmp);
msh->cmds = cmd_cur;
return ;
}
if (msh->out_type == RED_O)
msh->out_fd = open(cmd_cur->token, O_CREAT | O_RDWR | O_TRUNC, 0644);
if (msh->out_type == RED_O_APP)
msh->out_fd = open(cmd_cur->token, O_CREAT | O_RDWR | O_APPEND, 0644);
cmd_tmp = cmd_cur;
cmd_cur = cmd_cur->next;
free(cmd_tmp->token);
@ -299,8 +328,11 @@ void get_out_type(t_msh *msh)
if (!cur_cmd->type)
msh->out_type = ARG;
else
{
//cur_cmd->token
msh->out_type = cur_cmd->type;
//ft_printf_fd(2, "%d\n", msh->out_type);
}
ft_printf_fd(2, "type: %d\n", msh->out_type);
}
void exec_command(t_msh *msh)
@ -318,6 +350,7 @@ void exec_command(t_msh *msh)
ft_exit(msh, 1);
while (i < cmd_count)
{
ft_printf_fd(2, "%s\n", msh->cmds->token);
msh->fds[i] = ft_calloc(2, sizeof(int *));
if (!msh->fds[i])
ft_exit(msh, 1);

4
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: 2024/02/25 13:10:20 by marde-vr ### ########.fr */
/* Updated: 2024/02/26 15:59:49 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -61,6 +61,8 @@ typedef struct s_msh
int *pids;
enum e_token_type in_type;
enum e_token_type out_type;
int in_fd;
int out_fd;
} t_msh;
extern int g_return_code;